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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
3c9a524f DH |
3 | #ifndef SCM_NUMBERS_H |
4 | #define SCM_NUMBERS_H | |
dee01b01 | 5 | |
102dbb6f | 6 | /* Copyright (C) 1995,1996,1998,2000,2001,2002,2003,2004,2005, 2006, 2008 Free Software Foundation, Inc. |
dee01b01 | 7 | * |
73be1d9e MV |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
dee01b01 | 12 | * |
73be1d9e | 13 | * This library is distributed in the hope that it will be useful, |
0f2d19dd | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
73be1d9e MV |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
dee01b01 | 17 | * |
73be1d9e MV |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software | |
92205699 | 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 21 | */ |
d3a6bc94 | 22 | |
0f2d19dd JB |
23 | \f |
24 | ||
cd036260 MV |
25 | #include <gmp.h> |
26 | ||
b4309c3c | 27 | #include "libguile/__scm.h" |
34f74fe1 MD |
28 | #include "libguile/print.h" |
29 | ||
f0ad7455 RB |
30 | #if SCM_HAVE_FLOATINGPOINT_H |
31 | # include <floatingpoint.h> | |
232898d9 MV |
32 | #endif |
33 | ||
f0ad7455 RB |
34 | #if SCM_HAVE_IEEEFP_H |
35 | # include <ieeefp.h> | |
232898d9 MV |
36 | #endif |
37 | ||
f0ad7455 RB |
38 | #if SCM_HAVE_NAN_H |
39 | # if defined (SCO) | |
40 | # define _IEEE 1 | |
41 | # endif | |
42 | # include <nan.h> | |
43 | # if defined (SCO) | |
44 | # undef _IEEE | |
45 | # endif | |
46 | #endif /* SCM_HAVE_NAN_H */ | |
232898d9 | 47 | |
0f2d19dd JB |
48 | \f |
49 | ||
14282d0f | 50 | /* Immediate Numbers, also known as fixnums |
0f2d19dd | 51 | * |
14282d0f | 52 | * Inums are exact integer data that fits within an SCM word. */ |
0f2d19dd | 53 | |
c0060c95 MV |
54 | /* SCM_T_SIGNED_MAX is (- (expt 2 n) 1), |
55 | * SCM_MOST_POSITIVE_FIXNUM should be (- (expt 2 (- n 2)) 1) | |
56 | * which is the same as (/ (- (expt 2 n) 4) 4) | |
57 | */ | |
58 | ||
004c0902 | 59 | #define SCM_I_FIXNUM_BIT (SCM_LONG_BIT - 2) |
c0060c95 | 60 | #define SCM_MOST_POSITIVE_FIXNUM ((SCM_T_SIGNED_BITS_MAX-3)/4) |
004c0902 | 61 | #define SCM_MOST_NEGATIVE_FIXNUM (-SCM_MOST_POSITIVE_FIXNUM-1) |
5c75b29f | 62 | |
56100716 DH |
63 | /* SCM_SRS is signed right shift */ |
64 | #if (-1 == (((-1) << 2) + 2) >> 2) | |
14282d0f | 65 | # define SCM_SRS(x, y) ((x) >> (y)) |
0f2d19dd | 66 | #else |
14282d0f | 67 | # define SCM_SRS(x, y) ((x) < 0 ? ~((~(x)) >> (y)) : ((x) >> (y))) |
56100716 | 68 | #endif /* (-1 == (((-1) << 2) + 2) >> 2) */ |
0f2d19dd JB |
69 | |
70 | ||
3aa13a05 MV |
71 | #define SCM_I_INUMP(x) (2 & SCM_UNPACK (x)) |
72 | #define SCM_I_NINUMP(x) (!SCM_I_INUMP (x)) | |
5a572ca1 | 73 | #define SCM_I_MAKINUM(x) \ |
5d7d39ff | 74 | (SCM_PACK ((((scm_t_signed_bits) (x)) << 2) + scm_tc2_int)) |
3aa13a05 | 75 | #define SCM_I_INUM(x) (SCM_SRS ((scm_t_signed_bits) SCM_UNPACK (x), 2)) |
0f2d19dd | 76 | |
894a712b DH |
77 | /* SCM_FIXABLE is true if its long argument can be encoded in an SCM_INUM. */ |
78 | #define SCM_POSFIXABLE(n) ((n) <= SCM_MOST_POSITIVE_FIXNUM) | |
79 | #define SCM_NEGFIXABLE(n) ((n) >= SCM_MOST_NEGATIVE_FIXNUM) | |
14282d0f | 80 | #define SCM_FIXABLE(n) (SCM_POSFIXABLE (n) && SCM_NEGFIXABLE (n)) |
894a712b DH |
81 | |
82 | ||
56100716 | 83 | /* A name for 0. */ |
5a572ca1 | 84 | #define SCM_INUM0 (SCM_I_MAKINUM (0)) |
0f2d19dd | 85 | |
c0060c95 | 86 | /* SCM_MAXEXP is the maximum double precision exponent |
88eb6852 MD |
87 | * SCM_FLTMAX is less than or scm_equal the largest single precision float |
88 | */ | |
89 | ||
f0ad7455 RB |
90 | #if SCM_HAVE_STDC_HEADERS |
91 | # ifndef GO32 | |
1e498fbd SJ |
92 | # include <float.h> |
93 | # ifdef __MINGW32__ | |
94 | # define copysign _copysign | |
1e498fbd SJ |
95 | # define finite _finite |
96 | # endif /* __MINGW32__ */ | |
f0ad7455 | 97 | # endif /* ndef GO32 */ |
88eb6852 | 98 | #endif /* def STDC_HEADERS */ |
f0ad7455 | 99 | |
88eb6852 | 100 | #ifdef DBL_MAX_10_EXP |
f0ad7455 | 101 | # define SCM_MAXEXP DBL_MAX_10_EXP |
88eb6852 | 102 | #else |
f0ad7455 | 103 | # define SCM_MAXEXP 308 /* IEEE doubles */ |
88eb6852 | 104 | #endif /* def DBL_MAX_10_EXP */ |
f0ad7455 | 105 | |
88eb6852 | 106 | #ifdef FLT_MAX |
f0ad7455 | 107 | # define SCM_FLTMAX FLT_MAX |
88eb6852 | 108 | #else |
f0ad7455 | 109 | # define SCM_FLTMAX 1e+23 |
88eb6852 MD |
110 | #endif /* def FLT_MAX */ |
111 | ||
0f2d19dd | 112 | |
2881e77b MV |
113 | /* SCM_INTBUFLEN is the maximum number of characters neccessary for |
114 | * the printed or scm_string representation of an scm_t_intmax in | |
115 | * radix 2. The buffer passed to scm_iint2str and scm_iuint2str must | |
116 | * be of this size, for example. | |
0f2d19dd | 117 | */ |
2881e77b | 118 | #define SCM_INTBUFLEN (5 + SCM_CHAR_BIT*sizeof(scm_t_intmax)) |
0f2d19dd JB |
119 | |
120 | \f | |
121 | ||
122 | /* Numbers | |
123 | */ | |
124 | ||
534c55a9 DH |
125 | |
126 | /* Note that scm_tc16_real and scm_tc16_complex are given tc16-codes that only | |
127 | * differ in one bit: This way, checking if an object is an inexact number can | |
128 | * be done quickly (using the TYP16S macro). */ | |
129 | ||
f03314f9 DH |
130 | /* Number subtype 1 to 3 (note the dependency on the predicates SCM_INEXACTP |
131 | * and SCM_NUMP) */ | |
534c55a9 DH |
132 | #define scm_tc16_big (scm_tc7_number + 1 * 256L) |
133 | #define scm_tc16_real (scm_tc7_number + 2 * 256L) | |
134 | #define scm_tc16_complex (scm_tc7_number + 3 * 256L) | |
f92e85f7 | 135 | #define scm_tc16_fraction (scm_tc7_number + 4 * 256L) |
534c55a9 | 136 | |
f03314f9 DH |
137 | #define SCM_INEXACTP(x) \ |
138 | (!SCM_IMP (x) && (0xfeff & SCM_CELL_TYPE (x)) == scm_tc16_real) | |
0d5e3480 DH |
139 | #define SCM_REALP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_real) |
140 | #define SCM_COMPLEXP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_complex) | |
88eb6852 | 141 | |
92c2555f MV |
142 | #define SCM_REAL_VALUE(x) (((scm_t_double *) SCM2PTR (x))->real) |
143 | #define SCM_COMPLEX_MEM(x) ((scm_t_complex *) SCM_CELL_WORD_1 (x)) | |
405aaef9 DH |
144 | #define SCM_COMPLEX_REAL(x) (SCM_COMPLEX_MEM (x)->real) |
145 | #define SCM_COMPLEX_IMAG(x) (SCM_COMPLEX_MEM (x)->imag) | |
0f2d19dd | 146 | |
d3e7e88d | 147 | /* Each bignum is just an mpz_t stored in a double cell starting at word 1. */ |
fba8fdc0 | 148 | #define SCM_I_BIG_MPZ(x) (*((mpz_t *) (SCM_CELL_OBJECT_LOC((x),1)))) |
d3e7e88d | 149 | #define SCM_BIGP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_big) |
0f2d19dd | 150 | |
3aa13a05 | 151 | #define SCM_NUMBERP(x) (SCM_I_INUMP(x) || SCM_NUMP(x)) |
d3e7e88d | 152 | #define SCM_NUMP(x) (!SCM_IMP(x) \ |
f92e85f7 MV |
153 | && (((0xfcff & SCM_CELL_TYPE (x)) == scm_tc7_number) \ |
154 | || ((0xfbff & SCM_CELL_TYPE (x)) == scm_tc7_number))) | |
155 | /* 0xfcff (#b1100) for 0 free, 1 big, 2 real, 3 complex, then 0xfbff (#b1011) for 4 fraction */ | |
156 | ||
157 | #define SCM_FRACTIONP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_fraction) | |
651f07f8 DH |
158 | #define SCM_FRACTION_NUMERATOR(x) (SCM_CELL_OBJECT_1 (x)) |
159 | #define SCM_FRACTION_DENOMINATOR(x) (SCM_CELL_OBJECT_2 (x)) | |
88eb6852 | 160 | |
0f2d19dd JB |
161 | \f |
162 | ||
92c2555f | 163 | typedef struct scm_t_double |
0f2d19dd JB |
164 | { |
165 | SCM type; | |
88eb6852 MD |
166 | SCM pad; |
167 | double real; | |
92c2555f | 168 | } scm_t_double; |
0f2d19dd | 169 | |
92c2555f | 170 | typedef struct scm_t_complex |
0f2d19dd | 171 | { |
88eb6852 MD |
172 | double real; |
173 | double imag; | |
92c2555f | 174 | } scm_t_complex; |
0f2d19dd | 175 | |
0f2d19dd | 176 | \f |
0f2d19dd | 177 | |
33b001fd MV |
178 | SCM_API SCM scm_exact_p (SCM x); |
179 | SCM_API SCM scm_odd_p (SCM n); | |
180 | SCM_API SCM scm_even_p (SCM n); | |
232898d9 MV |
181 | SCM_API SCM scm_inf_p (SCM n); |
182 | SCM_API SCM scm_nan_p (SCM n); | |
183 | SCM_API SCM scm_inf (void); | |
184 | SCM_API SCM scm_nan (void); | |
33b001fd MV |
185 | SCM_API SCM scm_abs (SCM x); |
186 | SCM_API SCM scm_quotient (SCM x, SCM y); | |
187 | SCM_API SCM scm_remainder (SCM x, SCM y); | |
188 | SCM_API SCM scm_modulo (SCM x, SCM y); | |
189 | SCM_API SCM scm_gcd (SCM x, SCM y); | |
190 | SCM_API SCM scm_lcm (SCM n1, SCM n2); | |
191 | SCM_API SCM scm_logand (SCM n1, SCM n2); | |
192 | SCM_API SCM scm_logior (SCM n1, SCM n2); | |
193 | SCM_API SCM scm_logxor (SCM n1, SCM n2); | |
194 | SCM_API SCM scm_logtest (SCM n1, SCM n2); | |
195 | SCM_API SCM scm_logbit_p (SCM n1, SCM n2); | |
196 | SCM_API SCM scm_lognot (SCM n); | |
d885e204 | 197 | SCM_API SCM scm_modulo_expt (SCM n, SCM k, SCM m); |
33b001fd MV |
198 | SCM_API SCM scm_integer_expt (SCM z1, SCM z2); |
199 | SCM_API SCM scm_ash (SCM n, SCM cnt); | |
200 | SCM_API SCM scm_bit_extract (SCM n, SCM start, SCM end); | |
201 | SCM_API SCM scm_logcount (SCM n); | |
202 | SCM_API SCM scm_integer_length (SCM n); | |
1be6b49c | 203 | |
2881e77b MV |
204 | SCM_API size_t scm_iint2str (scm_t_intmax num, int rad, char *p); |
205 | SCM_API size_t scm_iuint2str (scm_t_uintmax num, int rad, char *p); | |
33b001fd MV |
206 | SCM_API SCM scm_number_to_string (SCM x, SCM radix); |
207 | SCM_API int scm_print_real (SCM sexp, SCM port, scm_print_state *pstate); | |
208 | SCM_API int scm_print_complex (SCM sexp, SCM port, scm_print_state *pstate); | |
209 | SCM_API int scm_bigprint (SCM exp, SCM port, scm_print_state *pstate); | |
2b829bbb KR |
210 | SCM_API SCM scm_c_locale_stringn_to_number (const char *mem, size_t len, |
211 | unsigned int radix); | |
33b001fd | 212 | SCM_API SCM scm_string_to_number (SCM str, SCM radix); |
33b001fd MV |
213 | SCM_API SCM scm_bigequal (SCM x, SCM y); |
214 | SCM_API SCM scm_real_equalp (SCM x, SCM y); | |
215 | SCM_API SCM scm_complex_equalp (SCM x, SCM y); | |
216 | SCM_API SCM scm_number_p (SCM x); | |
8507ec80 | 217 | SCM_API SCM scm_complex_p (SCM x); |
33b001fd | 218 | SCM_API SCM scm_real_p (SCM x); |
8507ec80 | 219 | SCM_API SCM scm_rational_p (SCM z); |
33b001fd MV |
220 | SCM_API SCM scm_integer_p (SCM x); |
221 | SCM_API SCM scm_inexact_p (SCM x); | |
222 | SCM_API SCM scm_num_eq_p (SCM x, SCM y); | |
223 | SCM_API SCM scm_less_p (SCM x, SCM y); | |
224 | SCM_API SCM scm_gr_p (SCM x, SCM y); | |
225 | SCM_API SCM scm_leq_p (SCM x, SCM y); | |
226 | SCM_API SCM scm_geq_p (SCM x, SCM y); | |
227 | SCM_API SCM scm_zero_p (SCM z); | |
228 | SCM_API SCM scm_positive_p (SCM x); | |
229 | SCM_API SCM scm_negative_p (SCM x); | |
230 | SCM_API SCM scm_max (SCM x, SCM y); | |
231 | SCM_API SCM scm_min (SCM x, SCM y); | |
232 | SCM_API SCM scm_sum (SCM x, SCM y); | |
40882e3d | 233 | SCM_API SCM scm_oneplus (SCM x); |
33b001fd | 234 | SCM_API SCM scm_difference (SCM x, SCM y); |
40882e3d | 235 | SCM_API SCM scm_oneminus (SCM x); |
33b001fd | 236 | SCM_API SCM scm_product (SCM x, SCM y); |
33b001fd | 237 | SCM_API SCM scm_divide (SCM x, SCM y); |
f92e85f7 MV |
238 | SCM_API SCM scm_floor (SCM x); |
239 | SCM_API SCM scm_ceiling (SCM x); | |
33b001fd MV |
240 | SCM_API double scm_asinh (double x); |
241 | SCM_API double scm_acosh (double x); | |
242 | SCM_API double scm_atanh (double x); | |
3101f40f MV |
243 | SCM_API double scm_c_truncate (double x); |
244 | SCM_API double scm_c_round (double x); | |
f92e85f7 MV |
245 | SCM_API SCM scm_truncate_number (SCM x); |
246 | SCM_API SCM scm_round_number (SCM x); | |
33b001fd MV |
247 | SCM_API SCM scm_sys_expt (SCM z1, SCM z2); |
248 | SCM_API SCM scm_sys_atan2 (SCM z1, SCM z2); | |
249 | SCM_API SCM scm_make_rectangular (SCM z1, SCM z2); | |
250 | SCM_API SCM scm_make_polar (SCM z1, SCM z2); | |
251 | SCM_API SCM scm_real_part (SCM z); | |
252 | SCM_API SCM scm_imag_part (SCM z); | |
253 | SCM_API SCM scm_magnitude (SCM z); | |
254 | SCM_API SCM scm_angle (SCM z); | |
255 | SCM_API SCM scm_exact_to_inexact (SCM z); | |
256 | SCM_API SCM scm_inexact_to_exact (SCM z); | |
257 | SCM_API SCM scm_trunc (SCM x); | |
8ab3d8a0 KR |
258 | SCM_API SCM scm_log (SCM z); |
259 | SCM_API SCM scm_log10 (SCM z); | |
260 | SCM_API SCM scm_exp (SCM z); | |
261 | SCM_API SCM scm_sqrt (SCM z); | |
33b001fd | 262 | |
d3e7e88d | 263 | /* bignum internal functions */ |
102dbb6f LC |
264 | SCM_INTERNAL SCM scm_i_mkbig (void); |
265 | SCM_API /* FIXME: not internal */ SCM scm_i_normbig (SCM x); | |
266 | SCM_INTERNAL int scm_i_bigcmp (SCM a, SCM b); | |
267 | SCM_INTERNAL SCM scm_i_dbl2big (double d); | |
268 | SCM_INTERNAL SCM scm_i_dbl2num (double d); | |
269 | SCM_API /* FIXME: not internal */ double scm_i_big2dbl (SCM b); | |
270 | SCM_API /* FIXME: not internal */ SCM scm_i_long2big (long n); | |
271 | SCM_API /* FIXME: not internal */ SCM scm_i_ulong2big (unsigned long n); | |
272 | SCM_API /* FIXME: not internal */ SCM scm_i_clonebig (SCM src_big, int same_sign_p); | |
d3e7e88d | 273 | |
f92e85f7 | 274 | /* ratio functions */ |
f92e85f7 MV |
275 | SCM_API SCM scm_rationalize (SCM x, SCM err); |
276 | SCM_API SCM scm_numerator (SCM z); | |
277 | SCM_API SCM scm_denominator (SCM z); | |
f92e85f7 MV |
278 | |
279 | /* fraction internal functions */ | |
102dbb6f LC |
280 | SCM_INTERNAL double scm_i_fraction2double (SCM z); |
281 | SCM_INTERNAL SCM scm_i_fraction_equalp (SCM x, SCM y); | |
282 | SCM_INTERNAL int scm_i_print_fraction (SCM sexp, SCM port, scm_print_state *pstate); | |
f92e85f7 | 283 | |
b479fe9a | 284 | /* general internal functions */ |
102dbb6f LC |
285 | SCM_INTERNAL void scm_i_print_double (double val, SCM port); |
286 | SCM_INTERNAL void scm_i_print_complex (double real, double imag, SCM port); | |
b479fe9a | 287 | |
d1b5b400 | 288 | /* conversion functions for integers */ |
73e4de09 MV |
289 | |
290 | SCM_API int scm_is_integer (SCM val); | |
291 | SCM_API int scm_is_signed_integer (SCM val, | |
292 | scm_t_intmax min, scm_t_intmax max); | |
293 | SCM_API int scm_is_unsigned_integer (SCM val, | |
294 | scm_t_uintmax min, scm_t_uintmax max); | |
295 | ||
296 | SCM_API SCM scm_from_signed_integer (scm_t_intmax val); | |
297 | SCM_API SCM scm_from_unsigned_integer (scm_t_uintmax val); | |
298 | ||
299 | SCM_API scm_t_intmax scm_to_signed_integer (SCM val, | |
300 | scm_t_intmax min, | |
301 | scm_t_intmax max); | |
302 | SCM_API scm_t_uintmax scm_to_unsigned_integer (SCM val, | |
303 | scm_t_uintmax min, | |
304 | scm_t_uintmax max); | |
305 | ||
bfd7932e MV |
306 | SCM_API scm_t_int8 scm_to_int8 (SCM x); |
307 | SCM_API SCM scm_from_int8 (scm_t_int8 x); | |
308 | ||
309 | SCM_API scm_t_uint8 scm_to_uint8 (SCM x); | |
310 | SCM_API SCM scm_from_uint8 (scm_t_uint8 x); | |
311 | ||
312 | SCM_API scm_t_int16 scm_to_int16 (SCM x); | |
313 | SCM_API SCM scm_from_int16 (scm_t_int16 x); | |
314 | ||
315 | SCM_API scm_t_uint16 scm_to_uint16 (SCM x); | |
316 | SCM_API SCM scm_from_uint16 (scm_t_uint16 x); | |
317 | ||
318 | SCM_API scm_t_int32 scm_to_int32 (SCM x); | |
319 | SCM_API SCM scm_from_int32 (scm_t_int32 x); | |
320 | ||
321 | SCM_API scm_t_uint32 scm_to_uint32 (SCM x); | |
322 | SCM_API SCM scm_from_uint32 (scm_t_uint32 x); | |
323 | ||
324 | #if SCM_HAVE_T_INT64 | |
325 | ||
326 | SCM_API scm_t_int64 scm_to_int64 (SCM x); | |
327 | SCM_API SCM scm_from_int64 (scm_t_int64 x); | |
328 | ||
329 | SCM_API scm_t_uint64 scm_to_uint64 (SCM x); | |
330 | SCM_API SCM scm_from_uint64 (scm_t_uint64 x); | |
331 | ||
332 | #endif | |
333 | ||
cd036260 MV |
334 | SCM_API void scm_to_mpz (SCM x, mpz_t rop); |
335 | SCM_API SCM scm_from_mpz (mpz_t rop); | |
336 | ||
337 | ||
d1b5b400 MV |
338 | /* The conversion functions for other types are aliased to the |
339 | appropriate ones from above. We pick the right one based on the | |
340 | size of the type. | |
341 | ||
342 | Not each and every possibility is covered by the code below, and | |
343 | while it is trivial to complete the tests, it might be better to | |
344 | just test for the 'sane' possibilities. When one of the tests | |
345 | below fails, chances are good that some silent assumption somewhere | |
346 | else will also fail. | |
347 | */ | |
348 | ||
349 | #if SCM_SIZEOF_CHAR == 1 | |
350 | #define scm_to_schar scm_to_int8 | |
351 | #define scm_from_schar scm_from_int8 | |
352 | #define scm_to_uchar scm_to_uint8 | |
353 | #define scm_from_uchar scm_from_uint8 | |
73e4de09 | 354 | #if CHAR_MIN == 0 |
d1b5b400 MV |
355 | #define scm_to_char scm_to_uint8 |
356 | #define scm_from_char scm_from_uint8 | |
73e4de09 | 357 | #else |
d1b5b400 MV |
358 | #define scm_to_char scm_to_int8 |
359 | #define scm_from_char scm_from_int8 | |
73e4de09 | 360 | #endif |
d1b5b400 MV |
361 | #else |
362 | #error sizeof(char) is not 1. | |
22008a78 MV |
363 | #endif |
364 | ||
d1b5b400 MV |
365 | #if SCM_SIZEOF_SHORT == 1 |
366 | #define scm_to_short scm_to_int8 | |
367 | #define scm_from_short scm_from_int8 | |
368 | #define scm_to_ushort scm_to_uint8 | |
369 | #define scm_from_ushort scm_from_uint8 | |
370 | #else | |
371 | #if SCM_SIZEOF_SHORT == 2 | |
372 | #define scm_to_short scm_to_int16 | |
373 | #define scm_from_short scm_from_int16 | |
374 | #define scm_to_ushort scm_to_uint16 | |
375 | #define scm_from_ushort scm_from_uint16 | |
376 | #else | |
377 | #if SCM_SIZEOF_SHORT == 4 | |
378 | #define scm_to_short scm_to_int32 | |
379 | #define scm_from_short scm_from_int32 | |
380 | #define scm_to_ushort scm_to_uint32 | |
381 | #define scm_from_ushort scm_from_uint32 | |
73e4de09 | 382 | #else |
d1b5b400 MV |
383 | #error sizeof(short) is not 1, 2, or 4. |
384 | #endif | |
385 | #endif | |
73e4de09 MV |
386 | #endif |
387 | ||
d1b5b400 MV |
388 | #if SCM_SIZEOF_INT == 4 |
389 | #define scm_to_int scm_to_int32 | |
390 | #define scm_from_int scm_from_int32 | |
391 | #define scm_to_uint scm_to_uint32 | |
392 | #define scm_from_uint scm_from_uint32 | |
393 | #else | |
394 | #if SCM_SIZEOF_INT == 8 | |
395 | #define scm_to_int scm_to_int64 | |
396 | #define scm_from_int scm_from_int64 | |
397 | #define scm_to_uint scm_to_uint64 | |
398 | #define scm_from_uint scm_from_uint64 | |
399 | #else | |
400 | #error sizeof(int) is not 4 or 8. | |
401 | #endif | |
402 | #endif | |
73e4de09 | 403 | |
d1b5b400 MV |
404 | #if SCM_SIZEOF_LONG == 4 |
405 | #define scm_to_long scm_to_int32 | |
406 | #define scm_from_long scm_from_int32 | |
407 | #define scm_to_ulong scm_to_uint32 | |
408 | #define scm_from_ulong scm_from_uint32 | |
409 | #else | |
410 | #if SCM_SIZEOF_LONG == 8 | |
411 | #define scm_to_long scm_to_int64 | |
412 | #define scm_from_long scm_from_int64 | |
413 | #define scm_to_ulong scm_to_uint64 | |
414 | #define scm_from_ulong scm_from_uint64 | |
415 | #else | |
416 | #error sizeof(long) is not 4 or 8. | |
417 | #endif | |
418 | #endif | |
73e4de09 | 419 | |
d1b5b400 MV |
420 | #if SCM_SIZEOF_INTMAX == 4 |
421 | #define scm_to_intmax scm_to_int32 | |
422 | #define scm_from_intmax scm_from_int32 | |
423 | #define scm_to_uintmax scm_to_uint32 | |
424 | #define scm_from_uintmax scm_from_uint32 | |
425 | #else | |
426 | #if SCM_SIZEOF_INTMAX == 8 | |
427 | #define scm_to_intmax scm_to_int64 | |
428 | #define scm_from_intmax scm_from_int64 | |
429 | #define scm_to_uintmax scm_to_uint64 | |
430 | #define scm_from_uintmax scm_from_uint64 | |
431 | #else | |
55f26379 | 432 | #error sizeof(scm_t_intmax) is not 4 or 8. |
d1b5b400 MV |
433 | #endif |
434 | #endif | |
73e4de09 | 435 | |
d1b5b400 MV |
436 | #if SCM_SIZEOF_LONG_LONG == 0 |
437 | #else | |
438 | #if SCM_SIZEOF_LONG_LONG == 8 | |
439 | #define scm_to_long_long scm_to_int64 | |
440 | #define scm_from_long_long scm_from_int64 | |
441 | #define scm_to_ulong_long scm_to_uint64 | |
442 | #define scm_from_ulong_long scm_from_uint64 | |
443 | #else | |
444 | #error sizeof(long long) is not 8. | |
445 | #endif | |
446 | #endif | |
73e4de09 | 447 | |
d1b5b400 MV |
448 | #if SCM_SIZEOF_SIZE_T == 4 |
449 | #define scm_to_ssize_t scm_to_int32 | |
450 | #define scm_from_ssize_t scm_from_int32 | |
451 | #define scm_to_size_t scm_to_uint32 | |
452 | #define scm_from_size_t scm_from_uint32 | |
453 | #else | |
454 | #if SCM_SIZEOF_SIZE_T == 8 | |
455 | #define scm_to_ssize_t scm_to_int64 | |
456 | #define scm_from_ssize_t scm_from_int64 | |
457 | #define scm_to_size_t scm_to_uint64 | |
458 | #define scm_from_size_t scm_from_uint64 | |
459 | #else | |
460 | #error sizeof(size_t) is not 4 or 8. | |
461 | #endif | |
22008a78 MV |
462 | #endif |
463 | ||
8507ec80 | 464 | /* conversion functions for double */ |
22008a78 | 465 | |
73e4de09 | 466 | SCM_API int scm_is_real (SCM val); |
55f26379 | 467 | SCM_API int scm_is_rational (SCM val); |
73e4de09 MV |
468 | SCM_API double scm_to_double (SCM val); |
469 | SCM_API SCM scm_from_double (double val); | |
470 | ||
8507ec80 MV |
471 | /* conversion functions for complex */ |
472 | ||
473 | SCM_API int scm_is_complex (SCM val); | |
474 | SCM_API SCM scm_c_make_rectangular (double re, double im); | |
475 | SCM_API SCM scm_c_make_polar (double mag, double ang); | |
476 | SCM_API double scm_c_real_part (SCM z); | |
477 | SCM_API double scm_c_imag_part (SCM z); | |
478 | SCM_API double scm_c_magnitude (SCM z); | |
479 | SCM_API double scm_c_angle (SCM z); | |
480 | ||
481 | SCM_API int scm_is_number (SCM val); | |
482 | ||
102dbb6f | 483 | SCM_INTERNAL void scm_init_numbers (void); |
0f2d19dd | 484 | |
3c9a524f | 485 | #endif /* SCM_NUMBERS_H */ |
89e00824 ML |
486 | |
487 | /* | |
488 | Local Variables: | |
489 | c-file-style: "gnu" | |
490 | End: | |
491 | */ |