mirror of https://github.com/python/cpython
848 lines
40 KiB
C
848 lines
40 KiB
C
/*
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* Copyright (c) 2008-2016 Stefan Krah. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef MPDECIMAL_H
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#define MPDECIMAL_H
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#ifdef __cplusplus
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extern "C" {
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS
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#define MPD_CLEAR_STDC_LIMIT_MACROS
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#endif
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#endif
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#ifndef _MSC_VER
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#include "pyconfig.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <assert.h>
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#include <stdint.h>
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#include <inttypes.h>
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#ifdef _MSC_VER
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#include "vccompat.h"
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#ifndef UNUSED
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#define UNUSED
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#endif
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#define MPD_PRAGMA(x)
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#define MPD_HIDE_SYMBOLS_START
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#define MPD_HIDE_SYMBOLS_END
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#define EXTINLINE extern inline
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#else
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#ifndef __GNUC_STDC_INLINE__
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#define __GNUC_STDC_INLINE__ 1
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#endif
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#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
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#define UNUSED __attribute__((unused))
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#else
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#define UNUSED
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#endif
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#if (defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)) && \
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defined(__GNUC__) && __GNUC__ >= 4 && !defined(__INTEL_COMPILER)
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#define MPD_PRAGMA(x) _Pragma(x)
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#define MPD_HIDE_SYMBOLS_START "GCC visibility push(hidden)"
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#define MPD_HIDE_SYMBOLS_END "GCC visibility pop"
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#else
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#define MPD_PRAGMA(x)
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#define MPD_HIDE_SYMBOLS_START
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#define MPD_HIDE_SYMBOLS_END
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#endif
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#define EXTINLINE
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#endif
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/* This header file is internal for the purpose of building _decimal.so.
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* All symbols should have local scope in the DSO. */
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MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
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#if !defined(LEGACY_COMPILER)
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#if !defined(UINT64_MAX)
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/* The following #error is just a warning. If the compiler indeed does
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* not have uint64_t, it is perfectly safe to comment out the #error. */
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#error "Warning: Compiler without uint64_t. Comment out this line."
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#define LEGACY_COMPILER
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#endif
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#endif
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/******************************************************************************/
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/* Version */
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/******************************************************************************/
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#define MPD_MAJOR_VERSION 2
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#define MPD_MINOR_VERSION 4
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#define MPD_MICRO_VERSION 2
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#define MPD_VERSION "2.4.2"
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#define MPD_VERSION_HEX ((MPD_MAJOR_VERSION << 24) | \
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(MPD_MINOR_VERSION << 16) | \
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(MPD_MICRO_VERSION << 8))
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const char *mpd_version(void);
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/******************************************************************************/
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/* Configuration */
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/******************************************************************************/
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#if defined(UNIVERSAL)
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#if defined(CONFIG_64) || defined(CONFIG_32)
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#error "cannot use CONFIG_64 or CONFIG_32 with UNIVERSAL."
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#endif
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#if defined(__ppc__)
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#define CONFIG_32
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#define ANSI
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#elif defined(__ppc64__)
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#define CONFIG_64
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#define ANSI
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#elif defined(__i386__)
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#define CONFIG_32
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#define ANSI
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#elif defined(__x86_64__)
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#define CONFIG_64
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#define ASM
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#else
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#error "unknown architecture for universal build."
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#endif
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#endif
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/* BEGIN CONFIG_64 */
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#if defined(CONFIG_64)
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/* types for modular and base arithmetic */
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#define MPD_UINT_MAX UINT64_MAX
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#define MPD_BITS_PER_UINT 64
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typedef uint64_t mpd_uint_t; /* unsigned mod type */
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#define MPD_SIZE_MAX SIZE_MAX
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typedef size_t mpd_size_t; /* unsigned size type */
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/* type for exp, digits, len, prec */
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#define MPD_SSIZE_MAX INT64_MAX
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#define MPD_SSIZE_MIN INT64_MIN
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typedef int64_t mpd_ssize_t;
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#define _mpd_strtossize strtoll
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/* decimal arithmetic */
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#define MPD_RADIX 10000000000000000000ULL /* 10**19 */
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#define MPD_RDIGITS 19
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#define MPD_MAX_POW10 19
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#define MPD_EXPDIGITS 19 /* MPD_EXPDIGITS <= MPD_RDIGITS+1 */
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#define MPD_MAXTRANSFORM_2N 4294967296ULL /* 2**32 */
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#define MPD_MAX_PREC 999999999999999999LL
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#define MPD_MAX_PREC_LOG2 64
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#define MPD_ELIMIT 1000000000000000000LL
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#define MPD_MAX_EMAX 999999999999999999LL /* ELIMIT-1 */
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#define MPD_MIN_EMIN (-999999999999999999LL) /* -EMAX */
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#define MPD_MIN_ETINY (MPD_MIN_EMIN-(MPD_MAX_PREC-1))
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#define MPD_EXP_INF 2000000000000000001LL
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#define MPD_EXP_CLAMP (-4000000000000000001LL)
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#define MPD_MAXIMPORT 105263157894736842L /* ceil((2*MPD_MAX_PREC)/MPD_RDIGITS) */
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/* conversion specifiers */
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#define PRI_mpd_uint_t PRIu64
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#define PRI_mpd_ssize_t PRIi64
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/* END CONFIG_64 */
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/* BEGIN CONFIG_32 */
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#elif defined(CONFIG_32)
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/* types for modular and base arithmetic */
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#define MPD_UINT_MAX UINT32_MAX
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#define MPD_BITS_PER_UINT 32
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typedef uint32_t mpd_uint_t; /* unsigned mod type */
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#ifndef LEGACY_COMPILER
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#define MPD_UUINT_MAX UINT64_MAX
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typedef uint64_t mpd_uuint_t; /* double width unsigned mod type */
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#endif
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#define MPD_SIZE_MAX SIZE_MAX
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typedef size_t mpd_size_t; /* unsigned size type */
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/* type for dec->len, dec->exp, ctx->prec */
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#define MPD_SSIZE_MAX INT32_MAX
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#define MPD_SSIZE_MIN INT32_MIN
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typedef int32_t mpd_ssize_t;
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#define _mpd_strtossize strtol
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/* decimal arithmetic */
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#define MPD_RADIX 1000000000UL /* 10**9 */
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#define MPD_RDIGITS 9
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#define MPD_MAX_POW10 9
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#define MPD_EXPDIGITS 10 /* MPD_EXPDIGITS <= MPD_RDIGITS+1 */
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#define MPD_MAXTRANSFORM_2N 33554432UL /* 2**25 */
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#define MPD_MAX_PREC 425000000L
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#define MPD_MAX_PREC_LOG2 32
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#define MPD_ELIMIT 425000001L
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#define MPD_MAX_EMAX 425000000L /* ELIMIT-1 */
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#define MPD_MIN_EMIN (-425000000L) /* -EMAX */
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#define MPD_MIN_ETINY (MPD_MIN_EMIN-(MPD_MAX_PREC-1))
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#define MPD_EXP_INF 1000000001L /* allows for emax=999999999 in the tests */
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#define MPD_EXP_CLAMP (-2000000001L) /* allows for emin=-999999999 in the tests */
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#define MPD_MAXIMPORT 94444445L /* ceil((2*MPD_MAX_PREC)/MPD_RDIGITS) */
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/* conversion specifiers */
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#define PRI_mpd_uint_t PRIu32
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#define PRI_mpd_ssize_t PRIi32
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/* END CONFIG_32 */
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#else
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#error "define CONFIG_64 or CONFIG_32"
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#endif
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/* END CONFIG */
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#if MPD_SIZE_MAX != MPD_UINT_MAX
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#error "unsupported platform: need mpd_size_t == mpd_uint_t"
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#endif
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/******************************************************************************/
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/* Context */
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/******************************************************************************/
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enum {
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MPD_ROUND_UP, /* round away from 0 */
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MPD_ROUND_DOWN, /* round toward 0 (truncate) */
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MPD_ROUND_CEILING, /* round toward +infinity */
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MPD_ROUND_FLOOR, /* round toward -infinity */
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MPD_ROUND_HALF_UP, /* 0.5 is rounded up */
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MPD_ROUND_HALF_DOWN, /* 0.5 is rounded down */
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MPD_ROUND_HALF_EVEN, /* 0.5 is rounded to even */
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MPD_ROUND_05UP, /* round zero or five away from 0 */
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MPD_ROUND_TRUNC, /* truncate, but set infinity */
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MPD_ROUND_GUARD
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};
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enum { MPD_CLAMP_DEFAULT, MPD_CLAMP_IEEE_754, MPD_CLAMP_GUARD };
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extern const char *mpd_round_string[MPD_ROUND_GUARD];
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extern const char *mpd_clamp_string[MPD_CLAMP_GUARD];
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typedef struct mpd_context_t {
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mpd_ssize_t prec; /* precision */
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mpd_ssize_t emax; /* max positive exp */
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mpd_ssize_t emin; /* min negative exp */
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uint32_t traps; /* status events that should be trapped */
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uint32_t status; /* status flags */
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uint32_t newtrap; /* set by mpd_addstatus_raise() */
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int round; /* rounding mode */
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int clamp; /* clamp mode */
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int allcr; /* all functions correctly rounded */
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} mpd_context_t;
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/* Status flags */
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#define MPD_Clamped 0x00000001U
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#define MPD_Conversion_syntax 0x00000002U
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#define MPD_Division_by_zero 0x00000004U
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#define MPD_Division_impossible 0x00000008U
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#define MPD_Division_undefined 0x00000010U
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#define MPD_Fpu_error 0x00000020U
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#define MPD_Inexact 0x00000040U
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#define MPD_Invalid_context 0x00000080U
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#define MPD_Invalid_operation 0x00000100U
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#define MPD_Malloc_error 0x00000200U
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#define MPD_Not_implemented 0x00000400U
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#define MPD_Overflow 0x00000800U
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#define MPD_Rounded 0x00001000U
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#define MPD_Subnormal 0x00002000U
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#define MPD_Underflow 0x00004000U
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#define MPD_Max_status (0x00008000U-1U)
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/* Conditions that result in an IEEE 754 exception */
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#define MPD_IEEE_Invalid_operation (MPD_Conversion_syntax | \
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MPD_Division_impossible | \
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MPD_Division_undefined | \
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MPD_Fpu_error | \
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MPD_Invalid_context | \
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MPD_Invalid_operation | \
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MPD_Malloc_error) \
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/* Errors that require the result of an operation to be set to NaN */
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#define MPD_Errors (MPD_IEEE_Invalid_operation | \
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MPD_Division_by_zero)
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/* Default traps */
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#define MPD_Traps (MPD_IEEE_Invalid_operation | \
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MPD_Division_by_zero | \
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MPD_Overflow | \
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MPD_Underflow)
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/* Official name */
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#define MPD_Insufficient_storage MPD_Malloc_error
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/* IEEE 754 interchange format contexts */
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#define MPD_IEEE_CONTEXT_MAX_BITS 512 /* 16*(log2(MPD_MAX_EMAX / 3)-3) */
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#define MPD_DECIMAL32 32
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#define MPD_DECIMAL64 64
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#define MPD_DECIMAL128 128
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#define MPD_MINALLOC_MIN 2
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#define MPD_MINALLOC_MAX 64
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extern mpd_ssize_t MPD_MINALLOC;
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extern void (* mpd_traphandler)(mpd_context_t *);
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void mpd_dflt_traphandler(mpd_context_t *);
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void mpd_setminalloc(mpd_ssize_t n);
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void mpd_init(mpd_context_t *ctx, mpd_ssize_t prec);
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void mpd_maxcontext(mpd_context_t *ctx);
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void mpd_defaultcontext(mpd_context_t *ctx);
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void mpd_basiccontext(mpd_context_t *ctx);
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int mpd_ieee_context(mpd_context_t *ctx, int bits);
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mpd_ssize_t mpd_getprec(const mpd_context_t *ctx);
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mpd_ssize_t mpd_getemax(const mpd_context_t *ctx);
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mpd_ssize_t mpd_getemin(const mpd_context_t *ctx);
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int mpd_getround(const mpd_context_t *ctx);
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uint32_t mpd_gettraps(const mpd_context_t *ctx);
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uint32_t mpd_getstatus(const mpd_context_t *ctx);
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int mpd_getclamp(const mpd_context_t *ctx);
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int mpd_getcr(const mpd_context_t *ctx);
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int mpd_qsetprec(mpd_context_t *ctx, mpd_ssize_t prec);
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int mpd_qsetemax(mpd_context_t *ctx, mpd_ssize_t emax);
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int mpd_qsetemin(mpd_context_t *ctx, mpd_ssize_t emin);
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int mpd_qsetround(mpd_context_t *ctx, int newround);
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int mpd_qsettraps(mpd_context_t *ctx, uint32_t flags);
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int mpd_qsetstatus(mpd_context_t *ctx, uint32_t flags);
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int mpd_qsetclamp(mpd_context_t *ctx, int c);
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int mpd_qsetcr(mpd_context_t *ctx, int c);
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void mpd_addstatus_raise(mpd_context_t *ctx, uint32_t flags);
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/******************************************************************************/
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/* Decimal Arithmetic */
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/******************************************************************************/
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/* mpd_t flags */
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#define MPD_POS ((uint8_t)0)
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#define MPD_NEG ((uint8_t)1)
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#define MPD_INF ((uint8_t)2)
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#define MPD_NAN ((uint8_t)4)
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#define MPD_SNAN ((uint8_t)8)
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#define MPD_SPECIAL (MPD_INF|MPD_NAN|MPD_SNAN)
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#define MPD_STATIC ((uint8_t)16)
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#define MPD_STATIC_DATA ((uint8_t)32)
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#define MPD_SHARED_DATA ((uint8_t)64)
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#define MPD_CONST_DATA ((uint8_t)128)
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#define MPD_DATAFLAGS (MPD_STATIC_DATA|MPD_SHARED_DATA|MPD_CONST_DATA)
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/* mpd_t */
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typedef struct mpd_t {
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uint8_t flags;
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mpd_ssize_t exp;
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mpd_ssize_t digits;
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mpd_ssize_t len;
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mpd_ssize_t alloc;
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mpd_uint_t *data;
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} mpd_t;
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typedef unsigned char uchar;
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/******************************************************************************/
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/* Quiet, thread-safe functions */
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/******************************************************************************/
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/* format specification */
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typedef struct mpd_spec_t {
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mpd_ssize_t min_width; /* minimum field width */
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mpd_ssize_t prec; /* fraction digits or significant digits */
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char type; /* conversion specifier */
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char align; /* alignment */
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char sign; /* sign printing/alignment */
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char fill[5]; /* fill character */
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const char *dot; /* decimal point */
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const char *sep; /* thousands separator */
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const char *grouping; /* grouping of digits */
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} mpd_spec_t;
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/* output to a string */
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char *mpd_to_sci(const mpd_t *dec, int fmt);
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char *mpd_to_eng(const mpd_t *dec, int fmt);
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mpd_ssize_t mpd_to_sci_size(char **res, const mpd_t *dec, int fmt);
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mpd_ssize_t mpd_to_eng_size(char **res, const mpd_t *dec, int fmt);
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int mpd_validate_lconv(mpd_spec_t *spec);
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int mpd_parse_fmt_str(mpd_spec_t *spec, const char *fmt, int caps);
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char *mpd_qformat_spec(const mpd_t *dec, const mpd_spec_t *spec, const mpd_context_t *ctx, uint32_t *status);
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char *mpd_qformat(const mpd_t *dec, const char *fmt, const mpd_context_t *ctx, uint32_t *status);
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#define MPD_NUM_FLAGS 15
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#define MPD_MAX_FLAG_STRING 208
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#define MPD_MAX_FLAG_LIST (MPD_MAX_FLAG_STRING+18)
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#define MPD_MAX_SIGNAL_LIST 121
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int mpd_snprint_flags(char *dest, int nmemb, uint32_t flags);
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int mpd_lsnprint_flags(char *dest, int nmemb, uint32_t flags, const char *flag_string[]);
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int mpd_lsnprint_signals(char *dest, int nmemb, uint32_t flags, const char *signal_string[]);
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/* output to a file */
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void mpd_fprint(FILE *file, const mpd_t *dec);
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void mpd_print(const mpd_t *dec);
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/* assignment from a string */
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void mpd_qset_string(mpd_t *dec, const char *s, const mpd_context_t *ctx, uint32_t *status);
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/* set to NaN with error flags */
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void mpd_seterror(mpd_t *result, uint32_t flags, uint32_t *status);
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/* set a special with sign and type */
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void mpd_setspecial(mpd_t *dec, uint8_t sign, uint8_t type);
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/* set coefficient to zero or all nines */
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void mpd_zerocoeff(mpd_t *result);
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void mpd_qmaxcoeff(mpd_t *result, const mpd_context_t *ctx, uint32_t *status);
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/* quietly assign a C integer type to an mpd_t */
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void mpd_qset_ssize(mpd_t *result, mpd_ssize_t a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qset_i32(mpd_t *result, int32_t a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qset_uint(mpd_t *result, mpd_uint_t a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qset_u32(mpd_t *result, uint32_t a, const mpd_context_t *ctx, uint32_t *status);
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#ifndef LEGACY_COMPILER
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void mpd_qset_i64(mpd_t *result, int64_t a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qset_u64(mpd_t *result, uint64_t a, const mpd_context_t *ctx, uint32_t *status);
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#endif
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/* quietly assign a C integer type to an mpd_t with a static coefficient */
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void mpd_qsset_ssize(mpd_t *result, mpd_ssize_t a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qsset_i32(mpd_t *result, int32_t a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qsset_uint(mpd_t *result, mpd_uint_t a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qsset_u32(mpd_t *result, uint32_t a, const mpd_context_t *ctx, uint32_t *status);
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/* quietly get a C integer type from an mpd_t */
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mpd_ssize_t mpd_qget_ssize(const mpd_t *dec, uint32_t *status);
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mpd_uint_t mpd_qget_uint(const mpd_t *dec, uint32_t *status);
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mpd_uint_t mpd_qabs_uint(const mpd_t *dec, uint32_t *status);
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int32_t mpd_qget_i32(const mpd_t *dec, uint32_t *status);
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uint32_t mpd_qget_u32(const mpd_t *dec, uint32_t *status);
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#ifndef LEGACY_COMPILER
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|
int64_t mpd_qget_i64(const mpd_t *dec, uint32_t *status);
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uint64_t mpd_qget_u64(const mpd_t *dec, uint32_t *status);
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#endif
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/* quiet functions */
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int mpd_qcheck_nan(mpd_t *nanresult, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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int mpd_qcheck_nans(mpd_t *nanresult, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qfinalize(mpd_t *result, const mpd_context_t *ctx, uint32_t *status);
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const char *mpd_class(const mpd_t *a, const mpd_context_t *ctx);
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int mpd_qcopy(mpd_t *result, const mpd_t *a, uint32_t *status);
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mpd_t *mpd_qncopy(const mpd_t *a);
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int mpd_qcopy_abs(mpd_t *result, const mpd_t *a, uint32_t *status);
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int mpd_qcopy_negate(mpd_t *result, const mpd_t *a, uint32_t *status);
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int mpd_qcopy_sign(mpd_t *result, const mpd_t *a, const mpd_t *b, uint32_t *status);
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void mpd_qand(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qinvert(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qlogb(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qor(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qscaleb(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qxor(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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int mpd_same_quantum(const mpd_t *a, const mpd_t *b);
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void mpd_qrotate(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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int mpd_qshiftl(mpd_t *result, const mpd_t *a, mpd_ssize_t n, uint32_t *status);
|
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mpd_uint_t mpd_qshiftr(mpd_t *result, const mpd_t *a, mpd_ssize_t n, uint32_t *status);
|
|
mpd_uint_t mpd_qshiftr_inplace(mpd_t *result, mpd_ssize_t n);
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void mpd_qshift(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qshiftn(mpd_t *result, const mpd_t *a, mpd_ssize_t n, const mpd_context_t *ctx, uint32_t *status);
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int mpd_qcmp(const mpd_t *a, const mpd_t *b, uint32_t *status);
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int mpd_qcompare(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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int mpd_qcompare_signal(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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int mpd_cmp_total(const mpd_t *a, const mpd_t *b);
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int mpd_cmp_total_mag(const mpd_t *a, const mpd_t *b);
|
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int mpd_compare_total(mpd_t *result, const mpd_t *a, const mpd_t *b);
|
|
int mpd_compare_total_mag(mpd_t *result, const mpd_t *a, const mpd_t *b);
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void mpd_qround_to_intx(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qround_to_int(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qtrunc(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qfloor(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qceil(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qabs(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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void mpd_qmax(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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|
void mpd_qmax_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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|
void mpd_qmin(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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|
void mpd_qmin_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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|
void mpd_qminus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qplus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qnext_minus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qnext_plus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
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|
void mpd_qnext_toward(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qquantize(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qrescale(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qrescale_fmt(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qreduce(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qadd(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qadd_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qadd_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qadd_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qadd_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsub(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsub_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsub_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsub_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsub_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qmul(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qmul_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qmul_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qmul_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qmul_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
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);
|
|
void mpd_qdiv(mpd_t *q, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
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|
void mpd_qdiv_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qdiv_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qdiv_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qdiv_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qdivint(mpd_t *q, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qrem(mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qrem_near(mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status);
|
|
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);
|
|
void mpd_qpow(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_context_t *ctx, uint32_t *status);
|
|
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);
|
|
void mpd_qexp(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qln10(mpd_t *result, mpd_ssize_t prec, uint32_t *status);
|
|
void mpd_qln(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qlog10(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsqrt(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qinvroot(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status);
|
|
|
|
#ifndef LEGACY_COMPILER
|
|
void mpd_qadd_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qadd_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsub_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsub_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qmul_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qmul_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qdiv_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qdiv_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status);
|
|
#endif
|
|
|
|
|
|
size_t mpd_sizeinbase(const mpd_t *a, uint32_t base);
|
|
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);
|
|
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);
|
|
size_t mpd_qexport_u16(uint16_t **rdata, size_t rlen, uint32_t base,
|
|
const mpd_t *src, uint32_t *status);
|
|
size_t mpd_qexport_u32(uint32_t **rdata, size_t rlen, uint32_t base,
|
|
const mpd_t *src, uint32_t *status);
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Signalling functions */
|
|
/******************************************************************************/
|
|
|
|
char *mpd_format(const mpd_t *dec, const char *fmt, mpd_context_t *ctx);
|
|
void mpd_import_u16(mpd_t *result, const uint16_t *srcdata, size_t srclen, uint8_t srcsign, uint32_t base, mpd_context_t *ctx);
|
|
void mpd_import_u32(mpd_t *result, const uint32_t *srcdata, size_t srclen, uint8_t srcsign, uint32_t base, mpd_context_t *ctx);
|
|
size_t mpd_export_u16(uint16_t **rdata, size_t rlen, uint32_t base, const mpd_t *src, mpd_context_t *ctx);
|
|
size_t mpd_export_u32(uint32_t **rdata, size_t rlen, uint32_t base, const mpd_t *src, mpd_context_t *ctx);
|
|
void mpd_finalize(mpd_t *result, mpd_context_t *ctx);
|
|
int mpd_check_nan(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
int mpd_check_nans(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_set_string(mpd_t *result, const char *s, mpd_context_t *ctx);
|
|
void mpd_maxcoeff(mpd_t *result, mpd_context_t *ctx);
|
|
void mpd_sset_ssize(mpd_t *result, mpd_ssize_t a, mpd_context_t *ctx);
|
|
void mpd_sset_i32(mpd_t *result, int32_t a, mpd_context_t *ctx);
|
|
void mpd_sset_uint(mpd_t *result, mpd_uint_t a, mpd_context_t *ctx);
|
|
void mpd_sset_u32(mpd_t *result, uint32_t a, mpd_context_t *ctx);
|
|
void mpd_set_ssize(mpd_t *result, mpd_ssize_t a, mpd_context_t *ctx);
|
|
void mpd_set_i32(mpd_t *result, int32_t a, mpd_context_t *ctx);
|
|
void mpd_set_uint(mpd_t *result, mpd_uint_t a, mpd_context_t *ctx);
|
|
void mpd_set_u32(mpd_t *result, uint32_t a, mpd_context_t *ctx);
|
|
#ifndef LEGACY_COMPILER
|
|
void mpd_set_i64(mpd_t *result, int64_t a, mpd_context_t *ctx);
|
|
void mpd_set_u64(mpd_t *result, uint64_t a, mpd_context_t *ctx);
|
|
#endif
|
|
mpd_ssize_t mpd_get_ssize(const mpd_t *a, mpd_context_t *ctx);
|
|
mpd_uint_t mpd_get_uint(const mpd_t *a, mpd_context_t *ctx);
|
|
mpd_uint_t mpd_abs_uint(const mpd_t *a, mpd_context_t *ctx);
|
|
int32_t mpd_get_i32(const mpd_t *a, mpd_context_t *ctx);
|
|
uint32_t mpd_get_u32(const mpd_t *a, mpd_context_t *ctx);
|
|
#ifndef LEGACY_COMPILER
|
|
int64_t mpd_get_i64(const mpd_t *a, mpd_context_t *ctx);
|
|
uint64_t mpd_get_u64(const mpd_t *a, mpd_context_t *ctx);
|
|
#endif
|
|
void mpd_and(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_copy(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
void mpd_canonical(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
void mpd_copy_abs(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
void mpd_copy_negate(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
void mpd_copy_sign(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_invert(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
void mpd_logb(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
void mpd_or(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_rotate(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_scaleb(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_shiftl(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx);
|
|
mpd_uint_t mpd_shiftr(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx);
|
|
void mpd_shiftn(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx);
|
|
void mpd_shift(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_xor(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_abs(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
|
|
int mpd_cmp(const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
int mpd_compare(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
int mpd_compare_signal(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_add(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_add_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx);
|
|
void mpd_add_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx);
|
|
void mpd_add_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx);
|
|
void mpd_add_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx);
|
|
void mpd_sub(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
|
|
void mpd_sub_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx);
|
|
void mpd_sub_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx);
|
|
void mpd_sub_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx);
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void mpd_sub_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx);
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void mpd_div(mpd_t *q, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_div_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx);
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void mpd_div_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx);
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void mpd_div_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx);
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void mpd_div_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx);
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void mpd_divmod(mpd_t *q, mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_divint(mpd_t *q, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_exp(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_fma(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_t *c, mpd_context_t *ctx);
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void mpd_ln(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_log10(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_max(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_max_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_min(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_min_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_minus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_mul(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_mul_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx);
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void mpd_mul_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx);
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void mpd_mul_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx);
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void mpd_mul_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx);
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void mpd_next_minus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_next_plus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_next_toward(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_plus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_pow(mpd_t *result, const mpd_t *base, const mpd_t *exp, mpd_context_t *ctx);
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void mpd_powmod(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_t *mod, mpd_context_t *ctx);
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void mpd_quantize(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_rescale(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, mpd_context_t *ctx);
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void mpd_reduce(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_rem(mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_rem_near(mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx);
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void mpd_round_to_intx(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_round_to_int(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_trunc(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_floor(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_ceil(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_sqrt(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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void mpd_invroot(mpd_t *result, const mpd_t *a, mpd_context_t *ctx);
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#ifndef LEGACY_COMPILER
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void mpd_add_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx);
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void mpd_add_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx);
|
|
void mpd_sub_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx);
|
|
void mpd_sub_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx);
|
|
void mpd_div_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx);
|
|
void mpd_div_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx);
|
|
void mpd_mul_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx);
|
|
void mpd_mul_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx);
|
|
#endif
|
|
|
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|
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/******************************************************************************/
|
|
/* Configuration specific */
|
|
/******************************************************************************/
|
|
|
|
#ifdef CONFIG_64
|
|
void mpd_qsset_i64(mpd_t *result, int64_t a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_qsset_u64(mpd_t *result, uint64_t a, const mpd_context_t *ctx, uint32_t *status);
|
|
void mpd_sset_i64(mpd_t *result, int64_t a, mpd_context_t *ctx);
|
|
void mpd_sset_u64(mpd_t *result, uint64_t a, mpd_context_t *ctx);
|
|
#endif
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Get attributes of a decimal */
|
|
/******************************************************************************/
|
|
|
|
EXTINLINE mpd_ssize_t mpd_adjexp(const mpd_t *dec);
|
|
EXTINLINE mpd_ssize_t mpd_etiny(const mpd_context_t *ctx);
|
|
EXTINLINE mpd_ssize_t mpd_etop(const mpd_context_t *ctx);
|
|
EXTINLINE mpd_uint_t mpd_msword(const mpd_t *dec);
|
|
EXTINLINE int mpd_word_digits(mpd_uint_t word);
|
|
/* most significant digit of a word */
|
|
EXTINLINE mpd_uint_t mpd_msd(mpd_uint_t word);
|
|
/* least significant digit of a word */
|
|
EXTINLINE mpd_uint_t mpd_lsd(mpd_uint_t word);
|
|
/* coefficient size needed to store 'digits' */
|
|
EXTINLINE mpd_ssize_t mpd_digits_to_size(mpd_ssize_t digits);
|
|
/* number of digits in the exponent, undefined for MPD_SSIZE_MIN */
|
|
EXTINLINE int mpd_exp_digits(mpd_ssize_t exp);
|
|
EXTINLINE int mpd_iscanonical(const mpd_t *dec UNUSED);
|
|
EXTINLINE int mpd_isfinite(const mpd_t *dec);
|
|
EXTINLINE int mpd_isinfinite(const mpd_t *dec);
|
|
EXTINLINE int mpd_isinteger(const mpd_t *dec);
|
|
EXTINLINE int mpd_isnan(const mpd_t *dec);
|
|
EXTINLINE int mpd_isnegative(const mpd_t *dec);
|
|
EXTINLINE int mpd_ispositive(const mpd_t *dec);
|
|
EXTINLINE int mpd_isqnan(const mpd_t *dec);
|
|
EXTINLINE int mpd_issigned(const mpd_t *dec);
|
|
EXTINLINE int mpd_issnan(const mpd_t *dec);
|
|
EXTINLINE int mpd_isspecial(const mpd_t *dec);
|
|
EXTINLINE int mpd_iszero(const mpd_t *dec);
|
|
/* undefined for special numbers */
|
|
EXTINLINE int mpd_iszerocoeff(const mpd_t *dec);
|
|
EXTINLINE int mpd_isnormal(const mpd_t *dec, const mpd_context_t *ctx);
|
|
EXTINLINE int mpd_issubnormal(const mpd_t *dec, const mpd_context_t *ctx);
|
|
/* odd word */
|
|
EXTINLINE int mpd_isoddword(mpd_uint_t word);
|
|
/* odd coefficient */
|
|
EXTINLINE int mpd_isoddcoeff(const mpd_t *dec);
|
|
/* odd decimal, only defined for integers */
|
|
int mpd_isodd(const mpd_t *dec);
|
|
/* even decimal, only defined for integers */
|
|
int mpd_iseven(const mpd_t *dec);
|
|
/* 0 if dec is positive, 1 if dec is negative */
|
|
EXTINLINE uint8_t mpd_sign(const mpd_t *dec);
|
|
/* 1 if dec is positive, -1 if dec is negative */
|
|
EXTINLINE int mpd_arith_sign(const mpd_t *dec);
|
|
EXTINLINE long mpd_radix(void);
|
|
EXTINLINE int mpd_isdynamic(const mpd_t *dec);
|
|
EXTINLINE int mpd_isstatic(const mpd_t *dec);
|
|
EXTINLINE int mpd_isdynamic_data(const mpd_t *dec);
|
|
EXTINLINE int mpd_isstatic_data(const mpd_t *dec);
|
|
EXTINLINE int mpd_isshared_data(const mpd_t *dec);
|
|
EXTINLINE int mpd_isconst_data(const mpd_t *dec);
|
|
EXTINLINE mpd_ssize_t mpd_trail_zeros(const mpd_t *dec);
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Set attributes of a decimal */
|
|
/******************************************************************************/
|
|
|
|
/* set number of decimal digits in the coefficient */
|
|
EXTINLINE void mpd_setdigits(mpd_t *result);
|
|
EXTINLINE void mpd_set_sign(mpd_t *result, uint8_t sign);
|
|
/* copy sign from another decimal */
|
|
EXTINLINE void mpd_signcpy(mpd_t *result, const mpd_t *a);
|
|
EXTINLINE void mpd_set_infinity(mpd_t *result);
|
|
EXTINLINE void mpd_set_qnan(mpd_t *result);
|
|
EXTINLINE void mpd_set_snan(mpd_t *result);
|
|
EXTINLINE void mpd_set_negative(mpd_t *result);
|
|
EXTINLINE void mpd_set_positive(mpd_t *result);
|
|
EXTINLINE void mpd_set_dynamic(mpd_t *result);
|
|
EXTINLINE void mpd_set_static(mpd_t *result);
|
|
EXTINLINE void mpd_set_dynamic_data(mpd_t *result);
|
|
EXTINLINE void mpd_set_static_data(mpd_t *result);
|
|
EXTINLINE void mpd_set_shared_data(mpd_t *result);
|
|
EXTINLINE void mpd_set_const_data(mpd_t *result);
|
|
EXTINLINE void mpd_clear_flags(mpd_t *result);
|
|
EXTINLINE void mpd_set_flags(mpd_t *result, uint8_t flags);
|
|
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); \
|
|
abort(); \
|
|
} 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 */
|
|
/******************************************************************************/
|
|
|
|
extern void *(* mpd_mallocfunc)(size_t size);
|
|
extern void *(* mpd_callocfunc)(size_t nmemb, size_t size);
|
|
extern void *(* mpd_reallocfunc)(void *ptr, size_t size);
|
|
extern void (* mpd_free)(void *ptr);
|
|
|
|
void *mpd_callocfunc_em(size_t nmemb, size_t size);
|
|
|
|
void *mpd_alloc(mpd_size_t nmemb, mpd_size_t size);
|
|
void *mpd_calloc(mpd_size_t nmemb, mpd_size_t size);
|
|
void *mpd_realloc(void *ptr, mpd_size_t nmemb, mpd_size_t size, uint8_t *err);
|
|
void *mpd_sh_alloc(mpd_size_t struct_size, mpd_size_t nmemb, mpd_size_t size);
|
|
|
|
mpd_t *mpd_qnew(void);
|
|
mpd_t *mpd_new(mpd_context_t *ctx);
|
|
mpd_t *mpd_qnew_size(mpd_ssize_t size);
|
|
void mpd_del(mpd_t *dec);
|
|
|
|
void mpd_uint_zero(mpd_uint_t *dest, mpd_size_t len);
|
|
int mpd_qresize(mpd_t *result, mpd_ssize_t size, uint32_t *status);
|
|
int mpd_qresize_zero(mpd_t *result, mpd_ssize_t size, uint32_t *status);
|
|
void mpd_minalloc(mpd_t *result);
|
|
|
|
int mpd_resize(mpd_t *result, mpd_ssize_t size, mpd_context_t *ctx);
|
|
int mpd_resize_zero(mpd_t *result, mpd_ssize_t size, mpd_context_t *ctx);
|
|
|
|
|
|
MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
#ifdef MPD_CLEAR_STDC_LIMIT_MACROS
|
|
#undef MPD_CLEAR_STDC_LIMIT_MACROS
|
|
#undef __STDC_LIMIT_MACROS
|
|
#endif
|
|
} /* END extern "C" */
|
|
#endif
|
|
|
|
|
|
#endif /* MPDECIMAL_H */
|
|
|
|
|
|
|