libdecnumber/decQuad.c

   1 /* decQuad module for the decNumber C Library.
   2    Copyright (C) 2007-2021 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 3, or (at your option) any later
  10    version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15    for more details.
  16
  17 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 /* ------------------------------------------------------------------ */
  27 /* decQuad.c -- decQuad operations module                             */
  28 /* ------------------------------------------------------------------ */
  29 /* This module comprises decQuad operations (including conversions)   */
  30 /* ------------------------------------------------------------------ */
  31
  32 #include "decContext.h"       /* public includes */
  33 #include "decQuad.h"          /* .. */
  34
  35 /* Constant mappings for shared code */
  36 #define DECPMAX     DECQUAD_Pmax
  37 #define DECEMIN     DECQUAD_Emin
  38 #define DECEMAX     DECQUAD_Emax
  39 #define DECEMAXD    DECQUAD_EmaxD
  40 #define DECBYTES    DECQUAD_Bytes
  41 #define DECSTRING   DECQUAD_String
  42 #define DECECONL    DECQUAD_EconL
  43 #define DECBIAS     DECQUAD_Bias
  44 #define DECLETS     DECQUAD_Declets
  45 #define DECQTINY   (-DECQUAD_Bias)
  46
  47 /* Type and function mappings for shared code */
  48 #define decFloat                   decQuad        /* Type name */
  49
  50 /* Utilities and conversions (binary results, extractors, etc.) */
  51 #define decFloatFromBCD            decQuadFromBCD
  52 #define decFloatFromInt32          decQuadFromInt32
  53 #define decFloatFromPacked         decQuadFromPacked
  54 #define decFloatFromPackedChecked  decQuadFromPackedChecked
  55 #define decFloatFromString         decQuadFromString
  56 #define decFloatFromUInt32         decQuadFromUInt32
  57 #define decFloatFromWider          decQuadFromWider
  58 #define decFloatGetCoefficient     decQuadGetCoefficient
  59 #define decFloatGetExponent        decQuadGetExponent
  60 #define decFloatSetCoefficient     decQuadSetCoefficient
  61 #define decFloatSetExponent        decQuadSetExponent
  62 #define decFloatShow               decQuadShow
  63 #define decFloatToBCD              decQuadToBCD
  64 #define decFloatToEngString        decQuadToEngString
  65 #define decFloatToInt32            decQuadToInt32
  66 #define decFloatToInt32Exact       decQuadToInt32Exact
  67 #define decFloatToPacked           decQuadToPacked
  68 #define decFloatToString           decQuadToString
  69 #define decFloatToUInt32           decQuadToUInt32
  70 #define decFloatToUInt32Exact      decQuadToUInt32Exact
  71 #define decFloatToWider            decQuadToWider
  72 #define decFloatZero               decQuadZero
  73
  74 /* Computational (result is a decFloat) */
  75 #define decFloatAbs                decQuadAbs
  76 #define decFloatAdd                decQuadAdd
  77 #define decFloatAnd                decQuadAnd
  78 #define decFloatDivide             decQuadDivide
  79 #define decFloatDivideInteger      decQuadDivideInteger
  80 #define decFloatFMA                decQuadFMA
  81 #define decFloatInvert             decQuadInvert
  82 #define decFloatLogB               decQuadLogB
  83 #define decFloatMax                decQuadMax
  84 #define decFloatMaxMag             decQuadMaxMag
  85 #define decFloatMin                decQuadMin
  86 #define decFloatMinMag             decQuadMinMag
  87 #define decFloatMinus              decQuadMinus
  88 #define decFloatMultiply           decQuadMultiply
  89 #define decFloatNextMinus          decQuadNextMinus
  90 #define decFloatNextPlus           decQuadNextPlus
  91 #define decFloatNextToward         decQuadNextToward
  92 #define decFloatOr                 decQuadOr
  93 #define decFloatPlus               decQuadPlus
  94 #define decFloatQuantize           decQuadQuantize
  95 #define decFloatReduce             decQuadReduce
  96 #define decFloatRemainder          decQuadRemainder
  97 #define decFloatRemainderNear      decQuadRemainderNear
  98 #define decFloatRotate             decQuadRotate
  99 #define decFloatScaleB             decQuadScaleB
 100 #define decFloatShift              decQuadShift
 101 #define decFloatSubtract           decQuadSubtract
 102 #define decFloatToIntegralValue    decQuadToIntegralValue
 103 #define decFloatToIntegralExact    decQuadToIntegralExact
 104 #define decFloatXor                decQuadXor
 105
 106 /* Comparisons */
 107 #define decFloatCompare            decQuadCompare
 108 #define decFloatCompareSignal      decQuadCompareSignal
 109 #define decFloatCompareTotal       decQuadCompareTotal
 110 #define decFloatCompareTotalMag    decQuadCompareTotalMag
 111
 112 /* Copies */
 113 #define decFloatCanonical          decQuadCanonical
 114 #define decFloatCopy               decQuadCopy
 115 #define decFloatCopyAbs            decQuadCopyAbs
 116 #define decFloatCopyNegate         decQuadCopyNegate
 117 #define decFloatCopySign           decQuadCopySign
 118
 119 /* Non-computational */
 120 #define decFloatClass              decQuadClass
 121 #define decFloatClassString        decQuadClassString
 122 #define decFloatDigits             decQuadDigits
 123 #define decFloatIsCanonical        decQuadIsCanonical
 124 #define decFloatIsFinite           decQuadIsFinite
 125 #define decFloatIsInfinite         decQuadIsInfinite
 126 #define decFloatIsInteger          decQuadIsInteger
 127 #define decFloatIsNaN              decQuadIsNaN
 128 #define decFloatIsNormal           decQuadIsNormal
 129 #define decFloatIsSignaling        decQuadIsSignaling
 130 #define decFloatIsSignalling       decQuadIsSignalling
 131 #define decFloatIsSigned           decQuadIsSigned
 132 #define decFloatIsSubnormal        decQuadIsSubnormal
 133 #define decFloatIsZero             decQuadIsZero
 134 #define decFloatRadix              decQuadRadix
 135 #define decFloatSameQuantum        decQuadSameQuantum
 136 #define decFloatVersion            decQuadVersion
 137
 138 #include "decNumberLocal.h"   /* local includes (need DECPMAX) */
 139 #include "decCommon.c"        /* non-arithmetic decFloat routines */
 140 #include "decBasic.c"         /* basic formats routines */
 141