| /* |
| * Copyright (c) 2008-2010 Stefan Krah. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| |
| #ifndef MPDECIMAL_H |
| #define MPDECIMAL_H |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <limits.h> |
| #include <assert.h> |
| |
| #include "vccompat.h" |
| #ifndef UNUSED |
| #define UNUSED |
| #endif |
| |
| #define IMPORTEXPORT |
| #define EXTINLINE extern inline |
| |
| #if defined (BUILD_DLL) |
| #undef IMPORTEXPORT |
| #define IMPORTEXPORT __declspec( dllexport ) |
| #elif defined (USE_DLL) |
| #undef IMPORTEXPORT |
| #define IMPORTEXPORT __declspec( dllimport ) |
| #endif |
| |
| |
| /******************************************************************************/ |
| /* Types for 32 bit architectures */ |
| /******************************************************************************/ |
| |
| /* types for modular and base arithmetic */ |
| #define MPD_UINT_MAX UINT32_MAX |
| #define MPD_BITS_PER_UINT 32 |
| typedef uint32_t mpd_uint_t; /* unsigned mod type */ |
| |
| #ifndef LEGACY_COMPILER |
| #define MPD_UUINT_MAX UINT64_MAX |
| typedef uint64_t mpd_uuint_t; /* double width unsigned mod type */ |
| #endif |
| |
| #define MPD_SIZE_MAX SIZE_MAX |
| typedef size_t mpd_size_t; /* unsigned size type */ |
| |
| /* type for dec->len, dec->exp, ctx->prec */ |
| #define MPD_SSIZE_MAX INT32_MAX |
| #define MPD_SSIZE_MIN INT32_MIN |
| typedef int32_t mpd_ssize_t; |
| #define _mpd_strtossize strtol |
| |
| /* decimal arithmetic */ |
| #define MPD_RADIX 1000000000UL /* 10**9 */ |
| #define MPD_RDIGITS 9 |
| #define MPD_MAX_POW10 9 |
| #define MPD_EXPDIGITS 10 /* MPD_EXPDIGITS <= MPD_RDIGITS+1 */ |
| |
| #define MPD_MAXTRANSFORM_2N 33554432UL /* 2**25 */ |
| #define MPD_MAX_PREC 425000000L |
| #define MPD_MAX_PREC_LOG2 32 |
| #define MPD_ELIMIT 425000001L |
| #define MPD_MAX_EMAX 425000000L /* ELIMIT-1 */ |
| #define MPD_MIN_EMIN (-425000000L) /* -EMAX */ |
| #define MPD_MIN_ETINY (MPD_MIN_EMIN-(MPD_MAX_PREC-1)) |
| #define MPD_EXP_INF 1000000001L /* allows for emax=999999999 in the tests */ |
| #define MPD_EXP_CLAMP (-2000000001L) /* allows for emin=-999999999 in the tests */ |
| #define MPD_MAXIMPORT 94444445L /* ceil((2*MPD_MAX_PREC)/MPD_RDIGITS) */ |
| |
| |
| #if MPD_SIZE_MAX != MPD_UINT_MAX |
| #error "unsupported platform: need mpd_size_t == mpd_uint_t" |
| #endif |
| |
| |
| /******************************************************************************/ |
| /* Context */ |
| /******************************************************************************/ |
| |
| enum { |
| MPD_ROUND_UP, /* round away from 0 */ |
| MPD_ROUND_DOWN, /* round toward 0 (truncate) */ |
| MPD_ROUND_CEILING, /* round toward +infinity */ |
| MPD_ROUND_FLOOR, /* round toward -infinity */ |
| MPD_ROUND_HALF_UP, /* 0.5 is rounded up */ |
| MPD_ROUND_HALF_DOWN, /* 0.5 is rounded down */ |
| MPD_ROUND_HALF_EVEN, /* 0.5 is rounded to even */ |
| MPD_ROUND_05UP, /* round zero or five away from 0 */ |
| MPD_ROUND_TRUNC, /* truncate, but set infinity */ |
| MPD_ROUND_GUARD |
| }; |
| |
| enum { MPD_CLAMP_DEFAULT, MPD_CLAMP_IEEE_754, MPD_CLAMP_GUARD }; |
| |
| IMPORTEXPORT extern const char *mpd_round_string[MPD_ROUND_GUARD]; |
| IMPORTEXPORT extern const char *mpd_clamp_string[MPD_CLAMP_GUARD]; |
| |
| |
| typedef struct { |
| mpd_ssize_t prec; /* precision */ |
| mpd_ssize_t emax; /* max positive exp */ |
| mpd_ssize_t emin; /* min negative exp */ |
| uint32_t traps; /* status events that should be trapped */ |
| uint32_t status; /* status flags */ |
| uint32_t newtrap; /* set by mpd_addstatus_raise() */ |
| int round; /* rounding mode */ |
| int clamp; /* clamp mode */ |
| int allcr; /* all functions correctly rounded */ |
| } mpd_context_t; |
| |
| |
| /* Status flags */ |
| #define MPD_Clamped 0x00000001U |
| #define MPD_Conversion_syntax 0x00000002U |
| #define MPD_Division_by_zero 0x00000004U |
| #define MPD_Division_impossible 0x00000008U |
| #define MPD_Division_undefined 0x00000010U |
| #define MPD_Fpu_error 0x00000020U |
| #define MPD_Inexact 0x00000040U |
| #define MPD_Invalid_context 0x00000080U |
| #define MPD_Invalid_operation 0x00000100U |
| #define MPD_Malloc_error 0x00000200U |
| #define MPD_Not_implemented 0x00000400U |
| #define MPD_Overflow 0x00000800U |
| #define MPD_Rounded 0x00001000U |
| #define MPD_Subnormal 0x00002000U |
| #define MPD_Underflow 0x00004000U |
| #define MPD_Max_status (0x00008000U-1U) |
| |
| /* Conditions that result in an IEEE 754 exception */ |
| #define MPD_IEEE_Invalid_operation (MPD_Conversion_syntax | \ |
| MPD_Division_impossible | \ |
| MPD_Division_undefined | \ |
| MPD_Fpu_error | \ |
| MPD_Invalid_context | \ |
| MPD_Invalid_operation | \ |
| MPD_Malloc_error) \ |
| |
| /* Errors that require the result of an operation to be set to NaN */ |
| #define MPD_Errors (MPD_IEEE_Invalid_operation | \ |
| MPD_Division_by_zero) |
| |
| /* Default traps */ |
| #define MPD_Traps (MPD_IEEE_Invalid_operation | \ |
| MPD_Division_by_zero | \ |
| MPD_Overflow | \ |
| MPD_Underflow) |
| |
| /* Official name */ |
| #define MPD_Insufficient_storage MPD_Malloc_error |
| |
| /* IEEE 754 interchange format contexts */ |
| #define MPD_IEEE_CONTEXT_MAX_BITS 512 /* 16*(log2(MPD_MAX_EMAX / 3)-3) */ |
| #define MPD_DECIMAL32 32 |
| #define MPD_DECIMAL64 64 |
| #define MPD_DECIMAL128 128 |
| |
| |
| #define MPD_MINALLOC_MIN 2 |
| #define MPD_MINALLOC_MAX 64 |
| IMPORTEXPORT extern mpd_ssize_t MPD_MINALLOC; |
| IMPORTEXPORT extern void (* mpd_traphandler)(mpd_context_t *); |
| IMPORTEXPORT void mpd_dflt_traphandler(mpd_context_t *); |
| |
| IMPORTEXPORT void mpd_setminalloc(mpd_ssize_t n); |
| IMPORTEXPORT void mpd_init(mpd_context_t *ctx, mpd_ssize_t prec); |
| |
| IMPORTEXPORT void mpd_maxcontext(mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_maxcontext_plus(mpd_context_t *workctx, const mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_defaultcontext(mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_basiccontext(mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_ieee_context(mpd_context_t *ctx, int bits); |
| |
| IMPORTEXPORT mpd_ssize_t mpd_getprec(const mpd_context_t *ctx); |
| IMPORTEXPORT mpd_ssize_t mpd_getemax(const mpd_context_t *ctx); |
| IMPORTEXPORT mpd_ssize_t mpd_getemin(const mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_getround(const mpd_context_t *ctx); |
| IMPORTEXPORT uint32_t mpd_gettraps(const mpd_context_t *ctx); |
| IMPORTEXPORT uint32_t mpd_getstatus(const mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_getclamp(const mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_getcr(const mpd_context_t *ctx); |
| |
| IMPORTEXPORT int mpd_qsetprec(mpd_context_t *ctx, mpd_ssize_t prec); |
| IMPORTEXPORT int mpd_qsetemax(mpd_context_t *ctx, mpd_ssize_t emax); |
| IMPORTEXPORT int mpd_qsetemin(mpd_context_t *ctx, mpd_ssize_t emin); |
| IMPORTEXPORT int mpd_qsetround(mpd_context_t *ctx, int newround); |
| IMPORTEXPORT int mpd_qsettraps(mpd_context_t *ctx, uint32_t flags); |
| IMPORTEXPORT int mpd_qsetstatus(mpd_context_t *ctx, uint32_t flags); |
| IMPORTEXPORT int mpd_qsetclamp(mpd_context_t *ctx, int c); |
| IMPORTEXPORT int mpd_qsetcr(mpd_context_t *ctx, int c); |
| IMPORTEXPORT void mpd_addstatus_raise(mpd_context_t *ctx, uint32_t flags); |
| |
| |
| /******************************************************************************/ |
| /* Decimal Arithmetic */ |
| /******************************************************************************/ |
| |
| /* mpd_t flags */ |
| #define MPD_POS ((uint8_t)0) |
| #define MPD_NEG ((uint8_t)1) |
| #define MPD_INF ((uint8_t)2) |
| #define MPD_NAN ((uint8_t)4) |
| #define MPD_SNAN ((uint8_t)8) |
| #define MPD_SPECIAL (MPD_INF|MPD_NAN|MPD_SNAN) |
| #define MPD_STATIC ((uint8_t)16) |
| #define MPD_STATIC_DATA ((uint8_t)32) |
| #define MPD_SHARED_DATA ((uint8_t)64) |
| #define MPD_CONST_DATA ((uint8_t)128) |
| #define MPD_DATAFLAGS (MPD_STATIC_DATA|MPD_SHARED_DATA|MPD_CONST_DATA) |
| |
| /* mpd_t */ |
| typedef struct { |
| uint8_t flags; |
| mpd_ssize_t exp; |
| mpd_ssize_t digits; |
| mpd_ssize_t len; |
| mpd_ssize_t alloc; |
| mpd_uint_t *data; |
| } mpd_t; |
| |
| |
| typedef unsigned char uchar; |
| IMPORTEXPORT extern mpd_t mpd_ln10; |
| |
| |
| /******************************************************************************/ |
| /* Quiet, thread-safe functions */ |
| /******************************************************************************/ |
| |
| /* format specification */ |
| typedef struct { |
| mpd_ssize_t min_width; /* minimum field width */ |
| mpd_ssize_t prec; /* fraction digits or significant digits */ |
| char type; /* conversion specifier */ |
| char align; /* alignment */ |
| char sign; /* sign printing/alignment */ |
| char fill[5]; /* fill character */ |
| const char *dot; /* decimal point */ |
| const char *sep; /* thousands separator */ |
| const char *grouping; /* grouping of digits */ |
| } mpd_spec_t; |
| |
| /* output to a string */ |
| IMPORTEXPORT char *mpd_to_sci(const mpd_t *dec, int fmt); |
| IMPORTEXPORT char *mpd_to_eng(const mpd_t *dec, int fmt); |
| IMPORTEXPORT int mpd_parse_fmt_str(mpd_spec_t *spec, const char *fmt, int caps); |
| IMPORTEXPORT char * mpd_qformat_spec(const mpd_t *dec, mpd_spec_t *spec, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT char *mpd_qformat(const mpd_t *dec, const char *fmt, const mpd_context_t *ctx, uint32_t *status); |
| |
| #define MPD_NUM_FLAGS 15 |
| #define MPD_MAX_FLAG_STRING 208 |
| #define MPD_MAX_FLAG_LIST (MPD_MAX_FLAG_STRING+18) |
| #define MPD_MAX_SIGNAL_LIST 121 |
| IMPORTEXPORT int mpd_snprint_flags(char *dest, int nmemb, uint32_t flags); |
| IMPORTEXPORT int mpd_lsnprint_flags(char *dest, int nmemb, uint32_t flags, const char *flag_string[]); |
| IMPORTEXPORT int mpd_lsnprint_signals(char *dest, int nmemb, uint32_t flags, const char *signal_string[]); |
| |
| /* output to a file */ |
| IMPORTEXPORT void mpd_fprint(FILE *file, const mpd_t *dec); |
| IMPORTEXPORT void mpd_print(const mpd_t *dec); |
| |
| /* assignment from a string */ |
| IMPORTEXPORT void mpd_qset_string(mpd_t *dec, const char *s, const mpd_context_t *ctx, uint32_t *status); |
| |
| /* set to NaN with error flags */ |
| IMPORTEXPORT void mpd_seterror(mpd_t *result, uint32_t flags, uint32_t *status); |
| /* set a special with sign and type */ |
| IMPORTEXPORT void mpd_setspecial(mpd_t *dec, uint8_t sign, uint8_t type); |
| /* set coefficient to zero or all nines */ |
| IMPORTEXPORT void mpd_zerocoeff(mpd_t *result); |
| IMPORTEXPORT void mpd_qmaxcoeff(mpd_t *result, const mpd_context_t *ctx, uint32_t *status); |
| |
| /* quietly assign a C integer type to an mpd_t */ |
| IMPORTEXPORT void mpd_qset_ssize(mpd_t *result, mpd_ssize_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qset_i32(mpd_t *result, int32_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qset_i64(mpd_t *result, int64_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qset_uint(mpd_t *result, mpd_uint_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qset_u32(mpd_t *result, uint32_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qset_u64(mpd_t *result, uint64_t a, const mpd_context_t *ctx, uint32_t *status); |
| |
| /* quietly assign a C integer type to an mpd_t with a static coefficient */ |
| IMPORTEXPORT void mpd_qsset_ssize(mpd_t *result, mpd_ssize_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsset_i32(mpd_t *result, int32_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsset_uint(mpd_t *result, mpd_uint_t a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsset_u32(mpd_t *result, uint32_t a, const mpd_context_t *ctx, uint32_t *status); |
| |
| /* quietly get a C integer type from an mpd_t */ |
| IMPORTEXPORT mpd_ssize_t mpd_qget_ssize(const mpd_t *dec, uint32_t *status); |
| IMPORTEXPORT mpd_uint_t mpd_qget_uint(const mpd_t *dec, uint32_t *status); |
| IMPORTEXPORT mpd_uint_t mpd_qabs_uint(const mpd_t *dec, uint32_t *status); |
| |
| |
| /* quiet functions */ |
| IMPORTEXPORT int mpd_qcheck_nan(mpd_t *nanresult, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT int mpd_qcheck_nans(mpd_t *nanresult, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qfinalize(mpd_t *result, const mpd_context_t *ctx, uint32_t *status); |
| |
| IMPORTEXPORT const char * mpd_class(const mpd_t *a, const mpd_context_t *ctx); |
| |
| IMPORTEXPORT int mpd_qcopy(mpd_t *result, const mpd_t *a, uint32_t *status); |
| IMPORTEXPORT mpd_t *mpd_qncopy(const mpd_t *a); |
| IMPORTEXPORT int mpd_qcopy_abs(mpd_t *result, const mpd_t *a, uint32_t *status); |
| IMPORTEXPORT int mpd_qcopy_negate(mpd_t *result, const mpd_t *a, uint32_t *status); |
| IMPORTEXPORT int mpd_qcopy_sign(mpd_t *result, const mpd_t *a, const mpd_t *b, uint32_t *status); |
| |
| IMPORTEXPORT void mpd_qand(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qinvert(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qlogb(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qor(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qscaleb(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qxor(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT int mpd_same_quantum(const mpd_t *a, const mpd_t *b); |
| |
| IMPORTEXPORT void mpd_qrotate(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT int mpd_qshiftl(mpd_t *result, const mpd_t *a, mpd_ssize_t n, uint32_t *status); |
| IMPORTEXPORT mpd_uint_t mpd_qshiftr(mpd_t *result, const mpd_t *a, mpd_ssize_t n, uint32_t *status); |
| IMPORTEXPORT mpd_uint_t mpd_qshiftr_inplace(mpd_t *result, mpd_ssize_t n); |
| IMPORTEXPORT void mpd_qshift(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qshiftn(mpd_t *result, const mpd_t *a, mpd_ssize_t n, const mpd_context_t *ctx, uint32_t *status); |
| |
| IMPORTEXPORT int mpd_qcmp(const mpd_t *a, const mpd_t *b, uint32_t *status); |
| IMPORTEXPORT int mpd_qcompare(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT int mpd_qcompare_signal(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT int mpd_cmp_total(const mpd_t *a, const mpd_t *b); |
| IMPORTEXPORT int mpd_cmp_total_mag(const mpd_t *a, const mpd_t *b); |
| IMPORTEXPORT int mpd_compare_total(mpd_t *result, const mpd_t *a, const mpd_t *b); |
| IMPORTEXPORT int mpd_compare_total_mag(mpd_t *result, const mpd_t *a, const mpd_t *b); |
| |
| IMPORTEXPORT void mpd_qround_to_intx(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qround_to_int(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qtrunc(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qfloor(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qceil(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| |
| IMPORTEXPORT void mpd_qabs(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmax(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmax_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmin(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmin_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qminus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qplus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qnext_minus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qnext_plus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qnext_toward(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qquantize(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qrescale(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qreduce(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qadd(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qadd_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qadd_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qadd_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qadd_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsub(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsub_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsub_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsub_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsub_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmul(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmul_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmul_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmul_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qmul_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qfma(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_t *c, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qdiv(mpd_t *q, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qdiv_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qdiv_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qdiv_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qdiv_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qdivint(mpd_t *q, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qrem(mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qrem_near(mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qdivmod(mpd_t *q, mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qpow(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qpowmod(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_t *mod, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qexp(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_update_ln10(mpd_ssize_t prec, uint32_t *status); |
| IMPORTEXPORT void mpd_qln(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qlog10(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qsqrt(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qinvroot(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); |
| |
| |
| IMPORTEXPORT size_t mpd_sizeinbase(mpd_t *a, uint32_t base); |
| IMPORTEXPORT void mpd_qimport_u16(mpd_t *result, const uint16_t *srcdata, size_t srclen, |
| uint8_t srcsign, uint32_t srcbase, |
| const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT void mpd_qimport_u32(mpd_t *result, const uint32_t *srcdata, size_t srclen, |
| uint8_t srcsign, uint32_t srcbase, |
| const mpd_context_t *ctx, uint32_t *status); |
| IMPORTEXPORT size_t mpd_qexport_u16(uint16_t *rdata, size_t rlen, uint32_t base, |
| const mpd_t *src, uint32_t *status); |
| IMPORTEXPORT size_t mpd_qexport_u32(uint32_t *rdata, size_t rlen, uint32_t base, |
| const mpd_t *src, uint32_t *status); |
| |
| |
| /******************************************************************************/ |
| /* Signalling functions */ |
| /******************************************************************************/ |
| |
| IMPORTEXPORT char * mpd_format(const mpd_t *dec, const char *fmt, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_import_u16(mpd_t *result, const uint16_t *srcdata, size_t srclen, uint8_t srcsign, uint32_t base, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_import_u32(mpd_t *result, const uint32_t *srcdata, size_t srclen, uint8_t srcsign, uint32_t base, mpd_context_t *ctx); |
| IMPORTEXPORT size_t mpd_export_u16(uint16_t *rdata, size_t rlen, uint32_t base, const mpd_t *src, mpd_context_t *ctx); |
| IMPORTEXPORT size_t mpd_export_u32(uint32_t *rdata, size_t rlen, uint32_t base, const mpd_t *src, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_finalize(mpd_t *result, mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_check_nan(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_check_nans(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_set_string(mpd_t *result, const char *s, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_maxcoeff(mpd_t *result, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sset_ssize(mpd_t *result, mpd_ssize_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sset_i32(mpd_t *result, int32_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sset_uint(mpd_t *result, mpd_uint_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sset_u32(mpd_t *result, uint32_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_set_ssize(mpd_t *result, mpd_ssize_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_set_i32(mpd_t *result, int32_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_set_i64(mpd_t *result, int64_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_set_uint(mpd_t *result, mpd_uint_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_set_u32(mpd_t *result, uint32_t a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_set_u64(mpd_t *result, uint64_t a, mpd_context_t *ctx); |
| IMPORTEXPORT mpd_ssize_t mpd_get_ssize(const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT mpd_uint_t mpd_get_uint(const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT mpd_uint_t mpd_abs_uint(const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_and(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_copy(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_canonical(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_copy_abs(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_copy_negate(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_copy_sign(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_invert(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_logb(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_or(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_rotate(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_scaleb(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_shiftl(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx); |
| IMPORTEXPORT mpd_uint_t mpd_shiftr(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_shiftn(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_shift(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_xor(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_abs(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_cmp(const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_compare(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_compare_signal(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_add(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_add_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_add_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_add_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_add_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sub(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sub_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sub_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sub_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sub_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_div(mpd_t *q, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_div_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_div_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_div_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_div_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_divmod(mpd_t *q, mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_divint(mpd_t *q, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_exp(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_fma(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_t *c, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_ln(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_log10(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_max(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_max_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_min(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_min_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_minus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_mul(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_mul_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_mul_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_mul_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_mul_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_next_minus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_next_plus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_next_toward(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_plus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_pow(mpd_t *result, const mpd_t *base, const mpd_t *exp, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_powmod(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_t *mod, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_quantize(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_rescale(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_reduce(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_rem(mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_rem_near(mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_round_to_intx(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_round_to_int(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_trunc(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_floor(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_ceil(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_sqrt(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT void mpd_invroot(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); |
| |
| |
| /******************************************************************************/ |
| /* Configuration specific */ |
| /******************************************************************************/ |
| |
| IMPORTEXPORT int32_t mpd_get_i32(const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT uint32_t mpd_get_u32(const mpd_t *a, mpd_context_t *ctx); |
| IMPORTEXPORT int32_t mpd_qget_i32(const mpd_t *dec, uint32_t *status); |
| IMPORTEXPORT uint32_t mpd_qget_u32(const mpd_t *dec, uint32_t *status); |
| |
| |
| /******************************************************************************/ |
| /* Get attributes of a decimal */ |
| /******************************************************************************/ |
| |
| IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_adjexp(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_etiny(const mpd_context_t *ctx); |
| IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_etop(const mpd_context_t *ctx); |
| IMPORTEXPORT EXTINLINE mpd_uint_t mpd_msword(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_word_digits(mpd_uint_t word); |
| /* most significant digit of a word */ |
| IMPORTEXPORT EXTINLINE mpd_uint_t mpd_msd(mpd_uint_t word); |
| /* least significant digit of a word */ |
| IMPORTEXPORT EXTINLINE mpd_uint_t mpd_lsd(mpd_uint_t word); |
| /* coefficient size needed to store 'digits' */ |
| IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_digits_to_size(mpd_ssize_t digits); |
| /* number of digits in the exponent, undefined for MPD_SSIZE_MIN */ |
| IMPORTEXPORT EXTINLINE int mpd_exp_digits(mpd_ssize_t exp); |
| IMPORTEXPORT EXTINLINE int mpd_iscanonical(const mpd_t *dec UNUSED); |
| IMPORTEXPORT EXTINLINE int mpd_isfinite(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isinfinite(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isinteger(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isnan(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isnegative(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_ispositive(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isqnan(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_issigned(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_issnan(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isspecial(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_iszero(const mpd_t *dec); |
| /* undefined for special numbers */ |
| IMPORTEXPORT EXTINLINE int mpd_iszerocoeff(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isnormal(const mpd_t *dec, const mpd_context_t *ctx); |
| IMPORTEXPORT EXTINLINE int mpd_issubnormal(const mpd_t *dec, const mpd_context_t *ctx); |
| /* odd word */ |
| IMPORTEXPORT EXTINLINE int mpd_isoddword(mpd_uint_t word); |
| /* odd coefficient */ |
| IMPORTEXPORT EXTINLINE int mpd_isoddcoeff(const mpd_t *dec); |
| /* odd decimal, only defined for integers */ |
| IMPORTEXPORT int mpd_isodd(const mpd_t *dec); |
| /* even decimal, only defined for integers */ |
| IMPORTEXPORT int mpd_iseven(const mpd_t *dec); |
| /* 0 if dec is positive, 1 if dec is negative */ |
| IMPORTEXPORT EXTINLINE uint8_t mpd_sign(const mpd_t *dec); |
| /* 1 if dec is positive, -1 if dec is negative */ |
| IMPORTEXPORT EXTINLINE int mpd_arith_sign(const mpd_t *dec); |
| IMPORTEXPORT EXTINLINE long mpd_radix(void); |
| IMPORTEXPORT EXTINLINE int mpd_isdynamic(mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isstatic(mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isdynamic_data(mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isstatic_data(mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isshared_data(mpd_t *dec); |
| IMPORTEXPORT EXTINLINE int mpd_isconst_data(mpd_t *dec); |
| IMPORTEXPORT mpd_ssize_t mpd_trail_zeros(const mpd_t *dec); |
| |
| |
| /******************************************************************************/ |
| /* Set attributes of a decimal */ |
| /******************************************************************************/ |
| |
| /* set number of decimal digits in the coefficient */ |
| IMPORTEXPORT EXTINLINE void mpd_setdigits(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_sign(mpd_t *result, uint8_t sign); |
| /* copy sign from another decimal */ |
| IMPORTEXPORT EXTINLINE void mpd_signcpy(mpd_t *result, mpd_t *a); |
| IMPORTEXPORT EXTINLINE void mpd_set_infinity(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_qnan(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_snan(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_negative(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_positive(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_dynamic(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_static(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_dynamic_data(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_static_data(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_shared_data(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_const_data(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_clear_flags(mpd_t *result); |
| IMPORTEXPORT EXTINLINE void mpd_set_flags(mpd_t *result, uint8_t flags); |
| IMPORTEXPORT EXTINLINE void mpd_copy_flags(mpd_t *result, const mpd_t *a); |
| |
| |
| /******************************************************************************/ |
| /* Error Macros */ |
| /******************************************************************************/ |
| |
| #define mpd_err_fatal(...) \ |
| do {fprintf(stderr, "%s:%d: error: ", __FILE__, __LINE__); \ |
| fprintf(stderr, __VA_ARGS__); fputc('\n', stderr); \ |
| exit(1); \ |
| } while (0) |
| #define mpd_err_warn(...) \ |
| do {fprintf(stderr, "%s:%d: warning: ", __FILE__, __LINE__); \ |
| fprintf(stderr, __VA_ARGS__); fputc('\n', stderr); \ |
| } while (0) |
| |
| |
| /******************************************************************************/ |
| /* Memory handling */ |
| /******************************************************************************/ |
| |
| IMPORTEXPORT extern void *(* mpd_mallocfunc)(size_t size); |
| IMPORTEXPORT extern void *(* mpd_callocfunc)(size_t nmemb, size_t size); |
| IMPORTEXPORT extern void *(* mpd_reallocfunc)(void *ptr, size_t size); |
| IMPORTEXPORT extern void (* mpd_free)(void *ptr); |
| |
| IMPORTEXPORT void *mpd_callocfunc_em(size_t nmemb, size_t size); |
| |
| IMPORTEXPORT void *mpd_alloc(mpd_size_t nmemb, mpd_size_t size); |
| IMPORTEXPORT void *mpd_calloc(mpd_size_t nmemb, mpd_size_t size); |
| IMPORTEXPORT void *mpd_realloc(void *ptr, mpd_size_t nmemb, mpd_size_t size, uint8_t *err); |
| IMPORTEXPORT void *mpd_sh_alloc(mpd_size_t struct_size, mpd_size_t nmemb, mpd_size_t size); |
| |
| IMPORTEXPORT mpd_t *mpd_qnew(void); |
| IMPORTEXPORT mpd_t *mpd_new(mpd_context_t *ctx); |
| IMPORTEXPORT mpd_t *mpd_qnew_size(mpd_ssize_t size); |
| IMPORTEXPORT void mpd_del(mpd_t *dec); |
| |
| IMPORTEXPORT void mpd_uint_zero(mpd_uint_t *dest, mpd_size_t len); |
| IMPORTEXPORT int mpd_qresize(mpd_t *result, mpd_ssize_t size, uint32_t *status); |
| IMPORTEXPORT int mpd_qresize_zero(mpd_t *result, mpd_ssize_t size, uint32_t *status); |
| IMPORTEXPORT void mpd_minalloc(mpd_t *result); |
| |
| IMPORTEXPORT int mpd_resize(mpd_t *result, mpd_ssize_t size, mpd_context_t *ctx); |
| IMPORTEXPORT int mpd_resize_zero(mpd_t *result, mpd_ssize_t size, mpd_context_t *ctx); |
| |
| |
| /******************************************************************************/ |
| /* Tests */ |
| /******************************************************************************/ |
| |
| IMPORTEXPORT mpd_uint_t mpd_qsshiftr(mpd_t *result, const mpd_t *a, mpd_ssize_t n); |
| IMPORTEXPORT void std_trans(mpd_uint_t dest[], mpd_uint_t src[], mpd_size_t rows, mpd_size_t cols); |
| IMPORTEXPORT int transpose_pow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols); |
| |
| |
| #ifdef __cplusplus |
| } /* END extern "C" */ |
| #endif |
| |
| |
| #endif /* MPDECIMAL_H */ |
| |
| |
| |
