1 /* decDouble module for the decNumber C Library. 2 Copyright (C) 2007-2013 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 /* decDouble.c -- decDouble operations module */ 28 /* ------------------------------------------------------------------ */ 29 /* This module comprises decDouble operations (including conversions) */ 30 /* ------------------------------------------------------------------ */ 31 32 #include "decContext.h" /* public includes */ 33 #include "decDouble.h" /* .. */ 34 35 /* Constant mappings for shared code */ 36 #define DECPMAX DECDOUBLE_Pmax 37 #define DECEMIN DECDOUBLE_Emin 38 #define DECEMAX DECDOUBLE_Emax 39 #define DECEMAXD DECDOUBLE_EmaxD 40 #define DECBYTES DECDOUBLE_Bytes 41 #define DECSTRING DECDOUBLE_String 42 #define DECECONL DECDOUBLE_EconL 43 #define DECBIAS DECDOUBLE_Bias 44 #define DECLETS DECDOUBLE_Declets 45 #define DECQTINY (-DECDOUBLE_Bias) 46 /* parameters of next-wider format */ 47 #define DECWBYTES DECQUAD_Bytes 48 #define DECWPMAX DECQUAD_Pmax 49 #define DECWECONL DECQUAD_EconL 50 #define DECWBIAS DECQUAD_Bias 51 52 /* Type and function mappings for shared code */ 53 #define decFloat decDouble /* Type name */ 54 #define decFloatWider decQuad /* Type name */ 55 56 /* Utilities and conversions (binary results, extractors, etc.) */ 57 #define decFloatFromBCD decDoubleFromBCD 58 #define decFloatFromInt32 decDoubleFromInt32 59 #define decFloatFromPacked decDoubleFromPacked 60 #define decFloatFromPackedChecked decDoubleFromPackedChecked 61 #define decFloatFromString decDoubleFromString 62 #define decFloatFromUInt32 decDoubleFromUInt32 63 #define decFloatFromWider decDoubleFromWider 64 #define decFloatGetCoefficient decDoubleGetCoefficient 65 #define decFloatGetExponent decDoubleGetExponent 66 #define decFloatSetCoefficient decDoubleSetCoefficient 67 #define decFloatSetExponent decDoubleSetExponent 68 #define decFloatShow decDoubleShow 69 #define decFloatToBCD decDoubleToBCD 70 #define decFloatToEngString decDoubleToEngString 71 #define decFloatToInt32 decDoubleToInt32 72 #define decFloatToInt32Exact decDoubleToInt32Exact 73 #define decFloatToPacked decDoubleToPacked 74 #define decFloatToString decDoubleToString 75 #define decFloatToUInt32 decDoubleToUInt32 76 #define decFloatToUInt32Exact decDoubleToUInt32Exact 77 #define decFloatToWider decDoubleToWider 78 #define decFloatZero decDoubleZero 79 80 /* Computational (result is a decFloat) */ 81 #define decFloatAbs decDoubleAbs 82 #define decFloatAdd decDoubleAdd 83 #define decFloatAnd decDoubleAnd 84 #define decFloatDivide decDoubleDivide 85 #define decFloatDivideInteger decDoubleDivideInteger 86 #define decFloatFMA decDoubleFMA 87 #define decFloatInvert decDoubleInvert 88 #define decFloatLogB decDoubleLogB 89 #define decFloatMax decDoubleMax 90 #define decFloatMaxMag decDoubleMaxMag 91 #define decFloatMin decDoubleMin 92 #define decFloatMinMag decDoubleMinMag 93 #define decFloatMinus decDoubleMinus 94 #define decFloatMultiply decDoubleMultiply 95 #define decFloatNextMinus decDoubleNextMinus 96 #define decFloatNextPlus decDoubleNextPlus 97 #define decFloatNextToward decDoubleNextToward 98 #define decFloatOr decDoubleOr 99 #define decFloatPlus decDoublePlus 100 #define decFloatQuantize decDoubleQuantize 101 #define decFloatReduce decDoubleReduce 102 #define decFloatRemainder decDoubleRemainder 103 #define decFloatRemainderNear decDoubleRemainderNear 104 #define decFloatRotate decDoubleRotate 105 #define decFloatScaleB decDoubleScaleB 106 #define decFloatShift decDoubleShift 107 #define decFloatSubtract decDoubleSubtract 108 #define decFloatToIntegralValue decDoubleToIntegralValue 109 #define decFloatToIntegralExact decDoubleToIntegralExact 110 #define decFloatXor decDoubleXor 111 112 /* Comparisons */ 113 #define decFloatCompare decDoubleCompare 114 #define decFloatCompareSignal decDoubleCompareSignal 115 #define decFloatCompareTotal decDoubleCompareTotal 116 #define decFloatCompareTotalMag decDoubleCompareTotalMag 117 118 /* Copies */ 119 #define decFloatCanonical decDoubleCanonical 120 #define decFloatCopy decDoubleCopy 121 #define decFloatCopyAbs decDoubleCopyAbs 122 #define decFloatCopyNegate decDoubleCopyNegate 123 #define decFloatCopySign decDoubleCopySign 124 125 /* Non-computational */ 126 #define decFloatClass decDoubleClass 127 #define decFloatClassString decDoubleClassString 128 #define decFloatDigits decDoubleDigits 129 #define decFloatIsCanonical decDoubleIsCanonical 130 #define decFloatIsFinite decDoubleIsFinite 131 #define decFloatIsInfinite decDoubleIsInfinite 132 #define decFloatIsInteger decDoubleIsInteger 133 #define decFloatIsNaN decDoubleIsNaN 134 #define decFloatIsNormal decDoubleIsNormal 135 #define decFloatIsSignaling decDoubleIsSignaling 136 #define decFloatIsSignalling decDoubleIsSignalling 137 #define decFloatIsSigned decDoubleIsSigned 138 #define decFloatIsSubnormal decDoubleIsSubnormal 139 #define decFloatIsZero decDoubleIsZero 140 #define decFloatRadix decDoubleRadix 141 #define decFloatSameQuantum decDoubleSameQuantum 142 #define decFloatVersion decDoubleVersion 143 144 #include "decNumberLocal.h" /* local includes (need DECPMAX) */ 145 #include "decCommon.c" /* non-arithmetic decFloat routines */ 146 #include "decBasic.c" /* basic formats routines */ 147 148