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This includes <assert.h>, <ctype.h>, <errno.h>, <float.h>, <iso646.h>, <limits.h>, <locale.h>, <math.h>, <setjmp.h>, <signal.h>, <stdarg.h>, <stddef.h>, <stdio.h>, <stdlib.h>, <string.h>, <time.h>, <wchar.h>, and <wctype.h>. * configure.ac: don't check for <limits.h>, <string.h>, <time.h>, <assert.h>. Remove AC_INCLUDES_DEFAULT macro * libguile/bytevectors.c: include <limits.h>, remove HAVE_LIMITS_H * libguile/filesys.c: include <string.h>, remove HAVE_STRING_H * libguile/fports.c: include <string.h>, remove HAVE_STRING_H * libguile/gen-scmconfig.c: remove HAVE_LIMITS_H, HAVE_TIME_H, STDC_HEADERS Remove SCM_HAVE_STDC_HEADERS * libguile/hash.c: include <wchar.h>, remove HAVE_WCHAR_H * libguile/net_db.c: include <string.h>, remove HAVE_STRING_H * libguile/numbers.h: remove SCM_HAVE_STDC_HEADERS * libguile/regex-posix.c: include <wchar.h>, remove HAVE_WCHAR_H (fixup_multibyte_match): always defined (scm_regexp_exec): use fixup_multibyte_match * libguile/scmsigs.c: remove STDC_HEADERS * libguile/socket.c: include <string.h>, remove HAVE_STRING_H * test-suite/standalone/test-unwind.c: include <string.h>, remove HAVE_STRING_H
728 lines
22 KiB
C
728 lines
22 KiB
C
#ifndef SCM_NUMBERS_H
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#define SCM_NUMBERS_H
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/* Copyright 1995-1996,1998,2000-2006,2008-2011,2013-2014,2016-2018,2021-2022
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Free Software Foundation, Inc.
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This file is part of Guile.
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Guile is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Guile is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with Guile. If not, see
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<https://www.gnu.org/licenses/>. */
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#include "libguile/scmconfig.h"
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/* gmp.h needs to be included with C++ linkage, if including Guile
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headers from a C++ compiler. */
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#ifdef __cplusplus
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extern "C++" {
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#endif
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#if SCM_ENABLE_MINI_GMP
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#ifdef BUILDING_LIBGUILE
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#include "libguile/mini-gmp.h"
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#endif
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#else
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#include <gmp.h>
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#endif
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#ifdef __cplusplus
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}
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#endif
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#include "libguile/error.h"
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#include "libguile/gc.h"
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#include "libguile/print.h"
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/* Immediate Numbers, also known as fixnums
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*
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* Inums are exact integers that fit within an SCM word
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* (along with two tagging bits).
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*
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* In the current implementation, Inums must also fit within a long
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* because that's what GMP's mpz_*_si functions accept. */
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typedef long scm_t_inum;
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#define SCM_I_FIXNUM_BIT (SCM_LONG_BIT - 2)
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#define SCM_MOST_NEGATIVE_FIXNUM (-1L << (SCM_I_FIXNUM_BIT - 1))
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#define SCM_MOST_POSITIVE_FIXNUM (- (SCM_MOST_NEGATIVE_FIXNUM + 1))
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/* SCM_SRS (X, Y) is signed right shift, defined as floor (X / 2^Y),
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where Y must be non-negative and less than the width in bits of X.
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It's common for >> to do this, but the C standards do not specify
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what happens when X is negative.
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NOTE: X must not perform side effects. */
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#if (-1 >> 2 == -1) && (-4 >> 2 == -1) && (-5 >> 2 == -2) && (-8 >> 2 == -2)
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# define SCM_SRS(x, y) ((x) >> (y))
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#else
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# define SCM_SRS(x, y) \
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((x) < 0 \
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? -1 - (scm_t_signed_bits) (~(scm_t_bits)(x) >> (y)) \
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: ((x) >> (y)))
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#endif
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/* The first implementation of SCM_I_INUM below depends on behavior that
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is specified by GNU C but not by C standards, namely that when
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casting to a signed integer of width N, the value is reduced modulo
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2^N to be within range of the type. The second implementation below
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should be portable to all conforming C implementations, but may be
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less efficient if the compiler is not sufficiently clever.
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NOTE: X must not perform side effects. */
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#ifdef __GNUC__
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# define SCM_I_INUM(x) (SCM_SRS ((scm_t_inum) SCM_UNPACK (x), 2))
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#else
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# define SCM_I_INUM(x) \
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(SCM_UNPACK (x) > SCM_T_SIGNED_BITS_MAX \
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? -1 - (scm_t_inum) (~SCM_UNPACK (x) >> 2) \
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: (scm_t_inum) (SCM_UNPACK (x) >> 2))
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#endif
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#define SCM_I_INUMP(x) (2 & SCM_UNPACK (x))
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#define SCM_I_NINUMP(x) (!SCM_I_INUMP (x))
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#define SCM_I_MAKINUM(x) \
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(SCM_PACK ((((scm_t_bits) (x)) << 2) + scm_tc2_int))
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/* SCM_FIXABLE is true if its long argument can be encoded in an SCM_INUM. */
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#define SCM_POSFIXABLE(n) ((n) <= SCM_MOST_POSITIVE_FIXNUM)
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#define SCM_NEGFIXABLE(n) ((n) >= SCM_MOST_NEGATIVE_FIXNUM)
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#define SCM_FIXABLE(n) (SCM_POSFIXABLE (n) && SCM_NEGFIXABLE (n))
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#define SCM_INUM0 (SCM_I_MAKINUM (0)) /* A name for 0 */
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#define SCM_INUM1 (SCM_I_MAKINUM (1)) /* A name for 1 */
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/* SCM_MAXEXP is the maximum double precision exponent
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* SCM_FLTMAX is less than or scm_equal the largest single precision float
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*/
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#ifndef GO32
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# include <float.h>
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# ifdef __MINGW32__
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# define copysign _copysign
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# define finite _finite
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# endif /* __MINGW32__ */
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#endif /* ndef GO32 */
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#ifdef DBL_MAX_10_EXP
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# define SCM_MAXEXP DBL_MAX_10_EXP
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#else
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# define SCM_MAXEXP 308 /* IEEE doubles */
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#endif /* def DBL_MAX_10_EXP */
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#ifdef FLT_MAX
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# define SCM_FLTMAX FLT_MAX
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#else
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# define SCM_FLTMAX 1e+23
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#endif /* def FLT_MAX */
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/* SCM_INTBUFLEN is the maximum number of characters neccessary for
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* the printed or scm_string representation of an intmax_t in
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* radix 2. The buffer passed to scm_iint2str and scm_iuint2str must
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* be of this size, for example.
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*/
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#define SCM_INTBUFLEN (5 + SCM_CHAR_BIT*sizeof(intmax_t))
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/* Numbers
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*/
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/* Note that scm_tc16_real and scm_tc16_complex are given tc16-codes that only
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* differ in one bit: This way, checking if an object is an inexact number can
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* be done quickly (using the TYP16S macro). */
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/* Number subtype 1 to 4 (note the dependency on the predicates SCM_INEXACTP
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* and SCM_NUMP) */
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#define scm_tc16_big (scm_tc7_number + 1 * 256L)
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#define scm_tc16_real (scm_tc7_number + 2 * 256L)
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#define scm_tc16_complex (scm_tc7_number + 3 * 256L)
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#define scm_tc16_fraction (scm_tc7_number + 4 * 256L)
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#define SCM_INEXACTP(x) \
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(!SCM_IMP (x) && (0xfeff & SCM_CELL_TYPE (x)) == scm_tc16_real)
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#define SCM_REALP(x) (SCM_HAS_TYP16 (x, scm_tc16_real))
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#define SCM_COMPLEXP(x) (SCM_HAS_TYP16 (x, scm_tc16_complex))
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#define SCM_REAL_VALUE(x) (((scm_t_double *) SCM2PTR (x))->real)
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#define SCM_COMPLEX_REAL(x) (((scm_t_complex *) SCM2PTR (x))->real)
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#define SCM_COMPLEX_IMAG(x) (((scm_t_complex *) SCM2PTR (x))->imag)
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#define SCM_BIGP(x) (SCM_HAS_TYP16 (x, scm_tc16_big))
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#define SCM_NUMBERP(x) (SCM_I_INUMP(x) || SCM_NUMP(x))
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#define SCM_NUMP(x) (SCM_HAS_TYP7 (x, scm_tc7_number))
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#define SCM_FRACTIONP(x) (SCM_HAS_TYP16 (x, scm_tc16_fraction))
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#define SCM_FRACTION_NUMERATOR(x) (SCM_CELL_OBJECT_1 (x))
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#define SCM_FRACTION_DENOMINATOR(x) (SCM_CELL_OBJECT_2 (x))
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typedef struct scm_t_double
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{
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SCM type;
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#if SCM_SIZEOF_UINTPTR_T != 8
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SCM pad;
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#endif
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double real;
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} scm_t_double;
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typedef struct scm_t_complex
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{
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SCM type;
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#if SCM_SIZEOF_UINTPTR_T != 8
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SCM pad;
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#endif
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double real;
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double imag;
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} scm_t_complex;
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SCM_API SCM scm_exact_p (SCM x);
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SCM_API int scm_is_exact (SCM x);
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SCM_API SCM scm_odd_p (SCM n);
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SCM_API SCM scm_even_p (SCM n);
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SCM_API SCM scm_finite_p (SCM x);
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SCM_API SCM scm_inf_p (SCM x);
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SCM_API SCM scm_nan_p (SCM x);
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SCM_API SCM scm_inf (void);
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SCM_API SCM scm_nan (void);
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SCM_API SCM scm_abs (SCM x);
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SCM_API SCM scm_quotient (SCM x, SCM y);
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SCM_API SCM scm_remainder (SCM x, SCM y);
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SCM_API SCM scm_modulo (SCM x, SCM y);
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SCM_API void scm_euclidean_divide (SCM x, SCM y, SCM *q, SCM *r);
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SCM_API SCM scm_euclidean_quotient (SCM x, SCM y);
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SCM_API SCM scm_euclidean_remainder (SCM x, SCM y);
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SCM_API void scm_floor_divide (SCM x, SCM y, SCM *q, SCM *r);
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SCM_API SCM scm_floor_quotient (SCM x, SCM y);
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SCM_API SCM scm_floor_remainder (SCM x, SCM y);
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SCM_API void scm_ceiling_divide (SCM x, SCM y, SCM *q, SCM *r);
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SCM_API SCM scm_ceiling_quotient (SCM x, SCM y);
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SCM_API SCM scm_ceiling_remainder (SCM x, SCM y);
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SCM_API void scm_truncate_divide (SCM x, SCM y, SCM *q, SCM *r);
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SCM_API SCM scm_truncate_quotient (SCM x, SCM y);
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SCM_API SCM scm_truncate_remainder (SCM x, SCM y);
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SCM_API void scm_centered_divide (SCM x, SCM y, SCM *q, SCM *r);
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SCM_API SCM scm_centered_quotient (SCM x, SCM y);
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SCM_API SCM scm_centered_remainder (SCM x, SCM y);
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SCM_API void scm_round_divide (SCM x, SCM y, SCM *q, SCM *r);
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SCM_API SCM scm_round_quotient (SCM x, SCM y);
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SCM_API SCM scm_round_remainder (SCM x, SCM y);
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SCM_API SCM scm_gcd (SCM x, SCM y);
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SCM_API SCM scm_lcm (SCM n1, SCM n2);
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SCM_API SCM scm_logand (SCM n1, SCM n2);
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SCM_API SCM scm_logior (SCM n1, SCM n2);
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SCM_API SCM scm_logxor (SCM n1, SCM n2);
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SCM_API SCM scm_logtest (SCM n1, SCM n2);
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SCM_API SCM scm_logbit_p (SCM n1, SCM n2);
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SCM_API SCM scm_lognot (SCM n);
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SCM_API SCM scm_modulo_expt (SCM n, SCM k, SCM m);
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SCM_API SCM scm_integer_expt (SCM z1, SCM z2);
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SCM_API SCM scm_ash (SCM n, SCM count);
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SCM_API SCM scm_round_ash (SCM n, SCM count);
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SCM_API SCM scm_bit_extract (SCM n, SCM start, SCM end);
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SCM_API SCM scm_logcount (SCM n);
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SCM_API SCM scm_integer_length (SCM n);
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SCM_INTERNAL SCM scm_i_euclidean_divide (SCM x, SCM y);
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SCM_INTERNAL SCM scm_i_floor_divide (SCM x, SCM y);
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SCM_INTERNAL SCM scm_i_ceiling_divide (SCM x, SCM y);
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SCM_INTERNAL SCM scm_i_truncate_divide (SCM x, SCM y);
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SCM_INTERNAL SCM scm_i_centered_divide (SCM x, SCM y);
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SCM_INTERNAL SCM scm_i_round_divide (SCM x, SCM y);
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SCM_INTERNAL SCM scm_i_gcd (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_lcm (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_logand (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_logior (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_logxor (SCM x, SCM y, SCM rest);
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SCM_API size_t scm_iint2str (intmax_t num, int rad, char *p);
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SCM_API size_t scm_iuint2str (uintmax_t num, int rad, char *p);
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SCM_API SCM scm_number_to_string (SCM x, SCM radix);
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SCM_API int scm_print_real (SCM sexp, SCM port, scm_print_state *pstate);
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SCM_API int scm_print_complex (SCM sexp, SCM port, scm_print_state *pstate);
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SCM_API int scm_bigprint (SCM exp, SCM port, scm_print_state *pstate);
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SCM_API SCM scm_c_locale_stringn_to_number (const char *mem, size_t len,
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unsigned int radix);
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SCM_INTERNAL SCM scm_i_string_to_number (SCM str, unsigned int radix);
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SCM_API SCM scm_string_to_number (SCM str, SCM radix);
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SCM_API SCM scm_bigequal (SCM x, SCM y);
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SCM_API SCM scm_real_equalp (SCM x, SCM y);
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SCM_API SCM scm_complex_equalp (SCM x, SCM y);
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SCM_INTERNAL int scm_i_heap_numbers_equal_p (SCM x, SCM y);
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SCM_API SCM scm_number_p (SCM x);
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SCM_API SCM scm_complex_p (SCM x);
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SCM_API SCM scm_real_p (SCM x);
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SCM_API SCM scm_rational_p (SCM z);
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SCM_API SCM scm_integer_p (SCM x);
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SCM_API SCM scm_exact_integer_p (SCM x);
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SCM_API SCM scm_inexact_p (SCM x);
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SCM_API int scm_is_inexact (SCM x);
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SCM_API SCM scm_num_eq_p (SCM x, SCM y);
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SCM_API SCM scm_less_p (SCM x, SCM y);
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SCM_API SCM scm_gr_p (SCM x, SCM y);
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SCM_API SCM scm_leq_p (SCM x, SCM y);
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SCM_API SCM scm_geq_p (SCM x, SCM y);
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SCM_API SCM scm_zero_p (SCM z);
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SCM_API SCM scm_positive_p (SCM x);
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SCM_API SCM scm_negative_p (SCM x);
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SCM_API SCM scm_max (SCM x, SCM y);
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SCM_API SCM scm_min (SCM x, SCM y);
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SCM_API SCM scm_sum (SCM x, SCM y);
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SCM_API SCM scm_oneplus (SCM x);
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SCM_API SCM scm_difference (SCM x, SCM y);
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SCM_API SCM scm_oneminus (SCM x);
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SCM_API SCM scm_product (SCM x, SCM y);
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SCM_API SCM scm_divide (SCM x, SCM y);
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SCM_API SCM scm_floor (SCM x);
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SCM_API SCM scm_ceiling (SCM x);
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SCM_API double scm_c_truncate (double x);
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SCM_API double scm_c_round (double x);
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SCM_API SCM scm_truncate_number (SCM x);
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SCM_API SCM scm_round_number (SCM x);
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SCM_API SCM scm_expt (SCM z1, SCM z2);
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SCM_API SCM scm_sin (SCM z);
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SCM_API SCM scm_cos (SCM z);
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SCM_API SCM scm_tan (SCM z);
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SCM_API SCM scm_sinh (SCM z);
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SCM_API SCM scm_cosh (SCM z);
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SCM_API SCM scm_tanh (SCM z);
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SCM_API SCM scm_asin (SCM z);
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SCM_API SCM scm_acos (SCM z);
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SCM_API SCM scm_atan (SCM x, SCM y);
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SCM_API SCM scm_sys_asinh (SCM z);
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SCM_API SCM scm_sys_acosh (SCM z);
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SCM_API SCM scm_sys_atanh (SCM z);
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SCM_API SCM scm_make_rectangular (SCM z1, SCM z2);
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SCM_API SCM scm_make_polar (SCM z1, SCM z2);
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SCM_API SCM scm_real_part (SCM z);
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SCM_API SCM scm_imag_part (SCM z);
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SCM_API SCM scm_magnitude (SCM z);
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SCM_API SCM scm_angle (SCM z);
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SCM_API SCM scm_exact_to_inexact (SCM z);
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SCM_API SCM scm_inexact_to_exact (SCM z);
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SCM_API SCM scm_trunc (SCM x);
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SCM_API SCM scm_log (SCM z);
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SCM_API SCM scm_log10 (SCM z);
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SCM_API SCM scm_exp (SCM z);
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SCM_API SCM scm_sqrt (SCM z);
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SCM_API void scm_exact_integer_sqrt (SCM k, SCM *s, SCM *r);
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SCM_INTERNAL SCM scm_i_min (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_max (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_sum (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_difference (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_product (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_divide (SCM x, SCM y, SCM rest);
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SCM_INTERNAL SCM scm_i_exact_integer_sqrt (SCM k);
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/* ratio functions */
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SCM_API SCM scm_rationalize (SCM x, SCM err);
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SCM_API SCM scm_numerator (SCM z);
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SCM_API SCM scm_denominator (SCM z);
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/* fraction internal functions */
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SCM_INTERNAL double scm_i_fraction2double (SCM z);
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||
SCM_INTERNAL SCM scm_i_fraction_equalp (SCM x, SCM y);
|
||
SCM_INTERNAL int scm_i_print_fraction (SCM sexp, SCM port, scm_print_state *pstate);
|
||
|
||
/* general internal functions */
|
||
SCM_INTERNAL void scm_i_print_double (double val, SCM port);
|
||
SCM_INTERNAL void scm_i_print_complex (double real, double imag, SCM port);
|
||
|
||
/* conversion functions for integers */
|
||
|
||
SCM_API int scm_is_integer (SCM val);
|
||
SCM_API int scm_is_exact_integer (SCM val);
|
||
SCM_API int scm_is_signed_integer (SCM val,
|
||
intmax_t min, intmax_t max);
|
||
SCM_API int scm_is_unsigned_integer (SCM val,
|
||
uintmax_t min, uintmax_t max);
|
||
|
||
SCM_API SCM scm_from_signed_integer (intmax_t val);
|
||
SCM_API SCM scm_from_unsigned_integer (uintmax_t val);
|
||
|
||
SCM_API intmax_t scm_to_signed_integer (SCM val,
|
||
intmax_t min,
|
||
intmax_t max);
|
||
SCM_API uintmax_t scm_to_unsigned_integer (SCM val,
|
||
uintmax_t min,
|
||
uintmax_t max);
|
||
|
||
SCM_API int8_t scm_to_int8 (SCM x);
|
||
SCM_API SCM scm_from_int8 (int8_t x);
|
||
|
||
SCM_API uint8_t scm_to_uint8 (SCM x);
|
||
SCM_API SCM scm_from_uint8 (uint8_t x);
|
||
|
||
SCM_API int16_t scm_to_int16 (SCM x);
|
||
SCM_API SCM scm_from_int16 (int16_t x);
|
||
|
||
SCM_API uint16_t scm_to_uint16 (SCM x);
|
||
SCM_API SCM scm_from_uint16 (uint16_t x);
|
||
|
||
SCM_API int32_t scm_to_int32 (SCM x);
|
||
SCM_API SCM scm_from_int32 (int32_t x);
|
||
|
||
SCM_API uint32_t scm_to_uint32 (SCM x);
|
||
SCM_API SCM scm_from_uint32 (uint32_t x);
|
||
|
||
SCM_API scm_t_wchar scm_to_wchar (SCM x);
|
||
SCM_API SCM scm_from_wchar (scm_t_wchar x);
|
||
|
||
SCM_API int64_t scm_to_int64 (SCM x);
|
||
SCM_API SCM scm_from_int64 (int64_t x);
|
||
|
||
SCM_API uint64_t scm_to_uint64 (SCM x);
|
||
SCM_API SCM scm_from_uint64 (uint64_t x);
|
||
|
||
#if defined BUILDING_LIBGUILE && SCM_ENABLE_MINI_GMP
|
||
SCM_INTERNAL void scm_to_mpz (SCM x, mpz_t rop);
|
||
SCM_INTERNAL SCM scm_from_mpz (mpz_t rop);
|
||
#elif !SCM_ENABLE_MINI_GMP
|
||
SCM_API void scm_to_mpz (SCM x, mpz_t rop);
|
||
SCM_API SCM scm_from_mpz (mpz_t rop);
|
||
#endif
|
||
|
||
|
||
/* The conversion functions for other types are aliased to the
|
||
appropriate ones from above. We pick the right one based on the
|
||
size of the type.
|
||
|
||
Not each and every possibility is covered by the code below, and
|
||
while it is trivial to complete the tests, it might be better to
|
||
just test for the 'sane' possibilities. When one of the tests
|
||
below fails, chances are good that some silent assumption somewhere
|
||
else will also fail.
|
||
*/
|
||
|
||
#if SCM_SIZEOF_CHAR == 1
|
||
#define scm_to_schar scm_to_int8
|
||
#define scm_from_schar scm_from_int8
|
||
#define scm_to_uchar scm_to_uint8
|
||
#define scm_from_uchar scm_from_uint8
|
||
#if CHAR_MIN == 0
|
||
#define scm_to_char scm_to_uint8
|
||
#define scm_from_char scm_from_uint8
|
||
#else
|
||
#define scm_to_char scm_to_int8
|
||
#define scm_from_char scm_from_int8
|
||
#endif
|
||
#else
|
||
#error sizeof(char) is not 1.
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_SHORT == 1
|
||
#define scm_to_short scm_to_int8
|
||
#define scm_from_short scm_from_int8
|
||
#define scm_to_ushort scm_to_uint8
|
||
#define scm_from_ushort scm_from_uint8
|
||
#else
|
||
#if SCM_SIZEOF_SHORT == 2
|
||
#define scm_to_short scm_to_int16
|
||
#define scm_from_short scm_from_int16
|
||
#define scm_to_ushort scm_to_uint16
|
||
#define scm_from_ushort scm_from_uint16
|
||
#else
|
||
#if SCM_SIZEOF_SHORT == 4
|
||
#define scm_to_short scm_to_int32
|
||
#define scm_from_short scm_from_int32
|
||
#define scm_to_ushort scm_to_uint32
|
||
#define scm_from_ushort scm_from_uint32
|
||
#else
|
||
#error sizeof(short) is not 1, 2, or 4.
|
||
#endif
|
||
#endif
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_INT == 4
|
||
#define scm_to_int scm_to_int32
|
||
#define scm_from_int scm_from_int32
|
||
#define scm_to_uint scm_to_uint32
|
||
#define scm_from_uint scm_from_uint32
|
||
#else
|
||
#if SCM_SIZEOF_INT == 8
|
||
#define scm_to_int scm_to_int64
|
||
#define scm_from_int scm_from_int64
|
||
#define scm_to_uint scm_to_uint64
|
||
#define scm_from_uint scm_from_uint64
|
||
#else
|
||
#error sizeof(int) is not 4 or 8.
|
||
#endif
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_LONG == 4
|
||
#define scm_to_long scm_to_int32
|
||
#define scm_from_long scm_from_int32
|
||
#define scm_to_ulong scm_to_uint32
|
||
#define scm_from_ulong scm_from_uint32
|
||
#else
|
||
#if SCM_SIZEOF_LONG == 8
|
||
#define scm_to_long scm_to_int64
|
||
#define scm_from_long scm_from_int64
|
||
#define scm_to_ulong scm_to_uint64
|
||
#define scm_from_ulong scm_from_uint64
|
||
#else
|
||
#error sizeof(long) is not 4 or 8.
|
||
#endif
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_INTMAX == 4
|
||
#define scm_to_intmax scm_to_int32
|
||
#define scm_from_intmax scm_from_int32
|
||
#define scm_to_uintmax scm_to_uint32
|
||
#define scm_from_uintmax scm_from_uint32
|
||
#else
|
||
#if SCM_SIZEOF_INTMAX == 8
|
||
#define scm_to_intmax scm_to_int64
|
||
#define scm_from_intmax scm_from_int64
|
||
#define scm_to_uintmax scm_to_uint64
|
||
#define scm_from_uintmax scm_from_uint64
|
||
#else
|
||
#error sizeof(intmax_t) is not 4 or 8.
|
||
#endif
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_LONG_LONG == 0
|
||
#else
|
||
#if SCM_SIZEOF_LONG_LONG == 8
|
||
#define scm_to_long_long scm_to_int64
|
||
#define scm_from_long_long scm_from_int64
|
||
#define scm_to_ulong_long scm_to_uint64
|
||
#define scm_from_ulong_long scm_from_uint64
|
||
#else
|
||
#error sizeof(long long) is not 8.
|
||
#endif
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_SIZE_T == 4
|
||
#define scm_to_ssize_t scm_to_int32
|
||
#define scm_from_ssize_t scm_from_int32
|
||
#define scm_to_size_t scm_to_uint32
|
||
#define scm_from_size_t scm_from_uint32
|
||
#else
|
||
#if SCM_SIZEOF_SIZE_T == 8
|
||
#define scm_to_ssize_t scm_to_int64
|
||
#define scm_from_ssize_t scm_from_int64
|
||
#define scm_to_size_t scm_to_uint64
|
||
#define scm_from_size_t scm_from_uint64
|
||
#else
|
||
#error sizeof(size_t) is not 4 or 8.
|
||
#endif
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_SCM_T_PTRDIFF == 4
|
||
#define scm_to_ptrdiff_t scm_to_int32
|
||
#define scm_from_ptrdiff_t scm_from_int32
|
||
#else
|
||
#if SCM_SIZEOF_SCM_T_PTRDIFF == 8
|
||
#define scm_to_ptrdiff_t scm_to_int64
|
||
#define scm_from_ptrdiff_t scm_from_int64
|
||
#else
|
||
#error sizeof(ptrdiff_t) is not 4 or 8.
|
||
#endif
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_INTPTR_T == 0
|
||
/* No intptr_t; use size_t functions. */
|
||
#define scm_to_intptr_t scm_to_ssize_t
|
||
#define scm_from_intptr_t scm_from_ssize_t
|
||
#elif SCM_SIZEOF_INTPTR_T == 4
|
||
#define scm_to_intptr_t scm_to_int32
|
||
#define scm_from_intptr_t scm_from_int32
|
||
#elif SCM_SIZEOF_INTPTR_T == 8
|
||
#define scm_to_intptr_t scm_to_int64
|
||
#define scm_from_intptr_t scm_from_int64
|
||
#else
|
||
#error sizeof(intptr_t) is not 4 or 8.
|
||
#endif
|
||
|
||
#if SCM_SIZEOF_UINTPTR_T == 0
|
||
/* No uintptr_t; use size_t functions. */
|
||
#define scm_to_uintptr_t scm_to_size_t
|
||
#define scm_from_uintptr_t scm_from_size_t
|
||
#elif SCM_SIZEOF_UINTPTR_T == 4
|
||
#define scm_to_uintptr_t scm_to_uint32
|
||
#define scm_from_uintptr_t scm_from_uint32
|
||
#elif SCM_SIZEOF_UINTPTR_T == 8
|
||
#define scm_to_uintptr_t scm_to_uint64
|
||
#define scm_from_uintptr_t scm_from_uint64
|
||
#else
|
||
#error sizeof(uintptr_t) is not 4 or 8.
|
||
#endif
|
||
|
||
/* conversion functions for double */
|
||
|
||
SCM_API int scm_is_real (SCM val);
|
||
SCM_API int scm_is_rational (SCM val);
|
||
SCM_API double scm_to_double (SCM val);
|
||
SCM_API SCM scm_from_double (double val);
|
||
|
||
/* conversion functions for complex */
|
||
|
||
SCM_API int scm_is_complex (SCM val);
|
||
SCM_API SCM scm_c_make_rectangular (double re, double im);
|
||
SCM_API SCM scm_c_make_polar (double mag, double ang);
|
||
SCM_API double scm_c_real_part (SCM z);
|
||
SCM_API double scm_c_imag_part (SCM z);
|
||
SCM_API double scm_c_magnitude (SCM z);
|
||
SCM_API double scm_c_angle (SCM z);
|
||
|
||
SCM_API int scm_is_number (SCM val);
|
||
|
||
SCM_INTERNAL void scm_init_numbers (void);
|
||
|
||
|
||
|
||
#define SCM_NUM2SIZE(pos, arg) (scm_to_size_t (arg))
|
||
|
||
#define SCM_NUM2SIZE_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_size_t (arg))
|
||
|
||
#define SCM_NUM2PTRDIFF(pos, arg) (scm_to_ssize_t (arg))
|
||
|
||
#define SCM_NUM2PTRDIFF_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_ssize_t (arg))
|
||
|
||
#define SCM_NUM2SHORT(pos, arg) (scm_to_short (arg))
|
||
|
||
#define SCM_NUM2SHORT_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_short (arg))
|
||
|
||
#define SCM_NUM2USHORT(pos, arg) (scm_to_ushort (arg))
|
||
|
||
#define SCM_NUM2USHORT_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_ushort (arg))
|
||
|
||
#define SCM_NUM2INT(pos, arg) (scm_to_int (arg))
|
||
|
||
#define SCM_NUM2INT_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_int (arg))
|
||
|
||
#define SCM_NUM2UINT(pos, arg) (scm_to_uint (arg))
|
||
|
||
#define SCM_NUM2UINT_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_uint (arg))
|
||
|
||
#define SCM_NUM2ULONG(pos, arg) (scm_to_ulong (arg))
|
||
|
||
#define SCM_NUM2ULONG_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_ulong (arg))
|
||
|
||
#define SCM_NUM2LONG(pos, arg) (scm_to_long (arg))
|
||
|
||
#define SCM_NUM2LONG_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_long (arg))
|
||
|
||
#define SCM_NUM2LONG_LONG(pos, arg) (scm_to_long_long (arg))
|
||
|
||
#define SCM_NUM2LONG_LONG_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_long_long (arg))
|
||
|
||
#define SCM_NUM2ULONG_LONG(pos, arg) (scm_to_ulong_long (arg))
|
||
|
||
#define SCM_NUM2ULONG_LONG_DEF(pos, arg, def) \
|
||
(SCM_UNBNDP (arg) ? def : scm_to_ulong_long (arg))
|
||
|
||
#define SCM_NUM2SIZE(pos, arg) (scm_to_size_t (arg))
|
||
|
||
#define SCM_NUM2FLOAT(pos, arg) ((float) scm_to_double (arg))
|
||
|
||
#define SCM_NUM2DOUBLE(pos, arg) (scm_to_double (arg))
|
||
|
||
#define SCM_OUT_OF_RANGE(pos, arg) \
|
||
do { scm_out_of_range_pos (FUNC_NAME, arg, scm_from_int (pos)); } while (0)
|
||
|
||
#define SCM_ASSERT_RANGE(pos, arg, f) \
|
||
do { if (SCM_UNLIKELY (!(f))) \
|
||
scm_out_of_range_pos (FUNC_NAME, arg, scm_from_int (pos)); } \
|
||
while (0)
|
||
|
||
#define SCM_VALIDATE_REAL(pos, z) SCM_MAKE_VALIDATE_MSG (pos, z, REALP, "real")
|
||
|
||
#define SCM_VALIDATE_NUMBER(pos, z) SCM_MAKE_VALIDATE_MSG (pos, z, NUMBERP, "number")
|
||
|
||
#define SCM_VALIDATE_USHORT_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2USHORT (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_SHORT_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2SHORT (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_UINT_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2UINT (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_INT_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2INT (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_ULONG_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2ULONG (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_LONG_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2LONG (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_SIZE_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2SIZE (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_FLOAT_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2FLOAT (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_DOUBLE_COPY(pos, k, cvar) \
|
||
do { \
|
||
cvar = SCM_NUM2DOUBLE (pos, k); \
|
||
} while (0)
|
||
|
||
#define SCM_VALIDATE_DOUBLE_DEF_COPY(pos, k, default, cvar) \
|
||
do { \
|
||
if (SCM_UNBNDP (k)) \
|
||
{ \
|
||
k = scm_make_real (default); \
|
||
cvar = default; \
|
||
} \
|
||
else \
|
||
{ \
|
||
cvar = SCM_NUM2DOUBLE (pos, k); \
|
||
} \
|
||
} while (0)
|
||
|
||
|
||
|
||
|
||
#endif /* SCM_NUMBERS_H */
|