annotate libdecnumber/decDouble.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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1 /* decDouble module for the decNumber C Library.
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1830386684a0 gcc-9.2.0
anatofuz
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2 Copyright (C) 2007-2020 Free Software Foundation, Inc.
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3 Contributed by IBM Corporation. Author Mike Cowlishaw.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 Under Section 7 of GPL version 3, you are granted additional
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18 permissions described in the GCC Runtime Library Exception, version
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19 3.1, as published by the Free Software Foundation.
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20
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21 You should have received a copy of the GNU General Public License and
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22 a copy of the GCC Runtime Library Exception along with this program;
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23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 <http://www.gnu.org/licenses/>. */
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26 /* ------------------------------------------------------------------ */
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27 /* decDouble.c -- decDouble operations module */
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28 /* ------------------------------------------------------------------ */
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29 /* This module comprises decDouble operations (including conversions) */
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30 /* ------------------------------------------------------------------ */
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31
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32 #include "decContext.h" /* public includes */
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33 #include "decDouble.h" /* .. */
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34
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35 /* Constant mappings for shared code */
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36 #define DECPMAX DECDOUBLE_Pmax
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37 #define DECEMIN DECDOUBLE_Emin
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38 #define DECEMAX DECDOUBLE_Emax
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39 #define DECEMAXD DECDOUBLE_EmaxD
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40 #define DECBYTES DECDOUBLE_Bytes
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41 #define DECSTRING DECDOUBLE_String
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42 #define DECECONL DECDOUBLE_EconL
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43 #define DECBIAS DECDOUBLE_Bias
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44 #define DECLETS DECDOUBLE_Declets
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45 #define DECQTINY (-DECDOUBLE_Bias)
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46 /* parameters of next-wider format */
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47 #define DECWBYTES DECQUAD_Bytes
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48 #define DECWPMAX DECQUAD_Pmax
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49 #define DECWECONL DECQUAD_EconL
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50 #define DECWBIAS DECQUAD_Bias
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51
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52 /* Type and function mappings for shared code */
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53 #define decFloat decDouble /* Type name */
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54 #define decFloatWider decQuad /* Type name */
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56 /* Utilities and conversions (binary results, extractors, etc.) */
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57 #define decFloatFromBCD decDoubleFromBCD
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58 #define decFloatFromInt32 decDoubleFromInt32
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59 #define decFloatFromPacked decDoubleFromPacked
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60 #define decFloatFromPackedChecked decDoubleFromPackedChecked
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61 #define decFloatFromString decDoubleFromString
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62 #define decFloatFromUInt32 decDoubleFromUInt32
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63 #define decFloatFromWider decDoubleFromWider
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64 #define decFloatGetCoefficient decDoubleGetCoefficient
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65 #define decFloatGetExponent decDoubleGetExponent
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66 #define decFloatSetCoefficient decDoubleSetCoefficient
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67 #define decFloatSetExponent decDoubleSetExponent
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68 #define decFloatShow decDoubleShow
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69 #define decFloatToBCD decDoubleToBCD
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70 #define decFloatToEngString decDoubleToEngString
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71 #define decFloatToInt32 decDoubleToInt32
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72 #define decFloatToInt32Exact decDoubleToInt32Exact
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73 #define decFloatToPacked decDoubleToPacked
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74 #define decFloatToString decDoubleToString
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75 #define decFloatToUInt32 decDoubleToUInt32
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76 #define decFloatToUInt32Exact decDoubleToUInt32Exact
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77 #define decFloatToWider decDoubleToWider
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78 #define decFloatZero decDoubleZero
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80 /* Computational (result is a decFloat) */
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81 #define decFloatAbs decDoubleAbs
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82 #define decFloatAdd decDoubleAdd
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83 #define decFloatAnd decDoubleAnd
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84 #define decFloatDivide decDoubleDivide
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85 #define decFloatDivideInteger decDoubleDivideInteger
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86 #define decFloatFMA decDoubleFMA
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87 #define decFloatInvert decDoubleInvert
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88 #define decFloatLogB decDoubleLogB
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89 #define decFloatMax decDoubleMax
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90 #define decFloatMaxMag decDoubleMaxMag
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91 #define decFloatMin decDoubleMin
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92 #define decFloatMinMag decDoubleMinMag
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93 #define decFloatMinus decDoubleMinus
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94 #define decFloatMultiply decDoubleMultiply
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95 #define decFloatNextMinus decDoubleNextMinus
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96 #define decFloatNextPlus decDoubleNextPlus
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97 #define decFloatNextToward decDoubleNextToward
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98 #define decFloatOr decDoubleOr
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99 #define decFloatPlus decDoublePlus
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100 #define decFloatQuantize decDoubleQuantize
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101 #define decFloatReduce decDoubleReduce
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102 #define decFloatRemainder decDoubleRemainder
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103 #define decFloatRemainderNear decDoubleRemainderNear
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104 #define decFloatRotate decDoubleRotate
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105 #define decFloatScaleB decDoubleScaleB
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106 #define decFloatShift decDoubleShift
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107 #define decFloatSubtract decDoubleSubtract
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108 #define decFloatToIntegralValue decDoubleToIntegralValue
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109 #define decFloatToIntegralExact decDoubleToIntegralExact
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110 #define decFloatXor decDoubleXor
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111
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112 /* Comparisons */
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113 #define decFloatCompare decDoubleCompare
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114 #define decFloatCompareSignal decDoubleCompareSignal
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115 #define decFloatCompareTotal decDoubleCompareTotal
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116 #define decFloatCompareTotalMag decDoubleCompareTotalMag
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117
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118 /* Copies */
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119 #define decFloatCanonical decDoubleCanonical
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120 #define decFloatCopy decDoubleCopy
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121 #define decFloatCopyAbs decDoubleCopyAbs
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122 #define decFloatCopyNegate decDoubleCopyNegate
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123 #define decFloatCopySign decDoubleCopySign
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124
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125 /* Non-computational */
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126 #define decFloatClass decDoubleClass
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127 #define decFloatClassString decDoubleClassString
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128 #define decFloatDigits decDoubleDigits
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129 #define decFloatIsCanonical decDoubleIsCanonical
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130 #define decFloatIsFinite decDoubleIsFinite
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131 #define decFloatIsInfinite decDoubleIsInfinite
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132 #define decFloatIsInteger decDoubleIsInteger
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133 #define decFloatIsNaN decDoubleIsNaN
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134 #define decFloatIsNormal decDoubleIsNormal
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135 #define decFloatIsSignaling decDoubleIsSignaling
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136 #define decFloatIsSignalling decDoubleIsSignalling
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137 #define decFloatIsSigned decDoubleIsSigned
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138 #define decFloatIsSubnormal decDoubleIsSubnormal
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139 #define decFloatIsZero decDoubleIsZero
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140 #define decFloatRadix decDoubleRadix
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141 #define decFloatSameQuantum decDoubleSameQuantum
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142 #define decFloatVersion decDoubleVersion
0
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143
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144 #include "decNumberLocal.h" /* local includes (need DECPMAX) */
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145 #include "decCommon.c" /* non-arithmetic decFloat routines */
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146 #include "decBasic.c" /* basic formats routines */
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147