inc/decQuad.h - metacpan.org


            
              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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
              /* ------------------------------------------------------------------ */
/* decQuad.h -- Decimal 128-bit format module header                  */
/* ------------------------------------------------------------------ */
/* Copyright (c) IBM Corporation, 2000, 2010.  All rights reserved.   */
/*                                                                    */
/* This software is made available under the terms of the             */
/* ICU License -- ICU 1.8.1 and later.                                */
/*                                                                    */
/* The description and User's Guide ("The decNumber C Library") for   */
/* this software is included in the package as decNumber.pdf.  This   */
/* document is also available in HTML, together with specifications,  */
/* testcases, and Web links, on the General Decimal Arithmetic page.  */
/*                                                                    */
/* Please send comments, suggestions, and corrections to the author:  */
/*   mfc@uk.ibm.com                                                   */
/*   Mike Cowlishaw, IBM Fellow                                       */
/*   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         */
/* ------------------------------------------------------------------ */
/* This include file is always included by decSingle and decDouble,   */
/* and therefore also holds useful constants used by all three.       */
#if !defined(DECQUAD)
  #define DECQUAD
  #define DECQUADNAME         "decimalQuad"           /* Short name   */
  #define DECQUADTITLE        "Decimal 128-bit datum" /* Verbose name */
  #define DECQUADAUTHOR       "Mike Cowlishaw"        /* Who to blame */
  /* parameters for decQuads */
  #define DECQUAD_Bytes    16      /* length                          */
  #define DECQUAD_Pmax     34      /* maximum precision (digits)      */
  #define DECQUAD_Emin  -6143      /* minimum adjusted exponent       */
  #define DECQUAD_Emax   6144      /* maximum adjusted exponent       */
  #define DECQUAD_EmaxD     4      /* maximum exponent digits         */
  #define DECQUAD_Bias   6176      /* bias for the exponent           */
  #define DECQUAD_String   43      /* maximum string length, +1       */
  #define DECQUAD_EconL    12      /* exponent continuation length    */
  #define DECQUAD_Declets  11      /* count of declets                */
  /* highest biased exponent (Elimit-1) */
  #define DECQUAD_Ehigh (DECQUAD_Emax + DECQUAD_Bias - (DECQUAD_Pmax-1))
  /* Required include                                                 */
  #include "decContext.h"
  /* The decQuad decimal 128-bit type, accessible by all sizes */
  typedef union {
    uint8_t   bytes[DECQUAD_Bytes];     /* fields: 1, 5, 12, 110 bits */
    uint16_t shorts[DECQUAD_Bytes/2];
    uint32_t  words[DECQUAD_Bytes/4];
    #if DECUSE64
    uint64_t  longs[DECQUAD_Bytes/8];
    #endif
    } decQuad;
  /* ---------------------------------------------------------------- */
  /* Shared constants                                                 */
  /* ---------------------------------------------------------------- */
  /* sign and special values [top 32-bits; last two bits are don't-care
     for Infinity on input, last bit don't-care for NaNs] */
  #define DECFLOAT_Sign  0x80000000     /* 1 00000 00 Sign */
  #define DECFLOAT_NaN   0x7c000000     /* 0 11111 00 NaN generic */
  #define DECFLOAT_qNaN  0x7c000000     /* 0 11111 00 qNaN */
  #define DECFLOAT_sNaN  0x7e000000     /* 0 11111 10 sNaN */
  #define DECFLOAT_Inf   0x78000000     /* 0 11110 00 Infinity */
  #define DECFLOAT_MinSp 0x78000000     /* minimum special value */
                                        /* [specials are all >=MinSp] */
  /* Sign nibble constants                                            */
  #if !defined(DECPPLUSALT)
    #define DECPPLUSALT  0x0A /* alternate plus  nibble               */
    #define DECPMINUSALT 0x0B /* alternate minus nibble               */
    #define DECPPLUS     0x0C /* preferred plus  nibble               */
    #define DECPMINUS    0x0D /* preferred minus nibble               */
    #define DECPPLUSALT2 0x0E /* alternate plus  nibble               */
    #define DECPUNSIGNED 0x0F /* alternate plus  nibble (unsigned)    */
  #endif
  /* ---------------------------------------------------------------- */
  /* Routines -- implemented as decFloat routines in common files     */
  /* ---------------------------------------------------------------- */
  /* Utilities and conversions, extractors, etc.) */
  extern decQuad * decQuadFromBCD(decQuad *, int32_t, const uint8_t *, int32_t);
  extern decQuad * decQuadFromInt32(decQuad *, int32_t);
  extern decQuad * decQuadFromPacked(decQuad *, int32_t, const uint8_t *);
  extern decQuad * decQuadFromPackedChecked(decQuad *, int32_t, const uint8_t *);
  extern decQuad * decQuadFromString(decQuad *, const char *, decContext *);
  extern decQuad * decQuadFromUInt32(decQuad *, uint32_t);
  extern int32_t   decQuadGetCoefficient(const decQuad *, uint8_t *);
  extern int32_t   decQuadGetExponent(const decQuad *);
  extern decQuad * decQuadSetCoefficient(decQuad *, const uint8_t *, int32_t);
  extern decQuad * decQuadSetExponent(decQuad *, decContext *, int32_t);
  extern void      decQuadShow(const decQuad *, const char *);
  extern int32_t   decQuadToBCD(const decQuad *, int32_t *, uint8_t *);
  extern char    * decQuadToEngString(const decQuad *, char *);
  extern int32_t   decQuadToInt32(const decQuad *, decContext *, enum rounding);
  extern int32_t   decQuadToInt32Exact(const decQuad *, decContext *, enum rounding);
  extern int32_t   decQuadToPacked(const decQuad *, int32_t *, uint8_t *);
  extern char    * decQuadToString(const decQuad *, char *);
  extern uint32_t  decQuadToUInt32(const decQuad *, decContext *, enum rounding);
  extern uint32_t  decQuadToUInt32Exact(const decQuad *, decContext *, enum rounding);
  extern decQuad * decQuadZero(decQuad *);
  /* Computational (result is a decQuad) */
  extern decQuad * decQuadAbs(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadAdd(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadAnd(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadDivide(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadDivideInteger(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadFMA(decQuad *, const decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadInvert(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadLogB(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadMax(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadMaxMag(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadMin(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadMinMag(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadMinus(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadMultiply(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadNextMinus(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadNextPlus(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadNextToward(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadOr(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadPlus(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadQuantize(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadReduce(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadRemainder(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadRemainderNear(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadRotate(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadScaleB(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadShift(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadSubtract(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadToIntegralValue(decQuad *, const decQuad *, decContext *, enum rounding);
  extern decQuad * decQuadToIntegralExact(decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadXor(decQuad *, const decQuad *, const decQuad *, decContext *);
  /* Comparisons */
  extern decQuad * decQuadCompare(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadCompareSignal(decQuad *, const decQuad *, const decQuad *, decContext *);
  extern decQuad * decQuadCompareTotal(decQuad *, const decQuad *, const decQuad *);
  extern decQuad * decQuadCompareTotalMag(decQuad *, const decQuad *, const decQuad *);
  /* Copies */
  extern decQuad * decQuadCanonical(decQuad *, const decQuad *);
  extern decQuad * decQuadCopy(decQuad *, const decQuad *);
  extern decQuad * decQuadCopyAbs(decQuad *, const decQuad *);
  extern decQuad * decQuadCopyNegate(decQuad *, const decQuad *);
  extern decQuad * decQuadCopySign(decQuad *, const decQuad *, const decQuad *);
  /* Non-computational */
  extern enum decClass decQuadClass(const decQuad *);
  extern const char *  decQuadClassString(const decQuad *);
  extern uint32_t      decQuadDigits(const decQuad *);
  extern uint32_t      decQuadIsCanonical(const decQuad *);
  extern uint32_t      decQuadIsFinite(const decQuad *);
  extern uint32_t      decQuadIsInteger(const decQuad *);
  extern uint32_t      decQuadIsLogical(const decQuad *);
  extern uint32_t      decQuadIsInfinite(const decQuad *);
  extern uint32_t      decQuadIsNaN(const decQuad *);
  extern uint32_t      decQuadIsNegative(const decQuad *);
  extern uint32_t      decQuadIsNormal(const decQuad *);
  extern uint32_t      decQuadIsPositive(const decQuad *);
  extern uint32_t      decQuadIsSignaling(const decQuad *);
  extern uint32_t      decQuadIsSignalling(const decQuad *);
  extern uint32_t      decQuadIsSigned(const decQuad *);
  extern uint32_t      decQuadIsSubnormal(const decQuad *);
  extern uint32_t      decQuadIsZero(const decQuad *);
  extern uint32_t      decQuadRadix(const decQuad *);
  extern uint32_t      decQuadSameQuantum(const decQuad *, const decQuad *);
  extern const char *  decQuadVersion(void);
  /* decNumber conversions; these are implemented as macros so as not  */
  /* to force a dependency on decimal128 and decNumber in decQuad.     */
  /* decQuadFromNumber returns a decimal128 * to avoid warnings.       */
  #define decQuadToNumber(dq, dn) decimal128ToNumber((decimal128 *)(dq), dn)
  #define decQuadFromNumber(dq, dn, set) decimal128FromNumber((decimal128 *)(dq), dn, set)
#endif
	Global
`s`	Focus search bar
`?`	Bring up this help dialog
	GitHub
`g` `p`	Go to pull requests
`g` `i`	go to github issues (only if github is preferred repository)
	POD
`g` `a`	Go to author
`g` `c`	Go to changes
`g` `i`	Go to issues
`g` `d`	Go to dist
`g` `r`	Go to repository/SCM
`g` `s`	Go to source
`g` `b`	Go to file browse
	Search terms
module: (e.g. module:Plugin)
distribution: (e.g. distribution:Dancer auth)
author: (e.g. author:SONGMU Redis)
version: (e.g. version:1.00)