aa4f41c1d5
* configure.ac (ACX_PROG_CC_WARNING_OPTS): Add -Wcast-qual. * configure, config.in: Regenerate. * decContext.c (decContextStatusToString): Constify. * decContext.h (decContextStatusToString): Likewise. * decNumber.c (decNumberToString, decNumberToEngString, decNumberAbs, decNumberAdd, decNumberCompare, decNumberDivide, decNumberDivideInteger, decNumberMax, decNumberMin, decNumberMinus, decNumberPlus, decNumberMultiply, decNumberNormalize, decNumberQuantize, decNumberRescale, decNumberRemainder, decNumberRemainderNear, decNumberSameQuantum, decNumberSquareRoot, decNumberSubtract, decNumberToIntegralValue, decNumberCopy, decToString, decAddOp, decDivideOp, decMultiplyOp, decQuantizeOp, decCompareOp, decCompare, decUnitCompare, decUnitAddSub, decRoundOperand, decCopyFit, decSetCoeff, decGetInt, decNaNs, decGetDigits, decNumberShow, decDumpAr, decCheckOperands, decCheckNumber): Likewise. * decNumber.h (decNumberToString, decNumberToEngString, decNumberAbs, decNumberAdd, decNumberCompare, decNumberDivide, decNumberDivideInteger, decNumberMax, decNumberMin, decNumberMinus, decNumberMultiply, decNumberNormalize, decNumberPlus, decNumberQuantize, decNumberRemainder, decNumberRemainderNear, decNumberRescale, decNumberSameQuantum, decNumberSquareRoot, decNumberSubtract, decNumberToIntegralValue, decNumberCopy): Likewise. * decUtility.c (decDensePackCoeff, decDenseUnpackCoeff): Likewise. * decUtility.h (decDensePackCoeff, decDenseUnpackCoeff): Likewise. * decimal128.c (decimal128FromNumber, decimal128ToNumber, decimal128ToString, decimal128ToEngString, decimal128Show): Likewise. * decimal128.h (decimal128ToString, decimal128ToEngString, decimal128FromNumber, decimal128ToNumber): Likewise. * decimal32.c (decimal32FromNumber, decimal32ToNumber, decimal32ToString, decimal32ToEngString, decimal32Show): Likewise. * decimal32.h (decimal32ToString, decimal32ToEngString, decimal32FromNumber, decimal32ToNumber): Likewise. * decimal64.c (decimal64FromNumber, decimal64ToNumber, decimal64ToString, decimal64ToEngString, decimal64Show): Likewise. * decimal64.h (decimal64ToString, decimal64ToEngString, decimal64FromNumber, decimal64ToNumber): Likewise. From-SVN: r116738
108 lines
4.2 KiB
C
108 lines
4.2 KiB
C
/* Decimal 64-bit format module header for the decNumber C Library
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Copyright (C) 2005 Free Software Foundation, Inc.
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Contributed by IBM Corporation. Author Mike Cowlishaw.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#if !defined(DECIMAL64)
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#define DECIMAL64
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#define DEC64NAME "decimal64" /* Short name */
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#define DEC64FULLNAME "Decimal 64-bit Number" /* Verbose name */
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#define DEC64AUTHOR "Mike Cowlishaw" /* Who to blame */
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#if defined(DECIMAL32)
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#error decimal64.h must precede decimal32.h for correct DECNUMDIGITS
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#endif
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/* parameters for decimal64s */
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#define DECIMAL64_Bytes 8 /* length */
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#define DECIMAL64_Pmax 16 /* maximum precision (digits) */
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#define DECIMAL64_Emax 384 /* maximum adjusted exponent */
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#define DECIMAL64_Emin -383 /* minimum adjusted exponent */
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#define DECIMAL64_Bias 398 /* bias for the exponent */
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#define DECIMAL64_String 24 /* maximum string length, +1 */
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/* highest biased exponent (Elimit-1) */
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#define DECIMAL64_Ehigh (DECIMAL64_Emax+DECIMAL64_Bias-DECIMAL64_Pmax+1)
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#ifndef DECNUMDIGITS
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#define DECNUMDIGITS DECIMAL64_Pmax /* size if not already defined */
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#endif
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#ifndef DECNUMBER
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#include "decNumber.h" /* context and number library */
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#endif
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/* Decimal 64-bit type, accessible by bytes */
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typedef struct
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{
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uint8_t bytes[DECIMAL64_Bytes]; /* decimal64: 1, 5, 8, 50 bits */
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} decimal64;
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/* special values [top byte excluding sign bit; last two bits are
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don't-care for Infinity on input, last bit don't-care for NaN] */
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#if !defined(DECIMAL_NaN)
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#define DECIMAL_NaN 0x7c /* 0 11111 00 NaN */
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#define DECIMAL_sNaN 0x7e /* 0 11111 10 sNaN */
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#define DECIMAL_Inf 0x78 /* 0 11110 00 Infinity */
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#endif
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/* Macros for accessing decimal64 fields. These assume the argument
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is a reference (pointer) to the decimal64 structure */
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/* Get sign */
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#define decimal64Sign(d) ((unsigned)(d)->bytes[0]>>7)
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/* Get combination field */
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#define decimal64Comb(d) (((d)->bytes[0] & 0x7c)>>2)
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/* Get exponent continuation [does not remove bias] */
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#define decimal64ExpCon(d) ((((d)->bytes[0] & 0x03)<<6) \
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| ((unsigned)(d)->bytes[1]>>2))
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/* Set sign [this assumes sign previously 0] */
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#define decimal64SetSign(d, b) { \
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(d)->bytes[0]|=((unsigned)(b)<<7);}
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/* Set exponent continuation [does not apply bias] */
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/* This assumes range has been checked and exponent previously 0; type */
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/* of exponent must be unsigned */
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#define decimal64SetExpCon(d, e) { \
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(d)->bytes[0]|=(uint8_t)((e)>>6); \
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(d)->bytes[1]|=(uint8_t)(((e)&0x3F)<<2);}
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/* ------------------------------------------------------------------ */
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/* Routines */
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/* ------------------------------------------------------------------ */
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#ifdef IN_LIBGCC2
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#define decimal64FromString __decimal64FromString
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#define decimal64ToString __decimal64ToString
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#define decimal64ToEngString __decimal64ToEngString
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#define decimal64FromNumber __decimal64FromNumber
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#define decimal64ToNumber __decimal64ToNumber
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#endif
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/* String conversions */
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decimal64 *decimal64FromString (decimal64 *, const char *, decContext *);
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char *decimal64ToString (const decimal64 *, char *);
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char *decimal64ToEngString (const decimal64 *, char *);
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/* decNumber conversions */
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decimal64 *decimal64FromNumber (decimal64 *, const decNumber *, decContext *);
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decNumber *decimal64ToNumber (const decimal64 *, decNumber *);
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#endif
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