aboutsummaryrefslogtreecommitdiff
path: root/libdecnumber/decDouble.c
blob: 9af8e15c6c55b8f1ff6e251a32751d1e3c157ee6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/* decDouble module for the decNumber C Library.
   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
   Contributed by IBM Corporation.  Author Mike Cowlishaw.

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 3, or (at your option) any later
   version.

   GCC is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

/* ------------------------------------------------------------------ */
/* decDouble.c -- decDouble operations module			      */
/* ------------------------------------------------------------------ */
/* This module comprises decDouble operations (including conversions) */
/* ------------------------------------------------------------------ */

#include "decContext.h"       /* public includes */
#include "decDouble.h"	      /* .. */

/* Constant mappings for shared code */
#define DECPMAX     DECDOUBLE_Pmax
#define DECEMIN     DECDOUBLE_Emin
#define DECEMAX     DECDOUBLE_Emax
#define DECEMAXD    DECDOUBLE_EmaxD
#define DECBYTES    DECDOUBLE_Bytes
#define DECSTRING   DECDOUBLE_String
#define DECECONL    DECDOUBLE_EconL
#define DECBIAS     DECDOUBLE_Bias
#define DECLETS     DECDOUBLE_Declets
#define DECQTINY    (-DECDOUBLE_Bias)
/* parameters of next-wider format */
#define DECWBYTES   DECQUAD_Bytes
#define DECWPMAX    DECQUAD_Pmax
#define DECWECONL   DECQUAD_EconL
#define DECWBIAS    DECQUAD_Bias

/* Type and function mappings for shared code */
#define decFloat		   decDouble	  /* Type name */
#define decFloatWider		   decQuad	  /* Type name */

/* Utilities and conversions (binary results, extractors, etc.) */
#define decFloatFromBCD 	   decDoubleFromBCD
#define decFloatFromInt32	   decDoubleFromInt32
#define decFloatFromPacked	   decDoubleFromPacked
#define decFloatFromPackedChecked  decDoubleFromPackedChecked
#define decFloatFromString	   decDoubleFromString
#define decFloatFromUInt32	   decDoubleFromUInt32
#define decFloatFromWider	   decDoubleFromWider
#define decFloatGetCoefficient	   decDoubleGetCoefficient
#define decFloatGetExponent	   decDoubleGetExponent
#define decFloatSetCoefficient	   decDoubleSetCoefficient
#define decFloatSetExponent	   decDoubleSetExponent
#define decFloatShow		   decDoubleShow
#define decFloatToBCD		   decDoubleToBCD
#define decFloatToEngString	   decDoubleToEngString
#define decFloatToInt32 	   decDoubleToInt32
#define decFloatToInt32Exact	   decDoubleToInt32Exact
#define decFloatToPacked	   decDoubleToPacked
#define decFloatToString	   decDoubleToString
#define decFloatToUInt32	   decDoubleToUInt32
#define decFloatToUInt32Exact	   decDoubleToUInt32Exact
#define decFloatToWider 	   decDoubleToWider
#define decFloatZero		   decDoubleZero

/* Computational (result is a decFloat) */
#define decFloatAbs		   decDoubleAbs
#define decFloatAdd		   decDoubleAdd
#define decFloatAnd		   decDoubleAnd
#define decFloatDivide		   decDoubleDivide
#define decFloatDivideInteger	   decDoubleDivideInteger
#define decFloatFMA		   decDoubleFMA
#define decFloatInvert		   decDoubleInvert
#define decFloatLogB		   decDoubleLogB
#define decFloatMax		   decDoubleMax
#define decFloatMaxMag		   decDoubleMaxMag
#define decFloatMin		   decDoubleMin
#define decFloatMinMag		   decDoubleMinMag
#define decFloatMinus		   decDoubleMinus
#define decFloatMultiply	   decDoubleMultiply
#define decFloatNextMinus	   decDoubleNextMinus
#define decFloatNextPlus	   decDoubleNextPlus
#define decFloatNextToward	   decDoubleNextToward
#define decFloatOr		   decDoubleOr
#define decFloatPlus		   decDoublePlus
#define decFloatQuantize	   decDoubleQuantize
#define decFloatReduce		   decDoubleReduce
#define decFloatRemainder	   decDoubleRemainder
#define decFloatRemainderNear	   decDoubleRemainderNear
#define decFloatRotate		   decDoubleRotate
#define decFloatScaleB		   decDoubleScaleB
#define decFloatShift		   decDoubleShift
#define decFloatSubtract	   decDoubleSubtract
#define decFloatToIntegralValue    decDoubleToIntegralValue
#define decFloatToIntegralExact    decDoubleToIntegralExact
#define decFloatXor		   decDoubleXor

/* Comparisons */
#define decFloatCompare 	   decDoubleCompare
#define decFloatCompareSignal	   decDoubleCompareSignal
#define decFloatCompareTotal	   decDoubleCompareTotal
#define decFloatCompareTotalMag    decDoubleCompareTotalMag

/* Copies */
#define decFloatCanonical	   decDoubleCanonical
#define decFloatCopy		   decDoubleCopy
#define decFloatCopyAbs 	   decDoubleCopyAbs
#define decFloatCopyNegate	   decDoubleCopyNegate
#define decFloatCopySign	   decDoubleCopySign

/* Non-computational */
#define decFloatClass		   decDoubleClass
#define decFloatClassString	   decDoubleClassString
#define decFloatDigits		   decDoubleDigits
#define decFloatIsCanonical	   decDoubleIsCanonical
#define decFloatIsFinite	   decDoubleIsFinite
#define decFloatIsInfinite	   decDoubleIsInfinite
#define decFloatIsInteger	   decDoubleIsInteger
#define decFloatIsNaN		   decDoubleIsNaN
#define decFloatIsNormal	   decDoubleIsNormal
#define decFloatIsSignaling	   decDoubleIsSignaling
#define decFloatIsSignalling	   decDoubleIsSignalling
#define decFloatIsSigned	   decDoubleIsSigned
#define decFloatIsSubnormal	   decDoubleIsSubnormal
#define decFloatIsZero		   decDoubleIsZero
#define decFloatRadix		   decDoubleRadix
#define decFloatSameQuantum	   decDoubleSameQuantum
#define decFloatVersion 	   decDoubleVersion

#include "decNumberLocal.h"   /* local includes (need DECPMAX) */
#include "decCommon.c"	      /* non-arithmetic decFloat routines */
#include "decBasic.c"	      /* basic formats routines */