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de142bea | 1 | ;;;; numbers.test --- tests guile's numbers -*- scheme -*- |
8e43ed5d | 2 | ;;;; Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2009, 2010, 2011 Free Software Foundation, Inc. |
de142bea | 3 | ;;;; |
73be1d9e MV |
4 | ;;;; This library is free software; you can redistribute it and/or |
5 | ;;;; modify it under the terms of the GNU Lesser General Public | |
6 | ;;;; License as published by the Free Software Foundation; either | |
53befeb7 | 7 | ;;;; version 3 of the License, or (at your option) any later version. |
73be1d9e MV |
8 | ;;;; |
9 | ;;;; This library is distributed in the hope that it will be useful, | |
de142bea | 10 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
73be1d9e MV |
11 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | ;;;; Lesser General Public License for more details. | |
13 | ;;;; | |
14 | ;;;; You should have received a copy of the GNU Lesser General Public | |
15 | ;;;; License along with this library; if not, write to the Free Software | |
92205699 | 16 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
de142bea | 17 | |
a1fb3b1c KR |
18 | (define-module (test-suite test-numbers) |
19 | #:use-module (test-suite lib) | |
ff62c168 | 20 | #:use-module (ice-9 documentation) |
a8591a55 | 21 | #:use-module (srfi srfi-1) ; list library |
ff62c168 | 22 | #:use-module (srfi srfi-11)) ; let-values |
de142bea | 23 | |
de142bea DH |
24 | ;;; |
25 | ;;; miscellaneous | |
26 | ;;; | |
27 | ||
1b3a7932 DH |
28 | (define exception:numerical-overflow |
29 | (cons 'numerical-overflow "^Numerical overflow")) | |
30 | ||
cb18f2a8 | 31 | (define (documented? object) |
5c96bc39 | 32 | (not (not (object-documentation object)))) |
de142bea | 33 | |
8b7838b5 RB |
34 | (define fixnum-bit |
35 | (inexact->exact (+ (/ (log (+ most-positive-fixnum 1)) (log 2)) 1))) | |
36 | ||
21e39e8f DH |
37 | (define fixnum-min most-negative-fixnum) |
38 | (define fixnum-max most-positive-fixnum) | |
de142bea | 39 | |
a1fb3b1c KR |
40 | ;; Divine the number of bits in the mantissa of a flonum. |
41 | ;; We look for when 2.0^i+1.0 gets rounded, ie. the difference between that | |
42 | ;; value and 2.0^k is not 1.0. | |
43 | ;; Of course this assumes flonums have a fixed precision mantissa, but | |
44 | ;; that's the case now and probably into the forseeable future. | |
45 | ;; On an IEEE system, which means pretty much everywhere, the value here is | |
46 | ;; the usual 53. | |
47 | ;; | |
48 | (define dbl-mant-dig | |
24475b86 MW |
49 | (do ((prec 0 (+ prec 1)) |
50 | (eps 1.0 (/ eps 2.0))) | |
51 | ((begin (when (> prec 1000000) | |
52 | (error "Unable to determine dbl-mant-dig")) | |
53 | (= 1.0 (+ 1.0 eps))) | |
54 | prec))) | |
55 | ||
56 | (define dbl-epsilon | |
57 | (expt 0.5 (- dbl-mant-dig 1))) | |
58 | ||
98237784 MW |
59 | (define dbl-epsilon-exact |
60 | (expt 1/2 (- dbl-mant-dig 1))) | |
61 | ||
24475b86 MW |
62 | (define dbl-min-exp |
63 | (do ((x 1.0 (/ x 2.0)) | |
64 | (y (+ 1.0 dbl-epsilon) (/ y 2.0)) | |
65 | (e 2 (- e 1))) | |
66 | ((begin (when (< e -100000000) | |
67 | (error "Unable to determine dbl-min-exp")) | |
68 | (= x y)) | |
69 | e))) | |
a1fb3b1c | 70 | |
98237784 MW |
71 | (define dbl-max-exp |
72 | (do ((x 1.0 (* x 2.0)) | |
73 | (e 0 (+ e 1))) | |
74 | ((begin (when (> e 100000000) | |
75 | (error "Unable to determine dbl-max-exp")) | |
76 | (inf? x)) | |
77 | e))) | |
78 | ||
a1fb3b1c KR |
79 | ;; like ash, but working on a flonum |
80 | (define (ash-flo x n) | |
81 | (while (> n 0) | |
82 | (set! x (* 2.0 x)) | |
83 | (set! n (1- n))) | |
84 | (while (< n 0) | |
85 | (set! x (* 0.5 x)) | |
86 | (set! n (1+ n))) | |
87 | x) | |
49579cbd KR |
88 | |
89 | ;; `quotient' but rounded towards -infinity, like `modulo' or `ash' do | |
90 | ;; note only positive D supported (that's all that's currently required) | |
91 | (define-public (quotient-floor n d) | |
92 | (if (negative? n) | |
93 | (quotient (- n d -1) d) ;; neg/pos | |
94 | (quotient n d))) ;; pos/pos | |
95 | ||
8ab3d8a0 KR |
96 | ;; return true of X is in the range LO to HI, inclusive |
97 | (define (within-range? lo hi x) | |
98 | (and (>= x (min lo hi)) | |
99 | (<= x (max lo hi)))) | |
100 | ||
101 | ;; return true if GOT is within +/- 0.01 of GOT | |
102 | ;; for a complex number both real and imaginary parts must be in that range | |
103 | (define (eqv-loosely? want got) | |
104 | (and (within-range? (- (real-part want) 0.01) | |
105 | (+ (real-part want) 0.01) | |
106 | (real-part got)) | |
107 | (within-range? (- (imag-part want) 0.01) | |
108 | (+ (imag-part want) 0.01) | |
109 | (imag-part got)))) | |
110 | ||
111 | ;; return true if OBJ is negative infinity | |
112 | (define (negative-infinity? obj) | |
113 | (and (real? obj) | |
114 | (negative? obj) | |
115 | (inf? obj))) | |
116 | ||
ff62c168 MW |
117 | ;; |
118 | ;; Tolerance used by test-eqv? for inexact numbers. | |
119 | ;; | |
120 | (define test-epsilon 1e-10) | |
121 | ||
122 | ;; | |
123 | ;; Like eqv?, except that inexact finite numbers need only be within | |
a8591a55 MW |
124 | ;; test-epsilon (1e-10) to be considered equal. For non-real complex |
125 | ;; numbers, each component is tested according to these rules. The | |
126 | ;; intent is that the known-correct value will be the first parameter. | |
ff62c168 MW |
127 | ;; |
128 | (define (test-eqv? x y) | |
129 | (cond ((real? x) | |
130 | (and (real? y) (test-real-eqv? x y))) | |
131 | ((complex? x) | |
132 | (and (not (real? y)) | |
133 | (test-real-eqv? (real-part x) (real-part y)) | |
134 | (test-real-eqv? (imag-part x) (imag-part y)))) | |
135 | (else (eqv? x y)))) | |
136 | ||
137 | ;; Auxiliary predicate used by test-eqv? | |
138 | (define (test-real-eqv? x y) | |
a8591a55 | 139 | (cond ((or (exact? x) (nan? x) (inf? x)) |
ff62c168 MW |
140 | (eqv? x y)) |
141 | (else (and (inexact? y) (> test-epsilon (abs (- x y))))))) | |
142 | ||
55a8b708 MW |
143 | ;; return true if OBJ is a real NaN |
144 | (define (real-nan? obj) | |
145 | (and (real? obj) | |
146 | (nan? obj))) | |
147 | ||
c7218482 MW |
148 | ;; return true if OBJ is a non-real complex number |
149 | ;; whose real part is a nan, and whose imaginary | |
150 | ;; part is an inexact zero. | |
151 | (define (almost-real-nan? obj) | |
152 | (and (not (real? obj)) | |
153 | (nan? (real-part obj)) | |
154 | (zero? (imag-part obj)))) | |
155 | ||
55a8b708 MW |
156 | ;; return true if both the real and imaginary |
157 | ;; parts of OBJ are NaNs | |
158 | (define (complex-nan? obj) | |
159 | (and (nan? (real-part obj)) | |
160 | (nan? (imag-part obj)))) | |
161 | ||
162 | ;; return true if the real part of OBJ is zero | |
163 | ;; and the imaginary part is a NaN. | |
164 | (define (imaginary-nan? obj) | |
165 | (and (zero? (real-part obj)) | |
166 | (nan? (imag-part obj)))) | |
167 | ||
c7218482 MW |
168 | ;; return true if OBJ is a non-real complex zero |
169 | (define (complex-zero? obj) | |
170 | (and (zero? obj) | |
171 | (complex? obj) | |
172 | (not (real? obj)))) | |
173 | ||
8ab3d8a0 KR |
174 | (define const-e 2.7182818284590452354) |
175 | (define const-e^2 7.3890560989306502274) | |
176 | (define const-1/e 0.3678794411714423215) | |
177 | ||
178 | ||
a580ebba KR |
179 | ;;; |
180 | ;;; 1+ | |
181 | ;;; | |
182 | ||
f13f1e9f | 183 | (with-test-prefix/c&e "1+" |
a580ebba KR |
184 | |
185 | (pass-if "documented?" | |
186 | (documented? 1+)) | |
187 | ||
f13f1e9f LC |
188 | (pass-if "0" (eqv? 1 (1+ 0))) |
189 | (pass-if "-1" (eqv? 0 (1+ -1))) | |
190 | (pass-if "100" (eqv? 101 (1+ 100))) | |
191 | (pass-if "-100" (eqv? -99 (1+ -100))) | |
e78d4bf9 LC |
192 | |
193 | ;; The maximum fixnum on a 32-bit architecture: 2^29 - 1. | |
f13f1e9f LC |
194 | (pass-if "1+ fixnum = bignum (32-bit)" |
195 | (eqv? 536870912 (1+ 536870911))) | |
e78d4bf9 LC |
196 | |
197 | ;; The maximum fixnum on a 64-bit architecture: 2^61 - 1. | |
f13f1e9f LC |
198 | (pass-if "1+ fixnum = bignum (64-bit)" |
199 | (eqv? 2305843009213693952 (1+ 2305843009213693951)))) | |
a580ebba KR |
200 | |
201 | ;;; | |
202 | ;;; 1- | |
203 | ;;; | |
204 | ||
f13f1e9f | 205 | (with-test-prefix/c&e "1-" |
a580ebba KR |
206 | |
207 | (pass-if "documented?" | |
208 | (documented? 1-)) | |
209 | ||
f13f1e9f LC |
210 | (pass-if "0" (eqv? -1 (1- 0))) |
211 | (pass-if "1" (eqv? 0 (1- 1))) | |
212 | (pass-if "100" (eqv? 99 (1- 100))) | |
213 | (pass-if "-100" (eqv? -101 (1- -100))) | |
e78d4bf9 LC |
214 | |
215 | ;; The minimum fixnum on a 32-bit architecture: -2^29. | |
f13f1e9f LC |
216 | (pass-if "1- fixnum = bignum (32-bit)" |
217 | (eqv? -536870913 (1- -536870912))) | |
e78d4bf9 LC |
218 | |
219 | ;; The minimum fixnum on a 64-bit architecture: -2^61. | |
f13f1e9f LC |
220 | (pass-if "1- fixnum = bignum (64-bit)" |
221 | (eqv? -2305843009213693953 (1- -2305843009213693952)))) | |
a580ebba | 222 | |
de142bea DH |
223 | ;;; |
224 | ;;; exact? | |
225 | ;;; | |
226 | ||
227 | (with-test-prefix "exact?" | |
228 | ||
de142bea | 229 | (pass-if "documented?" |
cb18f2a8 | 230 | (documented? exact?)) |
de142bea | 231 | |
21e39e8f | 232 | (with-test-prefix "integers" |
de142bea | 233 | |
21e39e8f DH |
234 | (pass-if "0" |
235 | (exact? 0)) | |
de142bea | 236 | |
21e39e8f DH |
237 | (pass-if "fixnum-max" |
238 | (exact? fixnum-max)) | |
de142bea | 239 | |
21e39e8f DH |
240 | (pass-if "fixnum-max + 1" |
241 | (exact? (+ fixnum-max 1))) | |
de142bea | 242 | |
21e39e8f DH |
243 | (pass-if "fixnum-min" |
244 | (exact? fixnum-min)) | |
de142bea | 245 | |
21e39e8f DH |
246 | (pass-if "fixnum-min - 1" |
247 | (exact? (- fixnum-min 1)))) | |
248 | ||
249 | (with-test-prefix "reals" | |
250 | ||
251 | ;; (FIXME: need better examples.) | |
252 | ||
253 | (pass-if "sqrt (fixnum-max^2 - 1)" | |
254 | (eq? #f (exact? (sqrt (- (expt fixnum-max 2) 1))))) | |
255 | ||
256 | (pass-if "sqrt ((fixnum-max+1)^2 - 1)" | |
41df63cf MW |
257 | (eq? #f (exact? (sqrt (- (expt (+ fixnum-max 1) 2) 1))))) |
258 | ||
259 | (pass-if (not (exact? +inf.0))) | |
260 | (pass-if (not (exact? -inf.0))) | |
261 | (pass-if (not (exact? +nan.0))))) | |
de142bea | 262 | |
8ab3d8a0 KR |
263 | ;;; |
264 | ;;; exp | |
265 | ;;; | |
266 | ||
267 | (with-test-prefix "exp" | |
2519490c | 268 | (pass-if (documented? exp)) |
8ab3d8a0 KR |
269 | |
270 | (pass-if-exception "no args" exception:wrong-num-args | |
271 | (exp)) | |
272 | (pass-if-exception "two args" exception:wrong-num-args | |
273 | (exp 123 456)) | |
274 | ||
275 | (pass-if (eqv? 0.0 (exp -inf.0))) | |
276 | (pass-if (eqv-loosely? 1.0 (exp 0))) | |
277 | (pass-if (eqv-loosely? 1.0 (exp 0.0))) | |
278 | (pass-if (eqv-loosely? const-e (exp 1.0))) | |
279 | (pass-if (eqv-loosely? const-e^2 (exp 2.0))) | |
280 | (pass-if (eqv-loosely? const-1/e (exp -1))) | |
281 | ||
282 | (pass-if "exp(pi*i) = -1" | |
283 | (eqv-loosely? -1.0 (exp 0+3.14159i))) | |
284 | (pass-if "exp(-pi*i) = -1" | |
285 | (eqv-loosely? -1.0 (exp 0-3.14159i))) | |
286 | (pass-if "exp(2*pi*i) = +1" | |
287 | (eqv-loosely? 1.0 (exp 0+6.28318i))) | |
288 | ||
289 | (pass-if "exp(2-pi*i) = -e^2" | |
639fd0a4 | 290 | (eqv-loosely? (- const-e^2) (exp 2.0-3.14159i)))) |
8ab3d8a0 | 291 | |
de142bea DH |
292 | ;;; |
293 | ;;; odd? | |
294 | ;;; | |
295 | ||
7c24e528 RB |
296 | (with-test-prefix "odd?" |
297 | (pass-if (documented? odd?)) | |
298 | (pass-if (odd? 1)) | |
299 | (pass-if (odd? -1)) | |
4d332f19 DH |
300 | (pass-if (not (odd? 0))) |
301 | (pass-if (not (odd? 2))) | |
302 | (pass-if (not (odd? -2))) | |
7c24e528 | 303 | (pass-if (odd? (+ (* 2 fixnum-max) 1))) |
4d332f19 | 304 | (pass-if (not (odd? (* 2 fixnum-max)))) |
7c24e528 | 305 | (pass-if (odd? (- (* 2 fixnum-min) 1))) |
4d332f19 | 306 | (pass-if (not (odd? (* 2 fixnum-min))))) |
de142bea DH |
307 | |
308 | ;;; | |
309 | ;;; even? | |
310 | ;;; | |
311 | ||
7c24e528 RB |
312 | (with-test-prefix "even?" |
313 | (pass-if (documented? even?)) | |
314 | (pass-if (even? 2)) | |
315 | (pass-if (even? -2)) | |
316 | (pass-if (even? 0)) | |
4d332f19 DH |
317 | (pass-if (not (even? 1))) |
318 | (pass-if (not (even? -1))) | |
319 | (pass-if (not (even? (+ (* 2 fixnum-max) 1)))) | |
7c24e528 | 320 | (pass-if (even? (* 2 fixnum-max))) |
4d332f19 | 321 | (pass-if (not (even? (- (* 2 fixnum-min) 1)))) |
7c24e528 | 322 | (pass-if (even? (* 2 fixnum-min)))) |
de142bea | 323 | |
7112615f MW |
324 | ;;; |
325 | ;;; finite? | |
326 | ;;; | |
327 | ||
328 | (with-test-prefix "finite?" | |
329 | (pass-if (documented? finite?)) | |
330 | (pass-if (not (finite? (inf)))) | |
331 | (pass-if (not (finite? +inf.0))) | |
332 | (pass-if (not (finite? -inf.0))) | |
10391e06 | 333 | (pass-if-exception |
c9cf90d4 | 334 | "complex numbers not in domain of finite?" |
10391e06 AW |
335 | exception:wrong-type-arg |
336 | (finite? +inf.0+1i)) | |
337 | (pass-if-exception | |
c9cf90d4 | 338 | "complex numbers not in domain of finite? (2)" |
10391e06 AW |
339 | exception:wrong-type-arg |
340 | (finite? +1+inf.0i)) | |
341 | (pass-if-exception | |
c9cf90d4 | 342 | "complex numbers not in domain of finite? (3)" |
10391e06 AW |
343 | exception:wrong-type-arg |
344 | (finite? +1+1i)) | |
345 | (pass-if (finite? 3+0i)) | |
7112615f MW |
346 | (pass-if (not (finite? (nan)))) |
347 | (pass-if (not (finite? +nan.0))) | |
7112615f MW |
348 | (pass-if (finite? 0)) |
349 | (pass-if (finite? 0.0)) | |
350 | (pass-if (finite? -0.0)) | |
351 | (pass-if (finite? 42.0)) | |
352 | (pass-if (finite? 1/2)) | |
7112615f MW |
353 | (pass-if (finite? (+ fixnum-max 1))) |
354 | (pass-if (finite? (- fixnum-min 1)))) | |
355 | ||
de142bea | 356 | ;;; |
7c24e528 RB |
357 | ;;; inf? and inf |
358 | ;;; | |
359 | ||
360 | (with-test-prefix "inf?" | |
361 | (pass-if (documented? inf?)) | |
362 | (pass-if (inf? (inf))) | |
363 | ;; FIXME: what are the expected behaviors? | |
364 | ;; (pass-if (inf? (/ 1.0 0.0)) | |
365 | ;; (pass-if (inf? (/ 1 0.0)) | |
10391e06 | 366 | (pass-if-exception |
c9cf90d4 | 367 | "complex numbers not in domain of inf?" |
10391e06 AW |
368 | exception:wrong-type-arg |
369 | (inf? +1+inf.0i)) | |
370 | (pass-if (inf? +inf.0+0i)) | |
4d332f19 DH |
371 | (pass-if (not (inf? 0))) |
372 | (pass-if (not (inf? 42.0))) | |
373 | (pass-if (not (inf? (+ fixnum-max 1)))) | |
374 | (pass-if (not (inf? (- fixnum-min 1))))) | |
7c24e528 RB |
375 | |
376 | ;;; | |
377 | ;;; nan? and nan | |
de142bea DH |
378 | ;;; |
379 | ||
7c24e528 RB |
380 | (with-test-prefix "nan?" |
381 | (pass-if (documented? nan?)) | |
382 | (pass-if (nan? (nan))) | |
383 | ;; FIXME: other ways we should be able to generate NaN? | |
4d332f19 DH |
384 | (pass-if (not (nan? 0))) |
385 | (pass-if (not (nan? 42.0))) | |
386 | (pass-if (not (nan? (+ fixnum-max 1)))) | |
387 | (pass-if (not (nan? (- fixnum-min 1))))) | |
de142bea | 388 | |
7c24e528 RB |
389 | ;;; |
390 | ;;; abs | |
391 | ;;; | |
392 | ||
393 | (with-test-prefix "abs" | |
394 | (pass-if (documented? abs)) | |
9b9ef10c MW |
395 | (pass-if (eqv? 0 (abs 0))) |
396 | (pass-if (eqv? 1 (abs 1))) | |
397 | (pass-if (eqv? 1 (abs -1))) | |
398 | ||
399 | (with-test-prefix "double-negation of fixnum-min" | |
400 | (pass-if (eqv? fixnum-min (- (abs fixnum-min))))) | |
401 | ||
402 | (pass-if (eqv? (+ fixnum-max 1) (abs (+ fixnum-max 1)))) | |
403 | (pass-if (eqv? (+ (- fixnum-min) 1) (abs (- fixnum-min 1)))) | |
404 | ||
405 | (pass-if (eqv? 0.0 (abs 0.0))) | |
406 | (pass-if (eqv? 0.0 (abs -0.0))) | |
407 | (pass-if (eqv? 1.0 (abs 1.0))) | |
408 | (pass-if (eqv? 1.0 (abs -1.0))) | |
409 | (pass-if (real-nan? (abs +nan.0))) | |
410 | (pass-if (eqv? +inf.0 (abs +inf.0))) | |
411 | (pass-if (eqv? +inf.0 (abs -inf.0)))) | |
76903a31 | 412 | |
de142bea DH |
413 | ;;; |
414 | ;;; quotient | |
415 | ;;; | |
416 | ||
417 | (with-test-prefix "quotient" | |
2519490c | 418 | (pass-if (documented? quotient)) |
de142bea | 419 | |
de142bea DH |
420 | (with-test-prefix "0 / n" |
421 | ||
422 | (pass-if "n = 1" | |
423 | (eqv? 0 (quotient 0 1))) | |
424 | ||
425 | (pass-if "n = -1" | |
426 | (eqv? 0 (quotient 0 -1))) | |
427 | ||
21e39e8f DH |
428 | (pass-if "n = 2" |
429 | (eqv? 0 (quotient 0 2))) | |
430 | ||
431 | (pass-if "n = fixnum-max" | |
432 | (eqv? 0 (quotient 0 fixnum-max))) | |
433 | ||
434 | (pass-if "n = fixnum-max + 1" | |
435 | (eqv? 0 (quotient 0 (+ fixnum-max 1)))) | |
436 | ||
437 | (pass-if "n = fixnum-min" | |
438 | (eqv? 0 (quotient 0 fixnum-min))) | |
439 | ||
440 | (pass-if "n = fixnum-min - 1" | |
441 | (eqv? 0 (quotient 0 (- fixnum-min 1))))) | |
de142bea | 442 | |
21e39e8f | 443 | (with-test-prefix "1 / n" |
de142bea DH |
444 | |
445 | (pass-if "n = 1" | |
446 | (eqv? 1 (quotient 1 1))) | |
447 | ||
448 | (pass-if "n = -1" | |
21e39e8f DH |
449 | (eqv? -1 (quotient 1 -1))) |
450 | ||
451 | (pass-if "n = 2" | |
452 | (eqv? 0 (quotient 1 2))) | |
de142bea | 453 | |
21e39e8f DH |
454 | (pass-if "n = fixnum-max" |
455 | (eqv? 0 (quotient 1 fixnum-max))) | |
de142bea | 456 | |
21e39e8f DH |
457 | (pass-if "n = fixnum-max + 1" |
458 | (eqv? 0 (quotient 1 (+ fixnum-max 1)))) | |
de142bea | 459 | |
21e39e8f DH |
460 | (pass-if "n = fixnum-min" |
461 | (eqv? 0 (quotient 1 fixnum-min))) | |
462 | ||
463 | (pass-if "n = fixnum-min - 1" | |
464 | (eqv? 0 (quotient 1 (- fixnum-min 1))))) | |
465 | ||
466 | (with-test-prefix "-1 / n" | |
de142bea DH |
467 | |
468 | (pass-if "n = 1" | |
21e39e8f | 469 | (eqv? -1 (quotient -1 1))) |
de142bea DH |
470 | |
471 | (pass-if "n = -1" | |
472 | (eqv? 1 (quotient -1 -1))) | |
473 | ||
21e39e8f DH |
474 | (pass-if "n = 2" |
475 | (eqv? 0 (quotient -1 2))) | |
476 | ||
477 | (pass-if "n = fixnum-max" | |
478 | (eqv? 0 (quotient -1 fixnum-max))) | |
479 | ||
480 | (pass-if "n = fixnum-max + 1" | |
481 | (eqv? 0 (quotient -1 (+ fixnum-max 1)))) | |
482 | ||
483 | (pass-if "n = fixnum-min" | |
484 | (eqv? 0 (quotient -1 fixnum-min))) | |
485 | ||
486 | (pass-if "n = fixnum-min - 1" | |
487 | (eqv? 0 (quotient -1 (- fixnum-min 1))))) | |
488 | ||
489 | (with-test-prefix "fixnum-max / n" | |
490 | ||
491 | (pass-if "n = 1" | |
492 | (eqv? fixnum-max (quotient fixnum-max 1))) | |
493 | ||
494 | (pass-if "n = -1" | |
495 | (eqv? (- fixnum-max) (quotient fixnum-max -1))) | |
496 | ||
497 | (pass-if "n = 2" | |
498 | (eqv? fixnum-max (+ (* (quotient fixnum-max 2) 2) 1))) | |
499 | ||
500 | (pass-if "n = fixnum-max" | |
501 | (eqv? 1 (quotient fixnum-max fixnum-max))) | |
502 | ||
503 | (pass-if "n = fixnum-max + 1" | |
504 | (eqv? 0 (quotient fixnum-max (+ fixnum-max 1)))) | |
505 | ||
506 | (pass-if "n = fixnum-min" | |
507 | (eqv? 0 (quotient fixnum-max fixnum-min))) | |
508 | ||
509 | (pass-if "n = fixnum-min - 1" | |
510 | (eqv? 0 (quotient fixnum-max (- fixnum-min 1))))) | |
511 | ||
512 | (with-test-prefix "(fixnum-max + 1) / n" | |
513 | ||
514 | (pass-if "n = 1" | |
515 | (eqv? (+ fixnum-max 1) (quotient (+ fixnum-max 1) 1))) | |
516 | ||
517 | (pass-if "n = -1" | |
518 | (eqv? (- (+ fixnum-max 1)) (quotient (+ fixnum-max 1) -1))) | |
519 | ||
520 | (pass-if "n = 2" | |
521 | (eqv? (+ fixnum-max 1) (* (quotient (+ fixnum-max 1) 2) 2))) | |
522 | ||
523 | (pass-if "n = fixnum-max" | |
524 | (eqv? 1 (quotient (+ fixnum-max 1) fixnum-max))) | |
525 | ||
526 | (pass-if "n = fixnum-max + 1" | |
527 | (eqv? 1 (quotient (+ fixnum-max 1) (+ fixnum-max 1)))) | |
528 | ||
529 | (pass-if "n = fixnum-min" | |
530 | (eqv? -1 (quotient (+ fixnum-max 1) fixnum-min))) | |
531 | ||
532 | (pass-if "n = fixnum-min - 1" | |
533 | (eqv? 0 (quotient (+ fixnum-max 1) (- fixnum-min 1))))) | |
534 | ||
535 | (with-test-prefix "fixnum-min / n" | |
536 | ||
537 | (pass-if "n = 1" | |
538 | (eqv? fixnum-min (quotient fixnum-min 1))) | |
539 | ||
540 | (pass-if "n = -1" | |
541 | (eqv? (- fixnum-min) (quotient fixnum-min -1))) | |
542 | ||
543 | (pass-if "n = 2" | |
544 | (eqv? fixnum-min (* (quotient fixnum-min 2) 2))) | |
545 | ||
546 | (pass-if "n = fixnum-max" | |
547 | (eqv? -1 (quotient fixnum-min fixnum-max))) | |
548 | ||
549 | (pass-if "n = fixnum-max + 1" | |
550 | (eqv? -1 (quotient fixnum-min (+ fixnum-max 1)))) | |
551 | ||
552 | (pass-if "n = fixnum-min" | |
553 | (eqv? 1 (quotient fixnum-min fixnum-min))) | |
554 | ||
555 | (pass-if "n = fixnum-min - 1" | |
ad22fe7c KR |
556 | (eqv? 0 (quotient fixnum-min (- fixnum-min 1)))) |
557 | ||
558 | (pass-if "n = - fixnum-min - 1" | |
559 | (eqv? -1 (quotient fixnum-min (1- (- fixnum-min))))) | |
560 | ||
561 | ;; special case, normally inum/big is zero | |
562 | (pass-if "n = - fixnum-min" | |
563 | (eqv? -1 (quotient fixnum-min (- fixnum-min)))) | |
564 | ||
565 | (pass-if "n = - fixnum-min + 1" | |
566 | (eqv? 0 (quotient fixnum-min (1+ (- fixnum-min)))))) | |
21e39e8f DH |
567 | |
568 | (with-test-prefix "(fixnum-min - 1) / n" | |
569 | ||
570 | (pass-if "n = 1" | |
571 | (eqv? (- fixnum-min 1) (quotient (- fixnum-min 1) 1))) | |
572 | ||
573 | (pass-if "n = -1" | |
574 | (eqv? (- (- fixnum-min 1)) (quotient (- fixnum-min 1) -1))) | |
575 | ||
576 | (pass-if "n = 2" | |
577 | (eqv? fixnum-min (* (quotient (- fixnum-min 1) 2) 2))) | |
578 | ||
579 | (pass-if "n = fixnum-max" | |
580 | (eqv? -1 (quotient (- fixnum-min 1) fixnum-max))) | |
581 | ||
582 | (pass-if "n = fixnum-max + 1" | |
583 | (eqv? -1 (quotient (- fixnum-min 1) (+ fixnum-max 1)))) | |
584 | ||
585 | (pass-if "n = fixnum-min" | |
586 | (eqv? 1 (quotient (- fixnum-min 1) fixnum-min))) | |
587 | ||
588 | (pass-if "n = fixnum-min - 1" | |
589 | (eqv? 1 (quotient (- fixnum-min 1) (- fixnum-min 1))))) | |
de142bea | 590 | |
495a39c4 MW |
591 | ;; Inexact integers |
592 | ||
593 | (pass-if (eqv? 5.0 (quotient 35.0 7.0))) | |
594 | (pass-if (eqv? 5.0 (quotient 35 7.0))) | |
595 | (pass-if (eqv? 5.0 (quotient 35.0 7 ))) | |
596 | ||
de142bea DH |
597 | ;; Positive dividend and divisor |
598 | ||
599 | (pass-if "35 / 7" | |
600 | (eqv? 5 (quotient 35 7))) | |
601 | ||
602 | ;; Negative dividend, positive divisor | |
603 | ||
604 | (pass-if "-35 / 7" | |
605 | (eqv? -5 (quotient -35 7))) | |
606 | ||
607 | ;; Positive dividend, negative divisor | |
608 | ||
609 | (pass-if "35 / -7" | |
610 | (eqv? -5 (quotient 35 -7))) | |
611 | ||
612 | ;; Negative dividend and divisor | |
613 | ||
614 | (pass-if "-35 / -7" | |
615 | (eqv? 5 (quotient -35 -7))) | |
616 | ||
617 | ;; Are numerical overflows detected correctly? | |
618 | ||
80074d77 DH |
619 | (with-test-prefix "division by zero" |
620 | ||
621 | (pass-if-exception "(quotient 1 0)" | |
622 | exception:numerical-overflow | |
623 | (quotient 1 0)) | |
624 | ||
625 | (pass-if-exception "(quotient bignum 0)" | |
626 | exception:numerical-overflow | |
627 | (quotient (+ fixnum-max 1) 0))) | |
628 | ||
de142bea DH |
629 | ;; Are wrong type arguments detected correctly? |
630 | ||
631 | ) | |
632 | ||
633 | ;;; | |
634 | ;;; remainder | |
635 | ;;; | |
636 | ||
637 | (with-test-prefix "remainder" | |
2519490c | 638 | (pass-if (documented? remainder)) |
de142bea | 639 | |
de142bea DH |
640 | (with-test-prefix "0 / n" |
641 | ||
642 | (pass-if "n = 1" | |
643 | (eqv? 0 (remainder 0 1))) | |
644 | ||
645 | (pass-if "n = -1" | |
646 | (eqv? 0 (remainder 0 -1))) | |
647 | ||
21e39e8f DH |
648 | (pass-if "n = fixnum-max" |
649 | (eqv? 0 (remainder 0 fixnum-max))) | |
650 | ||
651 | (pass-if "n = fixnum-max + 1" | |
652 | (eqv? 0 (remainder 0 (+ fixnum-max 1)))) | |
653 | ||
654 | (pass-if "n = fixnum-min" | |
655 | (eqv? 0 (remainder 0 fixnum-min))) | |
de142bea | 656 | |
21e39e8f DH |
657 | (pass-if "n = fixnum-min - 1" |
658 | (eqv? 0 (remainder 0 (- fixnum-min 1))))) | |
de142bea | 659 | |
21e39e8f | 660 | (with-test-prefix "1 / n" |
de142bea DH |
661 | |
662 | (pass-if "n = 1" | |
663 | (eqv? 0 (remainder 1 1))) | |
664 | ||
665 | (pass-if "n = -1" | |
21e39e8f DH |
666 | (eqv? 0 (remainder 1 -1))) |
667 | ||
668 | (pass-if "n = fixnum-max" | |
669 | (eqv? 1 (remainder 1 fixnum-max))) | |
de142bea | 670 | |
21e39e8f DH |
671 | (pass-if "n = fixnum-max + 1" |
672 | (eqv? 1 (remainder 1 (+ fixnum-max 1)))) | |
de142bea | 673 | |
21e39e8f DH |
674 | (pass-if "n = fixnum-min" |
675 | (eqv? 1 (remainder 1 fixnum-min))) | |
de142bea | 676 | |
21e39e8f DH |
677 | (pass-if "n = fixnum-min - 1" |
678 | (eqv? 1 (remainder 1 (- fixnum-min 1))))) | |
679 | ||
680 | (with-test-prefix "-1 / n" | |
de142bea DH |
681 | |
682 | (pass-if "n = 1" | |
21e39e8f | 683 | (eqv? 0 (remainder -1 1))) |
de142bea DH |
684 | |
685 | (pass-if "n = -1" | |
686 | (eqv? 0 (remainder -1 -1))) | |
687 | ||
21e39e8f DH |
688 | (pass-if "n = fixnum-max" |
689 | (eqv? -1 (remainder -1 fixnum-max))) | |
690 | ||
691 | (pass-if "n = fixnum-max + 1" | |
692 | (eqv? -1 (remainder -1 (+ fixnum-max 1)))) | |
693 | ||
694 | (pass-if "n = fixnum-min" | |
695 | (eqv? -1 (remainder -1 fixnum-min))) | |
696 | ||
697 | (pass-if "n = fixnum-min - 1" | |
698 | (eqv? -1 (remainder -1 (- fixnum-min 1))))) | |
699 | ||
700 | (with-test-prefix "fixnum-max / n" | |
701 | ||
702 | (pass-if "n = 1" | |
703 | (eqv? 0 (remainder fixnum-max 1))) | |
704 | ||
705 | (pass-if "n = -1" | |
706 | (eqv? 0 (remainder fixnum-max -1))) | |
707 | ||
708 | (pass-if "n = fixnum-max" | |
709 | (eqv? 0 (remainder fixnum-max fixnum-max))) | |
710 | ||
711 | (pass-if "n = fixnum-max + 1" | |
712 | (eqv? fixnum-max (remainder fixnum-max (+ fixnum-max 1)))) | |
713 | ||
714 | (pass-if "n = fixnum-min" | |
715 | (eqv? fixnum-max (remainder fixnum-max fixnum-min))) | |
716 | ||
717 | (pass-if "n = fixnum-min - 1" | |
718 | (eqv? fixnum-max (remainder fixnum-max (- fixnum-min 1))))) | |
719 | ||
720 | (with-test-prefix "(fixnum-max + 1) / n" | |
721 | ||
722 | (pass-if "n = 1" | |
723 | (eqv? 0 (remainder (+ fixnum-max 1) 1))) | |
724 | ||
725 | (pass-if "n = -1" | |
726 | (eqv? 0 (remainder (+ fixnum-max 1) -1))) | |
727 | ||
728 | (pass-if "n = fixnum-max" | |
729 | (eqv? 1 (remainder (+ fixnum-max 1) fixnum-max))) | |
730 | ||
731 | (pass-if "n = fixnum-max + 1" | |
732 | (eqv? 0 (remainder (+ fixnum-max 1) (+ fixnum-max 1)))) | |
733 | ||
734 | (pass-if "n = fixnum-min" | |
735 | (eqv? 0 (remainder (+ fixnum-max 1) fixnum-min))) | |
736 | ||
737 | (pass-if "n = fixnum-min - 1" | |
738 | (eqv? (+ fixnum-max 1) (remainder (+ fixnum-max 1) (- fixnum-min 1))))) | |
739 | ||
740 | (with-test-prefix "fixnum-min / n" | |
741 | ||
742 | (pass-if "n = 1" | |
743 | (eqv? 0 (remainder fixnum-min 1))) | |
744 | ||
745 | (pass-if "n = -1" | |
746 | (eqv? 0 (remainder fixnum-min -1))) | |
747 | ||
748 | (pass-if "n = fixnum-max" | |
749 | (eqv? -1 (remainder fixnum-min fixnum-max))) | |
750 | ||
751 | (pass-if "n = fixnum-max + 1" | |
752 | (eqv? 0 (remainder fixnum-min (+ fixnum-max 1)))) | |
753 | ||
754 | (pass-if "n = fixnum-min" | |
755 | (eqv? 0 (remainder fixnum-min fixnum-min))) | |
756 | ||
757 | (pass-if "n = fixnum-min - 1" | |
ad22fe7c KR |
758 | (eqv? fixnum-min (remainder fixnum-min (- fixnum-min 1)))) |
759 | ||
760 | (pass-if "n = - fixnum-min - 1" | |
761 | (eqv? -1 (remainder fixnum-min (1- (- fixnum-min))))) | |
762 | ||
763 | ;; special case, normally inum%big is the inum | |
764 | (pass-if "n = - fixnum-min" | |
765 | (eqv? 0 (remainder fixnum-min (- fixnum-min)))) | |
766 | ||
767 | (pass-if "n = - fixnum-min + 1" | |
768 | (eqv? fixnum-min (remainder fixnum-min (1+ (- fixnum-min)))))) | |
21e39e8f DH |
769 | |
770 | (with-test-prefix "(fixnum-min - 1) / n" | |
771 | ||
772 | (pass-if "n = 1" | |
773 | (eqv? 0 (remainder (- fixnum-min 1) 1))) | |
774 | ||
775 | (pass-if "n = -1" | |
776 | (eqv? 0 (remainder (- fixnum-min 1) -1))) | |
777 | ||
778 | (pass-if "n = fixnum-max" | |
779 | (eqv? -2 (remainder (- fixnum-min 1) fixnum-max))) | |
780 | ||
781 | (pass-if "n = fixnum-max + 1" | |
782 | (eqv? -1 (remainder (- fixnum-min 1) (+ fixnum-max 1)))) | |
783 | ||
784 | (pass-if "n = fixnum-min" | |
785 | (eqv? -1 (remainder (- fixnum-min 1) fixnum-min))) | |
786 | ||
787 | (pass-if "n = fixnum-min - 1" | |
788 | (eqv? 0 (remainder (- fixnum-min 1) (- fixnum-min 1))))) | |
de142bea | 789 | |
495a39c4 MW |
790 | ;; Inexact integers |
791 | ||
792 | (pass-if (eqv? 2.0 (remainder 37.0 7.0))) | |
793 | (pass-if (eqv? 2.0 (remainder 37 7.0))) | |
794 | (pass-if (eqv? 2.0 (remainder 37.0 7 ))) | |
795 | ||
de142bea DH |
796 | ;; Positive dividend and divisor |
797 | ||
798 | (pass-if "35 / 7" | |
799 | (eqv? 0 (remainder 35 7))) | |
800 | ||
801 | ;; Negative dividend, positive divisor | |
802 | ||
803 | (pass-if "-35 / 7" | |
804 | (eqv? 0 (remainder -35 7))) | |
805 | ||
806 | ;; Positive dividend, negative divisor | |
807 | ||
808 | (pass-if "35 / -7" | |
809 | (eqv? 0 (remainder 35 -7))) | |
810 | ||
811 | ;; Negative dividend and divisor | |
812 | ||
813 | (pass-if "-35 / -7" | |
814 | (eqv? 0 (remainder -35 -7))) | |
815 | ||
816 | ;; Are numerical overflows detected correctly? | |
817 | ||
80074d77 DH |
818 | (with-test-prefix "division by zero" |
819 | ||
820 | (pass-if-exception "(remainder 1 0)" | |
821 | exception:numerical-overflow | |
822 | (remainder 1 0)) | |
823 | ||
824 | (pass-if-exception "(remainder bignum 0)" | |
825 | exception:numerical-overflow | |
826 | (remainder (+ fixnum-max 1) 0))) | |
827 | ||
de142bea DH |
828 | ;; Are wrong type arguments detected correctly? |
829 | ||
830 | ) | |
831 | ||
832 | ;;; | |
833 | ;;; modulo | |
834 | ;;; | |
835 | ||
836 | (with-test-prefix "modulo" | |
2519490c | 837 | (pass-if (documented? modulo)) |
de142bea | 838 | |
de142bea DH |
839 | (with-test-prefix "0 % n" |
840 | ||
841 | (pass-if "n = 1" | |
842 | (eqv? 0 (modulo 0 1))) | |
843 | ||
844 | (pass-if "n = -1" | |
845 | (eqv? 0 (modulo 0 -1))) | |
846 | ||
21e39e8f DH |
847 | (pass-if "n = fixnum-max" |
848 | (eqv? 0 (modulo 0 fixnum-max))) | |
849 | ||
850 | (pass-if "n = fixnum-max + 1" | |
851 | (eqv? 0 (modulo 0 (+ fixnum-max 1)))) | |
de142bea | 852 | |
21e39e8f DH |
853 | (pass-if "n = fixnum-min" |
854 | (eqv? 0 (modulo 0 fixnum-min))) | |
de142bea | 855 | |
21e39e8f DH |
856 | (pass-if "n = fixnum-min - 1" |
857 | (eqv? 0 (modulo 0 (- fixnum-min 1))))) | |
858 | ||
859 | (with-test-prefix "1 % n" | |
de142bea DH |
860 | |
861 | (pass-if "n = 1" | |
862 | (eqv? 0 (modulo 1 1))) | |
863 | ||
864 | (pass-if "n = -1" | |
21e39e8f | 865 | (eqv? 0 (modulo 1 -1))) |
de142bea | 866 | |
21e39e8f DH |
867 | (pass-if "n = fixnum-max" |
868 | (eqv? 1 (modulo 1 fixnum-max))) | |
de142bea | 869 | |
21e39e8f DH |
870 | (pass-if "n = fixnum-max + 1" |
871 | (eqv? 1 (modulo 1 (+ fixnum-max 1)))) | |
de142bea | 872 | |
21e39e8f DH |
873 | (pass-if "n = fixnum-min" |
874 | (eqv? (+ fixnum-min 1) (modulo 1 fixnum-min))) | |
875 | ||
876 | (pass-if "n = fixnum-min - 1" | |
877 | (eqv? fixnum-min (modulo 1 (- fixnum-min 1))))) | |
878 | ||
879 | (with-test-prefix "-1 % n" | |
de142bea DH |
880 | |
881 | (pass-if "n = 1" | |
21e39e8f | 882 | (eqv? 0 (modulo -1 1))) |
de142bea DH |
883 | |
884 | (pass-if "n = -1" | |
885 | (eqv? 0 (modulo -1 -1))) | |
886 | ||
21e39e8f DH |
887 | (pass-if "n = fixnum-max" |
888 | (eqv? (- fixnum-max 1) (modulo -1 fixnum-max))) | |
889 | ||
890 | (pass-if "n = fixnum-max + 1" | |
891 | (eqv? fixnum-max (modulo -1 (+ fixnum-max 1)))) | |
892 | ||
893 | (pass-if "n = fixnum-min" | |
894 | (eqv? -1 (modulo -1 fixnum-min))) | |
895 | ||
896 | (pass-if "n = fixnum-min - 1" | |
897 | (eqv? -1 (modulo -1 (- fixnum-min 1))))) | |
898 | ||
899 | (with-test-prefix "fixnum-max % n" | |
900 | ||
901 | (pass-if "n = 1" | |
902 | (eqv? 0 (modulo fixnum-max 1))) | |
903 | ||
904 | (pass-if "n = -1" | |
905 | (eqv? 0 (modulo fixnum-max -1))) | |
906 | ||
907 | (pass-if "n = fixnum-max" | |
908 | (eqv? 0 (modulo fixnum-max fixnum-max))) | |
909 | ||
910 | (pass-if "n = fixnum-max + 1" | |
911 | (eqv? fixnum-max (modulo fixnum-max (+ fixnum-max 1)))) | |
912 | ||
913 | (pass-if "n = fixnum-min" | |
914 | (eqv? -1 (modulo fixnum-max fixnum-min))) | |
915 | ||
916 | (pass-if "n = fixnum-min - 1" | |
917 | (eqv? -2 (modulo fixnum-max (- fixnum-min 1))))) | |
918 | ||
919 | (with-test-prefix "(fixnum-max + 1) % n" | |
920 | ||
921 | (pass-if "n = 1" | |
922 | (eqv? 0 (modulo (+ fixnum-max 1) 1))) | |
923 | ||
924 | (pass-if "n = -1" | |
925 | (eqv? 0 (modulo (+ fixnum-max 1) -1))) | |
926 | ||
927 | (pass-if "n = fixnum-max" | |
928 | (eqv? 1 (modulo (+ fixnum-max 1) fixnum-max))) | |
929 | ||
930 | (pass-if "n = fixnum-max + 1" | |
931 | (eqv? 0 (modulo (+ fixnum-max 1) (+ fixnum-max 1)))) | |
932 | ||
933 | (pass-if "n = fixnum-min" | |
934 | (eqv? 0 (modulo (+ fixnum-max 1) fixnum-min))) | |
935 | ||
936 | (pass-if "n = fixnum-min - 1" | |
937 | (eqv? -1 (modulo (+ fixnum-max 1) (- fixnum-min 1))))) | |
938 | ||
939 | (with-test-prefix "fixnum-min % n" | |
940 | ||
941 | (pass-if "n = 1" | |
942 | (eqv? 0 (modulo fixnum-min 1))) | |
943 | ||
944 | (pass-if "n = -1" | |
945 | (eqv? 0 (modulo fixnum-min -1))) | |
946 | ||
947 | (pass-if "n = fixnum-max" | |
948 | (eqv? (- fixnum-max 1) (modulo fixnum-min fixnum-max))) | |
949 | ||
950 | (pass-if "n = fixnum-max + 1" | |
951 | (eqv? 0 (modulo fixnum-min (+ fixnum-max 1)))) | |
952 | ||
953 | (pass-if "n = fixnum-min" | |
954 | (eqv? 0 (modulo fixnum-min fixnum-min))) | |
955 | ||
956 | (pass-if "n = fixnum-min - 1" | |
957 | (eqv? fixnum-min (modulo fixnum-min (- fixnum-min 1))))) | |
958 | ||
959 | (with-test-prefix "(fixnum-min - 1) % n" | |
960 | ||
961 | (pass-if "n = 1" | |
962 | (eqv? 0 (modulo (- fixnum-min 1) 1))) | |
963 | ||
964 | (pass-if "n = -1" | |
965 | (eqv? 0 (modulo (- fixnum-min 1) -1))) | |
966 | ||
967 | (pass-if "n = fixnum-max" | |
968 | (eqv? (- fixnum-max 2) (modulo (- fixnum-min 1) fixnum-max))) | |
969 | ||
970 | (pass-if "n = fixnum-max + 1" | |
971 | (eqv? fixnum-max (modulo (- fixnum-min 1) (+ fixnum-max 1)))) | |
972 | ||
973 | (pass-if "n = fixnum-min" | |
974 | (eqv? -1 (modulo (- fixnum-min 1) fixnum-min))) | |
975 | ||
976 | (pass-if "n = fixnum-min - 1" | |
977 | (eqv? 0 (modulo (- fixnum-min 1) (- fixnum-min 1))))) | |
de142bea | 978 | |
495a39c4 MW |
979 | ;; Inexact integers |
980 | ||
981 | (pass-if (eqv? 1.0 (modulo 13.0 4.0))) | |
982 | (pass-if (eqv? 1.0 (modulo 13 4.0))) | |
983 | (pass-if (eqv? 1.0 (modulo 13.0 4 ))) | |
984 | ||
de142bea DH |
985 | ;; Positive dividend and divisor |
986 | ||
987 | (pass-if "13 % 4" | |
988 | (eqv? 1 (modulo 13 4))) | |
989 | ||
990 | (pass-if "2177452800 % 86400" | |
991 | (eqv? 0 (modulo 2177452800 86400))) | |
992 | ||
993 | ;; Negative dividend, positive divisor | |
994 | ||
995 | (pass-if "-13 % 4" | |
996 | (eqv? 3 (modulo -13 4))) | |
997 | ||
998 | (pass-if "-2177452800 % 86400" | |
999 | (eqv? 0 (modulo -2177452800 86400))) | |
1000 | ||
1001 | ;; Positive dividend, negative divisor | |
1002 | ||
1003 | (pass-if "13 % -4" | |
1004 | (eqv? -3 (modulo 13 -4))) | |
1005 | ||
1006 | (pass-if "2177452800 % -86400" | |
1007 | (eqv? 0 (modulo 2177452800 -86400))) | |
1008 | ||
1009 | ;; Negative dividend and divisor | |
1010 | ||
1011 | (pass-if "-13 % -4" | |
1012 | (eqv? -1 (modulo -13 -4))) | |
1013 | ||
1014 | (pass-if "-2177452800 % -86400" | |
1015 | (eqv? 0 (modulo -2177452800 -86400))) | |
1016 | ||
1017 | ;; Are numerical overflows detected correctly? | |
1018 | ||
80074d77 DH |
1019 | (with-test-prefix "division by zero" |
1020 | ||
1021 | (pass-if-exception "(modulo 1 0)" | |
1022 | exception:numerical-overflow | |
1023 | (modulo 1 0)) | |
1024 | ||
1025 | (pass-if-exception "(modulo bignum 0)" | |
1026 | exception:numerical-overflow | |
1027 | (modulo (+ fixnum-max 1) 0))) | |
1028 | ||
de142bea DH |
1029 | ;; Are wrong type arguments detected correctly? |
1030 | ||
1031 | ) | |
1032 | ||
24360e11 KR |
1033 | ;;; |
1034 | ;;; modulo-expt | |
1035 | ;;; | |
1036 | ||
1037 | (with-test-prefix "modulo-expt" | |
1038 | (pass-if (= 1 (modulo-expt 17 23 47))) | |
1039 | ||
1040 | (pass-if (= 1 (modulo-expt 17 -23 47))) | |
1041 | ||
1042 | (pass-if (= 17 (modulo-expt 17 -22 47))) | |
1043 | ||
1044 | (pass-if (= 36 (modulo-expt 17 22 47))) | |
1045 | ||
1046 | (pass-if (= 183658794479969134816674175082294846241553725240 (modulo-expt 111122223333444455556666 111122223333444455556666 1153478690012629968439432872520758982731022934717))) | |
1047 | ||
1048 | (pass-if-exception | |
1049 | "Proper exception with 0 modulus" | |
18ee5de9 | 1050 | exception:numerical-overflow |
24360e11 KR |
1051 | (modulo-expt 17 23 0)) |
1052 | ||
1053 | (pass-if-exception | |
1054 | "Proper exception when result not invertible" | |
18ee5de9 | 1055 | exception:numerical-overflow |
24360e11 KR |
1056 | (modulo-expt 10 -1 48)) |
1057 | ||
1058 | (pass-if-exception | |
1059 | "Proper exception with wrong type argument" | |
18ee5de9 | 1060 | exception:wrong-type-arg |
24360e11 KR |
1061 | (modulo-expt "Sam" 23 10)) |
1062 | ||
1063 | (pass-if-exception | |
1064 | "Proper exception with wrong type argument" | |
18ee5de9 | 1065 | exception:wrong-type-arg |
24360e11 KR |
1066 | (modulo-expt 17 9.9 10)) |
1067 | ||
1068 | (pass-if-exception | |
1069 | "Proper exception with wrong type argument" | |
18ee5de9 | 1070 | exception:wrong-type-arg |
24360e11 KR |
1071 | (modulo-expt 17 23 'Ethel))) |
1072 | ||
ba46895c KR |
1073 | ;;; |
1074 | ;;; numerator | |
1075 | ;;; | |
1076 | ||
1077 | (with-test-prefix "numerator" | |
1078 | (pass-if "0" | |
1079 | (eqv? 0 (numerator 0))) | |
1080 | (pass-if "1" | |
1081 | (eqv? 1 (numerator 1))) | |
1082 | (pass-if "2" | |
1083 | (eqv? 2 (numerator 2))) | |
1084 | (pass-if "-1" | |
1085 | (eqv? -1 (numerator -1))) | |
1086 | (pass-if "-2" | |
1087 | (eqv? -2 (numerator -2))) | |
1088 | ||
1089 | (pass-if "0.0" | |
1090 | (eqv? 0.0 (numerator 0.0))) | |
1091 | (pass-if "1.0" | |
1092 | (eqv? 1.0 (numerator 1.0))) | |
1093 | (pass-if "2.0" | |
1094 | (eqv? 2.0 (numerator 2.0))) | |
1095 | (pass-if "-1.0" | |
1096 | (eqv? -1.0 (numerator -1.0))) | |
1097 | (pass-if "-2.0" | |
1098 | (eqv? -2.0 (numerator -2.0))) | |
1099 | ||
1100 | (pass-if "0.5" | |
1101 | (eqv? 1.0 (numerator 0.5))) | |
1102 | (pass-if "0.25" | |
1103 | (eqv? 1.0 (numerator 0.25))) | |
1104 | (pass-if "0.75" | |
1105 | (eqv? 3.0 (numerator 0.75)))) | |
1106 | ||
1107 | ;;; | |
1108 | ;;; denominator | |
1109 | ;;; | |
1110 | ||
1111 | (with-test-prefix "denominator" | |
1112 | (pass-if "0" | |
1113 | (eqv? 1 (denominator 0))) | |
1114 | (pass-if "1" | |
1115 | (eqv? 1 (denominator 1))) | |
1116 | (pass-if "2" | |
1117 | (eqv? 1 (denominator 2))) | |
1118 | (pass-if "-1" | |
1119 | (eqv? 1 (denominator -1))) | |
1120 | (pass-if "-2" | |
1121 | (eqv? 1 (denominator -2))) | |
1122 | ||
1123 | (pass-if "0.0" | |
1124 | (eqv? 1.0 (denominator 0.0))) | |
1125 | (pass-if "1.0" | |
1126 | (eqv? 1.0 (denominator 1.0))) | |
1127 | (pass-if "2.0" | |
1128 | (eqv? 1.0 (denominator 2.0))) | |
1129 | (pass-if "-1.0" | |
1130 | (eqv? 1.0 (denominator -1.0))) | |
1131 | (pass-if "-2.0" | |
1132 | (eqv? 1.0 (denominator -2.0))) | |
1133 | ||
1134 | (pass-if "0.5" | |
1135 | (eqv? 2.0 (denominator 0.5))) | |
1136 | (pass-if "0.25" | |
1137 | (eqv? 4.0 (denominator 0.25))) | |
1138 | (pass-if "0.75" | |
1139 | (eqv? 4.0 (denominator 0.75)))) | |
1140 | ||
de142bea DH |
1141 | ;;; |
1142 | ;;; gcd | |
1143 | ;;; | |
1144 | ||
1145 | (with-test-prefix "gcd" | |
1146 | ||
d389e966 | 1147 | (pass-if "documented?" |
cb18f2a8 | 1148 | (documented? gcd)) |
de142bea | 1149 | |
1dd79792 NJ |
1150 | (with-test-prefix "(n)" |
1151 | ||
1152 | (pass-if "n = -2" | |
1153 | (eqv? 2 (gcd -2)))) | |
1154 | ||
de142bea DH |
1155 | (with-test-prefix "(0 n)" |
1156 | ||
21e39e8f DH |
1157 | (pass-if "n = 0" |
1158 | (eqv? 0 (gcd 0 0))) | |
1159 | ||
de142bea DH |
1160 | (pass-if "n = 1" |
1161 | (eqv? 1 (gcd 0 1))) | |
1162 | ||
1163 | (pass-if "n = -1" | |
1164 | (eqv? 1 (gcd 0 -1))) | |
1165 | ||
21e39e8f DH |
1166 | (pass-if "n = fixnum-max" |
1167 | (eqv? fixnum-max (gcd 0 fixnum-max))) | |
de142bea | 1168 | |
21e39e8f DH |
1169 | (pass-if "n = fixnum-max + 1" |
1170 | (eqv? (+ fixnum-max 1) (gcd 0 (+ fixnum-max 1)))) | |
de142bea | 1171 | |
21e39e8f DH |
1172 | (pass-if "n = fixnum-min" |
1173 | (eqv? (- fixnum-min) (gcd 0 fixnum-min))) | |
de142bea | 1174 | |
21e39e8f DH |
1175 | (pass-if "n = fixnum-min - 1" |
1176 | (eqv? (- (- fixnum-min 1)) (gcd 0 (- fixnum-min 1))))) | |
1177 | ||
db386f80 KR |
1178 | (with-test-prefix "(n 0)" |
1179 | ||
1180 | (pass-if "n = 2^128 * fixnum-max" | |
1181 | (eqv? (ash fixnum-max 128) (gcd (ash fixnum-max 128) 0)))) | |
1182 | ||
21e39e8f DH |
1183 | (with-test-prefix "(1 n)" |
1184 | ||
1185 | (pass-if "n = 0" | |
de142bea DH |
1186 | (eqv? 1 (gcd 1 0))) |
1187 | ||
21e39e8f DH |
1188 | (pass-if "n = 1" |
1189 | (eqv? 1 (gcd 1 1))) | |
1190 | ||
de142bea | 1191 | (pass-if "n = -1" |
21e39e8f DH |
1192 | (eqv? 1 (gcd 1 -1))) |
1193 | ||
1194 | (pass-if "n = fixnum-max" | |
1195 | (eqv? 1 (gcd 1 fixnum-max))) | |
1196 | ||
1197 | (pass-if "n = fixnum-max + 1" | |
1198 | (eqv? 1 (gcd 1 (+ fixnum-max 1)))) | |
1199 | ||
1200 | (pass-if "n = fixnum-min" | |
1201 | (eqv? 1 (gcd 1 fixnum-min))) | |
1202 | ||
1203 | (pass-if "n = fixnum-min - 1" | |
1204 | (eqv? 1 (gcd 1 (- fixnum-min 1))))) | |
1205 | ||
1206 | (with-test-prefix "(-1 n)" | |
1207 | ||
1208 | (pass-if "n = 0" | |
de142bea DH |
1209 | (eqv? 1 (gcd -1 0))) |
1210 | ||
21e39e8f DH |
1211 | (pass-if "n = 1" |
1212 | (eqv? 1 (gcd -1 1))) | |
de142bea | 1213 | |
21e39e8f DH |
1214 | (pass-if "n = -1" |
1215 | (eqv? 1 (gcd -1 -1))) | |
de142bea | 1216 | |
21e39e8f DH |
1217 | (pass-if "n = fixnum-max" |
1218 | (eqv? 1 (gcd -1 fixnum-max))) | |
1219 | ||
1220 | (pass-if "n = fixnum-max + 1" | |
1221 | (eqv? 1 (gcd -1 (+ fixnum-max 1)))) | |
1222 | ||
1223 | (pass-if "n = fixnum-min" | |
1224 | (eqv? 1 (gcd -1 fixnum-min))) | |
1225 | ||
1226 | (pass-if "n = fixnum-min - 1" | |
1227 | (eqv? 1 (gcd -1 (- fixnum-min 1))))) | |
1228 | ||
1229 | (with-test-prefix "(fixnum-max n)" | |
1230 | ||
1231 | (pass-if "n = 0" | |
1232 | (eqv? fixnum-max (gcd fixnum-max 0))) | |
de142bea DH |
1233 | |
1234 | (pass-if "n = 1" | |
21e39e8f | 1235 | (eqv? 1 (gcd fixnum-max 1))) |
de142bea DH |
1236 | |
1237 | (pass-if "n = -1" | |
21e39e8f DH |
1238 | (eqv? 1 (gcd fixnum-max -1))) |
1239 | ||
1240 | (pass-if "n = fixnum-max" | |
1241 | (eqv? fixnum-max (gcd fixnum-max fixnum-max))) | |
de142bea | 1242 | |
21e39e8f DH |
1243 | (pass-if "n = fixnum-max + 1" |
1244 | (eqv? 1 (gcd fixnum-max (+ fixnum-max 1)))) | |
de142bea | 1245 | |
21e39e8f DH |
1246 | (pass-if "n = fixnum-min" |
1247 | (eqv? 1 (gcd fixnum-max fixnum-min))) | |
de142bea | 1248 | |
21e39e8f DH |
1249 | (pass-if "n = fixnum-min - 1" |
1250 | (eqv? 1 (gcd fixnum-max (- fixnum-min 1))))) | |
1251 | ||
1252 | (with-test-prefix "((+ fixnum-max 1) n)" | |
1253 | ||
1254 | (pass-if "n = 0" | |
1255 | (eqv? (+ fixnum-max 1) (gcd (+ fixnum-max 1) 0))) | |
1256 | ||
1257 | (pass-if "n = 1" | |
1258 | (eqv? 1 (gcd (+ fixnum-max 1) 1))) | |
de142bea DH |
1259 | |
1260 | (pass-if "n = -1" | |
21e39e8f | 1261 | (eqv? 1 (gcd (+ fixnum-max 1) -1))) |
de142bea | 1262 | |
21e39e8f DH |
1263 | (pass-if "n = fixnum-max" |
1264 | (eqv? 1 (gcd (+ fixnum-max 1) fixnum-max))) | |
de142bea | 1265 | |
21e39e8f DH |
1266 | (pass-if "n = fixnum-max + 1" |
1267 | (eqv? (+ fixnum-max 1) (gcd (+ fixnum-max 1) (+ fixnum-max 1)))) | |
de142bea | 1268 | |
21e39e8f DH |
1269 | (pass-if "n = fixnum-min" |
1270 | (eqv? (+ fixnum-max 1) (gcd (+ fixnum-max 1) fixnum-min))) | |
1271 | ||
1272 | (pass-if "n = fixnum-min - 1" | |
1273 | (eqv? 1 (gcd (+ fixnum-max 1) (- fixnum-min 1))))) | |
1274 | ||
1275 | (with-test-prefix "(fixnum-min n)" | |
1276 | ||
1277 | (pass-if "n = 0" | |
1278 | (eqv? (- fixnum-min) (gcd fixnum-min 0))) | |
1279 | ||
1280 | (pass-if "n = 1" | |
1281 | (eqv? 1 (gcd fixnum-min 1))) | |
de142bea DH |
1282 | |
1283 | (pass-if "n = -1" | |
21e39e8f DH |
1284 | (eqv? 1 (gcd fixnum-min -1))) |
1285 | ||
1286 | (pass-if "n = fixnum-max" | |
1287 | (eqv? 1 (gcd fixnum-min fixnum-max))) | |
1288 | ||
1289 | (pass-if "n = fixnum-max + 1" | |
1290 | (eqv? (+ fixnum-max 1) (gcd fixnum-min (+ fixnum-max 1)))) | |
de142bea | 1291 | |
21e39e8f DH |
1292 | (pass-if "n = fixnum-min" |
1293 | (eqv? (- fixnum-min) (gcd fixnum-min fixnum-min))) | |
1294 | ||
1295 | (pass-if "n = fixnum-min - 1" | |
1296 | (eqv? 1 (gcd fixnum-min (- fixnum-min 1))))) | |
1297 | ||
1298 | (with-test-prefix "((- fixnum-min 1) n)" | |
1299 | ||
1300 | (pass-if "n = 0" | |
1301 | (eqv? (- (- fixnum-min 1)) (gcd (- fixnum-min 1) 0))) | |
1302 | ||
1303 | (pass-if "n = 1" | |
1304 | (eqv? 1 (gcd (- fixnum-min 1) 1))) | |
1305 | ||
1306 | (pass-if "n = -1" | |
1307 | (eqv? 1 (gcd (- fixnum-min 1) -1))) | |
1308 | ||
1309 | (pass-if "n = fixnum-max" | |
1310 | (eqv? 1 (gcd (- fixnum-min 1) fixnum-max))) | |
1311 | ||
1312 | (pass-if "n = fixnum-max + 1" | |
1313 | (eqv? 1 (gcd (- fixnum-min 1) (+ fixnum-max 1)))) | |
1314 | ||
1315 | (pass-if "n = fixnum-min" | |
1316 | (eqv? 1 (gcd (- fixnum-min 1) fixnum-min))) | |
1317 | ||
1318 | (pass-if "n = fixnum-min - 1" | |
1319 | (eqv? (- (- fixnum-min 1)) (gcd (- fixnum-min 1) (- fixnum-min 1))))) | |
de142bea DH |
1320 | |
1321 | ;; Are wrong type arguments detected correctly? | |
1322 | ||
1323 | ) | |
1324 | ||
f29b3454 DH |
1325 | ;;; |
1326 | ;;; lcm | |
1327 | ;;; | |
1328 | ||
7c24e528 RB |
1329 | (with-test-prefix "lcm" |
1330 | ;; FIXME: more tests? | |
1331 | ;; (some of these are already in r4rs.test) | |
d389e966 | 1332 | (pass-if (documented? lcm)) |
7c24e528 RB |
1333 | (pass-if (= (lcm) 1)) |
1334 | (pass-if (= (lcm 32 -36) 288)) | |
1335 | (let ((big-n 115792089237316195423570985008687907853269984665640564039457584007913129639936) ; 2 ^ 256 | |
1336 | (lcm-of-big-n-and-11 1273712981610478149659280835095566986385969831322046204434033424087044426039296)) | |
1337 | (pass-if (= lcm-of-big-n-and-11 (lcm big-n 11))) | |
1338 | (pass-if (= lcm-of-big-n-and-11 (lcm 11 big-n 11))))) | |
1339 | ||
605f6980 MW |
1340 | ;;; |
1341 | ;;; rationalize | |
1342 | ;;; | |
1343 | (with-test-prefix "rationalize" | |
1344 | (pass-if (documented? rationalize)) | |
1345 | (pass-if (eqv? 2 (rationalize 4 2 ))) | |
1346 | (pass-if (eqv? -2 (rationalize -4 2 ))) | |
1347 | (pass-if (eqv? 2.0 (rationalize 4 2.0))) | |
1348 | (pass-if (eqv? -2.0 (rationalize -4.0 2 ))) | |
1349 | ||
1350 | (pass-if (eqv? 0 (rationalize 4 8 ))) | |
1351 | (pass-if (eqv? 0 (rationalize -4 8 ))) | |
1352 | (pass-if (eqv? 0.0 (rationalize 4 8.0))) | |
1353 | (pass-if (eqv? 0.0 (rationalize -4.0 8 ))) | |
1354 | ||
1355 | (pass-if (eqv? 0.0 (rationalize 3 +inf.0))) | |
1356 | (pass-if (eqv? 0.0 (rationalize -3 +inf.0))) | |
1357 | ||
55a8b708 MW |
1358 | (pass-if (real-nan? (rationalize +inf.0 +inf.0))) |
1359 | (pass-if (real-nan? (rationalize +nan.0 +inf.0))) | |
1360 | (pass-if (real-nan? (rationalize +nan.0 4))) | |
605f6980 MW |
1361 | (pass-if (eqv? +inf.0 (rationalize +inf.0 3))) |
1362 | ||
1363 | (pass-if (eqv? 3/10 (rationalize 3/10 0))) | |
1364 | (pass-if (eqv? -3/10 (rationalize -3/10 0))) | |
1365 | ||
1366 | (pass-if (eqv? 1/3 (rationalize 3/10 1/10))) | |
1367 | (pass-if (eqv? -1/3 (rationalize -3/10 1/10))) | |
1368 | ||
1369 | (pass-if (eqv? 1/3 (rationalize 3/10 -1/10))) | |
1370 | (pass-if (eqv? -1/3 (rationalize -3/10 -1/10))) | |
1371 | ||
1372 | (pass-if (test-eqv? (/ 1.0 3) (rationalize 0.3 1/10))) | |
1373 | (pass-if (test-eqv? (/ -1.0 3) (rationalize -0.3 1/10))) | |
1374 | (pass-if (test-eqv? (/ 1.0 3) (rationalize 0.3 -1/10))) | |
1375 | (pass-if (test-eqv? (/ -1.0 3) (rationalize -0.3 -1/10)))) | |
1376 | ||
f29b3454 DH |
1377 | ;;; |
1378 | ;;; number->string | |
1379 | ;;; | |
1380 | ||
7c24e528 RB |
1381 | (with-test-prefix "number->string" |
1382 | (let ((num->str->num | |
1383 | (lambda (n radix) | |
1384 | (string->number (number->string n radix) radix)))) | |
1385 | ||
1ea37620 MW |
1386 | (define (test num) |
1387 | (pass-if-equal (list num 'pos) | |
1388 | num | |
1389 | (num->str->num num 10)) | |
1390 | (pass-if-equal (list num 'neg) | |
1391 | (- num) | |
1392 | (num->str->num (- num) 10))) | |
1393 | ||
7c24e528 RB |
1394 | (pass-if (documented? number->string)) |
1395 | (pass-if (string=? (number->string 0) "0")) | |
1396 | (pass-if (string=? (number->string 171) "171")) | |
1397 | (pass-if (= (+ fixnum-max 1) (num->str->num (+ fixnum-max 1) 10))) | |
1398 | (pass-if (= (- fixnum-min 1) (num->str->num (- fixnum-min 1) 10))) | |
d39a7b58 | 1399 | |
1ea37620 MW |
1400 | (test (inf)) |
1401 | (test 1.3) | |
1402 | (test (acos -1)) ; pi | |
1403 | (test (exp 1)) ; e | |
1404 | (test (/ 3.0)) | |
1405 | (test (/ 7.0)) | |
1406 | (test 2.2250738585072011e-308) | |
1407 | (test 2.2250738585072012e-308) | |
1408 | ||
1409 | ;; Largest finite inexact | |
1410 | (test (* (- (expt 2.0 dbl-mant-dig) 1) | |
1411 | (expt 2.0 (- dbl-max-exp dbl-mant-dig)))) | |
1412 | ||
1413 | (pass-if (string=? "0.0" (number->string 0.0))) | |
1414 | (pass-if (or (eqv? 0.0 -0.0) | |
1415 | (string=? "-0.0" (number->string -0.0)))) | |
eb73f94b | 1416 | |
3740c788 | 1417 | (pass-if (string=? (number->string 35.25 36) "z.9")) |
1ea37620 | 1418 | (pass-if (string=? (number->string 0.25 2) "0.01")) |
3740c788 | 1419 | (pass-if (string=? (number->string 255.0625 16) "ff.1")) |
d39a7b58 | 1420 | (pass-if (string=? (number->string (/ 1 3) 3) "1/10")) |
23f2b9a3 | 1421 | |
a6f3af16 | 1422 | (pass-if (string=? (number->string 10) "10")) |
3740c788 | 1423 | (pass-if (string=? (number->string 10 11) "a")) |
a6f3af16 AW |
1424 | (pass-if (string=? (number->string 36 36) "10")) |
1425 | (pass-if (= (num->str->num 36 36) 36)) | |
1426 | (pass-if (= (string->number "z" 36) 35)) | |
1427 | (pass-if (= (string->number "Z" 36) 35)) | |
1428 | (pass-if (not (string->number "Z" 35))) | |
3740c788 | 1429 | (pass-if (string=? (number->string 35 36) "z")) |
a6f3af16 AW |
1430 | (pass-if (= (num->str->num 35 36) 35)) |
1431 | ||
8150dfa1 MW |
1432 | (pass-if (string=? (number->string 12342342340000.0) "1.234234234e13")) |
1433 | (pass-if (string=? (number->string 1234234234000.0) "1234234234000.0")) | |
1434 | (pass-if (string=? (number->string 1240000.0) "1240000.0")) | |
1435 | ||
1ea37620 MW |
1436 | (with-test-prefix "powers of radix" |
1437 | (for-each | |
1438 | (lambda (radix) | |
1439 | (for-each (lambda (k) | |
1440 | (let ((val (exact->inexact (expt radix k))) | |
1441 | (str (if (<= -3 k 6) | |
1442 | (assoc-ref '((-3 . "0.001") | |
1443 | (-2 . "0.01") | |
1444 | (-1 . "0.1") | |
1445 | ( 0 . "1.0") | |
1446 | ( 1 . "10.0") | |
1447 | ( 2 . "100.0") | |
1448 | ( 3 . "1000.0") | |
1449 | ( 4 . "10000.0") | |
1450 | ( 5 . "100000.0") | |
1451 | ( 6 . "1000000.0")) | |
1452 | k) | |
1453 | (string-append "1.0e" | |
1454 | (number->string k radix))))) | |
1455 | (pass-if-equal (list radix k 'pos) | |
1456 | str | |
1457 | (number->string val radix)) | |
1458 | (pass-if-equal (list radix k 'neg) | |
1459 | (string-append "-" str) | |
1460 | (number->string (- val) radix)))) | |
1461 | (iota 41 -20))) | |
1462 | (iota 35 2))) | |
1463 | ||
1464 | (with-test-prefix "multiples of smallest inexact" | |
1465 | (for-each (lambda (k) | |
1466 | (let ((val (* k (expt 2.0 (- dbl-min-exp dbl-mant-dig))))) | |
1467 | (test val))) | |
1468 | (iota 40 1))) | |
1469 | ||
1470 | (with-test-prefix "one plus multiples of epsilon" | |
1471 | (for-each (lambda (k) | |
1472 | (let ((val (+ 1.0 (* k dbl-epsilon)))) | |
1473 | (test val))) | |
1474 | (iota 40 1))) | |
1475 | ||
1476 | (with-test-prefix "one minus multiples of 1/2 epsilon" | |
1477 | (for-each (lambda (k) | |
1478 | (let ((val (- 1.0 (* k 1/2 dbl-epsilon)))) | |
1479 | (test val))) | |
1480 | (iota 40 1))) | |
1481 | ||
6ebecdeb MW |
1482 | ;; Before Guile 2.0.1, even in the presence of a #e forced exactness |
1483 | ;; specifier, negative exponents were applied inexactly and then | |
1484 | ;; later coerced to exact, yielding an incorrect fraction. | |
1485 | (pass-if (eqv? (string->number "#e1e-10") 1/10000000000)) | |
1486 | ||
1ea37620 MW |
1487 | (pass-if (string=? (number->string 11.33333333333333333 12) |
1488 | "b.4")) | |
1489 | (pass-if (string=? (number->string 1.324e44 16) | |
1490 | "5.efe0a14fafdf8e24")))) | |
7c24e528 | 1491 | |
f29b3454 DH |
1492 | ;;; |
1493 | ;;; string->number | |
1494 | ;;; | |
1495 | ||
2f4a254a DH |
1496 | (with-test-prefix "string->number" |
1497 | ||
ff758237 | 1498 | (pass-if "documented?" |
2f4a254a DH |
1499 | (documented? string->number)) |
1500 | ||
1501 | (pass-if "non number strings" | |
1502 | (for-each (lambda (x) (if (string->number x) (throw 'fail))) | |
569c483b | 1503 | '("" "q" "1q" "6+7iq" "8+9q" "10+11" "13+" "18@19q" "20@q" "23@" |
2f4a254a | 1504 | "+25iq" "26i" "-q" "-iq" "i" "5#.0" "8/" "10#11" ".#" "." |
569c483b | 1505 | "#o.2" "3.4q" "15.16e17q" "18.19e+q" ".q" ".17#18" "10q" "#b2" |
2f4a254a DH |
1506 | "#b3" "#b4" "#b5" "#b6" "#b7" "#b8" "#b9" "#ba" "#bb" "#bc" |
1507 | "#bd" "#be" "#bf" "#q" "#b#b1" "#o#o1" "#d#d1" "#x#x1" "#e#e1" | |
929d11b2 MW |
1508 | "#i#i1" "12@12+0i" "3/0" "0/0" "4+3/0i" "4/0-3i" "2+0/0i" |
1509 | "nan.0" "inf.0" "#e+nan.0" "#e+inf.0" "#e-inf.0" | |
1510 | "3@inf.0" "4@nan.0")) | |
2f4a254a DH |
1511 | #t) |
1512 | ||
b7d9b1cf DH |
1513 | (pass-if "valid number strings" |
1514 | (for-each (lambda (couple) | |
1515 | (apply | |
1516 | (lambda (x y) | |
9dd9857f MV |
1517 | (let ((xx (string->number x))) |
1518 | (if (or (eq? xx #f) (not (eqv? xx y))) | |
ca2b31fe MV |
1519 | (begin |
1520 | (pk x y) | |
1521 | (throw 'fail))))) | |
b7d9b1cf DH |
1522 | couple)) |
1523 | `(;; Radix: | |
1524 | ("#b0" 0) ("#B0" 0) ("#b1" 1) ("#B1" 1) ("#o0" 0) ("#O0" 0) | |
1525 | ("#o1" 1) ("#O1" 1) ("#o2" 2) ("#O2" 2) ("#o3" 3) ("#O3" 3) | |
1526 | ("#o4" 4) ("#O4" 4) ("#o5" 5) ("#O5" 5) ("#o6" 6) ("#O6" 6) | |
1527 | ("#o7" 7) ("#O7" 7) ("#d0" 0) ("#D0" 0) ("#d1" 1) ("#D1" 1) | |
1528 | ("#d2" 2) ("#D2" 2) ("#d3" 3) ("#D3" 3) ("#d4" 4) ("#D4" 4) | |
1529 | ("#d5" 5) ("#D5" 5) ("#d6" 6) ("#D6" 6) ("#d7" 7) ("#D7" 7) | |
1530 | ("#d8" 8) ("#D8" 8) ("#d9" 9) ("#D9" 9) | |
1531 | ("#xa" 10) ("#Xa" 10) ("#xb" 11) ("#Xb" 11) | |
1532 | ("#xc" 12) ("#Xc" 12) ("#xd" 13) ("#Xd" 13) | |
1533 | ("#xe" 14) ("#Xe" 14) ("#xf" 15) ("#Xf" 15) | |
1534 | ("#b1010" 10) | |
1535 | ("#o12345670" 2739128) | |
1536 | ("#d1234567890" 1234567890) | |
1537 | ("#x1234567890abcdef" 1311768467294899695) | |
1538 | ;; Exactness: | |
ca2b31fe | 1539 | ("#e1" 1) ("#e1.2" 12/10) |
9dd9857f | 1540 | ("#i1.1" 1.1) ("#i1" 1.0) |
b7d9b1cf DH |
1541 | ;; Integers: |
1542 | ("1" ,(1+ 0)) ("23" ,(+ 9 9 5)) ("-1" ,(- 0 1)) | |
1543 | ("-45" ,(- 0 45)) ("2#" 20.0) ("2##" 200.0) ("12##" 1200.0) | |
1544 | ("#b#i100" 4.0) | |
9dd9857f MV |
1545 | ;; Fractions: |
1546 | ("1/1" 1) ("1/2" 1/2) ("-1/2" -1/2) ("1#/1" 10.0) | |
1547 | ("10/1#" 1.0) ("1#/1#" 1.0) ("#e9/10" 9/10) ("#e10/1#" 1) | |
b7d9b1cf | 1548 | ("#i6/8" 0.75) ("#i1/1" 1.0) |
929d11b2 MW |
1549 | ;; Infinities and NaNs: |
1550 | ("+inf.0" ,(inf)) ("-inf.0" ,(- (inf))) | |
1551 | ("+Inf.0" ,(inf)) ("-Inf.0" ,(- (inf))) | |
1552 | ("+InF.0" ,(inf)) ("-InF.0" ,(- (inf))) | |
1553 | ("+INF.0" ,(inf)) ("-INF.0" ,(- (inf))) | |
1554 | ("#i+InF.0" ,(inf)) ("#i-InF.0" ,(- (inf))) | |
1555 | ("+nan.0" ,(nan)) ("-nan.0" ,(nan)) | |
1556 | ("#i+nan.0" ,(nan)) ("#i-nan.0" ,(nan)) | |
b7d9b1cf DH |
1557 | ;; Decimal numbers: |
1558 | ;; * <uinteger 10> <suffix> | |
1559 | ("1e2" 100.0) ("1E2" 100.0) ("1s2" 100.0) ("1S2" 100.0) | |
1560 | ("1f2" 100.0) ("1F2" 100.0) ("1d2" 100.0) ("1D2" 100.0) | |
1561 | ("1l2" 100.0) ("1L2" 100.0) ("1e+2" 100.0) ("1e-2" 0.01) | |
1562 | ;; * . <digit 10>+ #* <suffix> | |
1563 | (".1" .1) (".0123456789" 123456789e-10) (".16#" 0.16) | |
1564 | (".0123456789e10" 123456789.0) (".16#e3" 160.0) ("#d.3" 0.3) | |
1565 | ;; * <digit 10>+ . <digit 10>* #* <suffix> | |
1566 | ("3." ,(exact->inexact 3)) ("3.e0" ,(exact->inexact 3)) | |
1567 | ("3.1" ,(exact->inexact 31/10)) ("3.1e0" 3.1) ("3.1#" 3.1) | |
1568 | ("3.1#e0" 3.1) | |
1569 | ;; * <digit 10>+ #+ . #* <suffix> | |
1570 | ("3#." 30.0) ("3#.e0" 30.0) ("3#.#" 30.0) ("3#.#e0" 30.0) | |
9d427b2c MW |
1571 | )) |
1572 | #t) | |
1573 | ||
1574 | (pass-if "valid complex number strings" | |
1575 | (for-each (lambda (triple) | |
1576 | (apply | |
1577 | (lambda (str re im) | |
1578 | (let ((z (string->number str))) | |
1579 | (if (or (eq? z #f) | |
1580 | (not (and (eqv? (real-part z) re) | |
1581 | (eqv? (imag-part z) im)))) | |
1582 | (begin | |
1583 | (pk str re im) | |
1584 | (throw 'fail))))) | |
1585 | triple)) | |
1586 | `(("1@0" 1 0) ("1@+0" 1 0) ("1@-0" 1 0) ("1/2@0" 1/2 0) | |
1587 | ("1.0@0" 1.0 0) ("1.0@-0" 1.0 0) | |
1588 | ("#e1@0" 1 0) ("#e1@+0" 1 0) ("#e1@-0" 1 0) ("#e0.5@0.0" 1/2 0) | |
1589 | ("#e1.0@0" 1 0) ("#e1.0@-0" 1 0) | |
1590 | ("#i1@0" 1.0 0.0) ("#i1@+0" 1.0 0.0) ("#i1@-0" 1.0 -0.0) ("#i1/2@0" 0.5 0.0) | |
1591 | ("#i1.0@0" 1.0 0.0) ("#i1.0@-0" 1.0 -0.0) | |
1592 | ("1@+0.0" 1.0 0.0) ("1.0@-0.0" 1.0 -0.0) | |
1593 | ("2+3i" 2.0 3.0) ("4-5i" 4.0 -5.0) | |
1594 | ("1+i" 1.0 1.0) ("1-i" 1.0 -1.0) ("+1i" 0.0 1.0) ("-1i" 0.0 -1.0) | |
1595 | ("+i" 0.0 1.0) ("-i" 0.0 -1.0) | |
1596 | ("1.0+.1i" 1.0 0.1) ("1.0-.1i" 1.0 -0.1) | |
1597 | (".1+.0i" 0.1 0.0) ("1.+.0i" 1.0 0.0) (".1+.1i" 0.1 0.1) | |
1598 | ("1e1+.1i" 10.0 0.1) | |
1599 | ("0@+nan.0" 0 0) ("0@+inf.0" 0 0) ("0@-inf.0" 0 0) | |
1600 | ("0.0@+nan.0" 0.0 0.0) ("0.0@+inf.0" 0.0 0.0) ("0.0@-inf.0" 0.0 0.0) | |
1601 | ("#i0@+nan.0" 0.0 0.0) ("#i0@+inf.0" 0.0 0.0) ("#i0@-inf.0" 0.0 0.0) | |
1602 | ("0.0@1" 0.0 0.0) ("0.0@2" -0.0 0.0) ("0.0@4" -0.0 -0.0) ("0.0@5" 0.0 -0.0) | |
40f89215 | 1603 | )) |
b7d9b1cf DH |
1604 | #t) |
1605 | ||
2f4a254a DH |
1606 | (pass-if-exception "exponent too big" |
1607 | exception:out-of-range | |
48e78ba6 KR |
1608 | (string->number "12.13e141414")) |
1609 | ||
1610 | ;; in guile 1.6.7 and earlier, bad polar forms (where the conversion of | |
1611 | ;; the angle gave #f) caused a segv | |
1612 | (pass-if "1@a" | |
1613 | (eq? #f (string->number "1@a")))) | |
2f4a254a | 1614 | |
f29b3454 DH |
1615 | ;;; |
1616 | ;;; number? | |
1617 | ;;; | |
1618 | ||
7c24e528 RB |
1619 | (with-test-prefix "number?" |
1620 | (pass-if (documented? number?)) | |
1621 | (pass-if (number? 0)) | |
1622 | (pass-if (number? 7)) | |
1623 | (pass-if (number? -7)) | |
1624 | (pass-if (number? 1.3)) | |
1625 | (pass-if (number? (+ 1 fixnum-max))) | |
1626 | (pass-if (number? (- 1 fixnum-min))) | |
1627 | (pass-if (number? 3+4i)) | |
4d332f19 DH |
1628 | (pass-if (not (number? #\a))) |
1629 | (pass-if (not (number? "a"))) | |
1630 | (pass-if (not (number? (make-vector 0)))) | |
1631 | (pass-if (not (number? (cons 1 2)))) | |
1632 | (pass-if (not (number? #t))) | |
1633 | (pass-if (not (number? (lambda () #t)))) | |
1634 | (pass-if (not (number? (current-input-port))))) | |
7c24e528 | 1635 | |
f29b3454 DH |
1636 | ;;; |
1637 | ;;; complex? | |
1638 | ;;; | |
1639 | ||
7c24e528 RB |
1640 | (with-test-prefix "complex?" |
1641 | (pass-if (documented? complex?)) | |
1642 | (pass-if (complex? 0)) | |
1643 | (pass-if (complex? 7)) | |
1644 | (pass-if (complex? -7)) | |
1645 | (pass-if (complex? (+ 1 fixnum-max))) | |
1646 | (pass-if (complex? (- 1 fixnum-min))) | |
1647 | (pass-if (complex? 1.3)) | |
1648 | (pass-if (complex? 3+4i)) | |
4d332f19 DH |
1649 | (pass-if (not (complex? #\a))) |
1650 | (pass-if (not (complex? "a"))) | |
1651 | (pass-if (not (complex? (make-vector 0)))) | |
1652 | (pass-if (not (complex? (cons 1 2)))) | |
1653 | (pass-if (not (complex? #t))) | |
1654 | (pass-if (not (complex? (lambda () #t)))) | |
1655 | (pass-if (not (complex? (current-input-port))))) | |
7c24e528 | 1656 | |
f29b3454 DH |
1657 | ;;; |
1658 | ;;; real? | |
1659 | ;;; | |
1660 | ||
7c24e528 RB |
1661 | (with-test-prefix "real?" |
1662 | (pass-if (documented? real?)) | |
1663 | (pass-if (real? 0)) | |
1664 | (pass-if (real? 7)) | |
1665 | (pass-if (real? -7)) | |
1666 | (pass-if (real? (+ 1 fixnum-max))) | |
1667 | (pass-if (real? (- 1 fixnum-min))) | |
1668 | (pass-if (real? 1.3)) | |
c960e556 MW |
1669 | (pass-if (real? +inf.0)) |
1670 | (pass-if (real? -inf.0)) | |
1671 | (pass-if (real? +nan.0)) | |
1672 | (pass-if (not (real? +inf.0-inf.0i))) | |
1673 | (pass-if (not (real? +nan.0+nan.0i))) | |
4d332f19 DH |
1674 | (pass-if (not (real? 3+4i))) |
1675 | (pass-if (not (real? #\a))) | |
1676 | (pass-if (not (real? "a"))) | |
1677 | (pass-if (not (real? (make-vector 0)))) | |
1678 | (pass-if (not (real? (cons 1 2)))) | |
1679 | (pass-if (not (real? #t))) | |
1680 | (pass-if (not (real? (lambda () #t)))) | |
1681 | (pass-if (not (real? (current-input-port))))) | |
7c24e528 | 1682 | |
f29b3454 | 1683 | ;;; |
c960e556 | 1684 | ;;; rational? |
f29b3454 DH |
1685 | ;;; |
1686 | ||
7c24e528 RB |
1687 | (with-test-prefix "rational?" |
1688 | (pass-if (documented? rational?)) | |
1689 | (pass-if (rational? 0)) | |
1690 | (pass-if (rational? 7)) | |
1691 | (pass-if (rational? -7)) | |
1692 | (pass-if (rational? (+ 1 fixnum-max))) | |
1693 | (pass-if (rational? (- 1 fixnum-min))) | |
1694 | (pass-if (rational? 1.3)) | |
c960e556 MW |
1695 | (pass-if (not (rational? +inf.0))) |
1696 | (pass-if (not (rational? -inf.0))) | |
1697 | (pass-if (not (rational? +nan.0))) | |
1698 | (pass-if (not (rational? +inf.0-inf.0i))) | |
1699 | (pass-if (not (rational? +nan.0+nan.0i))) | |
4d332f19 DH |
1700 | (pass-if (not (rational? 3+4i))) |
1701 | (pass-if (not (rational? #\a))) | |
1702 | (pass-if (not (rational? "a"))) | |
1703 | (pass-if (not (rational? (make-vector 0)))) | |
1704 | (pass-if (not (rational? (cons 1 2)))) | |
1705 | (pass-if (not (rational? #t))) | |
1706 | (pass-if (not (rational? (lambda () #t)))) | |
1707 | (pass-if (not (rational? (current-input-port))))) | |
7c24e528 | 1708 | |
f29b3454 DH |
1709 | ;;; |
1710 | ;;; integer? | |
1711 | ;;; | |
1712 | ||
7c24e528 RB |
1713 | (with-test-prefix "integer?" |
1714 | (pass-if (documented? integer?)) | |
1715 | (pass-if (integer? 0)) | |
1716 | (pass-if (integer? 7)) | |
1717 | (pass-if (integer? -7)) | |
1718 | (pass-if (integer? (+ 1 fixnum-max))) | |
1719 | (pass-if (integer? (- 1 fixnum-min))) | |
1720 | (pass-if (and (= 3+0i (round 3+0i)) (integer? 3+0i))) | |
1721 | (pass-if (and (= 1.0 (round 1.0)) (integer? 1.0))) | |
4d332f19 | 1722 | (pass-if (not (integer? 1.3))) |
8e43ed5d AW |
1723 | (pass-if (not (integer? +inf.0))) |
1724 | (pass-if (not (integer? -inf.0))) | |
c1122753 | 1725 | (pass-if (not (integer? +nan.0))) |
c7218482 MW |
1726 | (pass-if (not (integer? +inf.0-inf.0i))) |
1727 | (pass-if (not (integer? +nan.0+nan.0i))) | |
4d332f19 DH |
1728 | (pass-if (not (integer? 3+4i))) |
1729 | (pass-if (not (integer? #\a))) | |
1730 | (pass-if (not (integer? "a"))) | |
1731 | (pass-if (not (integer? (make-vector 0)))) | |
1732 | (pass-if (not (integer? (cons 1 2)))) | |
1733 | (pass-if (not (integer? #t))) | |
1734 | (pass-if (not (integer? (lambda () #t)))) | |
1735 | (pass-if (not (integer? (current-input-port))))) | |
7c24e528 | 1736 | |
f29b3454 DH |
1737 | ;;; |
1738 | ;;; inexact? | |
1739 | ;;; | |
1740 | ||
7c24e528 RB |
1741 | (with-test-prefix "inexact?" |
1742 | (pass-if (documented? inexact?)) | |
4d332f19 DH |
1743 | (pass-if (not (inexact? 0))) |
1744 | (pass-if (not (inexact? 7))) | |
1745 | (pass-if (not (inexact? -7))) | |
1746 | (pass-if (not (inexact? (+ 1 fixnum-max)))) | |
1747 | (pass-if (not (inexact? (- 1 fixnum-min)))) | |
7c24e528 RB |
1748 | (pass-if (inexact? 1.3)) |
1749 | (pass-if (inexact? 3.1+4.2i)) | |
41df63cf MW |
1750 | (pass-if (inexact? +inf.0)) |
1751 | (pass-if (inexact? -inf.0)) | |
1752 | (pass-if (inexact? +nan.0)) | |
ca2b31fe MV |
1753 | (pass-if-exception "char" |
1754 | exception:wrong-type-arg | |
1755 | (not (inexact? #\a))) | |
1756 | (pass-if-exception "string" | |
1757 | exception:wrong-type-arg | |
1758 | (not (inexact? "a"))) | |
1759 | (pass-if-exception "vector" | |
1760 | exception:wrong-type-arg | |
1761 | (not (inexact? (make-vector 0)))) | |
1762 | (pass-if-exception "cons" | |
1763 | exception:wrong-type-arg | |
1764 | (not (inexact? (cons 1 2)))) | |
1765 | (pass-if-exception "bool" | |
1766 | exception:wrong-type-arg | |
1767 | (not (inexact? #t))) | |
1768 | (pass-if-exception "procedure" | |
1769 | exception:wrong-type-arg | |
1770 | (not (inexact? (lambda () #t)))) | |
1771 | (pass-if-exception "port" | |
1772 | exception:wrong-type-arg | |
1773 | (not (inexact? (current-input-port))))) | |
7c24e528 | 1774 | |
47ae1f0e DH |
1775 | ;;; |
1776 | ;;; equal? | |
1777 | ;;; | |
1778 | ||
1779 | (with-test-prefix "equal?" | |
1780 | (pass-if (documented? equal?)) | |
2e6e1933 MW |
1781 | |
1782 | ;; The following test will fail on platforms | |
1783 | ;; without distinct signed zeroes 0.0 and -0.0. | |
1784 | (pass-if (not (equal? 0.0 -0.0))) | |
1785 | ||
47ae1f0e DH |
1786 | (pass-if (equal? 0 0)) |
1787 | (pass-if (equal? 7 7)) | |
1788 | (pass-if (equal? -7 -7)) | |
1789 | (pass-if (equal? (+ 1 fixnum-max) (+ 1 fixnum-max))) | |
1790 | (pass-if (equal? (- fixnum-min 1) (- fixnum-min 1))) | |
2e6e1933 MW |
1791 | (pass-if (equal? 0.0 0.0)) |
1792 | (pass-if (equal? -0.0 -0.0)) | |
c7218482 MW |
1793 | (pass-if (equal? 0.0+0.0i 0.0+0.0i)) |
1794 | (pass-if (equal? 0.0-0.0i 0.0-0.0i)) | |
1795 | (pass-if (equal? -0.0+0.0i -0.0+0.0i)) | |
47ae1f0e | 1796 | (pass-if (not (equal? 0 1))) |
2e6e1933 MW |
1797 | (pass-if (not (equal? 0 0.0))) |
1798 | (pass-if (not (equal? 1 1.0))) | |
1799 | (pass-if (not (equal? 0.0 0))) | |
1800 | (pass-if (not (equal? 1.0 1))) | |
1801 | (pass-if (not (equal? -1.0 -1))) | |
c7218482 MW |
1802 | (pass-if (not (equal? 1.0 1.0+0.0i))) |
1803 | (pass-if (not (equal? 0.0 0.0+0.0i))) | |
1804 | (pass-if (not (equal? 0.0+0.0i 0.0-0.0i))) | |
1805 | (pass-if (not (equal? 0.0+0.0i -0.0+0.0i))) | |
47ae1f0e DH |
1806 | (pass-if (not (equal? fixnum-max (+ 1 fixnum-max)))) |
1807 | (pass-if (not (equal? (+ 1 fixnum-max) fixnum-max))) | |
1808 | (pass-if (not (equal? (+ 1 fixnum-max) (+ 2 fixnum-max)))) | |
1809 | (pass-if (not (equal? fixnum-min (- fixnum-min 1)))) | |
1810 | (pass-if (not (equal? (- fixnum-min 1) fixnum-min))) | |
1811 | (pass-if (not (equal? (- fixnum-min 1) (- fixnum-min 2)))) | |
1812 | (pass-if (not (equal? (+ fixnum-max 1) (- fixnum-min 1)))) | |
1813 | ||
1814 | (pass-if (not (equal? (ash 1 256) +inf.0))) | |
1815 | (pass-if (not (equal? +inf.0 (ash 1 256)))) | |
1816 | (pass-if (not (equal? (ash 1 256) -inf.0))) | |
1817 | (pass-if (not (equal? -inf.0 (ash 1 256)))) | |
1818 | ||
1819 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating Inf as 2^1024, make | |
1820 | ;; sure we've avoided that | |
1821 | (pass-if (not (equal? (ash 1 1024) +inf.0))) | |
1822 | (pass-if (not (equal? +inf.0 (ash 1 1024)))) | |
1823 | (pass-if (not (equal? (- (ash 1 1024)) -inf.0))) | |
1824 | (pass-if (not (equal? -inf.0 (- (ash 1 1024))))) | |
1825 | ||
2e6e1933 MW |
1826 | (pass-if (equal? +nan.0 +nan.0)) |
1827 | (pass-if (equal? +nan.0 +nan.0)) | |
1828 | (pass-if (not (equal? +nan.0 0.0+nan.0i))) | |
1829 | ||
47ae1f0e DH |
1830 | (pass-if (not (equal? 0 +nan.0))) |
1831 | (pass-if (not (equal? +nan.0 0))) | |
1832 | (pass-if (not (equal? 1 +nan.0))) | |
1833 | (pass-if (not (equal? +nan.0 1))) | |
1834 | (pass-if (not (equal? -1 +nan.0))) | |
1835 | (pass-if (not (equal? +nan.0 -1))) | |
1836 | ||
1837 | (pass-if (not (equal? (ash 1 256) +nan.0))) | |
1838 | (pass-if (not (equal? +nan.0 (ash 1 256)))) | |
1839 | (pass-if (not (equal? (- (ash 1 256)) +nan.0))) | |
1840 | (pass-if (not (equal? +nan.0 (- (ash 1 256))))) | |
1841 | ||
1842 | (pass-if (not (equal? (ash 1 8192) +nan.0))) | |
1843 | (pass-if (not (equal? +nan.0 (ash 1 8192)))) | |
1844 | (pass-if (not (equal? (- (ash 1 8192)) +nan.0))) | |
1845 | (pass-if (not (equal? +nan.0 (- (ash 1 8192))))) | |
1846 | ||
1847 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating NaN as 3*2^1023, make | |
1848 | ;; sure we've avoided that | |
1849 | (pass-if (not (equal? (ash 3 1023) +nan.0))) | |
1850 | (pass-if (not (equal? +nan.0 (ash 3 1023))))) | |
1851 | ||
2e6e1933 MW |
1852 | ;;; |
1853 | ;;; eqv? | |
1854 | ;;; | |
1855 | ||
1856 | (with-test-prefix "eqv?" | |
1857 | (pass-if (documented? eqv?)) | |
1858 | ||
1859 | ;; The following test will fail on platforms | |
1860 | ;; without distinct signed zeroes 0.0 and -0.0. | |
1861 | (pass-if (not (eqv? 0.0 -0.0))) | |
1862 | ||
1863 | (pass-if (eqv? 0 0)) | |
1864 | (pass-if (eqv? 7 7)) | |
1865 | (pass-if (eqv? -7 -7)) | |
1866 | (pass-if (eqv? (+ 1 fixnum-max) (+ 1 fixnum-max))) | |
1867 | (pass-if (eqv? (- fixnum-min 1) (- fixnum-min 1))) | |
1868 | (pass-if (eqv? 0.0 0.0)) | |
1869 | (pass-if (eqv? -0.0 -0.0)) | |
c7218482 MW |
1870 | (pass-if (eqv? 0.0+0.0i 0.0+0.0i)) |
1871 | (pass-if (eqv? 0.0-0.0i 0.0-0.0i)) | |
1872 | (pass-if (eqv? -0.0+0.0i -0.0+0.0i)) | |
1873 | (pass-if (not (eqv? 0.0 -0.0))) | |
1874 | (pass-if (not (eqv? 0.0 0.0+0.0i))) | |
1875 | (pass-if (not (eqv? 0.0+0.0i 0.0-0.0i))) | |
1876 | (pass-if (not (eqv? 0.0+0.0i -0.0+0.0i))) | |
2e6e1933 MW |
1877 | (pass-if (not (eqv? 0 1))) |
1878 | (pass-if (not (eqv? 0 0.0))) | |
1879 | (pass-if (not (eqv? 1 1.0))) | |
1880 | (pass-if (not (eqv? 0.0 0))) | |
1881 | (pass-if (not (eqv? 1.0 1))) | |
1882 | (pass-if (not (eqv? -1.0 -1))) | |
c7218482 MW |
1883 | (pass-if (not (eqv? 1.0 1.0+0.0i))) |
1884 | (pass-if (not (eqv? 0.0 0.0+0.0i))) | |
2e6e1933 MW |
1885 | (pass-if (not (eqv? fixnum-max (+ 1 fixnum-max)))) |
1886 | (pass-if (not (eqv? (+ 1 fixnum-max) fixnum-max))) | |
1887 | (pass-if (not (eqv? (+ 1 fixnum-max) (+ 2 fixnum-max)))) | |
1888 | (pass-if (not (eqv? fixnum-min (- fixnum-min 1)))) | |
1889 | (pass-if (not (eqv? (- fixnum-min 1) fixnum-min))) | |
1890 | (pass-if (not (eqv? (- fixnum-min 1) (- fixnum-min 2)))) | |
1891 | (pass-if (not (eqv? (+ fixnum-max 1) (- fixnum-min 1)))) | |
1892 | ||
1893 | (pass-if (not (eqv? (ash 1 256) +inf.0))) | |
1894 | (pass-if (not (eqv? +inf.0 (ash 1 256)))) | |
1895 | (pass-if (not (eqv? (ash 1 256) -inf.0))) | |
1896 | (pass-if (not (eqv? -inf.0 (ash 1 256)))) | |
1897 | ||
1898 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating Inf as 2^1024, make | |
1899 | ;; sure we've avoided that | |
1900 | (pass-if (not (eqv? (ash 1 1024) +inf.0))) | |
1901 | (pass-if (not (eqv? +inf.0 (ash 1 1024)))) | |
1902 | (pass-if (not (eqv? (- (ash 1 1024)) -inf.0))) | |
1903 | (pass-if (not (eqv? -inf.0 (- (ash 1 1024))))) | |
1904 | ||
1905 | (pass-if (eqv? +nan.0 +nan.0)) | |
1906 | (pass-if (not (eqv? +nan.0 0.0+nan.0i))) | |
1907 | ||
1908 | (pass-if (not (eqv? 0 +nan.0))) | |
1909 | (pass-if (not (eqv? +nan.0 0))) | |
1910 | (pass-if (not (eqv? 1 +nan.0))) | |
1911 | (pass-if (not (eqv? +nan.0 1))) | |
1912 | (pass-if (not (eqv? -1 +nan.0))) | |
1913 | (pass-if (not (eqv? +nan.0 -1))) | |
1914 | ||
1915 | (pass-if (not (eqv? (ash 1 256) +nan.0))) | |
1916 | (pass-if (not (eqv? +nan.0 (ash 1 256)))) | |
1917 | (pass-if (not (eqv? (- (ash 1 256)) +nan.0))) | |
1918 | (pass-if (not (eqv? +nan.0 (- (ash 1 256))))) | |
1919 | ||
1920 | (pass-if (not (eqv? (ash 1 8192) +nan.0))) | |
1921 | (pass-if (not (eqv? +nan.0 (ash 1 8192)))) | |
1922 | (pass-if (not (eqv? (- (ash 1 8192)) +nan.0))) | |
1923 | (pass-if (not (eqv? +nan.0 (- (ash 1 8192))))) | |
1924 | ||
1925 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating NaN as 3*2^1023, make | |
1926 | ;; sure we've avoided that | |
1927 | (pass-if (not (eqv? (ash 3 1023) +nan.0))) | |
1928 | (pass-if (not (eqv? +nan.0 (ash 3 1023))))) | |
1929 | ||
f29b3454 DH |
1930 | ;;; |
1931 | ;;; = | |
1932 | ;;; | |
1933 | ||
7c24e528 | 1934 | (with-test-prefix "=" |
8a1f4f98 | 1935 | (pass-if (documented? =)) |
7c24e528 RB |
1936 | (pass-if (= 7 7)) |
1937 | (pass-if (= -7 -7)) | |
c7218482 MW |
1938 | (pass-if (= 1.0 1)) |
1939 | (pass-if (= 1 1.0)) | |
1940 | (pass-if (= -1 -1.0)) | |
1941 | (pass-if (= 0.0 0.0)) | |
1942 | (pass-if (= 0.0 -0.0)) | |
1943 | (pass-if (= 1 1.0+0.0i)) | |
1944 | ||
1945 | (pass-if (= 0 0)) | |
1946 | (pass-if (= 0 0.0)) | |
1947 | (pass-if (= 0 -0.0)) | |
1948 | (pass-if (= 0 0.0+0.0i)) | |
1949 | (pass-if (= 0 0.0-0.0i)) | |
1950 | (pass-if (= 0 0.0+0.0i)) | |
1951 | (pass-if (= 0 -0.0-0.0i)) | |
1952 | ||
1953 | (pass-if (= 0 0)) | |
1954 | (pass-if (= 0.0 0)) | |
1955 | (pass-if (= -0.0 0)) | |
1956 | (pass-if (= 0.0+0.0i 0)) | |
1957 | (pass-if (= 0.0-0.0i 0)) | |
1958 | (pass-if (= 0.0+0.0i 0)) | |
1959 | (pass-if (= -0.0-0.0i 0)) | |
1960 | ||
1961 | (pass-if (= 0.0+0.0i 0.0-0.0i)) | |
1962 | (pass-if (= 0.0+0.0i -0.0+0.0i)) | |
1963 | ||
7c24e528 | 1964 | (pass-if (= (+ 1 fixnum-max) (+ 1 fixnum-max))) |
47ae1f0e | 1965 | (pass-if (= (- fixnum-min 1) (- fixnum-min 1))) |
4d332f19 DH |
1966 | (pass-if (not (= 0 1))) |
1967 | (pass-if (not (= fixnum-max (+ 1 fixnum-max)))) | |
1968 | (pass-if (not (= (+ 1 fixnum-max) fixnum-max))) | |
47ae1f0e | 1969 | (pass-if (not (= (+ 1 fixnum-max) (+ 2 fixnum-max)))) |
4d332f19 DH |
1970 | (pass-if (not (= fixnum-min (- fixnum-min 1)))) |
1971 | (pass-if (not (= (- fixnum-min 1) fixnum-min))) | |
47ae1f0e | 1972 | (pass-if (not (= (- fixnum-min 1) (- fixnum-min 2)))) |
4d332f19 | 1973 | (pass-if (not (= (+ fixnum-max 1) (- fixnum-min 1)))) |
2cfcaed5 | 1974 | |
adda36ed KR |
1975 | (pass-if (not (= (ash 1 256) +inf.0))) |
1976 | (pass-if (not (= +inf.0 (ash 1 256)))) | |
1977 | (pass-if (not (= (ash 1 256) -inf.0))) | |
1978 | (pass-if (not (= -inf.0 (ash 1 256)))) | |
1979 | ||
1980 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating Inf as 2^1024, make | |
1981 | ;; sure we've avoided that | |
1982 | (pass-if (not (= (ash 1 1024) +inf.0))) | |
1983 | (pass-if (not (= +inf.0 (ash 1 1024)))) | |
1984 | (pass-if (not (= (- (ash 1 1024)) -inf.0))) | |
1985 | (pass-if (not (= -inf.0 (- (ash 1 1024))))) | |
1986 | ||
2cfcaed5 KR |
1987 | (pass-if (not (= +nan.0 +nan.0))) |
1988 | (pass-if (not (= 0 +nan.0))) | |
1989 | (pass-if (not (= +nan.0 0))) | |
1990 | (pass-if (not (= 1 +nan.0))) | |
1991 | (pass-if (not (= +nan.0 1))) | |
1992 | (pass-if (not (= -1 +nan.0))) | |
1993 | (pass-if (not (= +nan.0 -1))) | |
1994 | ||
1995 | (pass-if (not (= (ash 1 256) +nan.0))) | |
1996 | (pass-if (not (= +nan.0 (ash 1 256)))) | |
1997 | (pass-if (not (= (- (ash 1 256)) +nan.0))) | |
1998 | (pass-if (not (= +nan.0 (- (ash 1 256))))) | |
1999 | ||
2000 | (pass-if (not (= (ash 1 8192) +nan.0))) | |
2001 | (pass-if (not (= +nan.0 (ash 1 8192)))) | |
2002 | (pass-if (not (= (- (ash 1 8192)) +nan.0))) | |
2003 | (pass-if (not (= +nan.0 (- (ash 1 8192))))) | |
2004 | ||
2005 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating NaN as 3*2^1023, make | |
2006 | ;; sure we've avoided that | |
2007 | (pass-if (not (= (ash 3 1023) +nan.0))) | |
2a8b5e04 KR |
2008 | (pass-if (not (= +nan.0 (ash 3 1023)))) |
2009 | ||
2010 | (pass-if (= 1/2 0.5)) | |
2011 | (pass-if (not (= 1/3 0.333333333333333333333333333333333))) | |
2012 | (pass-if (not (= 2/3 0.5))) | |
2013 | (pass-if (not (= 0.5 (+ 1/2 (/ 1 (ash 1 1000)))))) | |
2014 | ||
2015 | (pass-if (= 1/2 0.5+0i)) | |
2016 | (pass-if (not (= 0.333333333333333333333333333333333 1/3))) | |
2017 | (pass-if (not (= 2/3 0.5+0i))) | |
2018 | (pass-if (not (= 1/2 0+0.5i))) | |
2019 | ||
2020 | (pass-if (= 0.5 1/2)) | |
2021 | (pass-if (not (= 0.5 2/3))) | |
2022 | (pass-if (not (= (+ 1/2 (/ 1 (ash 1 1000))) 0.5))) | |
2023 | ||
2024 | (pass-if (= 0.5+0i 1/2)) | |
2025 | (pass-if (not (= 0.5+0i 2/3))) | |
6f6847fa KR |
2026 | (pass-if (not (= 0+0.5i 1/2))) |
2027 | ||
2028 | ;; prior to guile 1.8, inum/flonum comparisons were done just by | |
2029 | ;; converting the inum to a double, which on a 64-bit would round making | |
2030 | ;; say inexact 2^58 appear equal to exact 2^58+1 | |
2031 | (pass-if (= (ash-flo 1.0 58) (ash 1 58))) | |
2032 | (pass-if (not (= (ash-flo 1.0 58) (1+ (ash 1 58))))) | |
2033 | (pass-if (not (= (ash-flo 1.0 58) (1- (ash 1 58))))) | |
2034 | (pass-if (= (ash 1 58) (ash-flo 1.0 58))) | |
2035 | (pass-if (not (= (1+ (ash 1 58)) (ash-flo 1.0 58)))) | |
2036 | (pass-if (not (= (1- (ash 1 58)) (ash-flo 1.0 58))))) | |
7c24e528 | 2037 | |
de142bea DH |
2038 | ;;; |
2039 | ;;; < | |
2040 | ;;; | |
2041 | ||
2042 | (with-test-prefix "<" | |
2043 | ||
8a1f4f98 | 2044 | (pass-if "documented?" |
cb18f2a8 | 2045 | (documented? <)) |
de142bea | 2046 | |
de142bea DH |
2047 | (with-test-prefix "(< 0 n)" |
2048 | ||
2049 | (pass-if "n = 0" | |
2050 | (not (< 0 0))) | |
2051 | ||
2052 | (pass-if "n = 0.0" | |
2053 | (not (< 0 0.0))) | |
2054 | ||
2055 | (pass-if "n = 1" | |
2056 | (< 0 1)) | |
2057 | ||
2058 | (pass-if "n = 1.0" | |
2059 | (< 0 1.0)) | |
2060 | ||
2061 | (pass-if "n = -1" | |
2062 | (not (< 0 -1))) | |
2063 | ||
2064 | (pass-if "n = -1.0" | |
2065 | (not (< 0 -1.0))) | |
2066 | ||
21e39e8f DH |
2067 | (pass-if "n = fixnum-max" |
2068 | (< 0 fixnum-max)) | |
2069 | ||
2070 | (pass-if "n = fixnum-max + 1" | |
2071 | (< 0 (+ fixnum-max 1))) | |
2072 | ||
2073 | (pass-if "n = fixnum-min" | |
2074 | (not (< 0 fixnum-min))) | |
de142bea | 2075 | |
21e39e8f DH |
2076 | (pass-if "n = fixnum-min - 1" |
2077 | (not (< 0 (- fixnum-min 1))))) | |
2078 | ||
de142bea DH |
2079 | (with-test-prefix "(< 0.0 n)" |
2080 | ||
2081 | (pass-if "n = 0" | |
2082 | (not (< 0.0 0))) | |
2083 | ||
2084 | (pass-if "n = 0.0" | |
2085 | (not (< 0.0 0.0))) | |
2086 | ||
2087 | (pass-if "n = 1" | |
2088 | (< 0.0 1)) | |
2089 | ||
2090 | (pass-if "n = 1.0" | |
2091 | (< 0.0 1.0)) | |
2092 | ||
2093 | (pass-if "n = -1" | |
2094 | (not (< 0.0 -1))) | |
2095 | ||
2096 | (pass-if "n = -1.0" | |
2097 | (not (< 0.0 -1.0))) | |
2098 | ||
21e39e8f DH |
2099 | (pass-if "n = fixnum-max" |
2100 | (< 0.0 fixnum-max)) | |
2101 | ||
2102 | (pass-if "n = fixnum-max + 1" | |
2103 | (< 0.0 (+ fixnum-max 1))) | |
de142bea | 2104 | |
21e39e8f DH |
2105 | (pass-if "n = fixnum-min" |
2106 | (not (< 0.0 fixnum-min))) | |
2107 | ||
2108 | (pass-if "n = fixnum-min - 1" | |
2109 | (not (< 0.0 (- fixnum-min 1))))) | |
2110 | ||
2111 | (with-test-prefix "(< 1 n)" | |
de142bea | 2112 | |
21e39e8f | 2113 | (pass-if "n = 0" |
de142bea DH |
2114 | (not (< 1 0))) |
2115 | ||
21e39e8f DH |
2116 | (pass-if "n = 0.0" |
2117 | (not (< 1 0.0))) | |
2118 | ||
2119 | (pass-if "n = 1" | |
2120 | (not (< 1 1))) | |
2121 | ||
de142bea | 2122 | (pass-if "n = 1.0" |
21e39e8f DH |
2123 | (not (< 1 1.0))) |
2124 | ||
2125 | (pass-if "n = -1" | |
2126 | (not (< 1 -1))) | |
2127 | ||
2128 | (pass-if "n = -1.0" | |
2129 | (not (< 1 -1.0))) | |
2130 | ||
2131 | (pass-if "n = fixnum-max" | |
2132 | (< 1 fixnum-max)) | |
2133 | ||
2134 | (pass-if "n = fixnum-max + 1" | |
2135 | (< 1 (+ fixnum-max 1))) | |
2136 | ||
2137 | (pass-if "n = fixnum-min" | |
2138 | (not (< 1 fixnum-min))) | |
2139 | ||
2140 | (pass-if "n = fixnum-min - 1" | |
2141 | (not (< 1 (- fixnum-min 1))))) | |
2142 | ||
2143 | (with-test-prefix "(< 1.0 n)" | |
2144 | ||
2145 | (pass-if "n = 0" | |
de142bea DH |
2146 | (not (< 1.0 0))) |
2147 | ||
21e39e8f DH |
2148 | (pass-if "n = 0.0" |
2149 | (not (< 1.0 0.0))) | |
2150 | ||
2151 | (pass-if "n = 1" | |
2152 | (not (< 1.0 1))) | |
2153 | ||
2154 | (pass-if "n = 1.0" | |
2155 | (not (< 1.0 1.0))) | |
2156 | ||
de142bea | 2157 | (pass-if "n = -1" |
21e39e8f DH |
2158 | (not (< 1.0 -1))) |
2159 | ||
2160 | (pass-if "n = -1.0" | |
2161 | (not (< 1.0 -1.0))) | |
2162 | ||
2163 | (pass-if "n = fixnum-max" | |
2164 | (< 1.0 fixnum-max)) | |
2165 | ||
2166 | (pass-if "n = fixnum-max + 1" | |
2167 | (< 1.0 (+ fixnum-max 1))) | |
2168 | ||
2169 | (pass-if "n = fixnum-min" | |
2170 | (not (< 1.0 fixnum-min))) | |
2171 | ||
2172 | (pass-if "n = fixnum-min - 1" | |
2173 | (not (< 1.0 (- fixnum-min 1))))) | |
2174 | ||
2175 | (with-test-prefix "(< -1 n)" | |
2176 | ||
2177 | (pass-if "n = 0" | |
de142bea DH |
2178 | (< -1 0)) |
2179 | ||
21e39e8f DH |
2180 | (pass-if "n = 0.0" |
2181 | (< -1 0.0)) | |
2182 | ||
2183 | (pass-if "n = 1" | |
2184 | (< -1 1)) | |
2185 | ||
2186 | (pass-if "n = 1.0" | |
2187 | (< -1 1.0)) | |
2188 | ||
2189 | (pass-if "n = -1" | |
2190 | (not (< -1 -1))) | |
2191 | ||
de142bea | 2192 | (pass-if "n = -1.0" |
21e39e8f DH |
2193 | (not (< -1 -1.0))) |
2194 | ||
2195 | (pass-if "n = fixnum-max" | |
2196 | (< -1 fixnum-max)) | |
2197 | ||
2198 | (pass-if "n = fixnum-max + 1" | |
2199 | (< -1 (+ fixnum-max 1))) | |
2200 | ||
2201 | (pass-if "n = fixnum-min" | |
2202 | (not (< -1 fixnum-min))) | |
2203 | ||
2204 | (pass-if "n = fixnum-min - 1" | |
2205 | (not (< -1 (- fixnum-min 1))))) | |
2206 | ||
2207 | (with-test-prefix "(< -1.0 n)" | |
2208 | ||
2209 | (pass-if "n = 0" | |
de142bea DH |
2210 | (< -1.0 0)) |
2211 | ||
21e39e8f DH |
2212 | (pass-if "n = 0.0" |
2213 | (< -1.0 0.0)) | |
2214 | ||
2215 | (pass-if "n = 1" | |
2216 | (< -1.0 1)) | |
2217 | ||
2218 | (pass-if "n = 1.0" | |
2219 | (< -1.0 1.0)) | |
2220 | ||
2221 | (pass-if "n = -1" | |
2222 | (not (< -1.0 -1))) | |
2223 | ||
2224 | (pass-if "n = -1.0" | |
2225 | (not (< -1.0 -1.0))) | |
2226 | ||
2227 | (pass-if "n = fixnum-max" | |
2228 | (< -1.0 fixnum-max)) | |
2229 | ||
2230 | (pass-if "n = fixnum-max + 1" | |
2231 | (< -1.0 (+ fixnum-max 1))) | |
de142bea | 2232 | |
21e39e8f DH |
2233 | (pass-if "n = fixnum-min" |
2234 | (not (< -1.0 fixnum-min))) | |
2235 | ||
2236 | (pass-if "n = fixnum-min - 1" | |
2237 | (not (< -1.0 (- fixnum-min 1))))) | |
2238 | ||
2239 | (with-test-prefix "(< fixnum-max n)" | |
2240 | ||
2241 | (pass-if "n = 0" | |
2242 | (not (< fixnum-max 0))) | |
2243 | ||
2244 | (pass-if "n = 0.0" | |
2245 | (not (< fixnum-max 0.0))) | |
de142bea DH |
2246 | |
2247 | (pass-if "n = 1" | |
21e39e8f | 2248 | (not (< fixnum-max 1))) |
de142bea DH |
2249 | |
2250 | (pass-if "n = 1.0" | |
21e39e8f | 2251 | (not (< fixnum-max 1.0))) |
de142bea DH |
2252 | |
2253 | (pass-if "n = -1" | |
21e39e8f | 2254 | (not (< fixnum-max -1))) |
de142bea DH |
2255 | |
2256 | (pass-if "n = -1.0" | |
21e39e8f | 2257 | (not (< fixnum-max -1.0))) |
de142bea | 2258 | |
21e39e8f DH |
2259 | (pass-if "n = fixnum-max" |
2260 | (not (< fixnum-max fixnum-max))) | |
de142bea | 2261 | |
21e39e8f DH |
2262 | (pass-if "n = fixnum-max + 1" |
2263 | (< fixnum-max (+ fixnum-max 1))) | |
2264 | ||
2265 | (pass-if "n = fixnum-min" | |
2266 | (not (< fixnum-max fixnum-min))) | |
2267 | ||
2268 | (pass-if "n = fixnum-min - 1" | |
2269 | (not (< fixnum-max (- fixnum-min 1))))) | |
2270 | ||
2271 | (with-test-prefix "(< (+ fixnum-max 1) n)" | |
2272 | ||
2273 | (pass-if "n = 0" | |
2274 | (not (< (+ fixnum-max 1) 0))) | |
2275 | ||
2276 | (pass-if "n = 0.0" | |
2277 | (not (< (+ fixnum-max 1) 0.0))) | |
de142bea DH |
2278 | |
2279 | (pass-if "n = 1" | |
21e39e8f | 2280 | (not (< (+ fixnum-max 1) 1))) |
de142bea DH |
2281 | |
2282 | (pass-if "n = 1.0" | |
21e39e8f | 2283 | (not (< (+ fixnum-max 1) 1.0))) |
de142bea DH |
2284 | |
2285 | (pass-if "n = -1" | |
21e39e8f | 2286 | (not (< (+ fixnum-max 1) -1))) |
de142bea DH |
2287 | |
2288 | (pass-if "n = -1.0" | |
21e39e8f | 2289 | (not (< (+ fixnum-max 1) -1.0))) |
de142bea | 2290 | |
21e39e8f DH |
2291 | (pass-if "n = fixnum-max" |
2292 | (not (< (+ fixnum-max 1) fixnum-max))) | |
de142bea | 2293 | |
21e39e8f DH |
2294 | (pass-if "n = fixnum-max + 1" |
2295 | (not (< (+ fixnum-max 1) (+ fixnum-max 1)))) | |
de142bea | 2296 | |
21e39e8f DH |
2297 | (pass-if "n = fixnum-min" |
2298 | (not (< (+ fixnum-max 1) fixnum-min))) | |
2299 | ||
2300 | (pass-if "n = fixnum-min - 1" | |
2301 | (not (< (+ fixnum-max 1) (- fixnum-min 1))))) | |
2302 | ||
2303 | (with-test-prefix "(< fixnum-min n)" | |
2304 | ||
2305 | (pass-if "n = 0" | |
2306 | (< fixnum-min 0)) | |
2307 | ||
2308 | (pass-if "n = 0.0" | |
2309 | (< fixnum-min 0.0)) | |
de142bea DH |
2310 | |
2311 | (pass-if "n = 1" | |
21e39e8f | 2312 | (< fixnum-min 1)) |
de142bea DH |
2313 | |
2314 | (pass-if "n = 1.0" | |
21e39e8f | 2315 | (< fixnum-min 1.0)) |
de142bea DH |
2316 | |
2317 | (pass-if "n = -1" | |
21e39e8f | 2318 | (< fixnum-min -1)) |
de142bea DH |
2319 | |
2320 | (pass-if "n = -1.0" | |
21e39e8f | 2321 | (< fixnum-min -1.0)) |
de142bea | 2322 | |
21e39e8f DH |
2323 | (pass-if "n = fixnum-max" |
2324 | (< fixnum-min fixnum-max)) | |
2325 | ||
2326 | (pass-if "n = fixnum-max + 1" | |
2327 | (< fixnum-min (+ fixnum-max 1))) | |
de142bea | 2328 | |
21e39e8f DH |
2329 | (pass-if "n = fixnum-min" |
2330 | (not (< fixnum-min fixnum-min))) | |
de142bea | 2331 | |
21e39e8f DH |
2332 | (pass-if "n = fixnum-min - 1" |
2333 | (not (< fixnum-min (- fixnum-min 1))))) | |
2334 | ||
2335 | (with-test-prefix "(< (- fixnum-min 1) n)" | |
2336 | ||
2337 | (pass-if "n = 0" | |
2338 | (< (- fixnum-min 1) 0)) | |
2339 | ||
2340 | (pass-if "n = 0.0" | |
2341 | (< (- fixnum-min 1) 0.0)) | |
2342 | ||
2343 | (pass-if "n = 1" | |
2344 | (< (- fixnum-min 1) 1)) | |
2345 | ||
2346 | (pass-if "n = 1.0" | |
2347 | (< (- fixnum-min 1) 1.0)) | |
de142bea DH |
2348 | |
2349 | (pass-if "n = -1" | |
21e39e8f | 2350 | (< (- fixnum-min 1) -1)) |
de142bea DH |
2351 | |
2352 | (pass-if "n = -1.0" | |
21e39e8f DH |
2353 | (< (- fixnum-min 1) -1.0)) |
2354 | ||
2355 | (pass-if "n = fixnum-max" | |
2356 | (< (- fixnum-min 1) fixnum-max)) | |
2357 | ||
2358 | (pass-if "n = fixnum-max + 1" | |
2359 | (< (- fixnum-min 1) (+ fixnum-max 1))) | |
2360 | ||
2361 | (pass-if "n = fixnum-min" | |
2362 | (< (- fixnum-min 1) fixnum-min)) | |
2363 | ||
2364 | (pass-if "n = fixnum-min - 1" | |
2cfcaed5 KR |
2365 | (not (< (- fixnum-min 1) (- fixnum-min 1))))) |
2366 | ||
adda36ed KR |
2367 | (pass-if (< (ash 1 256) +inf.0)) |
2368 | (pass-if (not (< +inf.0 (ash 1 256)))) | |
2369 | (pass-if (not (< (ash 1 256) -inf.0))) | |
2370 | (pass-if (< -inf.0 (ash 1 256))) | |
2371 | ||
2372 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating Inf as 2^1024, make | |
2373 | ;; sure we've avoided that | |
2374 | (pass-if (< (1- (ash 1 1024)) +inf.0)) | |
2375 | (pass-if (< (ash 1 1024) +inf.0)) | |
2376 | (pass-if (< (1+ (ash 1 1024)) +inf.0)) | |
2377 | (pass-if (not (< +inf.0 (1- (ash 1 1024))))) | |
2378 | (pass-if (not (< +inf.0 (ash 1 1024)))) | |
2379 | (pass-if (not (< +inf.0 (1+ (ash 1 1024))))) | |
2380 | (pass-if (< -inf.0 (- (1- (ash 1 1024))))) | |
2381 | (pass-if (< -inf.0 (- (ash 1 1024)))) | |
2382 | (pass-if (< -inf.0 (- (1+ (ash 1 1024))))) | |
2383 | (pass-if (not (< (- (1- (ash 1 1024))) -inf.0))) | |
2384 | (pass-if (not (< (- (ash 1 1024)) -inf.0))) | |
2385 | (pass-if (not (< (- (1+ (ash 1 1024))) -inf.0))) | |
2386 | ||
2cfcaed5 KR |
2387 | (pass-if (not (< +nan.0 +nan.0))) |
2388 | (pass-if (not (< 0 +nan.0))) | |
2389 | (pass-if (not (< +nan.0 0))) | |
2390 | (pass-if (not (< 1 +nan.0))) | |
2391 | (pass-if (not (< +nan.0 1))) | |
2392 | (pass-if (not (< -1 +nan.0))) | |
2393 | (pass-if (not (< +nan.0 -1))) | |
2394 | ||
2395 | (pass-if (not (< (ash 1 256) +nan.0))) | |
2396 | (pass-if (not (< +nan.0 (ash 1 256)))) | |
2397 | (pass-if (not (< (- (ash 1 256)) +nan.0))) | |
2398 | (pass-if (not (< +nan.0 (- (ash 1 256))))) | |
2399 | ||
2400 | (pass-if (not (< (ash 1 8192) +nan.0))) | |
2401 | (pass-if (not (< +nan.0 (ash 1 8192)))) | |
2402 | (pass-if (not (< (- (ash 1 8192)) +nan.0))) | |
2403 | (pass-if (not (< +nan.0 (- (ash 1 8192))))) | |
2404 | ||
2405 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating NaN as 3*2^1023, make | |
2406 | ;; sure we've avoided that | |
2407 | (pass-if (not (< (ash 3 1023) +nan.0))) | |
2408 | (pass-if (not (< (1+ (ash 3 1023)) +nan.0))) | |
2409 | (pass-if (not (< (1- (ash 3 1023)) +nan.0))) | |
2410 | (pass-if (not (< +nan.0 (ash 3 1023)))) | |
2411 | (pass-if (not (< +nan.0 (1+ (ash 3 1023))))) | |
fe89421e KR |
2412 | (pass-if (not (< +nan.0 (1- (ash 3 1023))))) |
2413 | ||
2414 | (with-test-prefix "inum/frac" | |
2415 | (pass-if (< 2 9/4)) | |
2416 | (pass-if (< -2 9/4)) | |
2417 | (pass-if (< -2 7/4)) | |
2418 | (pass-if (< -2 -7/4)) | |
2419 | (pass-if (eq? #f (< 2 7/4))) | |
2420 | (pass-if (eq? #f (< 2 -7/4))) | |
2421 | (pass-if (eq? #f (< 2 -9/4))) | |
2422 | (pass-if (eq? #f (< -2 -9/4)))) | |
2423 | ||
2424 | (with-test-prefix "bignum/frac" | |
2425 | (let ((x (ash 1 2048))) | |
2426 | (pass-if (< x (* 4/3 x))) | |
2427 | (pass-if (< (- x) (* 4/3 x))) | |
2428 | (pass-if (< (- x) (* 2/3 x))) | |
2429 | (pass-if (< (- x) (* -2/3 x))) | |
2430 | (pass-if (eq? #f (< x (* 2/3 x)))) | |
2431 | (pass-if (eq? #f (< x (* -2/3 x)))) | |
2432 | (pass-if (eq? #f (< x (* -4/3 x)))) | |
2433 | (pass-if (eq? #f (< (- x) (* -4/3 x)))))) | |
2434 | ||
2435 | (with-test-prefix "flonum/frac" | |
2436 | (pass-if (< 0.75 4/3)) | |
2437 | (pass-if (< -0.75 4/3)) | |
2438 | (pass-if (< -0.75 2/3)) | |
2439 | (pass-if (< -0.75 -2/3)) | |
2440 | (pass-if (eq? #f (< 0.75 2/3))) | |
2441 | (pass-if (eq? #f (< 0.75 -2/3))) | |
2442 | (pass-if (eq? #f (< 0.75 -4/3))) | |
2443 | (pass-if (eq? #f (< -0.75 -4/3))) | |
2444 | ||
2445 | (pass-if (< -inf.0 4/3)) | |
2446 | (pass-if (< -inf.0 -4/3)) | |
2447 | (pass-if (eq? #f (< +inf.0 4/3))) | |
2448 | (pass-if (eq? #f (< +inf.0 -4/3))) | |
2449 | ||
2450 | (pass-if (eq? #f (< +nan.0 4/3))) | |
2451 | (pass-if (eq? #f (< +nan.0 -4/3)))) | |
2452 | ||
2453 | (with-test-prefix "frac/inum" | |
2454 | (pass-if (< 7/4 2)) | |
2455 | (pass-if (< -7/4 2)) | |
2456 | (pass-if (< -9/4 2)) | |
2457 | (pass-if (< -9/4 -2)) | |
2458 | (pass-if (eq? #f (< 9/4 2))) | |
2459 | (pass-if (eq? #f (< 9/4 -2))) | |
2460 | (pass-if (eq? #f (< 7/4 -2))) | |
2461 | (pass-if (eq? #f (< -7/4 -2)))) | |
2462 | ||
2463 | (with-test-prefix "frac/bignum" | |
2464 | (let ((x (ash 1 2048))) | |
2465 | (pass-if (< (* 2/3 x) x)) | |
2466 | (pass-if (< (* -2/3 x) x)) | |
2467 | (pass-if (< (* -4/3 x) x)) | |
2468 | (pass-if (< (* -4/3 x) (- x))) | |
2469 | (pass-if (eq? #f (< (* 4/3 x) x))) | |
2470 | (pass-if (eq? #f (< (* 4/3 x) (- x)))) | |
2471 | (pass-if (eq? #f (< (* 2/3 x) (- x)))) | |
2472 | (pass-if (eq? #f (< (* -2/3 x) (- x)))))) | |
2473 | ||
2474 | (with-test-prefix "frac/flonum" | |
2475 | (pass-if (< 2/3 0.75)) | |
2476 | (pass-if (< -2/3 0.75)) | |
2477 | (pass-if (< -4/3 0.75)) | |
2478 | (pass-if (< -4/3 -0.75)) | |
2479 | (pass-if (eq? #f (< 4/3 0.75))) | |
2480 | (pass-if (eq? #f (< 4/3 -0.75))) | |
2481 | (pass-if (eq? #f (< 2/3 -0.75))) | |
2482 | (pass-if (eq? #f (< -2/3 -0.75))) | |
2483 | ||
2484 | (pass-if (< 4/3 +inf.0)) | |
2485 | (pass-if (< -4/3 +inf.0)) | |
2486 | (pass-if (eq? #f (< 4/3 -inf.0))) | |
2487 | (pass-if (eq? #f (< -4/3 -inf.0))) | |
2488 | ||
2489 | (pass-if (eq? #f (< 4/3 +nan.0))) | |
2490 | (pass-if (eq? #f (< -4/3 +nan.0)))) | |
2491 | ||
2492 | (with-test-prefix "frac/frac" | |
2493 | (pass-if (< 2/3 6/7)) | |
2494 | (pass-if (< -2/3 6/7)) | |
2495 | (pass-if (< -4/3 6/7)) | |
2496 | (pass-if (< -4/3 -6/7)) | |
2497 | (pass-if (eq? #f (< 4/3 6/7))) | |
2498 | (pass-if (eq? #f (< 4/3 -6/7))) | |
2499 | (pass-if (eq? #f (< 2/3 -6/7))) | |
2500 | (pass-if (eq? #f (< -2/3 -6/7))))) | |
f29b3454 DH |
2501 | |
2502 | ;;; | |
2503 | ;;; > | |
2504 | ;;; | |
2505 | ||
7c24e528 RB |
2506 | ;; currently not tested -- implementation is trivial |
2507 | ;; (> x y) is implemented as (< y x) | |
2508 | ;; FIXME: tests should probably be added in case we change implementation. | |
2509 | ||
f29b3454 DH |
2510 | ;;; |
2511 | ;;; <= | |
2512 | ;;; | |
2513 | ||
7c24e528 RB |
2514 | ;; currently not tested -- implementation is trivial |
2515 | ;; (<= x y) is implemented as (not (< y x)) | |
2516 | ;; FIXME: tests should probably be added in case we change implementation. | |
2517 | ||
f29b3454 DH |
2518 | ;;; |
2519 | ;;; >= | |
2520 | ;;; | |
2521 | ||
7c24e528 RB |
2522 | ;; currently not tested -- implementation is trivial |
2523 | ;; (>= x y) is implemented as (not (< x y)) | |
2524 | ;; FIXME: tests should probably be added in case we change implementation. | |
2525 | ||
f29b3454 DH |
2526 | ;;; |
2527 | ;;; zero? | |
2528 | ;;; | |
2529 | ||
7c24e528 | 2530 | (with-test-prefix "zero?" |
2519490c | 2531 | (pass-if (documented? zero?)) |
c7218482 MW |
2532 | |
2533 | (pass-if (zero? 0)) | |
2534 | (pass-if (zero? 0.0)) | |
2535 | (pass-if (zero? -0.0)) | |
2536 | ||
2537 | (pass-if (zero? 0.0+0.0i)) | |
2538 | (pass-if (zero? 0.0-0.0i)) | |
2539 | (pass-if (zero? 0.0+0.0i)) | |
2540 | (pass-if (zero? -0.0-0.0i)) | |
2541 | ||
2542 | (pass-if (not (zero? 7))) | |
4d332f19 | 2543 | (pass-if (not (zero? -7))) |
c7218482 MW |
2544 | (pass-if (not (zero? 1/7))) |
2545 | (pass-if (not (zero? -inf.0))) | |
2546 | (pass-if (not (zero? +inf.0))) | |
2547 | (pass-if (not (zero? +nan.0))) | |
4d332f19 DH |
2548 | (pass-if (not (zero? (+ 1 fixnum-max)))) |
2549 | (pass-if (not (zero? (- 1 fixnum-min)))) | |
2550 | (pass-if (not (zero? 1.3))) | |
c7218482 MW |
2551 | (pass-if (not (zero? 3.1+4.2i))) |
2552 | (pass-if (not (zero? 1.0+0.0i))) | |
2553 | (pass-if (not (zero? 0.0-1.0i)))) | |
7c24e528 | 2554 | |
f29b3454 DH |
2555 | ;;; |
2556 | ;;; positive? | |
2557 | ;;; | |
2558 | ||
7c24e528 | 2559 | (with-test-prefix "positive?" |
2519490c | 2560 | (pass-if (documented? positive?)) |
7c24e528 RB |
2561 | (pass-if (positive? 1)) |
2562 | (pass-if (positive? (+ fixnum-max 1))) | |
2563 | (pass-if (positive? 1.3)) | |
4d332f19 DH |
2564 | (pass-if (not (positive? 0))) |
2565 | (pass-if (not (positive? -1))) | |
2566 | (pass-if (not (positive? (- fixnum-min 1)))) | |
2567 | (pass-if (not (positive? -1.3)))) | |
7c24e528 | 2568 | |
f29b3454 DH |
2569 | ;;; |
2570 | ;;; negative? | |
2571 | ;;; | |
2572 | ||
7c24e528 | 2573 | (with-test-prefix "negative?" |
2519490c | 2574 | (pass-if (documented? negative?)) |
4d332f19 DH |
2575 | (pass-if (not (negative? 1))) |
2576 | (pass-if (not (negative? (+ fixnum-max 1)))) | |
2577 | (pass-if (not (negative? 1.3))) | |
2578 | (pass-if (not (negative? 0))) | |
7c24e528 RB |
2579 | (pass-if (negative? -1)) |
2580 | (pass-if (negative? (- fixnum-min 1))) | |
2581 | (pass-if (negative? -1.3))) | |
2582 | ||
f29b3454 DH |
2583 | ;;; |
2584 | ;;; max | |
2585 | ;;; | |
2586 | ||
adda36ed | 2587 | (with-test-prefix "max" |
593a4c2f KR |
2588 | (pass-if-exception "no args" exception:wrong-num-args |
2589 | (max)) | |
2590 | ||
2591 | (pass-if-exception "one complex" exception:wrong-type-arg | |
2592 | (max 1+i)) | |
2593 | ||
2594 | (pass-if-exception "inum/complex" exception:wrong-type-arg | |
2595 | (max 123 1+i)) | |
2596 | (pass-if-exception "big/complex" exception:wrong-type-arg | |
2597 | (max 9999999999999999999999999999999999999999 1+i)) | |
2598 | (pass-if-exception "real/complex" exception:wrong-type-arg | |
2599 | (max 123.0 1+i)) | |
2600 | (pass-if-exception "frac/complex" exception:wrong-type-arg | |
2601 | (max 123/456 1+i)) | |
2602 | ||
2603 | (pass-if-exception "complex/inum" exception:wrong-type-arg | |
2604 | (max 1+i 123)) | |
2605 | (pass-if-exception "complex/big" exception:wrong-type-arg | |
2606 | (max 1+i 9999999999999999999999999999999999999999)) | |
2607 | (pass-if-exception "complex/real" exception:wrong-type-arg | |
2608 | (max 1+i 123.0)) | |
2609 | (pass-if-exception "complex/frac" exception:wrong-type-arg | |
2610 | (max 1+i 123/456)) | |
2611 | ||
adda36ed KR |
2612 | (let ((big*2 (* fixnum-max 2)) |
2613 | (big*3 (* fixnum-max 3)) | |
2614 | (big*4 (* fixnum-max 4)) | |
2615 | (big*5 (* fixnum-max 5))) | |
501da403 | 2616 | |
2530518e | 2617 | (with-test-prefix "inum / frac" |
2e274311 MW |
2618 | (pass-if (eqv? 3 (max 3 5/2))) |
2619 | (pass-if (eqv? 5/2 (max 2 5/2)))) | |
2530518e KR |
2620 | |
2621 | (with-test-prefix "frac / inum" | |
2e274311 MW |
2622 | (pass-if (eqv? 3 (max 5/2 3))) |
2623 | (pass-if (eqv? 5/2 (max 5/2 2)))) | |
2624 | ||
2625 | (with-test-prefix "infinities and NaNs" | |
2626 | ;; +inf.0 beats everything else, including NaNs | |
2627 | (pass-if (eqv? +inf.0 (max +inf.0 123 ))) | |
2628 | (pass-if (eqv? +inf.0 (max 123 +inf.0 ))) | |
2629 | (pass-if (eqv? +inf.0 (max +inf.0 -123.3 ))) | |
2630 | (pass-if (eqv? +inf.0 (max -123.3 +inf.0 ))) | |
2631 | (pass-if (eqv? +inf.0 (max +inf.0 -7/2 ))) | |
2632 | (pass-if (eqv? +inf.0 (max -7/2 +inf.0 ))) | |
2633 | (pass-if (eqv? +inf.0 (max +inf.0 -1e20 ))) | |
2634 | (pass-if (eqv? +inf.0 (max -1e20 +inf.0 ))) | |
2635 | (pass-if (eqv? +inf.0 (max +inf.0 (- big*2)))) | |
2636 | (pass-if (eqv? +inf.0 (max (- big*2) +inf.0 ))) | |
2637 | (pass-if (eqv? +inf.0 (max +inf.0 +inf.0 ))) | |
2638 | (pass-if (eqv? +inf.0 (max +inf.0 +inf.0 ))) | |
2639 | (pass-if (eqv? +inf.0 (max +inf.0 +nan.0 ))) | |
2640 | (pass-if (eqv? +inf.0 (max +nan.0 +inf.0 ))) | |
2641 | (pass-if (eqv? +inf.0 (max +inf.0 +inf.0 ))) | |
2642 | ||
2643 | ;; NaNs beat everything except +inf.0 | |
2644 | (pass-if (real-nan? (max +nan.0 123 ))) | |
2645 | (pass-if (real-nan? (max 123 +nan.0 ))) | |
2646 | (pass-if (real-nan? (max +nan.0 123.3 ))) | |
2647 | (pass-if (real-nan? (max 123.3 +nan.0 ))) | |
2648 | (pass-if (real-nan? (max +nan.0 -7/2 ))) | |
2649 | (pass-if (real-nan? (max -7/2 +nan.0 ))) | |
2650 | (pass-if (real-nan? (max +nan.0 -1e20 ))) | |
2651 | (pass-if (real-nan? (max -1e20 +nan.0 ))) | |
2652 | (pass-if (real-nan? (max +nan.0 (- big*2)))) | |
2653 | (pass-if (real-nan? (max (- big*2) +nan.0 ))) | |
2654 | (pass-if (real-nan? (max +nan.0 -inf.0 ))) | |
2655 | (pass-if (real-nan? (max -inf.0 +nan.0 ))) | |
2656 | (pass-if (real-nan? (max +nan.0 +nan.0 ))) | |
2657 | ||
2658 | ;; -inf.0 always loses, except against itself | |
2659 | (pass-if (eqv? -inf.0 (max -inf.0 -inf.0 ))) | |
2660 | (pass-if (eqv? -123.0 (max -inf.0 -123 ))) | |
2661 | (pass-if (eqv? -123.0 (max -123 -inf.0 ))) | |
2662 | (pass-if (eqv? -123.3 (max -inf.0 -123.3 ))) | |
2663 | (pass-if (eqv? -123.3 (max -123.3 -inf.0 ))) | |
2664 | (pass-if (eqv? -3.5 (max -inf.0 -7/2 ))) | |
2665 | (pass-if (eqv? -3.5 (max -7/2 -inf.0 ))) | |
2666 | (pass-if (eqv? -1.0e20 (max -inf.0 -1e20 ))) | |
2667 | (pass-if (eqv? -1.0e20 (max -1e20 -inf.0 ))) | |
2668 | (pass-if (eqv? (exact->inexact (- big*2)) | |
2669 | (max -inf.0 (- big*2)))) | |
2670 | (pass-if (eqv? (exact->inexact (- big*2)) | |
2671 | (max (- big*2) -inf.0 )))) | |
2672 | ||
2673 | (with-test-prefix "signed zeroes" | |
2674 | (pass-if (eqv? 0.0 (max 0.0 0.0))) | |
2675 | (pass-if (eqv? 0.0 (max 0.0 -0.0))) | |
2676 | (pass-if (eqv? 0.0 (max -0.0 0.0))) | |
2677 | (pass-if (eqv? -0.0 (max -0.0 -0.0))) | |
2678 | (pass-if (eqv? 0.0 (max -0.0 0 ))) | |
2679 | (pass-if (eqv? 0.0 (max 0.0 0 ))) | |
2680 | (pass-if (eqv? 0.0 (max 0 -0.0))) | |
2681 | (pass-if (eqv? 0.0 (max 0 0.0))) | |
2682 | (pass-if (eqv? 0 (min 0 0 )))) | |
23d77957 | 2683 | |
2530518e | 2684 | (with-test-prefix "big / frac" |
2e274311 MW |
2685 | (pass-if (eqv? big*2 (max big*2 5/2))) |
2686 | (pass-if (eqv? 5/2 (max (- big*2) 5/2)))) | |
2530518e KR |
2687 | |
2688 | (with-test-prefix "frac / big" | |
2e274311 MW |
2689 | (pass-if (eqv? big*2 (max 5/2 big*2))) |
2690 | (pass-if (eqv? 5/2 (max 5/2 (- big*2))))) | |
2530518e | 2691 | |
23d77957 | 2692 | (with-test-prefix "big / real" |
55a8b708 | 2693 | (pass-if (real-nan? (max big*5 +nan.0))) |
23d72566 KR |
2694 | (pass-if (eqv? (exact->inexact big*5) (max big*5 -inf.0))) |
2695 | (pass-if (eqv? (exact->inexact big*5) (max big*5 1.0))) | |
2696 | (pass-if (eqv? +inf.0 (max big*5 +inf.0))) | |
2697 | (pass-if (eqv? 1.0 (max (- big*5) 1.0)))) | |
23d77957 KR |
2698 | |
2699 | (with-test-prefix "real / big" | |
55a8b708 | 2700 | (pass-if (real-nan? (max +nan.0 big*5))) |
23d72566 KR |
2701 | (pass-if (eqv? (exact->inexact big*5) (max -inf.0 big*5))) |
2702 | (pass-if (eqv? (exact->inexact big*5) (max 1.0 big*5))) | |
2703 | (pass-if (eqv? +inf.0 (max +inf.0 big*5))) | |
2704 | (pass-if (eqv? 1.0 (max 1.0 (- big*5))))) | |
23d77957 | 2705 | |
2530518e | 2706 | (with-test-prefix "frac / frac" |
2e274311 MW |
2707 | (pass-if (eqv? 2/3 (max 1/2 2/3))) |
2708 | (pass-if (eqv? 2/3 (max 2/3 1/2))) | |
2709 | (pass-if (eqv? -1/2 (max -1/2 -2/3))) | |
2710 | (pass-if (eqv? -1/2 (max -2/3 -1/2)))) | |
2530518e | 2711 | |
23d77957 | 2712 | (with-test-prefix "real / real" |
55a8b708 MW |
2713 | (pass-if (real-nan? (max 123.0 +nan.0))) |
2714 | (pass-if (real-nan? (max +nan.0 123.0))) | |
2715 | (pass-if (real-nan? (max +nan.0 +nan.0))) | |
2e274311 MW |
2716 | (pass-if (eqv? 456.0 (max 123.0 456.0))) |
2717 | (pass-if (eqv? 456.0 (max 456.0 123.0))))) | |
adda36ed KR |
2718 | |
2719 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating Inf as 2^1024, make | |
2720 | ;; sure we've avoided that | |
2721 | (for-each (lambda (b) | |
2722 | (pass-if (list b +inf.0) | |
2e274311 | 2723 | (eqv? +inf.0 (max b +inf.0))) |
adda36ed | 2724 | (pass-if (list +inf.0 b) |
2e274311 | 2725 | (eqv? +inf.0 (max b +inf.0))) |
adda36ed | 2726 | (pass-if (list b -inf.0) |
2e274311 | 2727 | (eqv? (exact->inexact b) (max b -inf.0))) |
adda36ed | 2728 | (pass-if (list -inf.0 b) |
2e274311 | 2729 | (eqv? (exact->inexact b) (max b -inf.0)))) |
adda36ed KR |
2730 | (list (1- (ash 1 1024)) |
2731 | (ash 1 1024) | |
2732 | (1+ (ash 1 1024)) | |
2733 | (- (1- (ash 1 1024))) | |
2734 | (- (ash 1 1024)) | |
501da403 KR |
2735 | (- (1+ (ash 1 1024))))) |
2736 | ||
2737 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating NaN as 3*2^1023, make | |
2738 | ;; sure we've avoided that | |
55a8b708 MW |
2739 | (pass-if (real-nan? (max (ash 1 2048) +nan.0))) |
2740 | (pass-if (real-nan? (max +nan.0 (ash 1 2048))))) | |
adda36ed | 2741 | |
f29b3454 DH |
2742 | ;;; |
2743 | ;;; min | |
2744 | ;;; | |
2745 | ||
7c24e528 RB |
2746 | ;; FIXME: unfinished... |
2747 | ||
2748 | (with-test-prefix "min" | |
593a4c2f KR |
2749 | (pass-if-exception "no args" exception:wrong-num-args |
2750 | (min)) | |
2751 | ||
2752 | (pass-if-exception "one complex" exception:wrong-type-arg | |
2753 | (min 1+i)) | |
2754 | ||
2755 | (pass-if-exception "inum/complex" exception:wrong-type-arg | |
2756 | (min 123 1+i)) | |
2757 | (pass-if-exception "big/complex" exception:wrong-type-arg | |
2758 | (min 9999999999999999999999999999999999999999 1+i)) | |
2759 | (pass-if-exception "real/complex" exception:wrong-type-arg | |
2760 | (min 123.0 1+i)) | |
2761 | (pass-if-exception "frac/complex" exception:wrong-type-arg | |
2762 | (min 123/456 1+i)) | |
2763 | ||
2764 | (pass-if-exception "complex/inum" exception:wrong-type-arg | |
2765 | (min 1+i 123)) | |
2766 | (pass-if-exception "complex/big" exception:wrong-type-arg | |
2767 | (min 1+i 9999999999999999999999999999999999999999)) | |
2768 | (pass-if-exception "complex/real" exception:wrong-type-arg | |
2769 | (min 1+i 123.0)) | |
2770 | (pass-if-exception "complex/frac" exception:wrong-type-arg | |
2771 | (min 1+i 123/456)) | |
2772 | ||
7c24e528 RB |
2773 | (let ((big*2 (* fixnum-max 2)) |
2774 | (big*3 (* fixnum-max 3)) | |
2775 | (big*4 (* fixnum-max 4)) | |
2776 | (big*5 (* fixnum-max 5))) | |
23d77957 | 2777 | |
d389e966 | 2778 | (pass-if (documented? min)) |
2e274311 MW |
2779 | (pass-if (eqv? 1 (min 7 3 1 5))) |
2780 | (pass-if (eqv? 1 (min 1 7 3 5))) | |
2781 | (pass-if (eqv? 1 (min 7 3 5 1))) | |
2782 | (pass-if (eqv? -7 (min 2 3 4 -2 5 -7 1 -1 4 2))) | |
2783 | (pass-if (eqv? -7 (min -7 2 3 4 -2 5 1 -1 4 2))) | |
2784 | (pass-if (eqv? -7 (min 2 3 4 -2 5 1 -1 4 2 -7))) | |
2785 | (pass-if (eqv? big*2 (min big*3 big*5 big*2 big*4))) | |
2786 | (pass-if (eqv? big*2 (min big*2 big*3 big*5 big*4))) | |
2787 | (pass-if (eqv? big*2 (min big*3 big*5 big*4 big*2))) | |
7c24e528 | 2788 | (pass-if |
2e274311 | 2789 | (eqv? (- fixnum-min 1) (min 2 4 (- fixnum-min 1) 3 (* 2 fixnum-max)))) |
7c24e528 | 2790 | (pass-if |
2e274311 | 2791 | (eqv? (- fixnum-min 1) (min (- fixnum-min 1) 2 4 3 (* 2 fixnum-max)))) |
7c24e528 | 2792 | (pass-if |
2e274311 | 2793 | (eqv? (- fixnum-min 1) (min 2 4 3 (* 2 fixnum-max) (- fixnum-min 1)))) |
23d77957 | 2794 | |
2530518e | 2795 | (with-test-prefix "inum / frac" |
2e274311 MW |
2796 | (pass-if (eqv? 5/2 (min 3 5/2))) |
2797 | (pass-if (eqv? 2 (min 2 5/2)))) | |
2530518e KR |
2798 | |
2799 | (with-test-prefix "frac / inum" | |
2e274311 MW |
2800 | (pass-if (eqv? 5/2 (min 5/2 3))) |
2801 | (pass-if (eqv? 2 (min 5/2 2)))) | |
2802 | ||
2803 | (with-test-prefix "infinities and NaNs" | |
2804 | ;; -inf.0 beats everything else, including NaNs | |
2805 | (pass-if (eqv? -inf.0 (min -inf.0 123 ))) | |
2806 | (pass-if (eqv? -inf.0 (min 123 -inf.0 ))) | |
2807 | (pass-if (eqv? -inf.0 (min -inf.0 -123.3 ))) | |
2808 | (pass-if (eqv? -inf.0 (min -123.3 -inf.0 ))) | |
2809 | (pass-if (eqv? -inf.0 (min -inf.0 -7/2 ))) | |
2810 | (pass-if (eqv? -inf.0 (min -7/2 -inf.0 ))) | |
2811 | (pass-if (eqv? -inf.0 (min -inf.0 -1e20 ))) | |
2812 | (pass-if (eqv? -inf.0 (min -1e20 -inf.0 ))) | |
2813 | (pass-if (eqv? -inf.0 (min -inf.0 (- big*2)))) | |
2814 | (pass-if (eqv? -inf.0 (min (- big*2) -inf.0 ))) | |
2815 | (pass-if (eqv? -inf.0 (min -inf.0 +inf.0 ))) | |
2816 | (pass-if (eqv? -inf.0 (min +inf.0 -inf.0 ))) | |
2817 | (pass-if (eqv? -inf.0 (min -inf.0 +nan.0 ))) | |
2818 | (pass-if (eqv? -inf.0 (min +nan.0 -inf.0 ))) | |
2819 | (pass-if (eqv? -inf.0 (min -inf.0 -inf.0 ))) | |
2820 | ||
2821 | ;; NaNs beat everything except -inf.0 | |
2822 | (pass-if (real-nan? (min +nan.0 123 ))) | |
2823 | (pass-if (real-nan? (min 123 +nan.0 ))) | |
2824 | (pass-if (real-nan? (min +nan.0 123.3 ))) | |
2825 | (pass-if (real-nan? (min 123.3 +nan.0 ))) | |
2826 | (pass-if (real-nan? (min +nan.0 -7/2 ))) | |
2827 | (pass-if (real-nan? (min -7/2 +nan.0 ))) | |
2828 | (pass-if (real-nan? (min +nan.0 -1e20 ))) | |
2829 | (pass-if (real-nan? (min -1e20 +nan.0 ))) | |
2830 | (pass-if (real-nan? (min +nan.0 (- big*2)))) | |
2831 | (pass-if (real-nan? (min (- big*2) +nan.0 ))) | |
2832 | (pass-if (real-nan? (min +nan.0 +inf.0 ))) | |
2833 | (pass-if (real-nan? (min +inf.0 +nan.0 ))) | |
2834 | (pass-if (real-nan? (min +nan.0 +nan.0 ))) | |
2835 | ||
2836 | ;; +inf.0 always loses, except against itself | |
2837 | (pass-if (eqv? +inf.0 (min +inf.0 +inf.0 ))) | |
2838 | (pass-if (eqv? -123.0 (min +inf.0 -123 ))) | |
2839 | (pass-if (eqv? -123.0 (min -123 +inf.0 ))) | |
2840 | (pass-if (eqv? -123.3 (min +inf.0 -123.3 ))) | |
2841 | (pass-if (eqv? -123.3 (min -123.3 +inf.0 ))) | |
2842 | (pass-if (eqv? -3.5 (min +inf.0 -7/2 ))) | |
2843 | (pass-if (eqv? -3.5 (min -7/2 +inf.0 ))) | |
2844 | (pass-if (eqv? -1.0e20 (min +inf.0 -1e20 ))) | |
2845 | (pass-if (eqv? -1.0e20 (min -1e20 +inf.0 ))) | |
2846 | (pass-if (eqv? (exact->inexact (- big*2)) | |
2847 | (min +inf.0 (- big*2)))) | |
2848 | (pass-if (eqv? (exact->inexact (- big*2)) | |
2849 | (min (- big*2) +inf.0 )))) | |
2850 | ||
2851 | (with-test-prefix "signed zeroes" | |
2852 | (pass-if (eqv? 0.0 (min 0.0 0.0))) | |
2853 | (pass-if (eqv? -0.0 (min 0.0 -0.0))) | |
2854 | (pass-if (eqv? -0.0 (min -0.0 0.0))) | |
2855 | (pass-if (eqv? -0.0 (min -0.0 -0.0))) | |
2856 | (pass-if (eqv? -0.0 (min -0.0 0 ))) | |
2857 | (pass-if (eqv? 0.0 (min 0.0 0 ))) | |
2858 | (pass-if (eqv? -0.0 (min 0 -0.0))) | |
2859 | (pass-if (eqv? 0.0 (min 0 0.0))) | |
2860 | (pass-if (eqv? 0 (min 0 0 )))) | |
23d77957 | 2861 | |
2530518e | 2862 | (with-test-prefix "big / frac" |
2e274311 MW |
2863 | (pass-if (eqv? 5/2 (min big*2 5/2))) |
2864 | (pass-if (eqv? (- big*2) (min (- big*2) 5/2)))) | |
2530518e KR |
2865 | |
2866 | (with-test-prefix "frac / big" | |
2e274311 MW |
2867 | (pass-if (eqv? 5/2 (min 5/2 big*2))) |
2868 | (pass-if (eqv? (- big*2) (min 5/2 (- big*2))))) | |
2530518e | 2869 | |
23d77957 | 2870 | (with-test-prefix "big / real" |
55a8b708 | 2871 | (pass-if (real-nan? (min big*5 +nan.0))) |
23d72566 KR |
2872 | (pass-if (eqv? (exact->inexact big*5) (min big*5 +inf.0))) |
2873 | (pass-if (eqv? -inf.0 (min big*5 -inf.0))) | |
2874 | (pass-if (eqv? 1.0 (min big*5 1.0))) | |
2875 | (pass-if (eqv? (exact->inexact (- big*5)) (min (- big*5) 1.0)))) | |
23d77957 KR |
2876 | |
2877 | (with-test-prefix "real / big" | |
55a8b708 | 2878 | (pass-if (real-nan? (min +nan.0 big*5))) |
23d72566 KR |
2879 | (pass-if (eqv? (exact->inexact big*5) (min +inf.0 big*5))) |
2880 | (pass-if (eqv? -inf.0 (min -inf.0 big*5))) | |
2881 | (pass-if (eqv? 1.0 (min 1.0 big*5))) | |
2882 | (pass-if (eqv? (exact->inexact (- big*5)) (min 1.0 (- big*5))))) | |
23d77957 | 2883 | |
2530518e | 2884 | (with-test-prefix "frac / frac" |
2e274311 MW |
2885 | (pass-if (eqv? 1/2 (min 1/2 2/3))) |
2886 | (pass-if (eqv? 1/2 (min 2/3 1/2))) | |
2887 | (pass-if (eqv? -2/3 (min -1/2 -2/3))) | |
2888 | (pass-if (eqv? -2/3 (min -2/3 -1/2)))) | |
2530518e | 2889 | |
23d77957 | 2890 | (with-test-prefix "real / real" |
55a8b708 MW |
2891 | (pass-if (real-nan? (min 123.0 +nan.0))) |
2892 | (pass-if (real-nan? (min +nan.0 123.0))) | |
2893 | (pass-if (real-nan? (min +nan.0 +nan.0))) | |
2e274311 MW |
2894 | (pass-if (eqv? 123.0 (min 123.0 456.0))) |
2895 | (pass-if (eqv? 123.0 (min 456.0 123.0))))) | |
23d77957 KR |
2896 | |
2897 | ||
adda36ed KR |
2898 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating Inf as 2^1024, make |
2899 | ;; sure we've avoided that | |
2900 | (for-each (lambda (b) | |
2901 | (pass-if (list b +inf.0) | |
2e274311 | 2902 | (eqv? (exact->inexact b) (min b +inf.0))) |
adda36ed | 2903 | (pass-if (list +inf.0 b) |
2e274311 | 2904 | (eqv? (exact->inexact b) (min b +inf.0))) |
adda36ed | 2905 | (pass-if (list b -inf.0) |
2e274311 | 2906 | (eqv? -inf.0 (min b -inf.0))) |
adda36ed | 2907 | (pass-if (list -inf.0 b) |
2e274311 | 2908 | (eqv? -inf.0 (min b -inf.0)))) |
adda36ed KR |
2909 | (list (1- (ash 1 1024)) |
2910 | (ash 1 1024) | |
2911 | (1+ (ash 1 1024)) | |
2912 | (- (1- (ash 1 1024))) | |
2913 | (- (ash 1 1024)) | |
501da403 KR |
2914 | (- (1+ (ash 1 1024))))) |
2915 | ||
2916 | ;; in gmp prior to 4.2, mpz_cmp_d ended up treating NaN as 3*2^1023, make | |
2917 | ;; sure we've avoided that | |
55a8b708 MW |
2918 | (pass-if (real-nan? (min (- (ash 1 2048)) (- +nan.0)))) |
2919 | (pass-if (real-nan? (min (- +nan.0) (- (ash 1 2048)))))) | |
adda36ed | 2920 | |
f29b3454 DH |
2921 | ;;; |
2922 | ;;; + | |
2923 | ;;; | |
2924 | ||
0c57673a | 2925 | (with-test-prefix/c&e "+" |
f29b3454 | 2926 | |
d389e966 | 2927 | (pass-if "documented?" |
0c57673a LC |
2928 | (documented? +)) |
2929 | ||
c7218482 MW |
2930 | (pass-if "simple" |
2931 | (and (eqv? 7 (+ 3 4)) | |
2932 | (eqv? 3 (+ 3)) | |
2933 | (eqv? 0 (+)))) | |
2934 | ||
2935 | (pass-if "exactness propagation" | |
2936 | (and (eqv? 8 (+ 3 5)) | |
2937 | (eqv? 8.0 (+ 3 5.0)) | |
2938 | (eqv? 8.0 (+ 3.0 5)) | |
2939 | (eqv? 8.0 (+ 3.0 5.0)) | |
2940 | ||
2941 | (eqv? 5/6 (+ 1/2 1/3)) | |
2942 | (eqv? 5.5 (+ 1/2 5.0)) | |
2943 | (eqv? 3.25 (+ 3.0 1/4)))) | |
2944 | ||
2945 | (pass-if "signed zeroes" | |
2946 | (and (eqv? 0.0 (+ 0.0)) | |
2947 | (eqv? -0.0 (+ -0.0)) | |
2948 | (eqv? 0.0 (+ 0.0 0.0)) | |
2949 | (eqv? 0.0 (+ 0.0 -0.0)) | |
2950 | (eqv? 0.0 (+ -0.0 0.0)) | |
2951 | (eqv? -0.0 (+ -0.0 -0.0)))) | |
2952 | ||
2953 | (pass-if "NaNs" | |
2954 | (and (real-nan? (+ +nan.0 +nan.0)) | |
2955 | (real-nan? (+ 0 +nan.0)) | |
2956 | (real-nan? (+ +nan.0 0)) | |
2957 | (real-nan? (+ 1 +nan.0)) | |
2958 | (real-nan? (+ +nan.0 1)) | |
2959 | (real-nan? (+ -1 +nan.0)) | |
2960 | (real-nan? (+ +nan.0 -1)) | |
2961 | (real-nan? (+ -7/2 +nan.0)) | |
2962 | (real-nan? (+ +nan.0 -7/2)) | |
2963 | (real-nan? (+ 1e20 +nan.0)) | |
2964 | (real-nan? (+ +nan.0 1e20)) | |
2965 | (real-nan? (+ +inf.0 +nan.0)) | |
2966 | (real-nan? (+ +nan.0 +inf.0)) | |
2967 | (real-nan? (+ -inf.0 +nan.0)) | |
2968 | (real-nan? (+ +nan.0 -inf.0)) | |
2969 | (real-nan? (+ (* fixnum-max 2) +nan.0)) | |
2970 | (real-nan? (+ +nan.0 (* fixnum-max 2))))) | |
2971 | ||
2972 | (pass-if "infinities" | |
2973 | (and (eqv? +inf.0 (+ +inf.0 +inf.0)) | |
2974 | (eqv? -inf.0 (+ -inf.0 -inf.0)) | |
2975 | (real-nan? (+ +inf.0 -inf.0)) | |
2976 | (real-nan? (+ -inf.0 +inf.0)))) | |
2977 | ||
0c57673a LC |
2978 | ;; The maximum fixnum on a 32-bit architecture: 2^29 - 1. |
2979 | (pass-if "fixnum + fixnum = bignum (32-bit)" | |
2980 | (eqv? 536870912 (+ 536870910 2))) | |
2981 | ||
2982 | ;; The maximum fixnum on a 64-bit architecture: 2^61 - 1. | |
2983 | (pass-if "fixnum + fixnum = bignum (64-bit)" | |
2984 | (eqv? 2305843009213693952 (+ 2305843009213693950 2))) | |
2985 | ||
2986 | (pass-if "bignum + fixnum = fixnum" | |
2987 | (eqv? 0 (+ (1+ most-positive-fixnum) most-negative-fixnum)))) | |
f29b3454 | 2988 | |
f29b3454 DH |
2989 | ;;; |
2990 | ;;; - | |
2991 | ;;; | |
2992 | ||
0c57673a | 2993 | (with-test-prefix/c&e "-" |
072e6de2 | 2994 | |
b5c40589 MW |
2995 | (pass-if "double-negation of fixnum-min: =" |
2996 | (= fixnum-min (- (- fixnum-min)))) | |
2997 | (pass-if "double-negation of fixnum-min: eqv?" | |
2998 | (eqv? fixnum-min (- (- fixnum-min)))) | |
2999 | (pass-if "double-negation of fixnum-min: equal?" | |
3000 | (equal? fixnum-min (- (- fixnum-min)))) | |
3001 | ||
3002 | (pass-if "binary double-negation of fixnum-min: =" | |
3003 | (= fixnum-min (- 0 (- 0 fixnum-min)))) | |
3004 | (pass-if "binary double-negation of fixnum-min: eqv?" | |
3005 | (eqv? fixnum-min (- 0 (- 0 fixnum-min)))) | |
3006 | (pass-if "binary double-negation of fixnum-min: equal?" | |
3007 | (equal? fixnum-min (- 0 (- 0 fixnum-min)))) | |
3008 | ||
9b9ef10c MW |
3009 | (pass-if "signed zeroes" |
3010 | (and (eqv? +0.0 (- -0.0)) | |
3011 | (eqv? -0.0 (- +0.0)) | |
3012 | (eqv? 0.0 (- 0.0 0.0)) | |
3013 | (eqv? 0.0 (- 0.0 -0.0)) | |
3014 | (eqv? 0.0 (- -0.0 -0.0)) | |
3015 | (eqv? -0.0 (- -0.0 0.0)))) | |
3016 | ||
3017 | (pass-if "exactness propagation" | |
3018 | (and (eqv? 3 (- 8 5)) | |
3019 | (eqv? 3.0 (- 8 5.0)) | |
3020 | (eqv? 3.0 (- 8.0 5)) | |
3021 | (eqv? 3.0 (- 8.0 5.0)) | |
3022 | (eqv? -1/6 (- 1/3 1/2)) | |
3023 | (eqv? -4.5 (- 1/2 5.0)) | |
3024 | (eqv? 2.75 (- 3.0 1/4)))) | |
3025 | ||
3026 | (pass-if "infinities" | |
3027 | (and (eqv? +inf.0 (- +inf.0 -inf.0)) | |
3028 | (eqv? -inf.0 (- -inf.0 +inf.0)) | |
3029 | (real-nan? (- +inf.0 +inf.0)) | |
3030 | (real-nan? (- -inf.0 -inf.0)))) | |
3031 | ||
3032 | (pass-if "NaNs" | |
3033 | (and (real-nan? (- +nan.0 +nan.0)) | |
3034 | (real-nan? (- 0 +nan.0)) | |
3035 | (real-nan? (- +nan.0 0)) | |
3036 | (real-nan? (- 1 +nan.0)) | |
3037 | (real-nan? (- +nan.0 1)) | |
3038 | (real-nan? (- -1 +nan.0)) | |
3039 | (real-nan? (- +nan.0 -1)) | |
3040 | (real-nan? (- -7/2 +nan.0)) | |
3041 | (real-nan? (- +nan.0 -7/2)) | |
3042 | (real-nan? (- 1e20 +nan.0)) | |
3043 | (real-nan? (- +nan.0 1e20)) | |
3044 | (real-nan? (- +inf.0 +nan.0)) | |
3045 | (real-nan? (- +nan.0 +inf.0)) | |
3046 | (real-nan? (- -inf.0 +nan.0)) | |
3047 | (real-nan? (- +nan.0 -inf.0)) | |
3048 | (real-nan? (- (* fixnum-max 2) +nan.0)) | |
3049 | (real-nan? (- +nan.0 (* fixnum-max 2))))) | |
3050 | ||
3051 | (pass-if "(eqv? fixnum-min (- (- fixnum-min)))" | |
3052 | (eqv? fixnum-min (- (- fixnum-min)))) | |
3053 | (pass-if "(eqv? fixnum-min (- 0 (- 0 fixnum-min)))" | |
3054 | (eqv? fixnum-min (- 0 (- 0 fixnum-min)))) | |
3055 | (pass-if "(eqv? fixnum-num (apply - (list (apply - (list fixnum-min)))))" | |
3056 | (eqv? fixnum-min (apply - (list (apply - (list fixnum-min)))))) | |
3057 | ||
072e6de2 KR |
3058 | (pass-if "-inum - +bignum" |
3059 | (= #x-100000000000000000000000000000001 | |
ef016629 KR |
3060 | (- -1 #x100000000000000000000000000000000))) |
3061 | ||
3062 | (pass-if "big - inum" | |
3063 | (= #xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF | |
3064 | (- #x100000000000000000000000000000000 1))) | |
3065 | ||
3066 | (pass-if "big - -inum" | |
3067 | (= #x100000000000000000000000000000001 | |
0c57673a LC |
3068 | (- #x100000000000000000000000000000000 -1))) |
3069 | ||
3070 | ;; The mininum fixnum on a 32-bit architecture: -2^29. | |
3071 | (pass-if "fixnum - fixnum = bignum (32-bit)" | |
3072 | (eqv? -536870912 (- -536870910 2))) | |
3073 | ||
3074 | ;; The minimum fixnum on a 64-bit architecture: -2^61. | |
3075 | (pass-if "fixnum - fixnum = bignum (64-bit)" | |
3076 | (eqv? -2305843009213693952 (- -2305843009213693950 2))) | |
3077 | ||
3078 | (pass-if "bignum - fixnum = fixnum" | |
3079 | (eqv? most-positive-fixnum (- (1+ most-positive-fixnum) 1)))) | |
072e6de2 | 3080 | |
f29b3454 DH |
3081 | ;;; |
3082 | ;;; * | |
3083 | ;;; | |
3084 | ||
65ea251e KR |
3085 | (with-test-prefix "*" |
3086 | ||
b5c40589 MW |
3087 | (with-test-prefix "double-negation of fixnum-min" |
3088 | (pass-if (= fixnum-min (* -1 (* -1 fixnum-min)))) | |
3089 | (pass-if (eqv? fixnum-min (* -1 (* -1 fixnum-min)))) | |
3090 | (pass-if (equal? fixnum-min (* -1 (* -1 fixnum-min)))) | |
3091 | (pass-if (= fixnum-min (* (* fixnum-min -1) -1))) | |
3092 | (pass-if (eqv? fixnum-min (* (* fixnum-min -1) -1))) | |
3093 | (pass-if (equal? fixnum-min (* (* fixnum-min -1) -1)))) | |
3094 | ||
2355f017 MW |
3095 | (with-test-prefix "signed fixnum overflow" |
3096 | (pass-if (eqv? (* 65536 65536) 4294967296)) | |
3097 | (pass-if (eqv? (* -65536 65536) -4294967296)) | |
3098 | (pass-if (eqv? (* 65536 -65536) -4294967296)) | |
3099 | (pass-if (eqv? (* -65536 -65536) 4294967296)) | |
3100 | (pass-if (eqv? (* 4294967296 4294967296) 18446744073709551616)) | |
3101 | (pass-if (eqv? (* -4294967296 4294967296) -18446744073709551616)) | |
3102 | (pass-if (eqv? (* 4294967296 -4294967296) -18446744073709551616)) | |
3103 | (pass-if (eqv? (* -4294967296 -4294967296) 18446744073709551616))) | |
3104 | ||
c7218482 MW |
3105 | (with-test-prefix "signed zeroes" |
3106 | (pass-if (eqv? +0.0 (* +0.0 +0.0))) | |
3107 | (pass-if (eqv? -0.0 (* -0.0 +0.0))) | |
3108 | (pass-if (eqv? +0.0 (* -0.0 -0.0))) | |
3109 | (pass-if (eqv? -0.0 (* +0.0 -0.0))) | |
3110 | (pass-if (eqv? +0.0+0.0i (* +i +0.0))) | |
3111 | (pass-if (eqv? +0.0-0.0i (* -i +0.0))) | |
3112 | (pass-if (eqv? -0.0-0.0i (* +i -0.0))) | |
3113 | (pass-if (eqv? -0.0+0.0i (* -i -0.0)))) | |
3114 | ||
5e791807 MW |
3115 | (with-test-prefix "exactness propagation" |
3116 | (pass-if (eqv? -0.0 (* 0 -1.0 ))) | |
3117 | (pass-if (eqv? 0.0 (* 0 1.0 ))) | |
3118 | (pass-if (eqv? -0.0 (* -1.0 0 ))) | |
3119 | (pass-if (eqv? 0.0 (* 1.0 0 ))) | |
3120 | (pass-if (eqv? 0 (* 0 1/2 ))) | |
3121 | (pass-if (eqv? 0 (* 1/2 0 ))) | |
3122 | (pass-if (eqv? 0.0+0.0i (* 0 1+i ))) | |
3123 | (pass-if (eqv? 0.0+0.0i (* 1+i 0 ))) | |
3124 | (pass-if (eqv? -1.0 (* 1 -1.0 ))) | |
3125 | (pass-if (eqv? 1.0 (* 1 1.0 ))) | |
3126 | (pass-if (eqv? -1.0 (* -1.0 1 ))) | |
3127 | (pass-if (eqv? 1.0 (* 1.0 1 ))) | |
3128 | (pass-if (eqv? 1/2 (* 1 1/2 ))) | |
3129 | (pass-if (eqv? 1/2 (* 1/2 1 ))) | |
3130 | (pass-if (eqv? 1+i (* 1 1+i ))) | |
3131 | (pass-if (eqv? 1+i (* 1+i 1 )))) | |
3132 | ||
3133 | (with-test-prefix "propagation of NaNs" | |
3134 | (pass-if (real-nan? (* +nan.0 +nan.0))) | |
3135 | (pass-if (real-nan? (* +nan.0 1 ))) | |
3136 | (pass-if (real-nan? (* +nan.0 -1 ))) | |
3137 | (pass-if (real-nan? (* +nan.0 -7/2 ))) | |
3138 | (pass-if (real-nan? (* +nan.0 1e20 ))) | |
3139 | (pass-if (real-nan? (* 1 +nan.0))) | |
3140 | (pass-if (real-nan? (* -1 +nan.0))) | |
3141 | (pass-if (real-nan? (* -7/2 +nan.0))) | |
3142 | (pass-if (real-nan? (* 1e20 +nan.0))) | |
3143 | (pass-if (real-nan? (* +inf.0 +nan.0))) | |
3144 | (pass-if (real-nan? (* +nan.0 +inf.0))) | |
3145 | (pass-if (real-nan? (* -inf.0 +nan.0))) | |
3146 | (pass-if (real-nan? (* +nan.0 -inf.0))) | |
3147 | (pass-if (real-nan? (* (* fixnum-max 2) +nan.0))) | |
3148 | (pass-if (real-nan? (* +nan.0 (* fixnum-max 2)))) | |
3149 | ||
c7218482 MW |
3150 | (pass-if (real-nan? (* 0 +nan.0 ))) |
3151 | (pass-if (real-nan? (* +nan.0 0 ))) | |
3152 | (pass-if (almost-real-nan? (* 0 +nan.0+i))) | |
3153 | (pass-if (almost-real-nan? (* +nan.0+i 0 ))) | |
5e791807 MW |
3154 | |
3155 | (pass-if (imaginary-nan? (* 0 +nan.0i ))) | |
3156 | (pass-if (imaginary-nan? (* +nan.0i 0 ))) | |
3157 | (pass-if (imaginary-nan? (* 0 1+nan.0i ))) | |
3158 | (pass-if (imaginary-nan? (* 1+nan.0i 0 ))) | |
3159 | ||
3160 | (pass-if (complex-nan? (* 0 +nan.0+nan.0i ))) | |
3161 | (pass-if (complex-nan? (* +nan.0+nan.0i 0 )))) | |
3162 | ||
3163 | (with-test-prefix "infinities" | |
3164 | (pass-if (eqv? +inf.0 (* +inf.0 5 ))) | |
3165 | (pass-if (eqv? -inf.0 (* +inf.0 -5 ))) | |
3166 | (pass-if (eqv? +inf.0 (* +inf.0 73.1))) | |
3167 | (pass-if (eqv? -inf.0 (* +inf.0 -9.2))) | |
3168 | (pass-if (eqv? +inf.0 (* +inf.0 5/2))) | |
3169 | (pass-if (eqv? -inf.0 (* +inf.0 -5/2))) | |
3170 | (pass-if (eqv? -inf.0 (* -5 +inf.0))) | |
3171 | (pass-if (eqv? +inf.0 (* 73.1 +inf.0))) | |
3172 | (pass-if (eqv? -inf.0 (* -9.2 +inf.0))) | |
3173 | (pass-if (eqv? +inf.0 (* 5/2 +inf.0))) | |
3174 | (pass-if (eqv? -inf.0 (* -5/2 +inf.0))) | |
3175 | ||
3176 | (pass-if (eqv? -inf.0 (* -inf.0 5 ))) | |
3177 | (pass-if (eqv? +inf.0 (* -inf.0 -5 ))) | |
3178 | (pass-if (eqv? -inf.0 (* -inf.0 73.1))) | |
3179 | (pass-if (eqv? +inf.0 (* -inf.0 -9.2))) | |
3180 | (pass-if (eqv? -inf.0 (* -inf.0 5/2))) | |
3181 | (pass-if (eqv? +inf.0 (* -inf.0 -5/2))) | |
3182 | (pass-if (eqv? +inf.0 (* -5 -inf.0))) | |
3183 | (pass-if (eqv? -inf.0 (* 73.1 -inf.0))) | |
3184 | (pass-if (eqv? +inf.0 (* -9.2 -inf.0))) | |
3185 | (pass-if (eqv? -inf.0 (* 5/2 -inf.0))) | |
3186 | (pass-if (eqv? +inf.0 (* -5/2 -inf.0))) | |
3187 | ||
3188 | (pass-if (real-nan? (* 0.0 +inf.0))) | |
3189 | (pass-if (real-nan? (* -0.0 +inf.0))) | |
3190 | (pass-if (real-nan? (* +inf.0 0.0))) | |
3191 | (pass-if (real-nan? (* +inf.0 -0.0))) | |
3192 | ||
3193 | (pass-if (real-nan? (* 0.0 -inf.0))) | |
3194 | (pass-if (real-nan? (* -0.0 -inf.0))) | |
3195 | (pass-if (real-nan? (* -inf.0 0.0))) | |
3196 | (pass-if (real-nan? (* -inf.0 -0.0))) | |
3197 | ||
3198 | (pass-if (real-nan? (* 0 +inf.0 ))) | |
3199 | (pass-if (real-nan? (* +inf.0 0 ))) | |
5e791807 MW |
3200 | (pass-if (real-nan? (* 0 -inf.0 ))) |
3201 | (pass-if (real-nan? (* -inf.0 0 ))) | |
c7218482 MW |
3202 | |
3203 | (pass-if (almost-real-nan? (* 0 +inf.0+i))) | |
3204 | (pass-if (almost-real-nan? (* +inf.0+i 0 ))) | |
3205 | (pass-if (almost-real-nan? (* 0 -inf.0+i))) | |
3206 | (pass-if (almost-real-nan? (* -inf.0+i 0 ))) | |
5e791807 MW |
3207 | |
3208 | (pass-if (imaginary-nan? (* 0 +inf.0i ))) | |
3209 | (pass-if (imaginary-nan? (* +inf.0i 0 ))) | |
3210 | (pass-if (imaginary-nan? (* 0 1+inf.0i ))) | |
3211 | (pass-if (imaginary-nan? (* 1+inf.0i 0 ))) | |
3212 | ||
3213 | (pass-if (imaginary-nan? (* 0 -inf.0i ))) | |
3214 | (pass-if (imaginary-nan? (* -inf.0i 0 ))) | |
3215 | (pass-if (imaginary-nan? (* 0 1-inf.0i ))) | |
3216 | (pass-if (imaginary-nan? (* 1-inf.0i 0 ))) | |
3217 | ||
3218 | (pass-if (complex-nan? (* 0 +inf.0+inf.0i ))) | |
3219 | (pass-if (complex-nan? (* +inf.0+inf.0i 0 ))) | |
3220 | ||
3221 | (pass-if (complex-nan? (* 0 +inf.0-inf.0i ))) | |
3222 | (pass-if (complex-nan? (* -inf.0+inf.0i 0 )))) | |
3223 | ||
23d72566 KR |
3224 | (with-test-prefix "inum * bignum" |
3225 | ||
3226 | (pass-if "0 * 2^256 = 0" | |
3227 | (eqv? 0 (* 0 (ash 1 256))))) | |
3228 | ||
3229 | (with-test-prefix "inum * flonum" | |
3230 | ||
5e791807 MW |
3231 | (pass-if "0 * 1.0 = 0.0" |
3232 | (eqv? 0.0 (* 0 1.0)))) | |
23d72566 KR |
3233 | |
3234 | (with-test-prefix "inum * complex" | |
3235 | ||
5e791807 MW |
3236 | (pass-if "0 * 1+1i = 0.0+0.0i" |
3237 | (eqv? 0.0+0.0i (* 0 1+1i)))) | |
23d72566 KR |
3238 | |
3239 | (with-test-prefix "inum * frac" | |
3240 | ||
3241 | (pass-if "0 * 2/3 = 0" | |
3242 | (eqv? 0 (* 0 2/3)))) | |
3243 | ||
3244 | (with-test-prefix "bignum * inum" | |
3245 | ||
3246 | (pass-if "2^256 * 0 = 0" | |
3247 | (eqv? 0 (* (ash 1 256) 0)))) | |
3248 | ||
3249 | (with-test-prefix "flonum * inum" | |
5e791807 MW |
3250 | (pass-if "1.0 * 0 = 0.0" |
3251 | (eqv? 0.0 (* 1.0 0)))) | |
23d72566 KR |
3252 | |
3253 | (with-test-prefix "complex * inum" | |
5e791807 MW |
3254 | (pass-if "1+1i * 0 = 0.0+0.0i" |
3255 | (eqv? 0.0+0.0i (* 1+1i 0)))) | |
23d72566 | 3256 | |
65ea251e KR |
3257 | (pass-if "complex * bignum" |
3258 | (let ((big (ash 1 90))) | |
3259 | (= (make-rectangular big big) | |
23d72566 KR |
3260 | (* 1+1i big)))) |
3261 | ||
3262 | (with-test-prefix "frac * inum" | |
3263 | ||
3264 | (pass-if "2/3 * 0 = 0" | |
3265 | (eqv? 0 (* 2/3 0))))) | |
65ea251e | 3266 | |
f29b3454 DH |
3267 | ;;; |
3268 | ;;; / | |
3269 | ;;; | |
3270 | ||
1b3a7932 DH |
3271 | (with-test-prefix "/" |
3272 | ||
b5c40589 MW |
3273 | (with-test-prefix "double-negation of fixnum-min" |
3274 | (pass-if (= fixnum-min (/ (/ fixnum-min -1) -1))) | |
3275 | (pass-if (eqv? fixnum-min (/ (/ fixnum-min -1) -1))) | |
3276 | (pass-if (equal? fixnum-min (/ (/ fixnum-min -1) -1)))) | |
3277 | ||
d389e966 | 3278 | (pass-if "documented?" |
1b3a7932 DH |
3279 | (documented? /)) |
3280 | ||
3281 | (with-test-prefix "division by zero" | |
3282 | ||
3283 | (pass-if-exception "(/ 0)" | |
2f359170 | 3284 | exception:numerical-overflow |
1b3a7932 DH |
3285 | (/ 0)) |
3286 | ||
cdf52e3d MV |
3287 | (pass-if "(/ 0.0)" |
3288 | (= +inf.0 (/ 0.0))) | |
80074d77 | 3289 | |
1b3a7932 | 3290 | (pass-if-exception "(/ 1 0)" |
2f359170 | 3291 | exception:numerical-overflow |
80074d77 DH |
3292 | (/ 1 0)) |
3293 | ||
cdf52e3d MV |
3294 | (pass-if "(/ 1 0.0)" |
3295 | (= +inf.0 (/ 1 0.0))) | |
80074d77 DH |
3296 | |
3297 | (pass-if-exception "(/ bignum 0)" | |
2f359170 | 3298 | exception:numerical-overflow |
80074d77 DH |
3299 | (/ (+ fixnum-max 1) 0)) |
3300 | ||
cdf52e3d MV |
3301 | (pass-if "(/ bignum 0.0)" |
3302 | (= +inf.0 (/ (+ fixnum-max 1) 0.0))) | |
80074d77 DH |
3303 | |
3304 | (pass-if-exception "(/ 1.0 0)" | |
2f359170 | 3305 | exception:numerical-overflow |
80074d77 DH |
3306 | (/ 1.0 0)) |
3307 | ||
cdf52e3d MV |
3308 | (pass-if "(/ 1.0 0.0)" |
3309 | (= +inf.0 (/ 1.0 0.0))) | |
80074d77 DH |
3310 | |
3311 | (pass-if-exception "(/ +i 0)" | |
2f359170 | 3312 | exception:numerical-overflow |
80074d77 DH |
3313 | (/ +i 0)) |
3314 | ||
cdf52e3d MV |
3315 | (pass-if "(/ +i 0.0)" |
3316 | (= +inf.0 (imag-part (/ +i 0.0))))) | |
469b963c | 3317 | |
2f359170 KR |
3318 | (with-test-prefix "1/complex" |
3319 | ||
3320 | (pass-if "0+1i" | |
3321 | (eqv? 0-1i (/ 0+1i))) | |
3322 | ||
3323 | ;; in guile 1.6 through 1.6.7 this incorrectly resulted in nans | |
3324 | (pass-if "0-1i" | |
3325 | (eqv? 0+1i (/ 0-1i))) | |
3326 | ||
3327 | (pass-if "1+1i" | |
3328 | (eqv? 0.5-0.5i (/ 1+1i))) | |
3329 | ||
3330 | (pass-if "1-1i" | |
3331 | (eqv? 0.5+0.5i (/ 1-1i))) | |
3332 | ||
3333 | (pass-if "-1+1i" | |
3334 | (eqv? -0.5-0.5i (/ -1+1i))) | |
3335 | ||
3336 | (pass-if "-1-1i" | |
3337 | (eqv? -0.5+0.5i (/ -1-1i))) | |
469b963c MV |
3338 | |
3339 | (pass-if "(/ 3+4i)" | |
3340 | (= (/ 3+4i) 0.12-0.16i)) | |
3341 | ||
3342 | (pass-if "(/ 4+3i)" | |
3343 | (= (/ 4+3i) 0.16-0.12i)) | |
3344 | ||
2f359170 KR |
3345 | (pass-if "(/ 1e200+1e200i)" |
3346 | (= (/ 1e200+1e200i) 5.0e-201-5.0e-201i))) | |
469b963c | 3347 | |
2f359170 | 3348 | (with-test-prefix "inum/complex" |
469b963c MV |
3349 | |
3350 | (pass-if "(/ 25 3+4i)" | |
3351 | (= (/ 25 3+4i) 3.0-4.0i)) | |
3352 | ||
3353 | (pass-if "(/ 25 4+3i)" | |
2f359170 | 3354 | (= (/ 25 4+3i) 4.0-3.0i))) |
469b963c | 3355 | |
2f359170 KR |
3356 | (with-test-prefix "complex/complex" |
3357 | ||
3358 | (pass-if "(/ 25+125i 3+4i)" | |
3359 | (= (/ 25+125i 3+4i) 23.0+11.0i)) | |
3360 | ||
3361 | (pass-if "(/ 25+125i 4+3i)" | |
3362 | (= (/ 25+125i 4+3i) 19.0+17.0i)))) | |
1b3a7932 | 3363 | |
8b56bcec MW |
3364 | ;;; |
3365 | ;;; floor | |
3366 | ;;; | |
3367 | ||
3368 | (with-test-prefix "floor" | |
3369 | (pass-if (= 1 (floor 1.75))) | |
3370 | (pass-if (= 1 (floor 1.5))) | |
3371 | (pass-if (= 1 (floor 1.25))) | |
3372 | (pass-if (= 0 (floor 0.75))) | |
3373 | (pass-if (= 0 (floor 0.5))) | |
3374 | (pass-if (= 0 (floor 0.0))) | |
3375 | (pass-if (= -1 (floor -0.5))) | |
3376 | (pass-if (= -2 (floor -1.25))) | |
3377 | (pass-if (= -2 (floor -1.5))) | |
3378 | ||
3379 | (with-test-prefix "inum" | |
3380 | (pass-if "0" | |
3381 | (and (= 0 (floor 0)) | |
3382 | (exact? (floor 0)))) | |
3383 | ||
3384 | (pass-if "1" | |
3385 | (and (= 1 (floor 1)) | |
3386 | (exact? (floor 1)))) | |
3387 | ||
3388 | (pass-if "-1" | |
3389 | (and (= -1 (floor -1)) | |
3390 | (exact? (floor -1))))) | |
3391 | ||
3392 | (with-test-prefix "bignum" | |
3393 | (let ((x (1+ most-positive-fixnum))) | |
3394 | (pass-if "(1+ most-positive-fixnum)" | |
3395 | (and (= x (floor x)) | |
3396 | (exact? (floor x))))) | |
3397 | ||
3398 | (let ((x (1- most-negative-fixnum))) | |
3399 | (pass-if "(1- most-negative-fixnum)" | |
3400 | (and (= x (floor x)) | |
3401 | (exact? (floor x)))))) | |
3402 | ||
3403 | (with-test-prefix "frac" | |
3404 | (define (=exact x y) | |
3405 | (and (= x y) | |
3406 | (exact? y))) | |
3407 | ||
3408 | (pass-if (=exact -3 (floor -7/3))) | |
3409 | (pass-if (=exact -2 (floor -5/3))) | |
3410 | (pass-if (=exact -2 (floor -4/3))) | |
3411 | (pass-if (=exact -1 (floor -2/3))) | |
3412 | (pass-if (=exact -1 (floor -1/3))) | |
3413 | (pass-if (=exact 0 (floor 1/3))) | |
3414 | (pass-if (=exact 0 (floor 2/3))) | |
3415 | (pass-if (=exact 1 (floor 4/3))) | |
3416 | (pass-if (=exact 1 (floor 5/3))) | |
3417 | (pass-if (=exact 2 (floor 7/3))) | |
3418 | ||
3419 | (pass-if (=exact -3 (floor -17/6))) | |
3420 | (pass-if (=exact -3 (floor -16/6))) | |
3421 | (pass-if (=exact -3 (floor -15/6))) | |
3422 | (pass-if (=exact -3 (floor -14/6))) | |
3423 | (pass-if (=exact -3 (floor -13/6))) | |
3424 | (pass-if (=exact -2 (floor -11/6))) | |
3425 | (pass-if (=exact -2 (floor -10/6))) | |
3426 | (pass-if (=exact -2 (floor -9/6))) | |
3427 | (pass-if (=exact -2 (floor -8/6))) | |
3428 | (pass-if (=exact -2 (floor -7/6))) | |
3429 | (pass-if (=exact -1 (floor -5/6))) | |
3430 | (pass-if (=exact -1 (floor -4/6))) | |
3431 | (pass-if (=exact -1 (floor -3/6))) | |
3432 | (pass-if (=exact -1 (floor -2/6))) | |
3433 | (pass-if (=exact -1 (floor -1/6))) | |
3434 | (pass-if (=exact 0 (floor 1/6))) | |
3435 | (pass-if (=exact 0 (floor 2/6))) | |
3436 | (pass-if (=exact 0 (floor 3/6))) | |
3437 | (pass-if (=exact 0 (floor 4/6))) | |
3438 | (pass-if (=exact 0 (floor 5/6))) | |
3439 | (pass-if (=exact 1 (floor 7/6))) | |
3440 | (pass-if (=exact 1 (floor 8/6))) | |
3441 | (pass-if (=exact 1 (floor 9/6))) | |
3442 | (pass-if (=exact 1 (floor 10/6))) | |
3443 | (pass-if (=exact 1 (floor 11/6))) | |
3444 | (pass-if (=exact 2 (floor 13/6))) | |
3445 | (pass-if (=exact 2 (floor 14/6))) | |
3446 | (pass-if (=exact 2 (floor 15/6))) | |
3447 | (pass-if (=exact 2 (floor 16/6))) | |
3448 | (pass-if (=exact 2 (floor 17/6)))) | |
3449 | ||
3450 | (with-test-prefix "real" | |
3451 | (pass-if "0.0" | |
3452 | (and (= 0.0 (floor 0.0)) | |
3453 | (inexact? (floor 0.0)))) | |
3454 | ||
3455 | (pass-if "1.0" | |
3456 | (and (= 1.0 (floor 1.0)) | |
3457 | (inexact? (floor 1.0)))) | |
3458 | ||
3459 | (pass-if "-1.0" | |
3460 | (and (= -1.0 (floor -1.0)) | |
3461 | (inexact? (floor -1.0)))) | |
3462 | ||
3463 | (pass-if "-3.1" | |
3464 | (and (= -4.0 (floor -3.1)) | |
3465 | (inexact? (floor -3.1)))) | |
3466 | ||
3467 | (pass-if "3.1" | |
3468 | (and (= 3.0 (floor 3.1)) | |
3469 | (inexact? (floor 3.1)))) | |
3470 | ||
3471 | (pass-if "3.9" | |
3472 | (and (= 3.0 (floor 3.9)) | |
3473 | (inexact? (floor 3.9)))) | |
3474 | ||
3475 | (pass-if "-3.9" | |
3476 | (and (= -4.0 (floor -3.9)) | |
3477 | (inexact? (floor -3.9)))) | |
3478 | ||
3479 | (pass-if "1.5" | |
3480 | (and (= 1.0 (floor 1.5)) | |
3481 | (inexact? (floor 1.5)))) | |
3482 | ||
3483 | (pass-if "2.5" | |
3484 | (and (= 2.0 (floor 2.5)) | |
3485 | (inexact? (floor 2.5)))) | |
3486 | ||
3487 | (pass-if "3.5" | |
3488 | (and (= 3.0 (floor 3.5)) | |
3489 | (inexact? (floor 3.5)))) | |
3490 | ||
3491 | (pass-if "-1.5" | |
3492 | (and (= -2.0 (floor -1.5)) | |
3493 | (inexact? (floor -1.5)))) | |
3494 | ||
3495 | (pass-if "-2.5" | |
3496 | (and (= -3.0 (floor -2.5)) | |
3497 | (inexact? (floor -2.5)))) | |
3498 | ||
3499 | (pass-if "-3.5" | |
3500 | (and (= -4.0 (floor -3.5)) | |
3501 | (inexact? (floor -3.5)))))) | |
3502 | ||
3503 | ;;; | |
3504 | ;;; ceiling | |
3505 | ;;; | |
3506 | ||
3507 | (with-test-prefix "ceiling" | |
3508 | (pass-if (= 2 (ceiling 1.75))) | |
3509 | (pass-if (= 2 (ceiling 1.5))) | |
3510 | (pass-if (= 2 (ceiling 1.25))) | |
3511 | (pass-if (= 1 (ceiling 0.75))) | |
3512 | (pass-if (= 1 (ceiling 0.5))) | |
3513 | (pass-if (= 0 (ceiling 0.0))) | |
3514 | (pass-if (= 0 (ceiling -0.5))) | |
3515 | (pass-if (= -1 (ceiling -1.25))) | |
3516 | (pass-if (= -1 (ceiling -1.5))) | |
3517 | ||
3518 | (with-test-prefix "inum" | |
3519 | (pass-if "0" | |
3520 | (and (= 0 (ceiling 0)) | |
3521 | (exact? (ceiling 0)))) | |
3522 | ||
3523 | (pass-if "1" | |
3524 | (and (= 1 (ceiling 1)) | |
3525 | (exact? (ceiling 1)))) | |
3526 | ||
3527 | (pass-if "-1" | |
3528 | (and (= -1 (ceiling -1)) | |
3529 | (exact? (ceiling -1))))) | |
3530 | ||
3531 | (with-test-prefix "bignum" | |
3532 | (let ((x (1+ most-positive-fixnum))) | |
3533 | (pass-if "(1+ most-positive-fixnum)" | |
3534 | (and (= x (ceiling x)) | |
3535 | (exact? (ceiling x))))) | |
3536 | ||
3537 | (let ((x (1- most-negative-fixnum))) | |
3538 | (pass-if "(1- most-negative-fixnum)" | |
3539 | (and (= x (ceiling x)) | |
3540 | (exact? (ceiling x)))))) | |
3541 | ||
3542 | (with-test-prefix "frac" | |
3543 | (define (=exact x y) | |
3544 | (and (= x y) | |
3545 | (exact? y))) | |
3546 | ||
3547 | (pass-if (=exact -2 (ceiling -7/3))) | |
3548 | (pass-if (=exact -1 (ceiling -5/3))) | |
3549 | (pass-if (=exact -1 (ceiling -4/3))) | |
3550 | (pass-if (=exact 0 (ceiling -2/3))) | |
3551 | (pass-if (=exact 0 (ceiling -1/3))) | |
3552 | (pass-if (=exact 1 (ceiling 1/3))) | |
3553 | (pass-if (=exact 1 (ceiling 2/3))) | |
3554 | (pass-if (=exact 2 (ceiling 4/3))) | |
3555 | (pass-if (=exact 2 (ceiling 5/3))) | |
3556 | (pass-if (=exact 3 (ceiling 7/3))) | |
3557 | ||
3558 | (pass-if (=exact -2 (ceiling -17/6))) | |
3559 | (pass-if (=exact -2 (ceiling -16/6))) | |
3560 | (pass-if (=exact -2 (ceiling -15/6))) | |
3561 | (pass-if (=exact -2 (ceiling -14/6))) | |
3562 | (pass-if (=exact -2 (ceiling -13/6))) | |
3563 | (pass-if (=exact -1 (ceiling -11/6))) | |
3564 | (pass-if (=exact -1 (ceiling -10/6))) | |
3565 | (pass-if (=exact -1 (ceiling -9/6))) | |
3566 | (pass-if (=exact -1 (ceiling -8/6))) | |
3567 | (pass-if (=exact -1 (ceiling -7/6))) | |
3568 | (pass-if (=exact 0 (ceiling -5/6))) | |
3569 | (pass-if (=exact 0 (ceiling -4/6))) | |
3570 | (pass-if (=exact 0 (ceiling -3/6))) | |
3571 | (pass-if (=exact 0 (ceiling -2/6))) | |
3572 | (pass-if (=exact 0 (ceiling -1/6))) | |
3573 | (pass-if (=exact 1 (ceiling 1/6))) | |
3574 | (pass-if (=exact 1 (ceiling 2/6))) | |
3575 | (pass-if (=exact 1 (ceiling 3/6))) | |
3576 | (pass-if (=exact 1 (ceiling 4/6))) | |
3577 | (pass-if (=exact 1 (ceiling 5/6))) | |
3578 | (pass-if (=exact 2 (ceiling 7/6))) | |
3579 | (pass-if (=exact 2 (ceiling 8/6))) | |
3580 | (pass-if (=exact 2 (ceiling 9/6))) | |
3581 | (pass-if (=exact 2 (ceiling 10/6))) | |
3582 | (pass-if (=exact 2 (ceiling 11/6))) | |
3583 | (pass-if (=exact 3 (ceiling 13/6))) | |
3584 | (pass-if (=exact 3 (ceiling 14/6))) | |
3585 | (pass-if (=exact 3 (ceiling 15/6))) | |
3586 | (pass-if (=exact 3 (ceiling 16/6))) | |
3587 | (pass-if (=exact 3 (ceiling 17/6)))) | |
3588 | ||
3589 | (with-test-prefix "real" | |
3590 | (pass-if "0.0" | |
3591 | (and (= 0.0 (ceiling 0.0)) | |
3592 | (inexact? (ceiling 0.0)))) | |
3593 | ||
3594 | (pass-if "1.0" | |
3595 | (and (= 1.0 (ceiling 1.0)) | |
3596 | (inexact? (ceiling 1.0)))) | |
3597 | ||
3598 | (pass-if "-1.0" | |
3599 | (and (= -1.0 (ceiling -1.0)) | |
3600 | (inexact? (ceiling -1.0)))) | |
3601 | ||
3602 | (pass-if "-3.1" | |
3603 | (and (= -3.0 (ceiling -3.1)) | |
3604 | (inexact? (ceiling -3.1)))) | |
3605 | ||
3606 | (pass-if "3.1" | |
3607 | (and (= 4.0 (ceiling 3.1)) | |
3608 | (inexact? (ceiling 3.1)))) | |
3609 | ||
3610 | (pass-if "3.9" | |
3611 | (and (= 4.0 (ceiling 3.9)) | |
3612 | (inexact? (ceiling 3.9)))) | |
3613 | ||
3614 | (pass-if "-3.9" | |
3615 | (and (= -3.0 (ceiling -3.9)) | |
3616 | (inexact? (ceiling -3.9)))) | |
3617 | ||
3618 | (pass-if "1.5" | |
3619 | (and (= 2.0 (ceiling 1.5)) | |
3620 | (inexact? (ceiling 1.5)))) | |
3621 | ||
3622 | (pass-if "2.5" | |
3623 | (and (= 3.0 (ceiling 2.5)) | |
3624 | (inexact? (ceiling 2.5)))) | |
3625 | ||
3626 | (pass-if "3.5" | |
3627 | (and (= 4.0 (ceiling 3.5)) | |
3628 | (inexact? (ceiling 3.5)))) | |
3629 | ||
3630 | (pass-if "-1.5" | |
3631 | (and (= -1.0 (ceiling -1.5)) | |
3632 | (inexact? (ceiling -1.5)))) | |
3633 | ||
3634 | (pass-if "-2.5" | |
3635 | (and (= -2.0 (ceiling -2.5)) | |
3636 | (inexact? (ceiling -2.5)))) | |
3637 | ||
3638 | (pass-if "-3.5" | |
3639 | (and (= -3.0 (ceiling -3.5)) | |
3640 | (inexact? (ceiling -3.5)))))) | |
3641 | ||
f29b3454 DH |
3642 | ;;; |
3643 | ;;; truncate | |
3644 | ;;; | |
3645 | ||
14a6784c KR |
3646 | (with-test-prefix "truncate" |
3647 | (pass-if (= 1 (truncate 1.75))) | |
3648 | (pass-if (= 1 (truncate 1.5))) | |
3649 | (pass-if (= 1 (truncate 1.25))) | |
3650 | (pass-if (= 0 (truncate 0.75))) | |
3651 | (pass-if (= 0 (truncate 0.5))) | |
3652 | (pass-if (= 0 (truncate 0.0))) | |
3653 | (pass-if (= 0 (truncate -0.5))) | |
3654 | (pass-if (= -1 (truncate -1.25))) | |
8b56bcec MW |
3655 | (pass-if (= -1 (truncate -1.5))) |
3656 | ||
3657 | (with-test-prefix "inum" | |
3658 | (pass-if "0" | |
3659 | (and (= 0 (truncate 0)) | |
3660 | (exact? (truncate 0)))) | |
3661 | ||
3662 | (pass-if "1" | |
3663 | (and (= 1 (truncate 1)) | |
3664 | (exact? (truncate 1)))) | |
3665 | ||
3666 | (pass-if "-1" | |
3667 | (and (= -1 (truncate -1)) | |
3668 | (exact? (truncate -1))))) | |
3669 | ||
3670 | (with-test-prefix "bignum" | |
3671 | (let ((x (1+ most-positive-fixnum))) | |
3672 | (pass-if "(1+ most-positive-fixnum)" | |
3673 | (and (= x (truncate x)) | |
3674 | (exact? (truncate x))))) | |
3675 | ||
3676 | (let ((x (1- most-negative-fixnum))) | |
3677 | (pass-if "(1- most-negative-fixnum)" | |
3678 | (and (= x (truncate x)) | |
3679 | (exact? (truncate x)))))) | |
3680 | ||
3681 | (with-test-prefix "frac" | |
3682 | (define (=exact x y) | |
3683 | (and (= x y) | |
3684 | (exact? y))) | |
3685 | ||
3686 | (pass-if (=exact -2 (truncate -7/3))) | |
3687 | (pass-if (=exact -1 (truncate -5/3))) | |
3688 | (pass-if (=exact -1 (truncate -4/3))) | |
3689 | (pass-if (=exact 0 (truncate -2/3))) | |
3690 | (pass-if (=exact 0 (truncate -1/3))) | |
3691 | (pass-if (=exact 0 (truncate 1/3))) | |
3692 | (pass-if (=exact 0 (truncate 2/3))) | |
3693 | (pass-if (=exact 1 (truncate 4/3))) | |
3694 | (pass-if (=exact 1 (truncate 5/3))) | |
3695 | (pass-if (=exact 2 (truncate 7/3))) | |
3696 | ||
3697 | (pass-if (=exact -2 (truncate -17/6))) | |
3698 | (pass-if (=exact -2 (truncate -16/6))) | |
3699 | (pass-if (=exact -2 (truncate -15/6))) | |
3700 | (pass-if (=exact -2 (truncate -14/6))) | |
3701 | (pass-if (=exact -2 (truncate -13/6))) | |
3702 | (pass-if (=exact -1 (truncate -11/6))) | |
3703 | (pass-if (=exact -1 (truncate -10/6))) | |
3704 | (pass-if (=exact -1 (truncate -9/6))) | |
3705 | (pass-if (=exact -1 (truncate -8/6))) | |
3706 | (pass-if (=exact -1 (truncate -7/6))) | |
3707 | (pass-if (=exact 0 (truncate -5/6))) | |
3708 | (pass-if (=exact 0 (truncate -4/6))) | |
3709 | (pass-if (=exact 0 (truncate -3/6))) | |
3710 | (pass-if (=exact 0 (truncate -2/6))) | |
3711 | (pass-if (=exact 0 (truncate -1/6))) | |
3712 | (pass-if (=exact 0 (truncate 1/6))) | |
3713 | (pass-if (=exact 0 (truncate 2/6))) | |
3714 | (pass-if (=exact 0 (truncate 3/6))) | |
3715 | (pass-if (=exact 0 (truncate 4/6))) | |
3716 | (pass-if (=exact 0 (truncate 5/6))) | |
3717 | (pass-if (=exact 1 (truncate 7/6))) | |
3718 | (pass-if (=exact 1 (truncate 8/6))) | |
3719 | (pass-if (=exact 1 (truncate 9/6))) | |
3720 | (pass-if (=exact 1 (truncate 10/6))) | |
3721 | (pass-if (=exact 1 (truncate 11/6))) | |
3722 | (pass-if (=exact 2 (truncate 13/6))) | |
3723 | (pass-if (=exact 2 (truncate 14/6))) | |
3724 | (pass-if (=exact 2 (truncate 15/6))) | |
3725 | (pass-if (=exact 2 (truncate 16/6))) | |
3726 | (pass-if (=exact 2 (truncate 17/6)))) | |
3727 | ||
3728 | (with-test-prefix "real" | |
3729 | (pass-if "0.0" | |
3730 | (and (= 0.0 (truncate 0.0)) | |
3731 | (inexact? (truncate 0.0)))) | |
3732 | ||
3733 | (pass-if "1.0" | |
3734 | (and (= 1.0 (truncate 1.0)) | |
3735 | (inexact? (truncate 1.0)))) | |
3736 | ||
3737 | (pass-if "-1.0" | |
3738 | (and (= -1.0 (truncate -1.0)) | |
3739 | (inexact? (truncate -1.0)))) | |
3740 | ||
3741 | (pass-if "-3.1" | |
3742 | (and (= -3.0 (truncate -3.1)) | |
3743 | (inexact? (truncate -3.1)))) | |
3744 | ||
3745 | (pass-if "3.1" | |
3746 | (and (= 3.0 (truncate 3.1)) | |
3747 | (inexact? (truncate 3.1)))) | |
3748 | ||
3749 | (pass-if "3.9" | |
3750 | (and (= 3.0 (truncate 3.9)) | |
3751 | (inexact? (truncate 3.9)))) | |
3752 | ||
3753 | (pass-if "-3.9" | |
3754 | (and (= -3.0 (truncate -3.9)) | |
3755 | (inexact? (truncate -3.9)))) | |
3756 | ||
3757 | (pass-if "1.5" | |
3758 | (and (= 1.0 (truncate 1.5)) | |
3759 | (inexact? (truncate 1.5)))) | |
3760 | ||
3761 | (pass-if "2.5" | |
3762 | (and (= 2.0 (truncate 2.5)) | |
3763 | (inexact? (truncate 2.5)))) | |
3764 | ||
3765 | (pass-if "3.5" | |
3766 | (and (= 3.0 (truncate 3.5)) | |
3767 | (inexact? (truncate 3.5)))) | |
3768 | ||
3769 | (pass-if "-1.5" | |
3770 | (and (= -1.0 (truncate -1.5)) | |
3771 | (inexact? (truncate -1.5)))) | |
3772 | ||
3773 | (pass-if "-2.5" | |
3774 | (and (= -2.0 (truncate -2.5)) | |
3775 | (inexact? (truncate -2.5)))) | |
3776 | ||
3777 | (pass-if "-3.5" | |
3778 | (and (= -3.0 (truncate -3.5)) | |
3779 | (inexact? (truncate -3.5)))))) | |
14a6784c | 3780 | |
f29b3454 DH |
3781 | ;;; |
3782 | ;;; round | |
3783 | ;;; | |
3784 | ||
14a6784c KR |
3785 | (with-test-prefix "round" |
3786 | (pass-if (= 2 (round 1.75))) | |
3787 | (pass-if (= 2 (round 1.5))) | |
3788 | (pass-if (= 1 (round 1.25))) | |
3789 | (pass-if (= 1 (round 0.75))) | |
3790 | (pass-if (= 0 (round 0.5))) | |
3791 | (pass-if (= 0 (round 0.0))) | |
3792 | (pass-if (= 0 (round -0.5))) | |
3793 | (pass-if (= -1 (round -1.25))) | |
abff733b KR |
3794 | (pass-if (= -2 (round -1.5))) |
3795 | ||
3796 | (with-test-prefix "inum" | |
3797 | (pass-if "0" | |
3798 | (and (= 0 (round 0)) | |
3799 | (exact? (round 0)))) | |
3800 | ||
3801 | (pass-if "1" | |
3802 | (and (= 1 (round 1)) | |
3803 | (exact? (round 1)))) | |
3804 | ||
3805 | (pass-if "-1" | |
3806 | (and (= -1 (round -1)) | |
3807 | (exact? (round -1))))) | |
3808 | ||
3809 | (with-test-prefix "bignum" | |
3810 | (let ((x (1+ most-positive-fixnum))) | |
3811 | (pass-if "(1+ most-positive-fixnum)" | |
3812 | (and (= x (round x)) | |
3813 | (exact? (round x))))) | |
3814 | ||
3815 | (let ((x (1- most-negative-fixnum))) | |
3816 | (pass-if "(1- most-negative-fixnum)" | |
3817 | (and (= x (round x)) | |
3818 | (exact? (round x)))))) | |
3819 | ||
6203b5f5 KR |
3820 | (with-test-prefix "frac" |
3821 | (define (=exact x y) | |
3822 | (and (= x y) | |
3823 | (exact? y))) | |
3824 | ||
3825 | (pass-if (=exact -2 (round -7/3))) | |
3826 | (pass-if (=exact -2 (round -5/3))) | |
3827 | (pass-if (=exact -1 (round -4/3))) | |
3828 | (pass-if (=exact -1 (round -2/3))) | |
3829 | (pass-if (=exact 0 (round -1/3))) | |
3830 | (pass-if (=exact 0 (round 1/3))) | |
3831 | (pass-if (=exact 1 (round 2/3))) | |
3832 | (pass-if (=exact 1 (round 4/3))) | |
3833 | (pass-if (=exact 2 (round 5/3))) | |
3834 | (pass-if (=exact 2 (round 7/3))) | |
3835 | ||
3836 | (pass-if (=exact -3 (round -17/6))) | |
3837 | (pass-if (=exact -3 (round -16/6))) | |
3838 | (pass-if (=exact -2 (round -15/6))) | |
3839 | (pass-if (=exact -2 (round -14/6))) | |
3840 | (pass-if (=exact -2 (round -13/6))) | |
3841 | (pass-if (=exact -2 (round -11/6))) | |
3842 | (pass-if (=exact -2 (round -10/6))) | |
3843 | (pass-if (=exact -2 (round -9/6))) | |
3844 | (pass-if (=exact -1 (round -8/6))) | |
3845 | (pass-if (=exact -1 (round -7/6))) | |
3846 | (pass-if (=exact -1 (round -5/6))) | |
3847 | (pass-if (=exact -1 (round -4/6))) | |
3848 | (pass-if (=exact 0 (round -3/6))) | |
3849 | (pass-if (=exact 0 (round -2/6))) | |
3850 | (pass-if (=exact 0 (round -1/6))) | |
3851 | (pass-if (=exact 0 (round 1/6))) | |
3852 | (pass-if (=exact 0 (round 2/6))) | |
3853 | (pass-if (=exact 0 (round 3/6))) | |
3854 | (pass-if (=exact 1 (round 4/6))) | |
3855 | (pass-if (=exact 1 (round 5/6))) | |
3856 | (pass-if (=exact 1 (round 7/6))) | |
3857 | (pass-if (=exact 1 (round 8/6))) | |
3858 | (pass-if (=exact 2 (round 9/6))) | |
3859 | (pass-if (=exact 2 (round 10/6))) | |
3860 | (pass-if (=exact 2 (round 11/6))) | |
3861 | (pass-if (=exact 2 (round 13/6))) | |
3862 | (pass-if (=exact 2 (round 14/6))) | |
3863 | (pass-if (=exact 2 (round 15/6))) | |
3864 | (pass-if (=exact 3 (round 16/6))) | |
3865 | (pass-if (=exact 3 (round 17/6)))) | |
3866 | ||
abff733b KR |
3867 | (with-test-prefix "real" |
3868 | (pass-if "0.0" | |
3869 | (and (= 0.0 (round 0.0)) | |
3870 | (inexact? (round 0.0)))) | |
3871 | ||
3872 | (pass-if "1.0" | |
3873 | (and (= 1.0 (round 1.0)) | |
3874 | (inexact? (round 1.0)))) | |
3875 | ||
3876 | (pass-if "-1.0" | |
3877 | (and (= -1.0 (round -1.0)) | |
3878 | (inexact? (round -1.0)))) | |
3879 | ||
3880 | (pass-if "-3.1" | |
3881 | (and (= -3.0 (round -3.1)) | |
3882 | (inexact? (round -3.1)))) | |
3883 | ||
3884 | (pass-if "3.1" | |
3885 | (and (= 3.0 (round 3.1)) | |
3886 | (inexact? (round 3.1)))) | |
3887 | ||
3888 | (pass-if "3.9" | |
3889 | (and (= 4.0 (round 3.9)) | |
3890 | (inexact? (round 3.9)))) | |
3891 | ||
3892 | (pass-if "-3.9" | |
3893 | (and (= -4.0 (round -3.9)) | |
3894 | (inexact? (round -3.9)))) | |
3895 | ||
3896 | (pass-if "1.5" | |
3897 | (and (= 2.0 (round 1.5)) | |
3898 | (inexact? (round 1.5)))) | |
3899 | ||
3900 | (pass-if "2.5" | |
3901 | (and (= 2.0 (round 2.5)) | |
3902 | (inexact? (round 2.5)))) | |
3903 | ||
3904 | (pass-if "3.5" | |
3905 | (and (= 4.0 (round 3.5)) | |
3906 | (inexact? (round 3.5)))) | |
3907 | ||
3908 | (pass-if "-1.5" | |
3909 | (and (= -2.0 (round -1.5)) | |
3910 | (inexact? (round -1.5)))) | |
3911 | ||
3912 | (pass-if "-2.5" | |
3913 | (and (= -2.0 (round -2.5)) | |
3914 | (inexact? (round -2.5)))) | |
3915 | ||
3916 | (pass-if "-3.5" | |
3917 | (and (= -4.0 (round -3.5)) | |
3918 | (inexact? (round -3.5)))) | |
3919 | ||
3920 | ;; prior to guile 1.6.5, on an IEEE system an inexact 2^53-1 (ie. a | |
3921 | ;; float with mantissa all ones) came out as 2^53 from `round' (except | |
3922 | ;; on i386 and m68k systems using the coprocessor and optimizing, where | |
3923 | ;; extra precision hid the problem) | |
3924 | (pass-if "2^53-1" | |
3925 | (let ((x (exact->inexact (1- (ash 1 53))))) | |
3926 | (and (= x (round x)) | |
3927 | (inexact? (round x))))) | |
3928 | (pass-if "-(2^53-1)" | |
3929 | (let ((x (exact->inexact (- (1- (ash 1 53)))))) | |
3930 | (and (= x (round x)) | |
3931 | (inexact? (round x))))))) | |
14a6784c | 3932 | |
f29b3454 DH |
3933 | ;;; |
3934 | ;;; exact->inexact | |
3935 | ;;; | |
3936 | ||
a1fb3b1c | 3937 | (with-test-prefix "exact->inexact" |
1eb6a33a MW |
3938 | |
3939 | ;; Test "(exact->inexact n)", expect "want". | |
3940 | (define (test name n want) | |
3941 | (with-test-prefix name | |
3942 | (pass-if-equal "pos" want (exact->inexact n)) | |
3943 | (pass-if-equal "neg" (- want) (exact->inexact (- n))))) | |
3944 | ||
a1fb3b1c KR |
3945 | ;; Test "(exact->inexact n)", expect "want". |
3946 | ;; "i" is a index, for diagnostic purposes. | |
3947 | (define (try-i i n want) | |
1eb6a33a | 3948 | (test (list i n want) n want)) |
a1fb3b1c KR |
3949 | |
3950 | (with-test-prefix "2^i, no round" | |
3951 | (do ((i 0 (1+ i)) | |
3952 | (n 1 (* 2 n)) | |
3953 | (want 1.0 (* 2.0 want))) | |
3954 | ((> i 100)) | |
3955 | (try-i i n want))) | |
3956 | ||
3957 | (with-test-prefix "2^i+1, no round" | |
3958 | (do ((i 1 (1+ i)) | |
3959 | (n 3 (1- (* 2 n))) | |
3960 | (want 3.0 (- (* 2.0 want) 1.0))) | |
3961 | ((>= i dbl-mant-dig)) | |
3962 | (try-i i n want))) | |
3963 | ||
3964 | (with-test-prefix "(2^i+1)*2^100, no round" | |
3965 | (do ((i 1 (1+ i)) | |
3966 | (n 3 (1- (* 2 n))) | |
3967 | (want 3.0 (- (* 2.0 want) 1.0))) | |
3968 | ((>= i dbl-mant-dig)) | |
3969 | (try-i i (ash n 100) (ash-flo want 100)))) | |
3970 | ||
3971 | ;; bit pattern: 1111....11100.00 | |
3972 | ;; <-mantdig-><-i-> | |
3973 | ;; | |
3974 | (with-test-prefix "mantdig ones then zeros, no rounding" | |
3975 | (do ((i 0 (1+ i)) | |
3976 | (n (- (ash 1 dbl-mant-dig) 1) (* 2 n)) | |
3977 | (want (- (ash-flo 1.0 dbl-mant-dig) 1.0) (* 2.0 want))) | |
3978 | ((> i 100)) | |
3979 | (try-i i n want))) | |
3980 | ||
3981 | ;; bit pattern: 1111....111011..1 | |
3982 | ;; <-mantdig-> <-i-> | |
3983 | ;; This sort of value was incorrectly rounded upwards in Guile 1.6.4 when | |
3984 | ;; i >= 11 (that's when the total is 65 or more bits). | |
3985 | ;; | |
3986 | (with-test-prefix "mantdig ones then 011..11, round down" | |
3987 | (do ((i 0 (1+ i)) | |
3988 | (n (- (ash 1 (+ 1 dbl-mant-dig)) 2) (+ 1 (* 2 n))) | |
3989 | (want (- (ash-flo 1.0 (+ 1 dbl-mant-dig)) 2.0) (* 2.0 want))) | |
3990 | ((> i 100)) | |
3991 | (try-i i n want))) | |
3992 | ||
3993 | ;; bit pattern: 1111....111100..001 | |
3994 | ;; <-mantdig-> <--i-> | |
3995 | ;; | |
3996 | (with-test-prefix "mantdig ones then 100..001, round up" | |
3997 | (do ((i 0 (1+ i)) | |
3998 | (n (- (ash 1 (+ 2 dbl-mant-dig)) 1) (1- (* 2 n))) | |
3999 | (want (ash-flo 1.0 (+ 2 dbl-mant-dig)) (* 2.0 want))) | |
4000 | ((> i 100)) | |
4001 | (try-i i n want))) | |
4002 | ||
4003 | ;; bit pattern: 1000....000100..001 | |
4004 | ;; <-mantdig-> <--i-> | |
4005 | ;; | |
4006 | (with-test-prefix "2^mantdig then 100..001, round up" | |
4007 | (do ((i 0 (1+ i)) | |
4008 | (n (- (ash 1 (+ 2 dbl-mant-dig)) 1) (1- (* 2 n))) | |
4009 | (want (+ (ash-flo 1.0 (+ 2 dbl-mant-dig)) 4.0) (* 2.0 want))) | |
4010 | ((> i 100)) | |
23f2b9a3 KR |
4011 | (try-i i n want))) |
4012 | ||
4013 | (pass-if "frac big/big" | |
4014 | (let ((big (ash 1 256))) | |
4015 | (= 1.0 (exact->inexact (/ (1+ big) big))))) | |
4016 | ||
4017 | ;; In guile 1.8.0 this failed, giving back "nan" because it tried to | |
4018 | ;; convert the num and den to doubles, resulting in infs. | |
4019 | (pass-if "frac big/big, exceeding double" | |
4020 | (let ((big (ash 1 4096))) | |
1eb6a33a MW |
4021 | (= 1.0 (exact->inexact (/ (1+ big) big))))) |
4022 | ||
4023 | (test "round up to odd" | |
4024 | ;; ===================================================== | |
4025 | ;; 11111111111111111111111111111111111111111111111111000101 -> | |
4026 | ;; 11111111111111111111111111111111111111111111111111001000 | |
4027 | (+ (expt 2 (+ dbl-mant-dig 3)) -64 #b000101) | |
4028 | (+ (expt 2.0 (+ dbl-mant-dig 3)) -64 #b001000)) | |
4029 | ||
4030 | (test "round down to odd" | |
4031 | ;; ===================================================== | |
4032 | ;; 11111111111111111111111111111111111111111111111111001011 -> | |
4033 | ;; 11111111111111111111111111111111111111111111111111001000 | |
4034 | (+ (expt 2 (+ dbl-mant-dig 3)) -64 #b001011) | |
4035 | (+ (expt 2.0 (+ dbl-mant-dig 3)) -64 #b001000)) | |
4036 | ||
4037 | (test "round tie up to even" | |
4038 | ;; ===================================================== | |
4039 | ;; 11111111111111111111111111111111111111111111111111011100 -> | |
4040 | ;; 11111111111111111111111111111111111111111111111111100000 | |
4041 | (+ (expt 2 (+ dbl-mant-dig 3)) -64 #b011100) | |
4042 | (+ (expt 2.0 (+ dbl-mant-dig 3)) -64 #b100000)) | |
4043 | ||
4044 | (test "round tie down to even" | |
4045 | ;; ===================================================== | |
4046 | ;; 11111111111111111111111111111111111111111111111111000100 -> | |
4047 | ;; 11111111111111111111111111111111111111111111111111000000 | |
4048 | (+ (expt 2 (+ dbl-mant-dig 3)) -64 #b000100) | |
4049 | (+ (expt 2.0 (+ dbl-mant-dig 3)) -64 #b000000)) | |
4050 | ||
4051 | (test "round tie up to next power of two" | |
4052 | ;; ===================================================== | |
4053 | ;; 11111111111111111111111111111111111111111111111111111100 -> | |
4054 | ;; 100000000000000000000000000000000000000000000000000000000 | |
4055 | (+ (expt 2 (+ dbl-mant-dig 3)) -64 #b111100) | |
98237784 MW |
4056 | (expt 2.0 (+ dbl-mant-dig 3))) |
4057 | ||
4058 | (test "miniscule value rounds to zero of appropriate sign" | |
4059 | (expt 17 (- dbl-min-exp dbl-mant-dig)) | |
4060 | 0.0) | |
4061 | ||
4062 | (test "smallest inexact" | |
4063 | (expt 2 (- dbl-min-exp dbl-mant-dig)) | |
4064 | (expt 2.0 (- dbl-min-exp dbl-mant-dig))) | |
4065 | ||
4066 | (test "1/2 smallest inexact rounds down to zero" | |
4067 | (* 1/2 (expt 2 (- dbl-min-exp dbl-mant-dig))) | |
4068 | 0.0) | |
4069 | ||
4070 | (test "just over 1/2 smallest inexact rounds up" | |
4071 | (+ (* 1/2 (expt 2 (- dbl-min-exp dbl-mant-dig))) | |
4072 | (expt 7 (- dbl-min-exp dbl-mant-dig))) | |
4073 | (expt 2.0 (- dbl-min-exp dbl-mant-dig))) | |
4074 | ||
4075 | (test "3/2 smallest inexact rounds up to twice smallest inexact" | |
4076 | (* 3/2 (expt 2 (- dbl-min-exp dbl-mant-dig))) | |
4077 | (* 2.0 (expt 2.0 (- dbl-min-exp dbl-mant-dig)))) | |
4078 | ||
4079 | (test "just under 3/2 smallest inexact rounds down" | |
4080 | (- (* 3/2 (expt 2 (- dbl-min-exp dbl-mant-dig))) | |
4081 | (expt 11 (- dbl-min-exp dbl-mant-dig))) | |
4082 | (expt 2.0 (- dbl-min-exp dbl-mant-dig))) | |
4083 | ||
4084 | (test "5/2 smallest inexact rounds down to twice smallest inexact" | |
4085 | (* 5/2 (expt 2 (- dbl-min-exp dbl-mant-dig))) | |
4086 | (* 2.0 (expt 2.0 (- dbl-min-exp dbl-mant-dig)))) | |
4087 | ||
4088 | (test "just over 5/2 smallest inexact rounds up" | |
4089 | (+ (* 5/2 (expt 2 (- dbl-min-exp dbl-mant-dig))) | |
4090 | (expt 13 (- dbl-min-exp dbl-mant-dig))) | |
4091 | (* 3.0 (expt 2.0 (- dbl-min-exp dbl-mant-dig)))) | |
4092 | ||
4093 | (test "one plus dbl-epsilon" | |
4094 | (+ 1 dbl-epsilon-exact) | |
4095 | (+ 1.0 dbl-epsilon)) | |
4096 | ||
4097 | (test "one plus 1/2 dbl-epsilon rounds down to 1.0" | |
4098 | (+ 1 (* 1/2 dbl-epsilon-exact)) | |
4099 | 1.0) | |
4100 | ||
4101 | (test "just over one plus 1/2 dbl-epsilon rounds up" | |
4102 | (+ 1 | |
4103 | (* 1/2 dbl-epsilon-exact) | |
4104 | (expt 13 (- dbl-min-exp dbl-mant-dig))) | |
4105 | (+ 1.0 dbl-epsilon)) | |
4106 | ||
4107 | (test "one plus 3/2 dbl-epsilon rounds up" | |
4108 | (+ 1 (* 3/2 dbl-epsilon-exact)) | |
4109 | (+ 1.0 (* 2.0 dbl-epsilon))) | |
4110 | ||
4111 | (test "just under one plus 3/2 dbl-epsilon rounds down" | |
4112 | (+ 1 | |
4113 | (* 3/2 dbl-epsilon-exact) | |
4114 | (- (expt 17 (- dbl-min-exp dbl-mant-dig)))) | |
4115 | (+ 1.0 dbl-epsilon)) | |
4116 | ||
4117 | (test "one plus 5/2 dbl-epsilon rounds down" | |
4118 | (+ 1 (* 5/2 dbl-epsilon-exact)) | |
4119 | (+ 1.0 (* 2.0 dbl-epsilon))) | |
4120 | ||
4121 | (test "just over one plus 5/2 dbl-epsilon rounds up" | |
4122 | (+ 1 | |
4123 | (* 5/2 dbl-epsilon-exact) | |
4124 | (expt 13 (- dbl-min-exp dbl-mant-dig))) | |
4125 | (+ 1.0 (* 3.0 dbl-epsilon))) | |
4126 | ||
4127 | (test "largest finite inexact" | |
4128 | (* (- (expt 2 dbl-mant-dig) 1) | |
4129 | (expt 2 (- dbl-max-exp dbl-mant-dig))) | |
4130 | (* (- (expt 2.0 dbl-mant-dig) 1) | |
4131 | (expt 2.0 (- dbl-max-exp dbl-mant-dig)))) | |
4132 | ||
4133 | (test "largest finite inexact plus 1/2 epsilon rounds up to infinity" | |
4134 | (* (+ (expt 2 dbl-mant-dig) -1 1/2) | |
4135 | (expt 2 (- dbl-max-exp dbl-mant-dig))) | |
4136 | (inf)) | |
4137 | ||
4138 | (test "largest finite inexact plus just under 1/2 epsilon rounds down" | |
4139 | (* (+ (expt 2 dbl-mant-dig) -1 1/2 | |
4140 | (- (expt 13 (- dbl-min-exp dbl-mant-dig)))) | |
4141 | (expt 2 (- dbl-max-exp dbl-mant-dig))) | |
4142 | (* (- (expt 2.0 dbl-mant-dig) 1) | |
4143 | (expt 2.0 (- dbl-max-exp dbl-mant-dig)))) | |
4144 | ||
4145 | (test "1/2 largest finite inexact" | |
4146 | (* (- (expt 2 dbl-mant-dig) 1) | |
4147 | (expt 2 (- dbl-max-exp dbl-mant-dig 1))) | |
4148 | (* (- (expt 2.0 dbl-mant-dig) 1) | |
4149 | (expt 2.0 (- dbl-max-exp dbl-mant-dig 1)))) | |
4150 | ||
4151 | (test "1/2 largest finite inexact plus 1/2 epsilon rounds up to next power of two" | |
4152 | (* (+ (expt 2 dbl-mant-dig) -1 1/2) | |
4153 | (expt 2 (- dbl-max-exp dbl-mant-dig 1))) | |
4154 | (expt 2.0 (- dbl-max-exp 1))) | |
4155 | ||
4156 | (test "1/2 largest finite inexact plus just over 1/2 epsilon rounds up to next power of two" | |
4157 | (* (+ (expt 2 dbl-mant-dig) -1 1/2 | |
4158 | (expt 13 (- dbl-min-exp dbl-mant-dig))) | |
4159 | (expt 2 (- dbl-max-exp dbl-mant-dig 1))) | |
4160 | (expt 2.0 (- dbl-max-exp 1))) | |
4161 | ||
4162 | (test "1/2 largest finite inexact plus just under 1/2 epsilon rounds down" | |
4163 | (* (+ (expt 2 dbl-mant-dig) -1 1/2 | |
4164 | (- (expt 13 (- dbl-min-exp dbl-mant-dig)))) | |
4165 | (expt 2 (- dbl-max-exp dbl-mant-dig 1))) | |
4166 | (* (- (expt 2.0 dbl-mant-dig) 1) | |
4167 | (expt 2.0 (- dbl-max-exp dbl-mant-dig 1)))) | |
4168 | ||
4169 | ) | |
a1fb3b1c | 4170 | |
46f2c0f1 RB |
4171 | ;;; |
4172 | ;;; expt | |
4173 | ;;; | |
4174 | ||
4175 | (with-test-prefix "expt" | |
2519490c | 4176 | (pass-if (documented? expt)) |
bfe1f03a MW |
4177 | |
4178 | ;; | |
4179 | ;; expt no longer requires its first argument to be a scheme number, | |
4180 | ;; for the sake of extensibility, and expt calls integer-expt for | |
4181 | ;; integer powers. To raise to a positive power, all that is required | |
4182 | ;; is that it can be multiplied using `*'. For negative powers we | |
4183 | ;; must also be able to find the reciprocal. If we try to raise #t to | |
4184 | ;; any power other than 0 or 1 it may throw an exception, depending on | |
4185 | ;; whether * has been defined for #t. However, when raising to the 0 | |
4186 | ;; or 1 power, the first argument is not manipulated at all. | |
4187 | ;; | |
4188 | ;; (pass-if-exception "non-numeric base" exception:wrong-type-arg | |
4189 | ;; (expt #t 0)) | |
4190 | ;; | |
4191 | ||
01c7284a MW |
4192 | (pass-if (eqv? 1 (expt 0 0))) |
4193 | (pass-if (eqv? 1 (expt 0.0 0))) | |
4194 | (pass-if (eqv? 1.0 (expt 0 0.0))) | |
4195 | (pass-if (eqv? 1.0 (expt 0.0 0.0))) | |
55a8b708 MW |
4196 | (pass-if (real-nan? (expt 0 -1))) |
4197 | (pass-if (real-nan? (expt 0 -1.0))) | |
4198 | (pass-if (real-nan? (expt 0.0 -1))) | |
4199 | (pass-if (real-nan? (expt 0.0 -1.0))) | |
01c7284a MW |
4200 | (pass-if (eqv? 0 (expt 0 3))) |
4201 | (pass-if (= 0 (expt 0 4.0))) | |
4202 | (pass-if (eqv? 0.0 (expt 0.0 5))) | |
4203 | (pass-if (eqv? 0.0 (expt 0.0 6.0))) | |
4204 | (pass-if (eqv? -2742638075.5 (expt -2742638075.5 1))) | |
4205 | (pass-if (eqv? (* -2742638075.5 -2742638075.5) | |
4206 | (expt -2742638075.5 2))) | |
4207 | (pass-if (eqv? 4.0 (expt -2.0 2.0))) | |
4208 | (pass-if (eqv? -1/8 (expt -2 -3))) | |
4209 | (pass-if (eqv? -0.125 (expt -2.0 -3))) | |
4210 | (pass-if (eqv? -0.125 (expt -2 -3.0))) | |
4211 | (pass-if (eqv? -0.125 (expt -2.0 -3.0))) | |
4212 | (pass-if (eqv? 0.25 (expt 2.0 -2.0))) | |
a285b18c MW |
4213 | (pass-if (eqv? 32/243 (expt 2/3 5))) |
4214 | (pass-if (eqv? 243/32 (expt 2/3 -5))) | |
4215 | (pass-if (eqv? 32 (expt 1/2 -5))) | |
c7218482 | 4216 | (pass-if (test-eqv? (* -1.0+0.0i 12398 12398) (expt +12398i 2.0))) |
01c7284a MW |
4217 | (pass-if (eqv-loosely? +i (expt -1 0.5))) |
4218 | (pass-if (eqv-loosely? +i (expt -1 1/2))) | |
8e43ed5d AW |
4219 | (pass-if (eqv-loosely? 1.0+1.7320508075688i (expt -8 1/3))) |
4220 | (pass-if (eqv? +inf.0 (expt 2 +inf.0))) | |
4221 | (pass-if (eqv? +inf.0 (expt 2.0 +inf.0))) | |
4222 | (pass-if (eqv? 0.0 (expt 2 -inf.0))) | |
4223 | (pass-if (eqv? 0.0 (expt 2.0 -inf.0)))) | |
01c7284a | 4224 | |
46f2c0f1 | 4225 | |
8deddc94 MW |
4226 | ;;; |
4227 | ;;; sin | |
4228 | ;;; | |
4229 | ||
4230 | (with-test-prefix "sin" | |
4231 | (pass-if (eqv? 0 (sin 0))) | |
4232 | (pass-if (eqv? 0.0 (sin 0.0))) | |
4233 | (pass-if (eqv-loosely? 1.0 (sin 1.57))) | |
4234 | (pass-if (eqv-loosely? +1.175i (sin +i))) | |
4235 | (pass-if (real-nan? (sin +nan.0))) | |
4236 | (pass-if (real-nan? (sin +inf.0))) | |
4237 | (pass-if (real-nan? (sin -inf.0)))) | |
4238 | ||
4239 | ;;; | |
4240 | ;;; cos | |
4241 | ;;; | |
4242 | ||
4243 | (with-test-prefix "cos" | |
4244 | (pass-if (eqv? 1 (cos 0))) | |
4245 | (pass-if (eqv? 1.0 (cos 0.0))) | |
4246 | (pass-if (eqv-loosely? 0.0 (cos 1.57))) | |
4247 | (pass-if (eqv-loosely? 1.543 (cos +i))) | |
4248 | (pass-if (real-nan? (cos +nan.0))) | |
4249 | (pass-if (real-nan? (cos +inf.0))) | |
4250 | (pass-if (real-nan? (cos -inf.0)))) | |
4251 | ||
4252 | ;;; | |
4253 | ;;; tan | |
4254 | ;;; | |
4255 | ||
4256 | (with-test-prefix "tan" | |
4257 | (pass-if (eqv? 0 (tan 0))) | |
4258 | (pass-if (eqv? 0.0 (tan 0.0))) | |
4259 | (pass-if (eqv-loosely? 1.0 (tan 0.785))) | |
4260 | (pass-if (eqv-loosely? +0.76i (tan +i))) | |
4261 | (pass-if (real-nan? (tan +nan.0))) | |
4262 | (pass-if (real-nan? (tan +inf.0))) | |
4263 | (pass-if (real-nan? (tan -inf.0)))) | |
4264 | ||
4265 | ;;; | |
4266 | ;;; asin | |
4267 | ;;; | |
4268 | ||
4269 | (with-test-prefix "asin" | |
4270 | (pass-if (complex-nan? (asin +nan.0))) | |
4271 | (pass-if (eqv? 0 (asin 0))) | |
4272 | (pass-if (eqv? 0.0 (asin 0.0)))) | |
4273 | ||
4274 | ;;; | |
4275 | ;;; acos | |
4276 | ;;; | |
4277 | ||
4278 | (with-test-prefix "acos" | |
4279 | (pass-if (complex-nan? (acos +nan.0))) | |
4280 | (pass-if (eqv? 0 (acos 1))) | |
4281 | (pass-if (eqv? 0.0 (acos 1.0)))) | |
4282 | ||
4283 | ;;; | |
4284 | ;;; atan | |
4285 | ;;; | |
4286 | ;;; FIXME: add tests for two-argument atan | |
4287 | ;;; | |
4288 | (with-test-prefix "atan" | |
4289 | (pass-if (real-nan? (atan +nan.0))) | |
4290 | (pass-if (eqv? 0 (atan 0))) | |
4291 | (pass-if (eqv? 0.0 (atan 0.0))) | |
4292 | (pass-if (eqv-loosely? 1.57 (atan +inf.0))) | |
4293 | (pass-if (eqv-loosely? -1.57 (atan -inf.0)))) | |
4294 | ||
4295 | ;;; | |
4296 | ;;; sinh | |
4297 | ;;; | |
4298 | ||
4299 | (with-test-prefix "sinh" | |
4300 | (pass-if (= 0 (sinh 0))) | |
4301 | (pass-if (= 0.0 (sinh 0.0)))) | |
4302 | ||
4303 | ;;; | |
4304 | ;;; cosh | |
4305 | ;;; | |
4306 | ||
4307 | (with-test-prefix "cosh" | |
4308 | (pass-if (= 1 (cosh 0))) | |
4309 | (pass-if (= 1.0 (cosh 0.0)))) | |
4310 | ||
4311 | ;;; | |
4312 | ;;; tanh | |
4313 | ;;; | |
4314 | ||
4315 | (with-test-prefix "tanh" | |
4316 | (pass-if (= 0 (tanh 0))) | |
4317 | (pass-if (= 0.0 (tanh 0.0)))) | |
4318 | ||
14a6784c KR |
4319 | ;;; |
4320 | ;;; asinh | |
4321 | ;;; | |
4322 | ||
4323 | (with-test-prefix "asinh" | |
8deddc94 MW |
4324 | (pass-if (= 0 (asinh 0))) |
4325 | (pass-if (= 0.0 (asinh 0.0)))) | |
14a6784c KR |
4326 | |
4327 | ;;; | |
4328 | ;;; acosh | |
4329 | ;;; | |
4330 | ||
4331 | (with-test-prefix "acosh" | |
8deddc94 MW |
4332 | (pass-if (= 0 (acosh 1))) |
4333 | (pass-if (= 0.0 (acosh 1.0)))) | |
14a6784c KR |
4334 | |
4335 | ;;; | |
4336 | ;;; atanh | |
4337 | ;;; | |
4338 | ||
4339 | (with-test-prefix "atanh" | |
8deddc94 MW |
4340 | (pass-if (= 0 (atanh 0))) |
4341 | (pass-if (= 0.0 (atanh 0.0)))) | |
14a6784c | 4342 | |
f29b3454 DH |
4343 | ;;; |
4344 | ;;; make-rectangular | |
4345 | ;;; | |
c7218482 MW |
4346 | |
4347 | (with-test-prefix "make-rectangular" | |
4348 | (pass-if (real? (make-rectangular 5.0 0 ))) | |
4349 | (pass-if (not (real? (make-rectangular 5.0 0.0)))) | |
4350 | (pass-if (not (real? (make-rectangular 5.0 -0.0))))) | |
f29b3454 DH |
4351 | |
4352 | ;;; | |
4353 | ;;; make-polar | |
4354 | ;;; | |
4355 | ||
d40681ec KR |
4356 | (with-test-prefix "make-polar" |
4357 | (define pi 3.14159265358979323846) | |
4358 | (define (almost= x y) | |
4359 | (> 0.01 (magnitude (- x y)))) | |
4360 | ||
c7218482 MW |
4361 | (pass-if (real? (make-polar 0 1.0))) |
4362 | (pass-if (real? (make-polar 5.0 0 ))) | |
4363 | (pass-if (not (real? (make-polar 5.0 0.0)))) | |
4364 | (pass-if (not (real? (make-polar 5.0 -0.0)))) | |
4365 | ||
4366 | (pass-if (eqv? 0 (make-polar 0 0))) | |
4367 | (pass-if (eqv? 0 (make-polar 0 123.456))) | |
4368 | (pass-if (eqv? 1 (make-polar 1 0))) | |
4369 | (pass-if (eqv? -1 (make-polar -1 0))) | |
d40681ec KR |
4370 | |
4371 | (pass-if (almost= 0+i (make-polar 1 (* 0.5 pi)))) | |
4372 | (pass-if (almost= -1 (make-polar 1 (* 1.0 pi)))) | |
4373 | (pass-if (almost= 0-i (make-polar 1 (* 1.5 pi)))) | |
4374 | (pass-if (almost= 1 (make-polar 1 (* 2.0 pi))))) | |
4375 | ||
f29b3454 DH |
4376 | ;;; |
4377 | ;;; real-part | |
4378 | ;;; | |
4379 | ||
2519490c MW |
4380 | (with-test-prefix "real-part" |
4381 | (pass-if (documented? real-part)) | |
4382 | (pass-if (eqv? 5.0 (real-part 5.0))) | |
4383 | (pass-if (eqv? 0.0 (real-part +5.0i))) | |
4384 | (pass-if (eqv? 5 (real-part 5))) | |
4385 | (pass-if (eqv? 1/5 (real-part 1/5))) | |
4386 | (pass-if (eqv? (1+ fixnum-max) (real-part (1+ fixnum-max))))) | |
4387 | ||
f29b3454 DH |
4388 | ;;; |
4389 | ;;; imag-part | |
4390 | ;;; | |
4391 | ||
2519490c MW |
4392 | (with-test-prefix "imag-part" |
4393 | (pass-if (documented? imag-part)) | |
c7218482 | 4394 | (pass-if (eqv? 0 (imag-part 5.0))) |
2519490c MW |
4395 | (pass-if (eqv? 5.0 (imag-part +5.0i))) |
4396 | (pass-if (eqv? 0 (imag-part 5))) | |
4397 | (pass-if (eqv? 0 (imag-part 1/5))) | |
4398 | (pass-if (eqv? 0 (imag-part (1+ fixnum-max))))) | |
4399 | ||
f29b3454 DH |
4400 | ;;; |
4401 | ;;; magnitude | |
4402 | ;;; | |
4403 | ||
d40681ec | 4404 | (with-test-prefix "magnitude" |
2519490c | 4405 | (pass-if (documented? magnitude)) |
d40681ec KR |
4406 | (pass-if (= 0 (magnitude 0))) |
4407 | (pass-if (= 1 (magnitude 1))) | |
4408 | (pass-if (= 1 (magnitude -1))) | |
4409 | (pass-if (= 1 (magnitude 0+i))) | |
4410 | (pass-if (= 1 (magnitude 0-i))) | |
4411 | (pass-if (= 5 (magnitude 3+4i))) | |
4412 | (pass-if (= 5 (magnitude 3-4i))) | |
4413 | (pass-if (= 5 (magnitude -3+4i))) | |
4414 | (pass-if (= 5 (magnitude -3-4i)))) | |
4415 | ||
f29b3454 DH |
4416 | ;;; |
4417 | ;;; angle | |
4418 | ;;; | |
4419 | ||
cfc9fc1c KR |
4420 | (with-test-prefix "angle" |
4421 | (define pi 3.14159265358979323846) | |
4422 | (define (almost= x y) | |
10a97755 | 4423 | (> 0.000001 (magnitude (- x y)))) |
cfc9fc1c | 4424 | |
2519490c MW |
4425 | (pass-if (documented? angle)) |
4426 | ||
cfc9fc1c KR |
4427 | (pass-if "inum +ve" (= 0 (angle 1))) |
4428 | (pass-if "inum -ve" (almost= pi (angle -1))) | |
4429 | ||
4430 | (pass-if "bignum +ve" (= 0 (angle (1+ fixnum-max)))) | |
4431 | (pass-if "bignum -ve" (almost= pi (angle (1- fixnum-min)))) | |
4432 | ||
4433 | (pass-if "flonum +ve" (= 0 (angle 1.5))) | |
10a97755 MW |
4434 | (pass-if "flonum -ve" (almost= pi (angle -1.5))) |
4435 | ||
4436 | (pass-if "signed zero +ve" (= 0 (angle 0.0))) | |
4437 | (pass-if "signed zero -ve" (almost= pi (angle -0.0)))) | |
cfc9fc1c | 4438 | |
f29b3454 DH |
4439 | ;;; |
4440 | ;;; inexact->exact | |
4441 | ;;; | |
300c6a76 | 4442 | |
1259cb26 | 4443 | (with-test-prefix "inexact->exact" |
24475b86 MW |
4444 | |
4445 | ;; Test "(inexact->exact f)", expect "want". | |
4446 | (define (test name f want) | |
4447 | (with-test-prefix name | |
4448 | (pass-if-equal "pos" want (inexact->exact f)) | |
4449 | (pass-if-equal "neg" (- want) (inexact->exact (- f))))) | |
4450 | ||
2519490c MW |
4451 | (pass-if (documented? inexact->exact)) |
4452 | ||
9dd9857f | 4453 | (pass-if-exception "+inf" exception:out-of-range |
a409f865 | 4454 | (inexact->exact +inf.0)) |
1259cb26 | 4455 | |
9dd9857f | 4456 | (pass-if-exception "-inf" exception:out-of-range |
a409f865 | 4457 | (inexact->exact -inf.0)) |
1259cb26 | 4458 | |
9dd9857f | 4459 | (pass-if-exception "nan" exception:out-of-range |
a409f865 | 4460 | (inexact->exact +nan.0)) |
24475b86 MW |
4461 | |
4462 | (test "0.0" 0.0 0) | |
4463 | (test "small even integer" 72.0 72) | |
4464 | (test "small odd integer" 73.0 73) | |
4465 | ||
4466 | (test "largest inexact odd integer" | |
4467 | (- (expt 2.0 dbl-mant-dig) 1) | |
4468 | (- (expt 2 dbl-mant-dig) 1)) | |
4469 | ||
4470 | (test "largest inexact odd integer - 1" | |
4471 | (- (expt 2.0 dbl-mant-dig) 2) | |
4472 | (- (expt 2 dbl-mant-dig) 2)) | |
4473 | ||
4474 | (test "largest inexact odd integer + 3" | |
4475 | (+ (expt 2.0 dbl-mant-dig) 2) | |
4476 | (+ (expt 2 dbl-mant-dig) 2)) | |
4477 | ||
4478 | (test "largest inexact odd integer * 2^48" | |
4479 | (* (expt 2.0 48) (- (expt 2.0 dbl-mant-dig) 1)) | |
4480 | (* (expt 2 48) (- (expt 2 dbl-mant-dig) 1))) | |
4481 | ||
4482 | (test "largest inexact odd integer / 2^48" | |
4483 | (* (expt 0.5 48) (- (expt 2.0 dbl-mant-dig) 1)) | |
4484 | (* (expt 1/2 48) (- (expt 2 dbl-mant-dig) 1))) | |
4485 | ||
98237784 MW |
4486 | (test "largest finite inexact" |
4487 | (* (- (expt 2.0 dbl-mant-dig) 1) | |
4488 | (expt 2.0 (- dbl-max-exp dbl-mant-dig))) | |
4489 | (* (- (expt 2 dbl-mant-dig) 1) | |
4490 | (expt 2 (- dbl-max-exp dbl-mant-dig)))) | |
4491 | ||
24475b86 MW |
4492 | (test "smallest inexact" |
4493 | (expt 2.0 (- dbl-min-exp dbl-mant-dig)) | |
4494 | (expt 2 (- dbl-min-exp dbl-mant-dig))) | |
4495 | ||
4496 | (test "smallest inexact * 2" | |
4497 | (* 2.0 (expt 2.0 (- dbl-min-exp dbl-mant-dig))) | |
4498 | (* 2 (expt 2 (- dbl-min-exp dbl-mant-dig)))) | |
4499 | ||
4500 | (test "smallest inexact * 3" | |
4501 | (* 3.0 (expt 2.0 (- dbl-min-exp dbl-mant-dig))) | |
4502 | (* 3 (expt 2 (- dbl-min-exp dbl-mant-dig)))) | |
4503 | ||
4504 | (with-test-prefix "2.0**i to exact" | |
1259cb26 | 4505 | (do ((i 0 (1+ i)) |
24475b86 MW |
4506 | (n 1 (* 2 n)) |
4507 | (f 1.0 (* 2.0 f))) | |
1259cb26 | 4508 | ((> i 100)) |
24475b86 | 4509 | (test (list i n) f n)))) |
1259cb26 | 4510 | |
c1122753 KR |
4511 | ;;; |
4512 | ;;; integer-expt | |
4513 | ;;; | |
4514 | ||
4515 | (with-test-prefix "integer-expt" | |
2519490c | 4516 | (pass-if (documented? integer-expt)) |
c1122753 KR |
4517 | |
4518 | (pass-if-exception "2^+inf" exception:wrong-type-arg | |
4519 | (integer-expt 2 +inf.0)) | |
4520 | (pass-if-exception "2^-inf" exception:wrong-type-arg | |
4521 | (integer-expt 2 -inf.0)) | |
4522 | (pass-if-exception "2^nan" exception:wrong-type-arg | |
01c7284a MW |
4523 | (integer-expt 2 +nan.0)) |
4524 | ||
4525 | (pass-if (eqv? 1 (integer-expt 0 0))) | |
4526 | (pass-if (eqv? 1 (integer-expt 0.0 0))) | |
55a8b708 MW |
4527 | (pass-if (real-nan? (integer-expt 0 -1))) |
4528 | (pass-if (real-nan? (integer-expt 0.0 -1))) | |
01c7284a MW |
4529 | (pass-if (eqv? 0 (integer-expt 0 3))) |
4530 | (pass-if (eqv? 0.0 (integer-expt 0.0 5))) | |
4531 | (pass-if (eqv? -2742638075.5 (integer-expt -2742638075.5 1))) | |
4532 | (pass-if (eqv? (* -2742638075.5 -2742638075.5) | |
4533 | (integer-expt -2742638075.5 2))) | |
4534 | (pass-if (eqv? 4.0 (integer-expt -2.0 2))) | |
4535 | (pass-if (eqv? -1/8 (integer-expt -2 -3))) | |
4536 | (pass-if (eqv? -0.125 (integer-expt -2.0 -3))) | |
4537 | (pass-if (eqv? 0.25 (integer-expt 2.0 -2))) | |
a285b18c MW |
4538 | (pass-if (eqv? 32/243 (integer-expt 2/3 5))) |
4539 | (pass-if (eqv? 243/32 (integer-expt 2/3 -5))) | |
4540 | (pass-if (eqv? 32 (integer-expt 1/2 -5))) | |
c7218482 | 4541 | (pass-if (test-eqv? (* -1.0+0.0i 12398 12398) (integer-expt +12398.0i 2)))) |
01c7284a | 4542 | |
c1122753 | 4543 | |
a04a3604 KR |
4544 | ;;; |
4545 | ;;; integer-length | |
4546 | ;;; | |
4547 | ||
4548 | (with-test-prefix "integer-length" | |
2519490c | 4549 | (pass-if (documented? integer-length)) |
a04a3604 KR |
4550 | |
4551 | (with-test-prefix "-2^i, ...11100..00" | |
4552 | (do ((n -1 (ash n 1)) | |
4553 | (i 0 (1+ i))) | |
4554 | ((> i 256)) | |
4555 | (pass-if (list n "expect" i) | |
4556 | (= i (integer-length n))))) | |
4557 | ||
4558 | (with-test-prefix "-2^i+1 ...11100..01" | |
4559 | (do ((n -3 (logxor 3 (ash n 1))) | |
4560 | (i 2 (1+ i))) | |
4561 | ((> i 256)) | |
4562 | (pass-if n | |
4563 | (= i (integer-length n))))) | |
4564 | ||
4565 | (with-test-prefix "-2^i-1 ...111011..11" | |
4566 | (do ((n -2 (1+ (ash n 1))) | |
4567 | (i 1 (1+ i))) | |
4568 | ((> i 256)) | |
4569 | (pass-if n | |
4570 | (= i (integer-length n)))))) | |
4571 | ||
8ab3d8a0 KR |
4572 | ;;; |
4573 | ;;; log | |
4574 | ;;; | |
4575 | ||
4576 | (with-test-prefix "log" | |
2519490c | 4577 | (pass-if (documented? log)) |
8ab3d8a0 KR |
4578 | |
4579 | (pass-if-exception "no args" exception:wrong-num-args | |
4580 | (log)) | |
4581 | (pass-if-exception "two args" exception:wrong-num-args | |
4582 | (log 123 456)) | |
a5f6b751 MW |
4583 | (pass-if-exception "(log 0)" exception:numerical-overflow |
4584 | (log 0)) | |
4585 | ||
4586 | (pass-if (test-eqv? -inf.0 (log 0.0))) | |
4587 | (pass-if (test-eqv? +inf.0 (log +inf.0))) | |
4588 | (pass-if (test-eqv? -inf.0+3.14159265358979i (log -0.0))) | |
4589 | (pass-if (test-eqv? +inf.0+3.14159265358979i (log -inf.0))) | |
4590 | (pass-if (test-eqv? 0.0 (log 1 ))) | |
4591 | (pass-if (test-eqv? 0.0 (log 1.0))) | |
4592 | (pass-if (test-eqv? 1.0 (log const-e))) | |
4593 | (pass-if (test-eqv? 2.0 (log const-e^2))) | |
4594 | (pass-if (test-eqv? -1.0 (log const-1/e))) | |
4595 | (pass-if (test-eqv? -1.0+3.14159265358979i (log (- const-1/e)))) | |
4596 | (pass-if (test-eqv? 2.30258509299405 (log 10))) | |
4597 | (pass-if (test-eqv? 2.30258509299405+3.14159265358979i (log -10))) | |
4598 | ||
4599 | (pass-if (test-eqv? 1.0+0.0i (log (+ const-e +0.0i)))) | |
4600 | (pass-if (test-eqv? 1.0-0.0i (log (+ const-e -0.0i)))) | |
4601 | ||
4602 | (pass-if (eqv-loosely? 230258.509299405 (log (expt 10 100000)))) | |
4603 | (pass-if (eqv-loosely? -230258.509299405 (log (expt 10 -100000)))) | |
4604 | (pass-if (eqv-loosely? 230257.410687116 (log (/ (expt 10 100000) 3)))) | |
4605 | (pass-if (eqv-loosely? 230258.509299405+3.14159265358979i | |
4606 | (log (- (expt 10 100000))))) | |
4607 | (pass-if (eqv-loosely? -230258.509299405+3.14159265358979i | |
4608 | (log (- (expt 10 -100000))))) | |
4609 | (pass-if (eqv-loosely? 230257.410687116+3.14159265358979i | |
4610 | (log (- (/ (expt 10 100000) 3))))) | |
4611 | (pass-if (test-eqv? 3.05493636349961e-151 | |
4612 | (log (/ (1+ (expt 2 500)) (expt 2 500))))) | |
8ab3d8a0 KR |
4613 | |
4614 | (pass-if (eqv-loosely? 1.0+1.57079i (log 0+2.71828i))) | |
4615 | (pass-if (eqv-loosely? 1.0-1.57079i (log 0-2.71828i))) | |
4616 | ||
4617 | (pass-if (eqv-loosely? 0.0+3.14159i (log -1.0))) | |
4618 | (pass-if (eqv-loosely? 1.0+3.14159i (log -2.71828))) | |
4619 | (pass-if (eqv-loosely? 2.0+3.14159i (log (* -2.71828 2.71828))))) | |
4620 | ||
4621 | ;;; | |
4622 | ;;; log10 | |
4623 | ;;; | |
4624 | ||
4625 | (with-test-prefix "log10" | |
2519490c | 4626 | (pass-if (documented? log10)) |
8ab3d8a0 KR |
4627 | |
4628 | (pass-if-exception "no args" exception:wrong-num-args | |
4629 | (log10)) | |
4630 | (pass-if-exception "two args" exception:wrong-num-args | |
4631 | (log10 123 456)) | |
a5f6b751 MW |
4632 | (pass-if-exception "(log10 0)" exception:numerical-overflow |
4633 | (log10 0)) | |
4634 | ||
4635 | (pass-if (test-eqv? -inf.0 (log10 0.0))) | |
4636 | (pass-if (test-eqv? +inf.0 (log10 +inf.0))) | |
4637 | (pass-if (test-eqv? -inf.0+1.36437635384184i (log10 -0.0))) | |
4638 | (pass-if (test-eqv? +inf.0+1.36437635384184i (log10 -inf.0))) | |
4639 | (pass-if (test-eqv? 0.0 (log10 1 ))) | |
4640 | (pass-if (test-eqv? 0.0 (log10 1.0))) | |
4641 | (pass-if (test-eqv? 1.0 (log10 10 ))) | |
4642 | (pass-if (test-eqv? 1.0 (log10 10.0))) | |
4643 | (pass-if (test-eqv? 2.0 (log10 100.0))) | |
4644 | (pass-if (test-eqv? -1.0 (log10 0.1))) | |
4645 | (pass-if (test-eqv? -1.0+1.36437635384184i (log10 -0.1))) | |
4646 | (pass-if (test-eqv? 1.0+1.36437635384184i (log10 -10 ))) | |
4647 | ||
4648 | (pass-if (test-eqv? 1.0+0.0i (log10 10.0+0.0i))) | |
4649 | (pass-if (test-eqv? 1.0-0.0i (log10 10.0-0.0i))) | |
4650 | ||
4651 | (pass-if (eqv-loosely? 100000.0 (log10 (expt 10 100000)))) | |
4652 | (pass-if (eqv-loosely? -100000.0 (log10 (expt 10 -100000)))) | |
4653 | (pass-if (eqv-loosely? 99999.5228787453 (log10 (/ (expt 10 100000) 3)))) | |
4654 | (pass-if (eqv-loosely? 100000.0+1.36437635384184i | |
4655 | (log10 (- (expt 10 100000))))) | |
4656 | (pass-if (eqv-loosely? -100000.0+1.36437635384184i | |
4657 | (log10 (- (expt 10 -100000))))) | |
4658 | (pass-if (eqv-loosely? 99999.5228787453+1.36437635384184i | |
4659 | (log10 (- (/ (expt 10 100000) 3))))) | |
4660 | (pass-if (test-eqv? 1.32674200523347e-151 | |
4661 | (log10 (/ (1+ (expt 2 500)) (expt 2 500))))) | |
8ab3d8a0 KR |
4662 | |
4663 | (pass-if (eqv-loosely? 1.0+0.68218i (log10 0+10.0i))) | |
4664 | (pass-if (eqv-loosely? 1.0-0.68218i (log10 0-10.0i))) | |
4665 | ||
a5f6b751 MW |
4666 | (pass-if (eqv-loosely? 0.0+1.36437i (log10 -1))) |
4667 | (pass-if (eqv-loosely? 1.0+1.36437i (log10 -10))) | |
8ab3d8a0 KR |
4668 | (pass-if (eqv-loosely? 2.0+1.36437i (log10 -100)))) |
4669 | ||
abff733b KR |
4670 | ;;; |
4671 | ;;; logbit? | |
4672 | ;;; | |
4673 | ||
4674 | (with-test-prefix "logbit?" | |
2519490c MW |
4675 | (pass-if (documented? logbit?)) |
4676 | ||
abff733b KR |
4677 | (pass-if (eq? #f (logbit? 0 0))) |
4678 | (pass-if (eq? #f (logbit? 1 0))) | |
4679 | (pass-if (eq? #f (logbit? 31 0))) | |
4680 | (pass-if (eq? #f (logbit? 32 0))) | |
4681 | (pass-if (eq? #f (logbit? 33 0))) | |
4682 | (pass-if (eq? #f (logbit? 63 0))) | |
4683 | (pass-if (eq? #f (logbit? 64 0))) | |
4684 | (pass-if (eq? #f (logbit? 65 0))) | |
4685 | ||
4686 | ;; prior to guile 1.6.5, testing bit 32, 64 etc of value 1 would wrap | |
4687 | ;; around and return #t where it ought to be #f | |
4688 | (pass-if (eq? #t (logbit? 0 1))) | |
4689 | (pass-if (eq? #f (logbit? 1 1))) | |
4690 | (pass-if (eq? #f (logbit? 31 1))) | |
4691 | (pass-if (eq? #f (logbit? 32 1))) | |
4692 | (pass-if (eq? #f (logbit? 33 1))) | |
4693 | (pass-if (eq? #f (logbit? 63 1))) | |
4694 | (pass-if (eq? #f (logbit? 64 1))) | |
4695 | (pass-if (eq? #f (logbit? 65 1))) | |
4696 | (pass-if (eq? #f (logbit? 128 1))) | |
4697 | ||
4698 | (pass-if (eq? #t (logbit? 0 -1))) | |
4699 | (pass-if (eq? #t (logbit? 1 -1))) | |
4700 | (pass-if (eq? #t (logbit? 31 -1))) | |
4701 | (pass-if (eq? #t (logbit? 32 -1))) | |
4702 | (pass-if (eq? #t (logbit? 33 -1))) | |
4703 | (pass-if (eq? #t (logbit? 63 -1))) | |
4704 | (pass-if (eq? #t (logbit? 64 -1))) | |
4705 | (pass-if (eq? #t (logbit? 65 -1)))) | |
4706 | ||
300c6a76 KR |
4707 | ;;; |
4708 | ;;; logcount | |
4709 | ;;; | |
4710 | ||
4711 | (with-test-prefix "logcount" | |
2519490c | 4712 | (pass-if (documented? logcount)) |
300c6a76 KR |
4713 | |
4714 | (with-test-prefix "-2^i, meaning ...11100..00" | |
4715 | (do ((n -1 (ash n 1)) | |
4716 | (i 0 (1+ i))) | |
4717 | ((> i 256)) | |
795c0bae KR |
4718 | (pass-if n |
4719 | (= i (logcount n))))) | |
4720 | ||
4721 | (with-test-prefix "2^i" | |
4722 | (do ((n 1 (ash n 1)) | |
4723 | (i 0 (1+ i))) | |
4724 | ((> i 256)) | |
4725 | (pass-if n | |
4726 | (= 1 (logcount n))))) | |
4727 | ||
4728 | (with-test-prefix "2^i-1" | |
4729 | (do ((n 0 (1+ (ash n 1))) | |
4730 | (i 0 (1+ i))) | |
4731 | ((> i 256)) | |
300c6a76 KR |
4732 | (pass-if n |
4733 | (= i (logcount n)))))) | |
795c0bae | 4734 | |
afd09cfb KR |
4735 | ;;; |
4736 | ;;; logior | |
4737 | ;;; | |
4738 | ||
4739 | (with-test-prefix "logior" | |
2519490c MW |
4740 | (pass-if (documented? logior)) |
4741 | ||
afd09cfb KR |
4742 | (pass-if (eqv? -1 (logior (ash -1 1) 1))) |
4743 | ||
4744 | ;; check that bignum or bignum+inum args will reduce to an inum | |
4745 | (let () | |
4746 | (define (test x y) | |
4747 | (pass-if (list x y '=> -1) | |
4748 | (eqv? -1 (logior x y))) | |
4749 | (pass-if (list y x '=> -1) | |
4750 | (eqv? -1 (logior y x)))) | |
4751 | (test (ash -1 8) #xFF) | |
4752 | (test (ash -1 28) #x0FFFFFFF) | |
4753 | (test (ash -1 29) #x1FFFFFFF) | |
4754 | (test (ash -1 30) #x3FFFFFFF) | |
4755 | (test (ash -1 31) #x7FFFFFFF) | |
4756 | (test (ash -1 32) #xFFFFFFFF) | |
4757 | (test (ash -1 33) #x1FFFFFFFF) | |
4758 | (test (ash -1 60) #x0FFFFFFFFFFFFFFF) | |
4759 | (test (ash -1 61) #x1FFFFFFFFFFFFFFF) | |
4760 | (test (ash -1 62) #x3FFFFFFFFFFFFFFF) | |
4761 | (test (ash -1 63) #x7FFFFFFFFFFFFFFF) | |
4762 | (test (ash -1 64) #xFFFFFFFFFFFFFFFF) | |
4763 | (test (ash -1 65) #x1FFFFFFFFFFFFFFFF) | |
4764 | (test (ash -1 128) #xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))) | |
4765 | ||
1ec2dd6f KR |
4766 | ;;; |
4767 | ;;; lognot | |
4768 | ;;; | |
4769 | ||
4770 | (with-test-prefix "lognot" | |
2519490c MW |
4771 | (pass-if (documented? lognot)) |
4772 | ||
1ec2dd6f KR |
4773 | (pass-if (= -1 (lognot 0))) |
4774 | (pass-if (= 0 (lognot -1))) | |
4775 | (pass-if (= -2 (lognot 1))) | |
4776 | (pass-if (= 1 (lognot -2))) | |
4777 | ||
4778 | (pass-if (= #x-100000000000000000000000000000000 | |
4779 | (lognot #xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))) | |
4780 | (pass-if (= #xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF | |
4781 | (lognot #x-100000000000000000000000000000000)))) | |
8ab3d8a0 | 4782 | |
882c8963 MW |
4783 | ;;; |
4784 | ;;; exact-integer-sqrt | |
4785 | ;;; | |
4786 | ||
4787 | (with-test-prefix "exact-integer-sqrt" | |
4788 | (define (non-negative-exact-integer? k) | |
4789 | (and (integer? k) (exact? k) (>= k 0))) | |
4790 | ||
4791 | (define (test k) | |
4792 | (pass-if k (let-values (((s r) (exact-integer-sqrt k))) | |
4793 | (and (non-negative-exact-integer? s) | |
4794 | (non-negative-exact-integer? r) | |
4795 | (= k (+ r (* s s))) | |
4796 | (< k (* (1+ s) (1+ s))))))) | |
4797 | ||
4798 | (define (test-wrong-type-arg k) | |
4799 | (pass-if-exception k exception:wrong-type-arg | |
4800 | (let-values (((s r) (exact-integer-sqrt k))) | |
4801 | #t))) | |
4802 | ||
4803 | (pass-if (documented? exact-integer-sqrt)) | |
4804 | ||
4805 | (pass-if-exception "no args" exception:wrong-num-args | |
4806 | (exact-integer-sqrt)) | |
4807 | (pass-if-exception "two args" exception:wrong-num-args | |
4808 | (exact-integer-sqrt 123 456)) | |
4809 | ||
4810 | (test 0) | |
4811 | (test 1) | |
4812 | (test 9) | |
4813 | (test 10) | |
4814 | (test fixnum-max) | |
4815 | (test (1+ fixnum-max)) | |
4816 | (test (* fixnum-max fixnum-max)) | |
4817 | (test (+ 1 (* fixnum-max fixnum-max))) | |
4818 | (test (expt 10 100)) | |
4819 | (test (+ 3 (expt 10 100))) | |
4820 | ||
4821 | (test-wrong-type-arg -1) | |
4822 | (test-wrong-type-arg 1/9) | |
4823 | (test-wrong-type-arg fixnum-min) | |
4824 | (test-wrong-type-arg (1- fixnum-min)) | |
4825 | (test-wrong-type-arg 1.0) | |
4826 | (test-wrong-type-arg 1.5) | |
4827 | (test-wrong-type-arg "foo") | |
4828 | (test-wrong-type-arg 'foo)) | |
4829 | ||
4830 | ||
8ab3d8a0 KR |
4831 | ;;; |
4832 | ;;; sqrt | |
4833 | ;;; | |
4834 | ||
4835 | (with-test-prefix "sqrt" | |
2519490c | 4836 | (pass-if (documented? sqrt)) |
8ab3d8a0 KR |
4837 | |
4838 | (pass-if-exception "no args" exception:wrong-num-args | |
4839 | (sqrt)) | |
4840 | (pass-if-exception "two args" exception:wrong-num-args | |
4841 | (sqrt 123 456)) | |
4842 | ||
44002664 MW |
4843 | (pass-if (eqv? 0 (sqrt 0))) |
4844 | (pass-if (eqv? 1 (sqrt 1))) | |
4845 | (pass-if (eqv? 2 (sqrt 4))) | |
4846 | (pass-if (eqv? 3 (sqrt 9))) | |
4847 | (pass-if (eqv? 4 (sqrt 16))) | |
4848 | (pass-if (eqv? fixnum-max (sqrt (expt fixnum-max 2)))) | |
4849 | (pass-if (eqv? (+ 1 fixnum-max) (sqrt (expt (+ 1 fixnum-max) 2)))) | |
4850 | (pass-if (eqv? (expt 10 400) (sqrt (expt 10 800)))) | |
4851 | (pass-if (eqv? (/ (expt 10 1000) | |
4852 | (expt 13 1000)) | |
4853 | (sqrt (/ (expt 10 2000) | |
4854 | (expt 13 2000))))) | |
4855 | ||
4856 | (with-test-prefix "exact sqrt" | |
4857 | ||
4858 | (define (test root) | |
4859 | (pass-if (list root 'exact) | |
4860 | (eqv? root (sqrt (expt root 2)))) | |
ddb71742 MW |
4861 | (pass-if (list root '*2) |
4862 | (let ((r (sqrt (* 2 (expt root 2))))) | |
4863 | (and (inexact? r) | |
4864 | (eqv-loosely? (* (sqrt 2) root) r)))) | |
44002664 MW |
4865 | (pass-if (list root '-1) |
4866 | (let ((r (sqrt (- (expt root 2) 1)))) | |
4867 | (and (inexact? r) | |
4868 | (eqv-loosely? root r)))) | |
4869 | (pass-if (list root '+1) | |
4870 | (let ((r (sqrt (+ (expt root 2) 1)))) | |
4871 | (and (inexact? r) | |
4872 | (eqv-loosely? root r)))) | |
4873 | (pass-if (list root 'negative) | |
4874 | (eqv-loosely? (* +i root) (sqrt (- (expt root 2)))))) | |
4875 | ||
4876 | (test (exact-integer-sqrt (+ -1 (expt 2 (+ 2 dbl-mant-dig))))) | |
4877 | (test (exact-integer-sqrt (+ -1 (expt 2 (+ 1 dbl-mant-dig))))) | |
4878 | (test (exact-integer-sqrt (+ -1 (expt 2 (+ 0 dbl-mant-dig))))) | |
4879 | (test (exact-integer-sqrt (+ -1 (expt 2 (+ -1 dbl-mant-dig))))) | |
ddb71742 MW |
4880 | (test (exact-integer-sqrt (+ -1 (expt 2 (+ -2 dbl-mant-dig))))) |
4881 | ||
4882 | ;; largest finite inexact | |
4883 | (test (* (- (expt 2 dbl-mant-dig) 1) | |
4884 | (expt 2 (- dbl-max-exp dbl-mant-dig))))) | |
4885 | ||
4886 | (pass-if-equal "smallest inexact" | |
4887 | (expt 2.0 (- dbl-min-exp dbl-mant-dig)) | |
4888 | (sqrt (/ (+ -1 (expt 2 (* 2 (- dbl-mant-dig dbl-min-exp))))))) | |
4889 | ||
4890 | (with-test-prefix "extreme ratios" | |
4891 | (define-syntax-rule (test want x) | |
4892 | (pass-if 'x | |
4893 | (let ((got (sqrt x))) | |
4894 | (and (inexact? got) | |
4895 | (test-eqv? 1.0 (/ want got)))))) | |
4896 | (test 1.511139943175573e176 (/ (expt 3 2001) (expt 2 2001))) | |
4897 | (test 2.1370746022826034e176 (/ (expt 3 2001) (expt 2 2000))) | |
4898 | (test 8.724570529756128e175 (/ (expt 3 2000) (expt 2 2001))) | |
4899 | (test 6.6175207962444435e-177 (/ (expt 2 2001) (expt 3 2001))) | |
4900 | (test 1.1461882239239027e-176 (/ (expt 2 2001) (expt 3 2000))) | |
4901 | (test 4.679293829667447e-177 (/ (expt 2 2000) (expt 3 2001)))) | |
4902 | ||
4903 | (pass-if (eqv? (/ (expt 2 1000) | |
4904 | (expt 3 1000)) | |
4905 | (sqrt (/ (expt 2 2000) | |
4906 | (expt 3 2000))))) | |
4907 | ||
4908 | (pass-if (eqv? (/ (expt 3 1000) | |
4909 | (expt 2 1000)) | |
4910 | (sqrt (/ (expt 3 2000) | |
4911 | (expt 2 2000))))) | |
44002664 MW |
4912 | |
4913 | (pass-if (eqv? +4i (sqrt -16))) | |
4914 | (pass-if (eqv-loosely? +1.0e150i (sqrt #e-1e300))) | |
4915 | (pass-if (eqv-loosely? +0.7071i (sqrt -1/2))) | |
4916 | ||
8ab3d8a0 KR |
4917 | (pass-if (eqv? 0.0 (sqrt 0.0))) |
4918 | (pass-if (eqv? 1.0 (sqrt 1.0))) | |
4919 | (pass-if (eqv-loosely? 2.0 (sqrt 4.0))) | |
4920 | (pass-if (eqv-loosely? 31.62 (sqrt 1000.0))) | |
4921 | ||
4922 | (pass-if (eqv? +1.0i (sqrt -1.0))) | |
4923 | (pass-if (eqv-loosely? +2.0i (sqrt -4.0))) | |
4924 | (pass-if (eqv-loosely? +31.62i (sqrt -1000.0))) | |
4925 | ||
4926 | (pass-if "+i swings back to 45deg angle" | |
4927 | (eqv-loosely? +0.7071+0.7071i (sqrt +1.0i))) | |
4928 | ||
4929 | ;; Note: glibc 2.3 csqrt() had a bug affecting this test case, so if it | |
4930 | ;; fails check whether that's the cause (there's a configure test to | |
4931 | ;; reject it, but when cross-compiling we assume the C library is ok). | |
4932 | (pass-if "-100i swings back to 45deg down" | |
4933 | (eqv-loosely? +7.071-7.071i (sqrt -100.0i)))) | |
4934 | ||
4a46bc2a | 4935 | |
c05696aa MW |
4936 | ;;; |
4937 | ;;; Tests for number-theoretic division operators: | |
ff62c168 MW |
4938 | ;;; |
4939 | ;;; euclidean/ | |
4940 | ;;; euclidean-quotient | |
4941 | ;;; euclidean-remainder | |
c05696aa MW |
4942 | ;;; floor/ |
4943 | ;;; floor-quotient | |
4944 | ;;; floor-remainder | |
4945 | ;;; ceiling/ | |
4946 | ;;; ceiling-quotient | |
4947 | ;;; ceiling-remainder | |
4948 | ;;; truncate/ | |
4949 | ;;; truncate-quotient | |
4950 | ;;; truncate-remainder | |
ff62c168 MW |
4951 | ;;; centered/ |
4952 | ;;; centered-quotient | |
4953 | ;;; centered-remainder | |
c05696aa MW |
4954 | ;;; round/ |
4955 | ;;; round-quotient | |
4956 | ;;; round-remainder | |
ff62c168 MW |
4957 | ;;; |
4958 | ||
4959 | (with-test-prefix "Number-theoretic division" | |
4960 | ||
4a46bc2a | 4961 | ;; Tests that (lo <1 x <2 hi), |
ff62c168 MW |
4962 | ;; but allowing for imprecision |
4963 | ;; if x is inexact. | |
4a46bc2a | 4964 | (define (test-within-range? lo <1 x <2 hi) |
ff62c168 | 4965 | (if (exact? x) |
4a46bc2a | 4966 | (and (<1 lo x) (<2 x hi)) |
ff62c168 MW |
4967 | (let ((lo (- lo test-epsilon)) |
4968 | (hi (+ hi test-epsilon))) | |
4969 | (<= lo x hi)))) | |
4970 | ||
a8591a55 | 4971 | (define (valid-euclidean-answer? x y q r) |
4a46bc2a MW |
4972 | (and (eq? (exact? q) |
4973 | (exact? r) | |
4974 | (and (exact? x) (exact? y))) | |
4975 | (test-eqv? r (- x (* q y))) | |
4976 | (if (and (finite? x) (finite? y)) | |
4977 | (and (integer? q) | |
4978 | (test-within-range? 0 <= r < (abs y))) | |
4979 | (test-eqv? q (/ x y))))) | |
a8591a55 | 4980 | |
8f9da340 MW |
4981 | (define (valid-floor-answer? x y q r) |
4982 | (and (eq? (exact? q) | |
4983 | (exact? r) | |
4984 | (and (exact? x) (exact? y))) | |
4985 | (test-eqv? r (- x (* q y))) | |
4986 | (if (and (finite? x) (finite? y)) | |
4987 | (and (integer? q) | |
4988 | (if (> y 0) | |
4989 | (test-within-range? 0 <= r < y) | |
4990 | (test-within-range? y < r <= 0))) | |
4991 | (test-eqv? q (/ x y))))) | |
4992 | ||
4993 | (define (valid-ceiling-answer? x y q r) | |
4994 | (and (eq? (exact? q) | |
4995 | (exact? r) | |
4996 | (and (exact? x) (exact? y))) | |
4997 | (test-eqv? r (- x (* q y))) | |
4998 | (if (and (finite? x) (finite? y)) | |
4999 | (and (integer? q) | |
5000 | (if (> y 0) | |
5001 | (test-within-range? (- y) < r <= 0) | |
5002 | (test-within-range? 0 <= r < (- y)))) | |
5003 | (test-eqv? q (/ x y))))) | |
5004 | ||
5005 | (define (valid-truncate-answer? x y q r) | |
5006 | (and (eq? (exact? q) | |
5007 | (exact? r) | |
5008 | (and (exact? x) (exact? y))) | |
5009 | (test-eqv? r (- x (* q y))) | |
5010 | (if (and (finite? x) (finite? y)) | |
5011 | (and (integer? q) | |
5012 | (if (> x 0) | |
5013 | (test-within-range? 0 <= r < (abs y)) | |
5014 | (test-within-range? (- (abs y)) < r <= 0))) | |
5015 | (test-eqv? q (/ x y))))) | |
5016 | ||
a8591a55 | 5017 | (define (valid-centered-answer? x y q r) |
4a46bc2a MW |
5018 | (and (eq? (exact? q) |
5019 | (exact? r) | |
5020 | (and (exact? x) (exact? y))) | |
5021 | (test-eqv? r (- x (* q y))) | |
5022 | (if (and (finite? x) (finite? y)) | |
5023 | (and (integer? q) | |
5024 | (test-within-range? | |
5025 | (* -1/2 (abs y)) <= r < (* +1/2 (abs y)))) | |
5026 | (test-eqv? q (/ x y))))) | |
5027 | ||
8f9da340 MW |
5028 | (define (valid-round-answer? x y q r) |
5029 | (and (eq? (exact? q) | |
5030 | (exact? r) | |
5031 | (and (exact? x) (exact? y))) | |
5032 | (test-eqv? r (- x (* q y))) | |
5033 | (if (and (finite? x) (finite? y)) | |
5034 | (and (integer? q) | |
5035 | (let ((ay/2 (/ (abs y) 2))) | |
5036 | (if (even? q) | |
5037 | (test-within-range? (- ay/2) <= r <= ay/2) | |
5038 | (test-within-range? (- ay/2) < r < ay/2)))) | |
5039 | (test-eqv? q (/ x y))))) | |
5040 | ||
4a46bc2a MW |
5041 | (define (for lsts f) (apply for-each f lsts)) |
5042 | ||
5043 | (define big (expt 10 (1+ (inexact->exact (ceiling (log10 fixnum-max)))))) | |
5044 | ||
5045 | (define (run-division-tests quo+rem quo rem valid-answer?) | |
5046 | (define (test n d) | |
5047 | (run-test (list n d) #t | |
5048 | (lambda () | |
5049 | (let-values (((q r) (quo+rem n d))) | |
5050 | (and (test-eqv? q (quo n d)) | |
5051 | (test-eqv? r (rem n d)) | |
5052 | (valid-answer? n d q r)))))) | |
5053 | (define (test+/- n d) | |
5054 | (test n d ) | |
5055 | (test n (- d)) | |
5056 | (cond ((not (zero? n)) | |
5057 | (test (- n) d ) | |
5058 | (test (- n) (- d))))) | |
5059 | ||
5060 | (define (test-for-exception n d exception) | |
5061 | (let ((name (list n d))) | |
5062 | (pass-if-exception name exception (quo+rem n d)) | |
5063 | (pass-if-exception name exception (quo n d)) | |
5064 | (pass-if-exception name exception (rem n d)))) | |
5065 | ||
5066 | (run-test "documented?" #t | |
5067 | (lambda () | |
5068 | (and (documented? quo+rem) | |
5069 | (documented? quo) | |
5070 | (documented? rem)))) | |
5071 | ||
5072 | (with-test-prefix "inum / inum" | |
5073 | (with-test-prefix "fixnum-min / -1" | |
5074 | (test fixnum-min -1)) | |
5075 | (for '((1 2 5 10)) ;; denominators | |
5076 | (lambda (d) | |
5077 | (for '((0 1 2 5 10)) ;; multiples | |
5078 | (lambda (m) | |
5079 | (for '((-2 -1 0 1 2 3 4 5 7 10 | |
5080 | 12 15 16 19 20)) ;; offsets | |
5081 | (lambda (b) | |
5082 | (test+/- (+ b (* m d)) | |
5083 | d)))))))) | |
5084 | ||
5085 | (with-test-prefix "inum / big" | |
5086 | (with-test-prefix "fixnum-min / -fixnum-min" | |
5087 | (test fixnum-min (- fixnum-min))) | |
5088 | (with-test-prefix "fixnum-max / (2*fixnum-max)" | |
5089 | (test+/- fixnum-max (* 2 fixnum-max))) | |
5090 | (for `((0 1 2 10 ,(1- fixnum-max) ,fixnum-max)) | |
5091 | (lambda (n) | |
5092 | (test n (1+ fixnum-max)) | |
5093 | (test (- n) (1+ fixnum-max)) | |
5094 | (test n (1- fixnum-min)) | |
5095 | (test (- n) (1- fixnum-min))))) | |
5096 | ||
5097 | (with-test-prefix "big / inum" | |
5098 | (with-test-prefix "-fixnum-min / fixnum-min" | |
5099 | (test (- fixnum-min) fixnum-min)) | |
5100 | (for '((1 4 5 10)) ;; denominators | |
5101 | (lambda (d) | |
5102 | (for `((1 2 5 ,@(if (even? d) | |
5103 | '(1/2 3/2 5/2) | |
5104 | '()))) ;; multiples | |
5105 | (lambda (m) | |
5106 | (for '((-2 -1 0 1 2)) ;; offsets | |
5107 | (lambda (b) | |
5108 | (test+/- (+ b (* m d big)) | |
5109 | d)))))))) | |
5110 | ||
5111 | (with-test-prefix "big / big" | |
5112 | (for `((,big ,(1+ big))) ;; denominators | |
5113 | (lambda (d) | |
5114 | (for `((1 2 5 ,@(if (even? d) | |
5115 | '(1/2 3/2 5/2) | |
5116 | '()))) ;; multiples | |
5117 | (lambda (m) | |
5118 | (for '((-2 -1 0 1 2)) ;; offsets | |
5119 | (lambda (b) | |
5120 | (test+/- (+ b (* m d)) | |
5121 | d)))))))) | |
5122 | ||
5123 | (with-test-prefix "inexact" | |
5124 | (for '((0.5 1.5 2.25 5.75)) ;; denominators | |
5125 | (lambda (d) | |
5126 | (for '((0 1 2 5 1/2 3/2 5/2)) ;; multiples | |
5127 | (lambda (m) | |
5128 | (for '((-2 -1 0 1 2)) ;; offsets | |
5129 | (lambda (b) | |
5130 | (test+/- (+ b (* m d)) | |
5131 | d)))))))) | |
5132 | ||
5133 | (with-test-prefix "fractions" | |
5134 | (for '((1/10 16/3 10/7)) ;; denominators | |
5135 | (lambda (d) | |
5136 | (for '((0 1 2 5 1/2 3/2 5/2)) ;; multiples | |
5137 | (lambda (m) | |
5138 | (for '((-2/9 -1/11 0 1/3 2/3)) ;; offsets | |
5139 | (lambda (b) | |
5140 | (test+/- (+ b (* m d)) | |
5141 | d)))))))) | |
5142 | ||
5143 | (with-test-prefix "mixed types" | |
5144 | (for `((10 ,big 12.0 10/7 +inf.0 -inf.0 +nan.0)) ;; denominators | |
5145 | (lambda (d) | |
5146 | (for `((25 ,(* 3/2 big) 130.0 15/7 | |
5147 | 0 0.0 -0.0 +inf.0 -inf.0 +nan.0)) ;; numerators | |
5148 | (lambda (n) | |
5149 | (test+/- n d)))))) | |
5150 | ||
5151 | (with-test-prefix "divide by zero" | |
fb210d8d | 5152 | (for `((0 0.0 -0.0)) ;; denominators |
4a46bc2a MW |
5153 | (lambda (d) |
5154 | (for `((15 ,(* 3/2 big) 18.0 33/7 | |
5155 | 0 0.0 -0.0 +inf.0 -inf.0 +nan.0)) ;; numerators | |
5156 | (lambda (n) | |
5157 | (test-for-exception | |
5158 | n d exception:numerical-overflow))))))) | |
ff62c168 | 5159 | |
ff62c168 | 5160 | (with-test-prefix "euclidean/" |
4a46bc2a MW |
5161 | (run-division-tests euclidean/ |
5162 | euclidean-quotient | |
5163 | euclidean-remainder | |
5164 | valid-euclidean-answer?)) | |
a8591a55 | 5165 | |
8f9da340 MW |
5166 | (with-test-prefix "floor/" |
5167 | (run-division-tests floor/ | |
5168 | floor-quotient | |
5169 | floor-remainder | |
5170 | valid-floor-answer?)) | |
5171 | ||
5172 | (with-test-prefix "ceiling/" | |
5173 | (run-division-tests ceiling/ | |
5174 | ceiling-quotient | |
5175 | ceiling-remainder | |
5176 | valid-ceiling-answer?)) | |
5177 | ||
5178 | (with-test-prefix "truncate/" | |
5179 | (run-division-tests truncate/ | |
5180 | truncate-quotient | |
5181 | truncate-remainder | |
5182 | valid-truncate-answer?)) | |
5183 | ||
ff62c168 | 5184 | (with-test-prefix "centered/" |
4a46bc2a MW |
5185 | (run-division-tests centered/ |
5186 | centered-quotient | |
5187 | centered-remainder | |
8f9da340 MW |
5188 | valid-centered-answer?)) |
5189 | ||
5190 | (with-test-prefix "round/" | |
5191 | (run-division-tests round/ | |
5192 | round-quotient | |
5193 | round-remainder | |
5194 | valid-round-answer?))) | |
e08a12b5 MW |
5195 | |
5196 | ;;; | |
5197 | ;;; ash | |
5198 | ;;; round-ash | |
5199 | ;;; | |
5200 | ||
5201 | (let () | |
5202 | (define (test-ash-variant name ash-variant round-variant) | |
5203 | (with-test-prefix name | |
5204 | (define (test n count) | |
5205 | (pass-if (list n count) | |
5206 | (eqv? (ash-variant n count) | |
5207 | (round-variant (* n (expt 2 count)))))) | |
5208 | ||
5209 | (pass-if "documented?" | |
5210 | (documented? ash-variant)) | |
5211 | ||
5212 | (for-each (lambda (n) | |
5213 | (for-each (lambda (count) (test n count)) | |
5214 | '(-1000 -3 -2 -1 0 1 2 3 1000))) | |
5215 | (list 0 1 3 23 -1 -3 -23 | |
5216 | fixnum-max | |
5217 | (1+ fixnum-max) | |
5218 | (1- fixnum-max) | |
5219 | (* fixnum-max 4) | |
5220 | (quotient fixnum-max 4) | |
5221 | fixnum-min | |
5222 | (1+ fixnum-min) | |
5223 | (1- fixnum-min) | |
5224 | (* fixnum-min 4) | |
5225 | (quotient fixnum-min 4))) | |
5226 | ||
5227 | (do ((count -2 (1- count)) | |
5228 | (vals '(1 3 5 7 9 11) | |
5229 | (map (lambda (n) (* 2 n)) vals))) | |
5230 | ((> (car vals) (* 2 fixnum-max)) 'done) | |
5231 | (for-each (lambda (n) | |
5232 | (test n count) | |
5233 | (test (- n) count)) | |
5234 | vals)) | |
5235 | ||
5236 | ;; Test rounding | |
5237 | (for-each (lambda (base) | |
5238 | (for-each (lambda (offset) (test (+ base offset) -3)) | |
5239 | '(#b11001 #b11100 #b11101 #b10001 #b10100 #b10101))) | |
5240 | (list 0 64 -64 (* 64 fixnum-max) (* 64 fixnum-min))))) | |
5241 | ||
5242 | (test-ash-variant 'ash ash floor) | |
5243 | (test-ash-variant 'round-ash round-ash round)) |