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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [libdecnumber/] [decDouble.h] - Blame information for rev 853

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1 24 jeremybenn 
/* decDouble module header for the decNumber C Library.
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   Copyright (C) 2007 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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   In addition to the permissions in the GNU General Public License,
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   the Free Software Foundation gives you unlimited permission to link
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   the compiled version of this file into combinations with other
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   programs, and to distribute those combinations without any
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   restriction coming from the use of this file.  (The General Public
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   License restrictions do apply in other respects; for example, they
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   cover modification of the file, and distribution when not linked
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   into a combine executable.)
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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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/* ------------------------------------------------------------------ */
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/* decDouble.h -- Decimal 64-bit format module header                 */
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/* ------------------------------------------------------------------ */
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/* Please see decFloats.h for an overview and documentation details.  */
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/* ------------------------------------------------------------------ */
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#if !defined(DECDOUBLE)
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  #define DECDOUBLE
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  #define DECDOUBLENAME       "decimalDouble"         /* Short name   */
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  #define DECDOUBLETITLE      "Decimal 64-bit datum"  /* Verbose name */
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  #define DECDOUBLEAUTHOR     "Mike Cowlishaw"        /* Who to blame */
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  /* parameters for decDoubles */
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  #define DECDOUBLE_Bytes   8      /* length                          */
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  #define DECDOUBLE_Pmax    16     /* maximum precision (digits)      */
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  #define DECDOUBLE_Emin   -383    /* minimum adjusted exponent       */
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  #define DECDOUBLE_Emax    384    /* maximum adjusted exponent       */
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  #define DECDOUBLE_EmaxD   3      /* maximum exponent digits         */
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  #define DECDOUBLE_Bias    398    /* bias for the exponent           */
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  #define DECDOUBLE_String  25     /* maximum string length, +1       */
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  #define DECDOUBLE_EconL   8      /* exponent continuation length    */
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  #define DECDOUBLE_Declets 5      /* count of declets                */
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  /* highest biased exponent (Elimit-1) */
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  #define DECDOUBLE_Ehigh (DECDOUBLE_Emax + DECDOUBLE_Bias - (DECDOUBLE_Pmax-1))
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  /* Required includes                                                */
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  #include "decContext.h"
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  #include "decQuad.h"
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  /* The decDouble decimal 64-bit type, accessible by bytes */
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  typedef struct {
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    uint8_t bytes[DECDOUBLE_Bytes]; /* fields: 1, 5, 8, 50 bits   */
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    } decDouble;
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  /* ---------------------------------------------------------------- */
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  /* Routines -- implemented as decFloat routines in common files     */
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  /* ---------------------------------------------------------------- */
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  #include "decDoubleSymbols.h"
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  /* Utilities and conversions, extractors, etc.) */
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  extern decDouble * decDoubleFromBCD(decDouble *, int32_t, const uint8_t *, int32_t);
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  extern decDouble * decDoubleFromInt32(decDouble *, int32_t);
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  extern decDouble * decDoubleFromPacked(decDouble *, int32_t, const uint8_t *);
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  extern decDouble * decDoubleFromString(decDouble *, const char *, decContext *);
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  extern decDouble * decDoubleFromUInt32(decDouble *, uint32_t);
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  extern decDouble * decDoubleFromWider(decDouble *, const decQuad *, decContext *);
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  extern int32_t     decDoubleGetCoefficient(const decDouble *, uint8_t *);
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  extern int32_t     decDoubleGetExponent(const decDouble *);
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  extern decDouble * decDoubleSetCoefficient(decDouble *, const uint8_t *, int32_t);
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  extern decDouble * decDoubleSetExponent(decDouble *, decContext *, int32_t);
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  extern void        decDoubleShow(const decDouble *, const char *);
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  extern int32_t     decDoubleToBCD(const decDouble *, int32_t *, uint8_t *);
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  extern char      * decDoubleToEngString(const decDouble *, char *);
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  extern int32_t     decDoubleToInt32(const decDouble *, decContext *, enum rounding);
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  extern int32_t     decDoubleToInt32Exact(const decDouble *, decContext *, enum rounding);
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  extern int32_t     decDoubleToPacked(const decDouble *, int32_t *, uint8_t *);
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  extern char      * decDoubleToString(const decDouble *, char *);
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  extern uint32_t    decDoubleToUInt32(const decDouble *, decContext *, enum rounding);
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  extern uint32_t    decDoubleToUInt32Exact(const decDouble *, decContext *, enum rounding);
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  extern decQuad   * decDoubleToWider(const decDouble *, decQuad *);
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  extern decDouble * decDoubleZero(decDouble *);
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  /* Computational (result is a decDouble) */
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  extern decDouble * decDoubleAbs(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleAdd(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleAnd(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleDivide(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleDivideInteger(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleFMA(decDouble *, const decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleInvert(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleLogB(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleMax(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleMaxMag(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleMin(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleMinMag(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleMinus(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleMultiply(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleNextMinus(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleNextPlus(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleNextToward(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleOr(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoublePlus(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleQuantize(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleReduce(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleRemainder(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleRemainderNear(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleRotate(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleScaleB(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleShift(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleSubtract(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleToIntegralValue(decDouble *, const decDouble *, decContext *, enum rounding);
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  extern decDouble * decDoubleToIntegralExact(decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleXor(decDouble *, const decDouble *, const decDouble *, decContext *);
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  /* Comparisons */
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  extern decDouble * decDoubleCompare(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleCompareSignal(decDouble *, const decDouble *, const decDouble *, decContext *);
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  extern decDouble * decDoubleCompareTotal(decDouble *, const decDouble *, const decDouble *);
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  extern decDouble * decDoubleCompareTotalMag(decDouble *, const decDouble *, const decDouble *);
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  /* Copies */
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  extern decDouble * decDoubleCanonical(decDouble *, const decDouble *);
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  extern decDouble * decDoubleCopy(decDouble *, const decDouble *);
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  extern decDouble * decDoubleCopyAbs(decDouble *, const decDouble *);
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  extern decDouble * decDoubleCopyNegate(decDouble *, const decDouble *);
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  extern decDouble * decDoubleCopySign(decDouble *, const decDouble *, const decDouble *);
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  /* Non-computational */
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  extern enum decClass decDoubleClass(const decDouble *);
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  extern const char *  decDoubleClassString(const decDouble *);
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  extern uint32_t      decDoubleDigits(const decDouble *);
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  extern uint32_t      decDoubleIsCanonical(const decDouble *);
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  extern uint32_t      decDoubleIsFinite(const decDouble *);
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  extern uint32_t      decDoubleIsInfinite(const decDouble *);
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  extern uint32_t      decDoubleIsInteger(const decDouble *);
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  extern uint32_t      decDoubleIsNaN(const decDouble *);
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  extern uint32_t      decDoubleIsNormal(const decDouble *);
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  extern uint32_t      decDoubleIsSignaling(const decDouble *);
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  extern uint32_t      decDoubleIsSignalling(const decDouble *);
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  extern uint32_t      decDoubleIsSigned(const decDouble *);
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  extern uint32_t      decDoubleIsSubnormal(const decDouble *);
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  extern uint32_t      decDoubleIsZero(const decDouble *);
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  extern uint32_t      decDoubleRadix(const decDouble *);
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  extern uint32_t      decDoubleSameQuantum(const decDouble *, const decDouble *);
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  extern const char *  decDoubleVersion(void);
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  /* decNumber conversions; these are implemented as macros so as not  */
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  /* to force a dependency on decimal64 and decNumber in decDouble.    */
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  #define decDoubleToNumber(dq, dn) decimal64ToNumber((decimal64 *)(dq), dn)
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  #define decDoubleFromNumber(dq, dn, set) (decDouble *)decimal64FromNumber((decimal64 *)(dq), dn, set)
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#endif

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