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339bfe47 | 1 | ;;;; bit-operations.test --- bitwise operations on numbers -*- scheme -*- |
96e30d2a | 2 | ;;;; Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
339bfe47 | 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 | |
7 | ;;;; version 2.1 of the License, or (at your option) any later version. | |
8 | ;;;; | |
9 | ;;;; This library is distributed in the hope that it will be useful, | |
339bfe47 | 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 | |
16 | ;;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
339bfe47 DH |
17 | |
18 | (use-modules (ice-9 documentation)) | |
19 | ||
20 | ||
21 | ;;; | |
22 | ;;; miscellaneous | |
23 | ;;; | |
24 | ||
25 | (define (run-tests name-proc test-proc arg-sets) | |
26 | (for-each | |
27 | (lambda (arg-set) | |
28 | (pass-if (apply name-proc arg-set) | |
29 | (apply test-proc arg-set))) | |
30 | arg-sets)) | |
31 | ||
32 | (define (documented? object) | |
5c96bc39 | 33 | (not (not (object-documentation object)))) |
339bfe47 | 34 | |
af297b33 RB |
35 | (define fixnum-bit |
36 | (inexact->exact (+ (/ (log (+ most-positive-fixnum 1)) (log 2)) 1))) | |
37 | ||
339bfe47 DH |
38 | (define fixnum-min most-negative-fixnum) |
39 | (define fixnum-max most-positive-fixnum) | |
40 | ||
41 | (with-test-prefix "bit-extract" | |
42 | ||
43 | (pass-if "documented?" | |
44 | (documented? bit-extract)) | |
45 | ||
46 | (with-test-prefix "extract from zero" | |
47 | ||
48 | (run-tests | |
49 | (lambda (a b c d) | |
50 | (string-append "single bit " (number->string b))) | |
51 | (lambda (a b c d) | |
52 | (= (bit-extract a b c) d)) | |
53 | (list | |
54 | (list 0 0 1 0) | |
55 | (list 0 1 2 0) | |
56 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit -1) 0) | |
57 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit 0) 0) | |
58 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit 1) 0) | |
59 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) | |
60 | ||
61 | (run-tests | |
62 | (lambda (a b c d) | |
63 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) | |
64 | (lambda (a b c d) | |
65 | (= (bit-extract a b c) d)) | |
66 | (list | |
67 | (list 0 0 (+ fixnum-bit -1) 0) | |
68 | (list 0 1 (+ fixnum-bit 0) 0) | |
69 | (list 0 2 (+ fixnum-bit 1) 0) | |
70 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 0) | |
71 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 0) | |
72 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) | |
73 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) | |
74 | ||
75 | (run-tests | |
76 | (lambda (a b c d) | |
77 | (string-append "fixnum-bit bits starting at " (number->string b))) | |
78 | (lambda (a b c d) | |
79 | (= (bit-extract a b c) d)) | |
80 | (list | |
81 | (list 0 0 (+ fixnum-bit 0) 0) | |
82 | (list 0 1 (+ fixnum-bit 1) 0) | |
83 | (list 0 2 (+ fixnum-bit 2) 0) | |
84 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 0) | |
85 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 0) | |
86 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) | |
87 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) | |
88 | ||
89 | (run-tests | |
90 | (lambda (a b c d) | |
91 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) | |
92 | (lambda (a b c d) | |
93 | (= (bit-extract a b c) d)) | |
94 | (list | |
95 | (list 0 0 (+ fixnum-bit 1) 0) | |
96 | (list 0 1 (+ fixnum-bit 2) 0) | |
97 | (list 0 2 (+ fixnum-bit 3) 0) | |
98 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 0) | |
99 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 0) | |
100 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) | |
101 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) | |
102 | ||
103 | (with-test-prefix "extract from fixnum-max" | |
104 | ||
105 | (run-tests | |
106 | (lambda (a b c d) | |
107 | (string-append "single bit " (number->string b))) | |
108 | (lambda (a b c d) | |
109 | (= (bit-extract a b c) d)) | |
110 | (list | |
111 | (list fixnum-max 0 1 1) | |
112 | (list fixnum-max 1 2 1) | |
113 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit -1) 1) | |
114 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit 0) 0) | |
115 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit 1) 0) | |
116 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) | |
117 | ||
118 | (run-tests | |
119 | (lambda (a b c d) | |
120 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) | |
121 | (lambda (a b c d) | |
122 | (= (bit-extract a b c) d)) | |
123 | (list | |
124 | (list fixnum-max 0 (+ fixnum-bit -1) (ash fixnum-max 0)) | |
125 | (list fixnum-max 1 (+ fixnum-bit 0) (ash fixnum-max -1)) | |
126 | (list fixnum-max 2 (+ fixnum-bit 1) (ash fixnum-max -2)) | |
127 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 1) | |
128 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 0) | |
129 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) | |
130 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) | |
131 | ||
132 | (run-tests | |
133 | (lambda (a b c d) | |
134 | (string-append "fixnum-bit bits starting at " (number->string b))) | |
135 | (lambda (a b c d) | |
136 | (= (bit-extract a b c) d)) | |
137 | (list | |
138 | (list fixnum-max 0 (+ fixnum-bit 0) (ash fixnum-max 0)) | |
139 | (list fixnum-max 1 (+ fixnum-bit 1) (ash fixnum-max -1)) | |
140 | (list fixnum-max 2 (+ fixnum-bit 2) (ash fixnum-max -2)) | |
141 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 1) | |
142 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 0) | |
143 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) | |
144 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) | |
145 | ||
146 | (run-tests | |
147 | (lambda (a b c d) | |
148 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) | |
149 | (lambda (a b c d) | |
150 | (= (bit-extract a b c) d)) | |
151 | (list | |
152 | (list fixnum-max 0 (+ fixnum-bit 1) (ash fixnum-max 0)) | |
153 | (list fixnum-max 1 (+ fixnum-bit 2) (ash fixnum-max -1)) | |
154 | (list fixnum-max 2 (+ fixnum-bit 3) (ash fixnum-max -2)) | |
155 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 1) | |
156 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 0) | |
157 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) | |
158 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) | |
159 | ||
160 | (with-test-prefix "extract from fixnum-max + 1" | |
161 | ||
162 | (run-tests | |
163 | (lambda (a b c d) | |
164 | (string-append "single bit " (number->string b))) | |
165 | (lambda (a b c d) | |
166 | (= (bit-extract a b c) d)) | |
167 | (list | |
168 | (list (+ fixnum-max 1) 0 1 0) | |
169 | (list (+ fixnum-max 1) 1 2 0) | |
170 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit -1) 0) | |
171 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit 0) 1) | |
172 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit 1) 0) | |
173 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) | |
174 | ||
175 | (run-tests | |
176 | (lambda (a b c d) | |
177 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) | |
178 | (lambda (a b c d) | |
179 | (= (bit-extract a b c) d)) | |
180 | (list | |
181 | (list (+ fixnum-max 1) 0 (+ fixnum-bit -1) (ash 0 (- fixnum-bit 1))) | |
182 | (list (+ fixnum-max 1) 1 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 2))) | |
183 | (list (+ fixnum-max 1) 2 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 3))) | |
184 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 2) | |
185 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 1) | |
186 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) | |
187 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) | |
188 | ||
189 | (run-tests | |
190 | (lambda (a b c d) | |
191 | (string-append "fixnum-bit bits starting at " (number->string b))) | |
192 | (lambda (a b c d) | |
193 | (= (bit-extract a b c) d)) | |
194 | (list | |
195 | (list (+ fixnum-max 1) 0 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 1))) | |
196 | (list (+ fixnum-max 1) 1 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 2))) | |
197 | (list (+ fixnum-max 1) 2 (+ fixnum-bit 2) (ash 1 (- fixnum-bit 3))) | |
198 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 2) | |
199 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 1) | |
200 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) | |
201 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) | |
202 | ||
203 | (run-tests | |
204 | (lambda (a b c d) | |
205 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) | |
206 | (lambda (a b c d) | |
207 | (= (bit-extract a b c) d)) | |
208 | (list | |
209 | (list (+ fixnum-max 1) 0 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 1))) | |
210 | (list (+ fixnum-max 1) 1 (+ fixnum-bit 2) (ash 1 (- fixnum-bit 2))) | |
211 | (list (+ fixnum-max 1) 2 (+ fixnum-bit 3) (ash 1 (- fixnum-bit 3))) | |
212 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 2) | |
213 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 1) | |
214 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) | |
215 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) | |
216 | ||
217 | (with-test-prefix "extract from fixnum-min" | |
218 | ||
219 | (run-tests | |
220 | (lambda (a b c d) | |
221 | (string-append "single bit " (number->string b))) | |
222 | (lambda (a b c d) | |
223 | (= (bit-extract a b c) d)) | |
224 | (list | |
225 | (list fixnum-min 0 1 0) | |
226 | (list fixnum-min 1 2 0) | |
227 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit -1) 0) | |
228 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit 0) 1) | |
229 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit 1) 1) | |
230 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit 2) 1))) | |
231 | ||
232 | (run-tests | |
233 | (lambda (a b c d) | |
234 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) | |
235 | (lambda (a b c d) | |
236 | (= (bit-extract a b c) d)) | |
237 | (list | |
238 | (list fixnum-min 0 (+ fixnum-bit -1) (ash 0 (- fixnum-bit 1))) | |
239 | (list fixnum-min 1 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 2))) | |
240 | (list fixnum-min 2 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 3))) | |
122cf9a5 RB |
241 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) |
242 | (- (ash 1 (- fixnum-bit 1)) 2)) | |
243 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) | |
244 | (- (ash 1 (- fixnum-bit 1)) 1)) | |
245 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) | |
246 | (- (ash 1 (- fixnum-bit 1)) 1)) | |
247 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) | |
248 | (- (ash 1 (- fixnum-bit 1)) 1)))) | |
339bfe47 DH |
249 | |
250 | (run-tests | |
251 | (lambda (a b c d) | |
252 | (string-append "fixnum-bit bits starting at " (number->string b))) | |
253 | (lambda (a b c d) | |
254 | (= (bit-extract a b c) d)) | |
255 | (list | |
256 | (list fixnum-min 0 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 1))) | |
257 | (list fixnum-min 1 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 2))) | |
258 | (list fixnum-min 2 (+ fixnum-bit 2) (ash 7 (- fixnum-bit 3))) | |
122cf9a5 RB |
259 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) |
260 | (- (ash 1 fixnum-bit) 2)) | |
261 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) | |
262 | (- (ash 1 fixnum-bit) 1)) | |
263 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) | |
264 | (- (ash 1 fixnum-bit) 1)) | |
265 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) | |
266 | (- (ash 1 fixnum-bit) 1)))) | |
339bfe47 DH |
267 | |
268 | (run-tests | |
269 | (lambda (a b c d) | |
270 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) | |
271 | (lambda (a b c d) | |
272 | (= (bit-extract a b c) d)) | |
273 | (list | |
274 | (list fixnum-min 0 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 1))) | |
275 | (list fixnum-min 1 (+ fixnum-bit 2) (ash 7 (- fixnum-bit 2))) | |
276 | (list fixnum-min 2 (+ fixnum-bit 3) (ash 15 (- fixnum-bit 3))) | |
122cf9a5 RB |
277 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) |
278 | (- (ash 1 (+ fixnum-bit 1)) 2)) | |
279 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) | |
280 | (- (ash 1 (+ fixnum-bit 1)) 1)) | |
281 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) | |
282 | (- (ash 1 (+ fixnum-bit 1)) 1)) | |
283 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) | |
284 | (- (ash 1 (+ fixnum-bit 1)) 1))))) | |
339bfe47 DH |
285 | |
286 | (with-test-prefix "extract from fixnum-min - 1" | |
287 | ||
288 | (run-tests | |
289 | (lambda (a b c d) | |
290 | (string-append "single bit " (number->string b))) | |
291 | (lambda (a b c d) | |
292 | (= (bit-extract a b c) d)) | |
293 | (list | |
294 | (list (- fixnum-min 1) 0 1 1) | |
295 | (list (- fixnum-min 1) 1 2 1) | |
296 | (list (- fixnum-min 1) (+ fixnum-bit -2) (+ fixnum-bit -1) 1) | |
297 | (list (- fixnum-min 1) (+ fixnum-bit -1) (+ fixnum-bit 0) 0) | |
298 | (list (- fixnum-min 1) (+ fixnum-bit 0) (+ fixnum-bit 1) 1) | |
299 | (list (- fixnum-min 1) (+ fixnum-bit 1) (+ fixnum-bit 2) 1))) | |
300 | ||
301 | (run-tests | |
302 | (lambda (a b c d) | |
303 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) | |
304 | (lambda (a b c d) | |
305 | (= (bit-extract a b c) d)) | |
306 | (list | |
122cf9a5 RB |
307 | (list (- fixnum-min 1) 0 (+ fixnum-bit -1) |
308 | (- (ash 1 (- fixnum-bit 1)) 1 (ash 0 (- fixnum-bit 1)))) | |
309 | (list (- fixnum-min 1) 1 (+ fixnum-bit 0) | |
310 | (- (ash 1 (- fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 2)))) | |
311 | (list (- fixnum-min 1) 2 (+ fixnum-bit 1) | |
312 | (- (ash 1 (- fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 3)))) | |
313 | (list (- fixnum-min 1) (+ fixnum-bit -2) | |
314 | (+ fixnum-bit fixnum-bit -3) (- (ash 1 (- fixnum-bit 1)) 3)) | |
315 | (list (- fixnum-min 1) (+ fixnum-bit -1) | |
316 | (+ fixnum-bit fixnum-bit -2) (- (ash 1 (- fixnum-bit 1)) 2)) | |
317 | (list (- fixnum-min 1) (+ fixnum-bit 0) | |
318 | (+ fixnum-bit fixnum-bit -1) (- (ash 1 (- fixnum-bit 1)) 1)) | |
319 | (list (- fixnum-min 1) (+ fixnum-bit 1) | |
320 | (+ fixnum-bit fixnum-bit 0) (- (ash 1 (- fixnum-bit 1)) 1)))) | |
339bfe47 DH |
321 | |
322 | (run-tests | |
323 | (lambda (a b c d) | |
324 | (string-append "fixnum-bit bits starting at " (number->string b))) | |
325 | (lambda (a b c d) | |
326 | (= (bit-extract a b c) d)) | |
327 | (list | |
122cf9a5 RB |
328 | (list (- fixnum-min 1) 0 (+ fixnum-bit 0) |
329 | (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 1)))) | |
330 | (list (- fixnum-min 1) 1 (+ fixnum-bit 1) | |
331 | (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 2)))) | |
332 | (list (- fixnum-min 1) 2 (+ fixnum-bit 2) | |
333 | (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 3)))) | |
334 | (list (- fixnum-min 1) (+ fixnum-bit -2) | |
335 | (+ fixnum-bit fixnum-bit -2) (- (ash 1 fixnum-bit) 3)) | |
336 | (list (- fixnum-min 1) (+ fixnum-bit -1) | |
337 | (+ fixnum-bit fixnum-bit -1) (- (ash 1 fixnum-bit) 2)) | |
338 | (list (- fixnum-min 1) (+ fixnum-bit 0) | |
339 | (+ fixnum-bit fixnum-bit 0) (- (ash 1 fixnum-bit) 1)) | |
340 | (list (- fixnum-min 1) (+ fixnum-bit 1) | |
341 | (+ fixnum-bit fixnum-bit 1) (- (ash 1 fixnum-bit) 1)))) | |
339bfe47 DH |
342 | |
343 | (run-tests | |
344 | (lambda (a b c d) | |
345 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) | |
346 | (lambda (a b c d) | |
347 | (= (bit-extract a b c) d)) | |
348 | (list | |
122cf9a5 RB |
349 | (list (- fixnum-min 1) 0 (+ fixnum-bit 1) |
350 | (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 1)))) | |
351 | (list (- fixnum-min 1) 1 (+ fixnum-bit 2) | |
352 | (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 2)))) | |
353 | (list (- fixnum-min 1) 2 (+ fixnum-bit 3) | |
354 | (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 3)))) | |
355 | (list (- fixnum-min 1) (+ fixnum-bit -2) | |
356 | (+ fixnum-bit fixnum-bit -1) (- (ash 1 (+ fixnum-bit 1)) 3)) | |
357 | (list (- fixnum-min 1) (+ fixnum-bit -1) | |
358 | (+ fixnum-bit fixnum-bit 0) (- (ash 1 (+ fixnum-bit 1)) 2)) | |
359 | (list (- fixnum-min 1) (+ fixnum-bit 0) | |
360 | (+ fixnum-bit fixnum-bit 1) (- (ash 1 (+ fixnum-bit 1)) 1)) | |
361 | (list (- fixnum-min 1) (+ fixnum-bit 1) | |
362 | (+ fixnum-bit fixnum-bit 2) (- (ash 1 (+ fixnum-bit 1)) 1)))))) |