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fix deadlock in before-gc-hook on certain 7.2alpha gc versions
[bpt/guile.git] / libguile / numbers.h
CommitLineData
0f2d19dd
JB		 1/* classes: h_files */
2
3c9a524f
DH		 3#ifndef SCM_NUMBERS_H
4#define SCM_NUMBERS_H
dee01b01 5
cff5fa33 6/* Copyright (C) 1995,1996,1998,2000,2001,2002,2003,2004,2005, 2006, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
dee01b01 7 *
73be1d9e 8 * This library is free software; you can redistribute it and/or
53befeb7
NJ		 9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation; either version 3 of
11 * the License, or (at your option) any later version.
dee01b01 12 *
53befeb7
NJ		 13 * This library is distributed in the hope that it will be useful, but
14 * 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
53befeb7
NJ		 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 * 02110-1301 USA
73be1d9e 22 */
d3a6bc94 23
0f2d19dd
JB		 24\f
25
cd036260
MV		 26#include <gmp.h>
27
b4309c3c 28#include "libguile/__scm.h"
34f74fe1
MD		 29#include "libguile/print.h"
30
889975e5
MG		 31#ifndef SCM_T_WCHAR_DEFINED
32typedef scm_t_int32 scm_t_wchar;
33#define SCM_T_WCHAR_DEFINED
34#endif /* SCM_T_WCHAR_DEFINED */
35
0f2d19dd
JB		 36\f
37
14282d0f 38/* Immediate Numbers, also known as fixnums
0f2d19dd 39 *
14282d0f 40 * Inums are exact integer data that fits within an SCM word. */
0f2d19dd 41
c0060c95
MV		 42/* SCM_T_SIGNED_MAX is (- (expt 2 n) 1),
43 * SCM_MOST_POSITIVE_FIXNUM should be (- (expt 2 (- n 2)) 1)
44 * which is the same as (/ (- (expt 2 n) 4) 4)
45 */
46
004c0902 47#define SCM_I_FIXNUM_BIT (SCM_LONG_BIT - 2)
c0060c95 48#define SCM_MOST_POSITIVE_FIXNUM ((SCM_T_SIGNED_BITS_MAX-3)/4)
004c0902 49#define SCM_MOST_NEGATIVE_FIXNUM (-SCM_MOST_POSITIVE_FIXNUM-1)
5c75b29f 50
56100716
DH		 51/* SCM_SRS is signed right shift */
52#if (-1 == (((-1) << 2) + 2) >> 2)
14282d0f 53# define SCM_SRS(x, y) ((x) >> (y))
0f2d19dd 54#else
14282d0f 55# define SCM_SRS(x, y) ((x) < 0 ? ~((~(x)) >> (y)) : ((x) >> (y)))
56100716 56#endif /* (-1 == (((-1) << 2) + 2) >> 2) */
0f2d19dd
JB		 57
58
3aa13a05
MV		 59#define SCM_I_INUMP(x) (2 & SCM_UNPACK (x))
60#define SCM_I_NINUMP(x) (!SCM_I_INUMP (x))
5a572ca1 61#define SCM_I_MAKINUM(x) \
5d7d39ff 62 (SCM_PACK ((((scm_t_signed_bits) (x)) << 2) + scm_tc2_int))
3aa13a05 63#define SCM_I_INUM(x) (SCM_SRS ((scm_t_signed_bits) SCM_UNPACK (x), 2))
0f2d19dd 64
894a712b
DH		 65/* SCM_FIXABLE is true if its long argument can be encoded in an SCM_INUM. */
66#define SCM_POSFIXABLE(n) ((n) <= SCM_MOST_POSITIVE_FIXNUM)
67#define SCM_NEGFIXABLE(n) ((n) >= SCM_MOST_NEGATIVE_FIXNUM)
14282d0f 68#define SCM_FIXABLE(n) (SCM_POSFIXABLE (n) && SCM_NEGFIXABLE (n))
894a712b
DH		 69
70
cff5fa33
MW		 71#define SCM_INUM0 (SCM_I_MAKINUM (0)) /* A name for 0 */
72#define SCM_INUM1 (SCM_I_MAKINUM (1)) /* A name for 1 */
73
0f2d19dd 74
c0060c95 75/* SCM_MAXEXP is the maximum double precision exponent
88eb6852
MD		 76 * SCM_FLTMAX is less than or scm_equal the largest single precision float
77 */
78
f0ad7455
RB		 79#if SCM_HAVE_STDC_HEADERS
80# ifndef GO32
1e498fbd
SJ		 81# include <float.h>
82# ifdef __MINGW32__
83# define copysign _copysign
1e498fbd
SJ		 84# define finite _finite
85# endif /* __MINGW32__ */
f0ad7455 86# endif /* ndef GO32 */
88eb6852 87#endif /* def STDC_HEADERS */
f0ad7455 88
88eb6852 89#ifdef DBL_MAX_10_EXP
f0ad7455 90# define SCM_MAXEXP DBL_MAX_10_EXP
88eb6852 91#else
f0ad7455 92# define SCM_MAXEXP 308 /* IEEE doubles */
88eb6852 93#endif /* def DBL_MAX_10_EXP */
f0ad7455 94
88eb6852 95#ifdef FLT_MAX
f0ad7455 96# define SCM_FLTMAX FLT_MAX
88eb6852 97#else
f0ad7455 98# define SCM_FLTMAX 1e+23
88eb6852
MD		 99#endif /* def FLT_MAX */
100
0f2d19dd 101
2881e77b
MV		 102/* SCM_INTBUFLEN is the maximum number of characters neccessary for
103 * the printed or scm_string representation of an scm_t_intmax in
104 * radix 2. The buffer passed to scm_iint2str and scm_iuint2str must
105 * be of this size, for example.
0f2d19dd 106 */
2881e77b 107#define SCM_INTBUFLEN (5 + SCM_CHAR_BIT*sizeof(scm_t_intmax))
0f2d19dd
JB		 108
109\f
110
111/* Numbers
112 */
113
534c55a9
DH		 114
115/* Note that scm_tc16_real and scm_tc16_complex are given tc16-codes that only
116 * differ in one bit: This way, checking if an object is an inexact number can
117 * be done quickly (using the TYP16S macro). */
118
f03314f9
DH		 119/* Number subtype 1 to 3 (note the dependency on the predicates SCM_INEXACTP
120 * and SCM_NUMP) */
534c55a9
DH		 121#define scm_tc16_big (scm_tc7_number + 1 * 256L)
122#define scm_tc16_real (scm_tc7_number + 2 * 256L)
123#define scm_tc16_complex (scm_tc7_number + 3 * 256L)
f92e85f7 124#define scm_tc16_fraction (scm_tc7_number + 4 * 256L)
534c55a9 125
f03314f9
DH		 126#define SCM_INEXACTP(x) \
127 (!SCM_IMP (x) && (0xfeff & SCM_CELL_TYPE (x)) == scm_tc16_real)
0d5e3480
DH		 128#define SCM_REALP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_real)
129#define SCM_COMPLEXP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_complex)
88eb6852 130
92c2555f 131#define SCM_REAL_VALUE(x) (((scm_t_double *) SCM2PTR (x))->real)
03604fcf
LC		 132#define SCM_COMPLEX_REAL(x) (((scm_t_complex *) SCM2PTR (x))->real)
133#define SCM_COMPLEX_IMAG(x) (((scm_t_complex *) SCM2PTR (x))->imag)
0f2d19dd 134
d3e7e88d 135/* Each bignum is just an mpz_t stored in a double cell starting at word 1. */
fba8fdc0 136#define SCM_I_BIG_MPZ(x) (*((mpz_t *) (SCM_CELL_OBJECT_LOC((x),1))))
d3e7e88d 137#define SCM_BIGP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_big)
0f2d19dd 138
3aa13a05 139#define SCM_NUMBERP(x) (SCM_I_INUMP(x) || SCM_NUMP(x))
d3e7e88d 140#define SCM_NUMP(x) (!SCM_IMP(x) \
5093e518 141 && ((0x00ff & SCM_CELL_TYPE (x)) == scm_tc7_number))
f92e85f7
MV		 142
143#define SCM_FRACTIONP(x) (!SCM_IMP (x) && SCM_TYP16 (x) == scm_tc16_fraction)
651f07f8
DH		 144#define SCM_FRACTION_NUMERATOR(x) (SCM_CELL_OBJECT_1 (x))
145#define SCM_FRACTION_DENOMINATOR(x) (SCM_CELL_OBJECT_2 (x))
88eb6852 146
0f2d19dd
JB		 147\f
148
92c2555f 149typedef struct scm_t_double
0f2d19dd
JB		 150{
151 SCM type;
88eb6852
MD		 152 SCM pad;
153 double real;
92c2555f 154} scm_t_double;
0f2d19dd 155
92c2555f 156typedef struct scm_t_complex
0f2d19dd 157{
03604fcf
LC		 158 SCM type;
159 SCM pad;
88eb6852
MD		 160 double real;
161 double imag;
92c2555f 162} scm_t_complex;
0f2d19dd 163
904a78f1 164
0f2d19dd 165\f
0f2d19dd 166
33b001fd 167SCM_API SCM scm_exact_p (SCM x);
022dda69 168SCM_API int scm_is_exact (SCM x);
33b001fd
MV		 169SCM_API SCM scm_odd_p (SCM n);
170SCM_API SCM scm_even_p (SCM n);
2519490c
MW		 171SCM_API SCM scm_finite_p (SCM x);
172SCM_API SCM scm_inf_p (SCM x);
173SCM_API SCM scm_nan_p (SCM x);
232898d9
MV		 174SCM_API SCM scm_inf (void);
175SCM_API SCM scm_nan (void);
33b001fd
MV		 176SCM_API SCM scm_abs (SCM x);
177SCM_API SCM scm_quotient (SCM x, SCM y);
178SCM_API SCM scm_remainder (SCM x, SCM y);
179SCM_API SCM scm_modulo (SCM x, SCM y);
5fbf680b 180SCM_API void scm_euclidean_divide (SCM x, SCM y, SCM *q, SCM *r);
ff62c168
MW		 181SCM_API SCM scm_euclidean_quotient (SCM x, SCM y);
182SCM_API SCM scm_euclidean_remainder (SCM x, SCM y);
8f9da340
MW		 183SCM_API void scm_floor_divide (SCM x, SCM y, SCM *q, SCM *r);
184SCM_API SCM scm_floor_quotient (SCM x, SCM y);
185SCM_API SCM scm_floor_remainder (SCM x, SCM y);
186SCM_API void scm_ceiling_divide (SCM x, SCM y, SCM *q, SCM *r);
187SCM_API SCM scm_ceiling_quotient (SCM x, SCM y);
188SCM_API SCM scm_ceiling_remainder (SCM x, SCM y);
189SCM_API void scm_truncate_divide (SCM x, SCM y, SCM *q, SCM *r);
190SCM_API SCM scm_truncate_quotient (SCM x, SCM y);
191SCM_API SCM scm_truncate_remainder (SCM x, SCM y);
5fbf680b 192SCM_API void scm_centered_divide (SCM x, SCM y, SCM *q, SCM *r);
ff62c168
MW		 193SCM_API SCM scm_centered_quotient (SCM x, SCM y);
194SCM_API SCM scm_centered_remainder (SCM x, SCM y);
8f9da340
MW		 195SCM_API void scm_round_divide (SCM x, SCM y, SCM *q, SCM *r);
196SCM_API SCM scm_round_quotient (SCM x, SCM y);
197SCM_API SCM scm_round_remainder (SCM x, SCM y);
33b001fd
MV		 198SCM_API SCM scm_gcd (SCM x, SCM y);
199SCM_API SCM scm_lcm (SCM n1, SCM n2);
200SCM_API SCM scm_logand (SCM n1, SCM n2);
201SCM_API SCM scm_logior (SCM n1, SCM n2);
202SCM_API SCM scm_logxor (SCM n1, SCM n2);
203SCM_API SCM scm_logtest (SCM n1, SCM n2);
204SCM_API SCM scm_logbit_p (SCM n1, SCM n2);
205SCM_API SCM scm_lognot (SCM n);
d885e204 206SCM_API SCM scm_modulo_expt (SCM n, SCM k, SCM m);
33b001fd
MV		 207SCM_API SCM scm_integer_expt (SCM z1, SCM z2);
208SCM_API SCM scm_ash (SCM n, SCM cnt);
209SCM_API SCM scm_bit_extract (SCM n, SCM start, SCM end);
210SCM_API SCM scm_logcount (SCM n);
211SCM_API SCM scm_integer_length (SCM n);
1be6b49c 212
5fbf680b 213SCM_INTERNAL SCM scm_i_euclidean_divide (SCM x, SCM y);
8f9da340
MW		 214SCM_INTERNAL SCM scm_i_floor_divide (SCM x, SCM y);
215SCM_INTERNAL SCM scm_i_ceiling_divide (SCM x, SCM y);
216SCM_INTERNAL SCM scm_i_truncate_divide (SCM x, SCM y);
5fbf680b 217SCM_INTERNAL SCM scm_i_centered_divide (SCM x, SCM y);
8f9da340 218SCM_INTERNAL SCM scm_i_round_divide (SCM x, SCM y);
5fbf680b 219
78d3deb1
AW		 220SCM_INTERNAL SCM scm_i_gcd (SCM x, SCM y, SCM rest);
221SCM_INTERNAL SCM scm_i_lcm (SCM x, SCM y, SCM rest);
222SCM_INTERNAL SCM scm_i_logand (SCM x, SCM y, SCM rest);
223SCM_INTERNAL SCM scm_i_logior (SCM x, SCM y, SCM rest);
224SCM_INTERNAL SCM scm_i_logxor (SCM x, SCM y, SCM rest);
225
2881e77b
MV		 226SCM_API size_t scm_iint2str (scm_t_intmax num, int rad, char *p);
227SCM_API size_t scm_iuint2str (scm_t_uintmax num, int rad, char *p);
33b001fd
MV		 228SCM_API SCM scm_number_to_string (SCM x, SCM radix);
229SCM_API int scm_print_real (SCM sexp, SCM port, scm_print_state *pstate);
230SCM_API int scm_print_complex (SCM sexp, SCM port, scm_print_state *pstate);
231SCM_API int scm_bigprint (SCM exp, SCM port, scm_print_state *pstate);
2b829bbb
KR		 232SCM_API SCM scm_c_locale_stringn_to_number (const char *mem, size_t len,
233 unsigned int radix);
3f47e526 234SCM_INTERNAL SCM scm_i_string_to_number (SCM str, unsigned int radix);
33b001fd 235SCM_API SCM scm_string_to_number (SCM str, SCM radix);
33b001fd
MV		 236SCM_API SCM scm_bigequal (SCM x, SCM y);
237SCM_API SCM scm_real_equalp (SCM x, SCM y);
238SCM_API SCM scm_complex_equalp (SCM x, SCM y);
239SCM_API SCM scm_number_p (SCM x);
8507ec80 240SCM_API SCM scm_complex_p (SCM x);
33b001fd 241SCM_API SCM scm_real_p (SCM x);
8507ec80 242SCM_API SCM scm_rational_p (SCM z);
33b001fd
MV		 243SCM_API SCM scm_integer_p (SCM x);
244SCM_API SCM scm_inexact_p (SCM x);
022dda69 245SCM_API int scm_is_inexact (SCM x);
33b001fd
MV		 246SCM_API SCM scm_num_eq_p (SCM x, SCM y);
247SCM_API SCM scm_less_p (SCM x, SCM y);
248SCM_API SCM scm_gr_p (SCM x, SCM y);
249SCM_API SCM scm_leq_p (SCM x, SCM y);
250SCM_API SCM scm_geq_p (SCM x, SCM y);
251SCM_API SCM scm_zero_p (SCM z);
252SCM_API SCM scm_positive_p (SCM x);
253SCM_API SCM scm_negative_p (SCM x);
254SCM_API SCM scm_max (SCM x, SCM y);
255SCM_API SCM scm_min (SCM x, SCM y);
256SCM_API SCM scm_sum (SCM x, SCM y);
40882e3d 257SCM_API SCM scm_oneplus (SCM x);
33b001fd 258SCM_API SCM scm_difference (SCM x, SCM y);
40882e3d 259SCM_API SCM scm_oneminus (SCM x);
33b001fd 260SCM_API SCM scm_product (SCM x, SCM y);
33b001fd 261SCM_API SCM scm_divide (SCM x, SCM y);
f92e85f7
MV		 262SCM_API SCM scm_floor (SCM x);
263SCM_API SCM scm_ceiling (SCM x);
3101f40f
MV		 264SCM_API double scm_c_truncate (double x);
265SCM_API double scm_c_round (double x);
f92e85f7
MV		 266SCM_API SCM scm_truncate_number (SCM x);
267SCM_API SCM scm_round_number (SCM x);
6fc4d012 268SCM_API SCM scm_expt (SCM z1, SCM z2);
ad79736c
AW		 269SCM_API SCM scm_sin (SCM z);
270SCM_API SCM scm_cos (SCM z);
271SCM_API SCM scm_tan (SCM z);
272SCM_API SCM scm_sinh (SCM z);
273SCM_API SCM scm_cosh (SCM z);
274SCM_API SCM scm_tanh (SCM z);
275SCM_API SCM scm_asin (SCM z);
276SCM_API SCM scm_acos (SCM z);
277SCM_API SCM scm_atan (SCM x, SCM y);
278SCM_API SCM scm_sys_asinh (SCM z);
279SCM_API SCM scm_sys_acosh (SCM z);
280SCM_API SCM scm_sys_atanh (SCM z);
33b001fd
MV		 281SCM_API SCM scm_make_rectangular (SCM z1, SCM z2);
282SCM_API SCM scm_make_polar (SCM z1, SCM z2);
283SCM_API SCM scm_real_part (SCM z);
284SCM_API SCM scm_imag_part (SCM z);
285SCM_API SCM scm_magnitude (SCM z);
286SCM_API SCM scm_angle (SCM z);
287SCM_API SCM scm_exact_to_inexact (SCM z);
288SCM_API SCM scm_inexact_to_exact (SCM z);
289SCM_API SCM scm_trunc (SCM x);
8ab3d8a0
KR		 290SCM_API SCM scm_log (SCM z);
291SCM_API SCM scm_log10 (SCM z);
292SCM_API SCM scm_exp (SCM z);
293SCM_API SCM scm_sqrt (SCM z);
882c8963 294SCM_API void scm_exact_integer_sqrt (SCM k, SCM *s, SCM *r);
33b001fd 295
78d3deb1
AW		 296SCM_INTERNAL SCM scm_i_min (SCM x, SCM y, SCM rest);
297SCM_INTERNAL SCM scm_i_max (SCM x, SCM y, SCM rest);
298SCM_INTERNAL SCM scm_i_sum (SCM x, SCM y, SCM rest);
299SCM_INTERNAL SCM scm_i_difference (SCM x, SCM y, SCM rest);
300SCM_INTERNAL SCM scm_i_product (SCM x, SCM y, SCM rest);
301SCM_INTERNAL SCM scm_i_divide (SCM x, SCM y, SCM rest);
882c8963 302SCM_INTERNAL SCM scm_i_exact_integer_sqrt (SCM k);
78d3deb1 303
d3e7e88d 304/* bignum internal functions */
102dbb6f
LC		 305SCM_INTERNAL SCM scm_i_mkbig (void);
306SCM_API /* FIXME: not internal */ SCM scm_i_normbig (SCM x);
307SCM_INTERNAL int scm_i_bigcmp (SCM a, SCM b);
308SCM_INTERNAL SCM scm_i_dbl2big (double d);
309SCM_INTERNAL SCM scm_i_dbl2num (double d);
310SCM_API /* FIXME: not internal */ double scm_i_big2dbl (SCM b);
311SCM_API /* FIXME: not internal */ SCM scm_i_long2big (long n);
312SCM_API /* FIXME: not internal */ SCM scm_i_ulong2big (unsigned long n);
313SCM_API /* FIXME: not internal */ SCM scm_i_clonebig (SCM src_big, int same_sign_p);
d3e7e88d 314
f92e85f7 315/* ratio functions */
f92e85f7
MV		 316SCM_API SCM scm_rationalize (SCM x, SCM err);
317SCM_API SCM scm_numerator (SCM z);
318SCM_API SCM scm_denominator (SCM z);
f92e85f7
MV		 319
320/* fraction internal functions */
102dbb6f
LC		 321SCM_INTERNAL double scm_i_fraction2double (SCM z);
322SCM_INTERNAL SCM scm_i_fraction_equalp (SCM x, SCM y);
323SCM_INTERNAL int scm_i_print_fraction (SCM sexp, SCM port, scm_print_state *pstate);
f92e85f7 324
b479fe9a 325/* general internal functions */
102dbb6f
LC		 326SCM_INTERNAL void scm_i_print_double (double val, SCM port);
327SCM_INTERNAL void scm_i_print_complex (double real, double imag, SCM port);
b479fe9a 328
d1b5b400 329/* conversion functions for integers */
73e4de09
MV		 330
331SCM_API int scm_is_integer (SCM val);
332SCM_API int scm_is_signed_integer (SCM val,
333 scm_t_intmax min, scm_t_intmax max);
334SCM_API int scm_is_unsigned_integer (SCM val,
335 scm_t_uintmax min, scm_t_uintmax max);
336
337SCM_API SCM scm_from_signed_integer (scm_t_intmax val);
338SCM_API SCM scm_from_unsigned_integer (scm_t_uintmax val);
339
340SCM_API scm_t_intmax scm_to_signed_integer (SCM val,
341 scm_t_intmax min,
342 scm_t_intmax max);
343SCM_API scm_t_uintmax scm_to_unsigned_integer (SCM val,
344 scm_t_uintmax min,
345 scm_t_uintmax max);
346
bfd7932e
MV		 347SCM_API scm_t_int8 scm_to_int8 (SCM x);
348SCM_API SCM scm_from_int8 (scm_t_int8 x);
349
350SCM_API scm_t_uint8 scm_to_uint8 (SCM x);
351SCM_API SCM scm_from_uint8 (scm_t_uint8 x);
352
353SCM_API scm_t_int16 scm_to_int16 (SCM x);
354SCM_API SCM scm_from_int16 (scm_t_int16 x);
355
356SCM_API scm_t_uint16 scm_to_uint16 (SCM x);
357SCM_API SCM scm_from_uint16 (scm_t_uint16 x);
358
359SCM_API scm_t_int32 scm_to_int32 (SCM x);
360SCM_API SCM scm_from_int32 (scm_t_int32 x);
361
362SCM_API scm_t_uint32 scm_to_uint32 (SCM x);
363SCM_API SCM scm_from_uint32 (scm_t_uint32 x);
364
904a78f1
MG		 365SCM_API scm_t_wchar scm_to_wchar (SCM x);
366SCM_API SCM scm_from_wchar (scm_t_wchar x);
367
bfd7932e
MV		 368SCM_API scm_t_int64 scm_to_int64 (SCM x);
369SCM_API SCM scm_from_int64 (scm_t_int64 x);
370
371SCM_API scm_t_uint64 scm_to_uint64 (SCM x);
372SCM_API SCM scm_from_uint64 (scm_t_uint64 x);
373
cd036260
MV		 374SCM_API void scm_to_mpz (SCM x, mpz_t rop);
375SCM_API SCM scm_from_mpz (mpz_t rop);
376
377
d1b5b400
MV		 378/* The conversion functions for other types are aliased to the
379 appropriate ones from above. We pick the right one based on the
380 size of the type.
381
382 Not each and every possibility is covered by the code below, and
383 while it is trivial to complete the tests, it might be better to
384 just test for the 'sane' possibilities. When one of the tests
385 below fails, chances are good that some silent assumption somewhere
386 else will also fail.
387*/
388
389#if SCM_SIZEOF_CHAR == 1
390#define scm_to_schar scm_to_int8
391#define scm_from_schar scm_from_int8
392#define scm_to_uchar scm_to_uint8
393#define scm_from_uchar scm_from_uint8
73e4de09 394#if CHAR_MIN == 0
d1b5b400
MV		 395#define scm_to_char scm_to_uint8
396#define scm_from_char scm_from_uint8
73e4de09 397#else
d1b5b400
MV		 398#define scm_to_char scm_to_int8
399#define scm_from_char scm_from_int8
73e4de09 400#endif
d1b5b400
MV		 401#else
402#error sizeof(char) is not 1.
22008a78
MV		 403#endif
404
d1b5b400
MV		 405#if SCM_SIZEOF_SHORT == 1
406#define scm_to_short scm_to_int8
407#define scm_from_short scm_from_int8
408#define scm_to_ushort scm_to_uint8
409#define scm_from_ushort scm_from_uint8
410#else
411#if SCM_SIZEOF_SHORT == 2
412#define scm_to_short scm_to_int16
413#define scm_from_short scm_from_int16
414#define scm_to_ushort scm_to_uint16
415#define scm_from_ushort scm_from_uint16
416#else
417#if SCM_SIZEOF_SHORT == 4
418#define scm_to_short scm_to_int32
419#define scm_from_short scm_from_int32
420#define scm_to_ushort scm_to_uint32
421#define scm_from_ushort scm_from_uint32
73e4de09 422#else
d1b5b400
MV		 423#error sizeof(short) is not 1, 2, or 4.
424#endif
425#endif
73e4de09
MV		 426#endif
427
d1b5b400
MV		 428#if SCM_SIZEOF_INT == 4
429#define scm_to_int scm_to_int32
430#define scm_from_int scm_from_int32
431#define scm_to_uint scm_to_uint32
432#define scm_from_uint scm_from_uint32
433#else
434#if SCM_SIZEOF_INT == 8
435#define scm_to_int scm_to_int64
436#define scm_from_int scm_from_int64
437#define scm_to_uint scm_to_uint64
438#define scm_from_uint scm_from_uint64
439#else
440#error sizeof(int) is not 4 or 8.
441#endif
442#endif
73e4de09 443
d1b5b400
MV		 444#if SCM_SIZEOF_LONG == 4
445#define scm_to_long scm_to_int32
446#define scm_from_long scm_from_int32
447#define scm_to_ulong scm_to_uint32
448#define scm_from_ulong scm_from_uint32
449#else
450#if SCM_SIZEOF_LONG == 8
451#define scm_to_long scm_to_int64
452#define scm_from_long scm_from_int64
453#define scm_to_ulong scm_to_uint64
454#define scm_from_ulong scm_from_uint64
455#else
456#error sizeof(long) is not 4 or 8.
457#endif
458#endif
73e4de09 459
d1b5b400
MV		 460#if SCM_SIZEOF_INTMAX == 4
461#define scm_to_intmax scm_to_int32
462#define scm_from_intmax scm_from_int32
463#define scm_to_uintmax scm_to_uint32
464#define scm_from_uintmax scm_from_uint32
465#else
466#if SCM_SIZEOF_INTMAX == 8
467#define scm_to_intmax scm_to_int64
468#define scm_from_intmax scm_from_int64
469#define scm_to_uintmax scm_to_uint64
470#define scm_from_uintmax scm_from_uint64
471#else
55f26379 472#error sizeof(scm_t_intmax) is not 4 or 8.
d1b5b400
MV		 473#endif
474#endif
73e4de09 475
d1b5b400
MV		 476#if SCM_SIZEOF_LONG_LONG == 0
477#else
478#if SCM_SIZEOF_LONG_LONG == 8
479#define scm_to_long_long scm_to_int64
480#define scm_from_long_long scm_from_int64
481#define scm_to_ulong_long scm_to_uint64
482#define scm_from_ulong_long scm_from_uint64
483#else
484#error sizeof(long long) is not 8.
485#endif
486#endif
73e4de09 487
d1b5b400
MV		 488#if SCM_SIZEOF_SIZE_T == 4
489#define scm_to_ssize_t scm_to_int32
490#define scm_from_ssize_t scm_from_int32
491#define scm_to_size_t scm_to_uint32
492#define scm_from_size_t scm_from_uint32
493#else
494#if SCM_SIZEOF_SIZE_T == 8
495#define scm_to_ssize_t scm_to_int64
496#define scm_from_ssize_t scm_from_int64
497#define scm_to_size_t scm_to_uint64
498#define scm_from_size_t scm_from_uint64
499#else
500#error sizeof(size_t) is not 4 or 8.
501#endif
22008a78
MV		 502#endif
503
8507ec80 504/* conversion functions for double */
22008a78 505
73e4de09 506SCM_API int scm_is_real (SCM val);
55f26379 507SCM_API int scm_is_rational (SCM val);
73e4de09
MV		 508SCM_API double scm_to_double (SCM val);
509SCM_API SCM scm_from_double (double val);
510
8507ec80
MV		 511/* conversion functions for complex */
512
513SCM_API int scm_is_complex (SCM val);
514SCM_API SCM scm_c_make_rectangular (double re, double im);
515SCM_API SCM scm_c_make_polar (double mag, double ang);
516SCM_API double scm_c_real_part (SCM z);
517SCM_API double scm_c_imag_part (SCM z);
518SCM_API double scm_c_magnitude (SCM z);
519SCM_API double scm_c_angle (SCM z);
520
521SCM_API int scm_is_number (SCM val);
522
102dbb6f 523SCM_INTERNAL void scm_init_numbers (void);
0f2d19dd 524
3c9a524f 525#endif /* SCM_NUMBERS_H */
89e00824
ML		 526
527/*
528 Local Variables:
529 c-file-style: "gnu"
530 End:
531*/
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