libdecnumber/decQuad.c

   1 /* decQuad module for the decNumber C Library.
   2    Copyright (C) 2007 Free Software Foundation, Inc.
   3    Contributed by IBM Corporation.  Author Mike Cowlishaw.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it under
   8    the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 2, or (at your option) any later
  10    version.
  11
  12    In addition to the permissions in the GNU General Public License,
  13    the Free Software Foundation gives you unlimited permission to link
  14    the compiled version of this file into combinations with other
  15    programs, and to distribute those combinations without any
  16    restriction coming from the use of this file.  (The General Public
  17    License restrictions do apply in other respects; for example, they
  18    cover modification of the file, and distribution when not linked
  19    into a combine executable.)
  20
  21    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  22    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  23    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  24    for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with GCC; see the file COPYING.  If not, write to the Free
  28    Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  29    02110-1301, USA.  */
  30
  31 /* ------------------------------------------------------------------ */
  32 /* decQuad.c -- decQuad operations module                             */
  33 /* ------------------------------------------------------------------ */
  34 /* This module comprises decQuad operations (including conversions)   */
  35 /* ------------------------------------------------------------------ */
  36
  37 #include "decContext.h"       /* public includes */
  38 #include "decQuad.h"          /* .. */
  39
  40 /* Constant mappings for shared code */
  41 #define DECPMAX     DECQUAD_Pmax
  42 #define DECEMIN     DECQUAD_Emin
  43 #define DECEMAX     DECQUAD_Emax
  44 #define DECEMAXD    DECQUAD_EmaxD
  45 #define DECBYTES    DECQUAD_Bytes
  46 #define DECSTRING   DECQUAD_String
  47 #define DECECONL    DECQUAD_EconL
  48 #define DECBIAS     DECQUAD_Bias
  49 #define DECLETS     DECQUAD_Declets
  50 #define DECQTINY   (-DECQUAD_Bias)
  51
  52 /* Type and function mappings for shared code */
  53 #define decFloat                   decQuad        /* Type name */
  54
  55 /* Utilities and conversions (binary results, extractors, etc.) */
  56 #define decFloatFromBCD            decQuadFromBCD
  57 #define decFloatFromInt32          decQuadFromInt32
  58 #define decFloatFromPacked         decQuadFromPacked
  59 #define decFloatFromPackedChecked  decQuadFromPackedChecked
  60 #define decFloatFromString         decQuadFromString
  61 #define decFloatFromUInt32         decQuadFromUInt32
  62 #define decFloatFromWider          decQuadFromWider
  63 #define decFloatGetCoefficient     decQuadGetCoefficient
  64 #define decFloatGetExponent        decQuadGetExponent
  65 #define decFloatSetCoefficient     decQuadSetCoefficient
  66 #define decFloatSetExponent        decQuadSetExponent
  67 #define decFloatShow               decQuadShow
  68 #define decFloatToBCD              decQuadToBCD
  69 #define decFloatToEngString        decQuadToEngString
  70 #define decFloatToInt32            decQuadToInt32
  71 #define decFloatToInt32Exact       decQuadToInt32Exact
  72 #define decFloatToPacked           decQuadToPacked
  73 #define decFloatToString           decQuadToString
  74 #define decFloatToUInt32           decQuadToUInt32
  75 #define decFloatToUInt32Exact      decQuadToUInt32Exact
  76 #define decFloatToWider            decQuadToWider
  77 #define decFloatZero               decQuadZero
  78
  79 /* Computational (result is a decFloat) */
  80 #define decFloatAbs                decQuadAbs
  81 #define decFloatAdd                decQuadAdd
  82 #define decFloatAnd                decQuadAnd
  83 #define decFloatDivide             decQuadDivide
  84 #define decFloatDivideInteger      decQuadDivideInteger
  85 #define decFloatFMA                decQuadFMA
  86 #define decFloatInvert             decQuadInvert
  87 #define decFloatLogB               decQuadLogB
  88 #define decFloatMax                decQuadMax
  89 #define decFloatMaxMag             decQuadMaxMag
  90 #define decFloatMin                decQuadMin
  91 #define decFloatMinMag             decQuadMinMag
  92 #define decFloatMinus              decQuadMinus
  93 #define decFloatMultiply           decQuadMultiply
  94 #define decFloatNextMinus          decQuadNextMinus
  95 #define decFloatNextPlus           decQuadNextPlus
  96 #define decFloatNextToward         decQuadNextToward
  97 #define decFloatOr                 decQuadOr
  98 #define decFloatPlus               decQuadPlus
  99 #define decFloatQuantize           decQuadQuantize
 100 #define decFloatReduce             decQuadReduce
 101 #define decFloatRemainder          decQuadRemainder
 102 #define decFloatRemainderNear      decQuadRemainderNear
 103 #define decFloatRotate             decQuadRotate
 104 #define decFloatScaleB             decQuadScaleB
 105 #define decFloatShift              decQuadShift
 106 #define decFloatSubtract           decQuadSubtract
 107 #define decFloatToIntegralValue    decQuadToIntegralValue
 108 #define decFloatToIntegralExact    decQuadToIntegralExact
 109 #define decFloatXor                decQuadXor
 110
 111 /* Comparisons */
 112 #define decFloatCompare            decQuadCompare
 113 #define decFloatCompareSignal      decQuadCompareSignal
 114 #define decFloatCompareTotal       decQuadCompareTotal
 115 #define decFloatCompareTotalMag    decQuadCompareTotalMag
 116
 117 /* Copies */
 118 #define decFloatCanonical          decQuadCanonical
 119 #define decFloatCopy               decQuadCopy
 120 #define decFloatCopyAbs            decQuadCopyAbs
 121 #define decFloatCopyNegate         decQuadCopyNegate
 122 #define decFloatCopySign           decQuadCopySign
 123
 124 /* Non-computational */
 125 #define decFloatClass              decQuadClass
 126 #define decFloatClassString        decQuadClassString
 127 #define decFloatDigits             decQuadDigits
 128 #define decFloatIsCanonical        decQuadIsCanonical
 129 #define decFloatIsFinite           decQuadIsFinite
 130 #define decFloatIsInfinite         decQuadIsInfinite
 131 #define decFloatIsInteger          decQuadIsInteger
 132 #define decFloatIsNaN              decQuadIsNaN
 133 #define decFloatIsNormal           decQuadIsNormal
 134 #define decFloatIsSignaling        decQuadIsSignaling
 135 #define decFloatIsSignalling       decQuadIsSignalling
 136 #define decFloatIsSigned           decQuadIsSigned
 137 #define decFloatIsSubnormal        decQuadIsSubnormal
 138 #define decFloatIsZero             decQuadIsZero
 139 #define decFloatRadix              decQuadRadix
 140 #define decFloatSameQuantum        decQuadSameQuantum
 141 #define decFloatVersion            decQuadVersion
 142
 143 #include "decNumberLocal.h"   /* local includes (need DECPMAX) */
 144 #include "decCommon.c"        /* non-arithmetic decFloat routines */
 145 #include "decBasic.c"         /* basic formats routines */
 146