libdecnumber/decDouble.c

   1 /* decDouble 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 /* decDouble.c -- decDouble operations module                         */
  33 /* ------------------------------------------------------------------ */
  34 /* This module comprises decDouble operations (including conversions) */
  35 /* ------------------------------------------------------------------ */
  36
  37 #include "decContext.h"       /* public includes */
  38 #include "decDouble.h"        /* .. */
  39
  40 /* Constant mappings for shared code */
  41 #define DECPMAX     DECDOUBLE_Pmax
  42 #define DECEMIN     DECDOUBLE_Emin
  43 #define DECEMAX     DECDOUBLE_Emax
  44 #define DECEMAXD    DECDOUBLE_EmaxD
  45 #define DECBYTES    DECDOUBLE_Bytes
  46 #define DECSTRING   DECDOUBLE_String
  47 #define DECECONL    DECDOUBLE_EconL
  48 #define DECBIAS     DECDOUBLE_Bias
  49 #define DECLETS     DECDOUBLE_Declets
  50 #define DECQTINY    (-DECDOUBLE_Bias)
  51 /* parameters of next-wider format */
  52 #define DECWBYTES   DECQUAD_Bytes
  53 #define DECWPMAX    DECQUAD_Pmax
  54 #define DECWECONL   DECQUAD_EconL
  55 #define DECWBIAS    DECQUAD_Bias
  56
  57 /* Type and function mappings for shared code */
  58 #define decFloat               decDouble          /* Type name */
  59 #define decFloatWider          decQuad            /* Type name */
  60
  61 /* Utilities and conversions (binary results, extractors, etc.) */
  62 #define decFloatFromBCD         decDoubleFromBCD
  63 #define decFloatFromInt32       decDoubleFromInt32
  64 #define decFloatFromPacked      decDoubleFromPacked
  65 #define decFloatFromString      decDoubleFromString
  66 #define decFloatFromUInt32      decDoubleFromUInt32
  67 #define decFloatFromWider       decDoubleFromWider
  68 #define decFloatGetCoefficient  decDoubleGetCoefficient
  69 #define decFloatGetExponent     decDoubleGetExponent
  70 #define decFloatSetCoefficient  decDoubleSetCoefficient
  71 #define decFloatSetExponent     decDoubleSetExponent
  72 #define decFloatShow            decDoubleShow
  73 #define decFloatToBCD           decDoubleToBCD
  74 #define decFloatToEngString     decDoubleToEngString
  75 #define decFloatToInt32         decDoubleToInt32
  76 #define decFloatToInt32Exact    decDoubleToInt32Exact
  77 #define decFloatToPacked        decDoubleToPacked
  78 #define decFloatToString        decDoubleToString
  79 #define decFloatToUInt32        decDoubleToUInt32
  80 #define decFloatToUInt32Exact   decDoubleToUInt32Exact
  81 #define decFloatToWider         decDoubleToWider
  82 #define decFloatZero            decDoubleZero
  83
  84 /* Computational (result is a decFloat) */
  85 #define decFloatAbs             decDoubleAbs
  86 #define decFloatAdd             decDoubleAdd
  87 #define decFloatAnd             decDoubleAnd
  88 #define decFloatDivide          decDoubleDivide
  89 #define decFloatDivideInteger   decDoubleDivideInteger
  90 #define decFloatFMA             decDoubleFMA
  91 #define decFloatInvert          decDoubleInvert
  92 #define decFloatLogB            decDoubleLogB
  93 #define decFloatMax             decDoubleMax
  94 #define decFloatMaxMag          decDoubleMaxMag
  95 #define decFloatMin             decDoubleMin
  96 #define decFloatMinMag          decDoubleMinMag
  97 #define decFloatMinus           decDoubleMinus
  98 #define decFloatMultiply        decDoubleMultiply
  99 #define decFloatNextMinus       decDoubleNextMinus
 100 #define decFloatNextPlus        decDoubleNextPlus
 101 #define decFloatNextToward      decDoubleNextToward
 102 #define decFloatOr              decDoubleOr
 103 #define decFloatPlus            decDoublePlus
 104 #define decFloatQuantize        decDoubleQuantize
 105 #define decFloatReduce          decDoubleReduce
 106 #define decFloatRemainder       decDoubleRemainder
 107 #define decFloatRemainderNear   decDoubleRemainderNear
 108 #define decFloatRotate          decDoubleRotate
 109 #define decFloatScaleB          decDoubleScaleB
 110 #define decFloatShift           decDoubleShift
 111 #define decFloatSubtract        decDoubleSubtract
 112 #define decFloatToIntegralValue decDoubleToIntegralValue
 113 #define decFloatToIntegralExact decDoubleToIntegralExact
 114 #define decFloatXor             decDoubleXor
 115
 116 /* Comparisons */
 117 #define decFloatCompare         decDoubleCompare
 118 #define decFloatCompareSignal   decDoubleCompareSignal
 119 #define decFloatCompareTotal    decDoubleCompareTotal
 120 #define decFloatCompareTotalMag decDoubleCompareTotalMag
 121
 122 /* Copies */
 123 #define decFloatCanonical       decDoubleCanonical
 124 #define decFloatCopy            decDoubleCopy
 125 #define decFloatCopyAbs         decDoubleCopyAbs
 126 #define decFloatCopyNegate      decDoubleCopyNegate
 127 #define decFloatCopySign        decDoubleCopySign
 128
 129 /* Non-computational */
 130 #define decFloatClass           decDoubleClass
 131 #define decFloatClassString     decDoubleClassString
 132 #define decFloatDigits          decDoubleDigits
 133 #define decFloatIsCanonical     decDoubleIsCanonical
 134 #define decFloatIsFinite        decDoubleIsFinite
 135 #define decFloatIsInfinite      decDoubleIsInfinite
 136 #define decFloatIsInteger       decDoubleIsInteger
 137 #define decFloatIsNaN           decDoubleIsNaN
 138 #define decFloatIsNormal        decDoubleIsNormal
 139 #define decFloatIsSignaling     decDoubleIsSignaling
 140 #define decFloatIsSignalling    decDoubleIsSignalling
 141 #define decFloatIsSigned        decDoubleIsSigned
 142 #define decFloatIsSubnormal     decDoubleIsSubnormal
 143 #define decFloatIsZero          decDoubleIsZero
 144 #define decFloatRadix           decDoubleRadix
 145 #define decFloatSameQuantum     decDoubleSameQuantum
 146 #define decFloatVersion         decDoubleVersion
 147
 148
 149 #include "decNumberLocal.h"   /* local includes (need DECPMAX) */
 150 #include "decCommon.c"        /* non-arithmetic decFloat routines */
 151 #include "decBasic.c"         /* basic formats routines */
 152
 153 /* Below here will move to shared file as completed */
 154