The various *Symbols.h files were not copied from the original GCC libdecnumber library; they are not necessary for use in QEMU. Remove all instances of #include "*Symbols.h" Signed-off-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de>
99 lines
4.1 KiB
C
99 lines
4.1 KiB
C
/* Decimal 32-bit format module header for the decNumber C Library.
|
|
Copyright (C) 2005, 2007 Free Software Foundation, Inc.
|
|
Contributed by IBM Corporation. Author Mike Cowlishaw.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free
|
|
Software Foundation; either version 2, or (at your option) any later
|
|
version.
|
|
|
|
In addition to the permissions in the GNU General Public License,
|
|
the Free Software Foundation gives you unlimited permission to link
|
|
the compiled version of this file into combinations with other
|
|
programs, and to distribute those combinations without any
|
|
restriction coming from the use of this file. (The General Public
|
|
License restrictions do apply in other respects; for example, they
|
|
cover modification of the file, and distribution when not linked
|
|
into a combine executable.)
|
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GCC; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301, USA. */
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
/* Decimal 32-bit format module header */
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
#if !defined(DECIMAL32)
|
|
#define DECIMAL32
|
|
#define DEC32NAME "decimal32" /* Short name */
|
|
#define DEC32FULLNAME "Decimal 32-bit Number" /* Verbose name */
|
|
#define DEC32AUTHOR "Mike Cowlishaw" /* Who to blame */
|
|
|
|
/* parameters for decimal32s */
|
|
#define DECIMAL32_Bytes 4 /* length */
|
|
#define DECIMAL32_Pmax 7 /* maximum precision (digits) */
|
|
#define DECIMAL32_Emax 96 /* maximum adjusted exponent */
|
|
#define DECIMAL32_Emin -95 /* minimum adjusted exponent */
|
|
#define DECIMAL32_Bias 101 /* bias for the exponent */
|
|
#define DECIMAL32_String 15 /* maximum string length, +1 */
|
|
#define DECIMAL32_EconL 6 /* exp. continuation length */
|
|
/* highest biased exponent (Elimit-1) */
|
|
#define DECIMAL32_Ehigh (DECIMAL32_Emax+DECIMAL32_Bias-DECIMAL32_Pmax+1)
|
|
|
|
/* check enough digits, if pre-defined */
|
|
#if defined(DECNUMDIGITS)
|
|
#if (DECNUMDIGITS<DECIMAL32_Pmax)
|
|
#error decimal32.h needs pre-defined DECNUMDIGITS>=7 for safe use
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef DECNUMDIGITS
|
|
#define DECNUMDIGITS DECIMAL32_Pmax /* size if not already defined*/
|
|
#endif
|
|
#ifndef DECNUMBER
|
|
#include "decNumber.h" /* context and number library */
|
|
#endif
|
|
|
|
/* Decimal 32-bit type, accessible by bytes */
|
|
typedef struct {
|
|
uint8_t bytes[DECIMAL32_Bytes]; /* decimal32: 1, 5, 6, 20 bits*/
|
|
} decimal32;
|
|
|
|
/* special values [top byte excluding sign bit; last two bits are */
|
|
/* don't-care for Infinity on input, last bit don't-care for NaN] */
|
|
#if !defined(DECIMAL_NaN)
|
|
#define DECIMAL_NaN 0x7c /* 0 11111 00 NaN */
|
|
#define DECIMAL_sNaN 0x7e /* 0 11111 10 sNaN */
|
|
#define DECIMAL_Inf 0x78 /* 0 11110 00 Infinity */
|
|
#endif
|
|
|
|
/* ---------------------------------------------------------------- */
|
|
/* Routines */
|
|
/* ---------------------------------------------------------------- */
|
|
|
|
|
|
/* String conversions */
|
|
decimal32 * decimal32FromString(decimal32 *, const char *, decContext *);
|
|
char * decimal32ToString(const decimal32 *, char *);
|
|
char * decimal32ToEngString(const decimal32 *, char *);
|
|
|
|
/* decNumber conversions */
|
|
decimal32 * decimal32FromNumber(decimal32 *, const decNumber *,
|
|
decContext *);
|
|
decNumber * decimal32ToNumber(const decimal32 *, decNumber *);
|
|
|
|
/* Format-dependent utilities */
|
|
uint32_t decimal32IsCanonical(const decimal32 *);
|
|
decimal32 * decimal32Canonical(decimal32 *, const decimal32 *);
|
|
|
|
#endif
|