annotate libdecnumber/decNumberLocal.h @ 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 /* Local definitions for the decNumber C Library.
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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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25
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26 /* ------------------------------------------------------------------ */
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27 /* decNumber package local type, tuning, and macro definitions */
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28 /* ------------------------------------------------------------------ */
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29 /* This header file is included by all modules in the decNumber */
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30 /* library, and contains local type definitions, tuning parameters, */
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31 /* etc. It should not need to be used by application programs. */
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32 /* decNumber.h or one of decDouble (etc.) must be included first. */
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33 /* ------------------------------------------------------------------ */
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34
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35 #if !defined(DECNUMBERLOC)
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36 #define DECNUMBERLOC
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37 #define DECVERSION "decNumber 3.61" /* Package Version [16 max.] */
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38 #define DECNLAUTHOR "Mike Cowlishaw" /* Who to blame */
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39
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40 #include <stdlib.h> /* for abs */
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41 #include <string.h> /* for memset, strcpy */
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42 #include "dconfig.h" /* for WORDS_BIGENDIAN */
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43
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44 /* Conditional code flag -- set this to match hardware platform */
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45 /* 1=little-endian, 0=big-endian */
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46 #if WORDS_BIGENDIAN
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47 #define DECLITEND 0
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48 #else
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49 #define DECLITEND 1
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50 #endif
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51
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52 #if !defined(DECLITEND)
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53 #define DECLITEND 1 /* 1=little-endian, 0=big-endian */
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54 #endif
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56 /* Conditional code flag -- set this to 1 for best performance */
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57 #if !defined(DECUSE64)
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58 #define DECUSE64 1 /* 1=use int64s, 0=int32 & smaller only */
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59 #endif
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60
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61 /* Conditional check flags -- set these to 0 for best performance */
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62 #if !defined(DECCHECK)
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63 #define DECCHECK 0 /* 1 to enable robust checking */
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64 #endif
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65 #if !defined(DECALLOC)
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66 #define DECALLOC 0 /* 1 to enable memory accounting */
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67 #endif
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68 #if !defined(DECTRACE)
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69 #define DECTRACE 0 /* 1 to trace certain internals, etc. */
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70 #endif
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71
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72 /* Tuning parameter for decNumber (arbitrary precision) module */
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73 #if !defined(DECBUFFER)
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74 #define DECBUFFER 36 /* Size basis for local buffers. This */
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75 /* should be a common maximum precision */
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76 /* rounded up to a multiple of 4; must */
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77 /* be zero or positive. */
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78 #endif
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79
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80 /* ---------------------------------------------------------------- */
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81 /* Definitions for all modules (general-purpose) */
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82 /* ---------------------------------------------------------------- */
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83
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84 /* Local names for common types -- for safety, decNumber modules do */
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85 /* not use int or long directly. */
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86 #define Flag uint8_t
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87 #define Byte int8_t
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88 #define uByte uint8_t
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89 #define Short int16_t
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90 #define uShort uint16_t
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91 #define Int int32_t
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92 #define uInt uint32_t
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93 #define Unit decNumberUnit
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94 #if DECUSE64
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95 #define Long int64_t
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96 #define uLong uint64_t
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97 #endif
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98
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99 /* Development-use definitions */
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100 typedef long int LI; /* for printf arguments only */
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101 #define DECNOINT 0 /* 1 to check no internal use of 'int' */
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102 /* or stdint types */
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103 #if DECNOINT
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104 /* if these interfere with your C includes, do not set DECNOINT */
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105 #define int ? /* enable to ensure that plain C 'int' */
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106 #define long ?? /* .. or 'long' types are not used */
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107 #endif
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108
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109 /* Shared lookup tables */
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110 extern const uByte DECSTICKYTAB[10]; /* re-round digits if sticky */
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111 extern const uInt DECPOWERS[10]; /* powers of ten table */
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112 /* The following are included from decDPD.h */
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113 #include "decDPDSymbols.h"
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114 extern const uShort DPD2BIN[1024]; /* DPD -> 0-999 */
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115 extern const uShort BIN2DPD[1000]; /* 0-999 -> DPD */
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116 extern const uInt DPD2BINK[1024]; /* DPD -> 0-999000 */
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117 extern const uInt DPD2BINM[1024]; /* DPD -> 0-999000000 */
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118 extern const uByte DPD2BCD8[4096]; /* DPD -> ddd + len */
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119 extern const uByte BIN2BCD8[4000]; /* 0-999 -> ddd + len */
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120 extern const uShort BCD2DPD[2458]; /* 0-0x999 -> DPD (0x999=2457)*/
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121
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122 /* LONGMUL32HI -- set w=(u*v)>>32, where w, u, and v are uInts */
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123 /* (that is, sets w to be the high-order word of the 64-bit result; */
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124 /* the low-order word is simply u*v.) */
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125 /* This version is derived from Knuth via Hacker's Delight; */
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126 /* it seems to optimize better than some others tried */
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127 #define LONGMUL32HI(w, u, v) { \
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128 uInt u0, u1, v0, v1, w0, w1, w2, t; \
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129 u0=u & 0xffff; u1=u>>16; \
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130 v0=v & 0xffff; v1=v>>16; \
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131 w0=u0*v0; \
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132 t=u1*v0 + (w0>>16); \
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133 w1=t & 0xffff; w2=t>>16; \
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134 w1=u0*v1 + w1; \
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135 (w)=u1*v1 + w2 + (w1>>16);}
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136
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137 /* ROUNDUP -- round an integer up to a multiple of n */
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138 #define ROUNDUP(i, n) ((((i)+(n)-1)/n)*n)
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139 #define ROUNDUP4(i) (((i)+3)&~3) /* special for n=4 */
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140
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141 /* ROUNDDOWN -- round an integer down to a multiple of n */
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142 #define ROUNDDOWN(i, n) (((i)/n)*n)
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143 #define ROUNDDOWN4(i) ((i)&~3) /* special for n=4 */
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144
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145 /* References to multi-byte sequences under different sizes; these */
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146 /* require locally declared variables, but do not violate strict */
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147 /* aliasing or alignment (as did the UINTAT simple cast to uInt). */
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148 /* Variables needed are uswork, uiwork, etc. [so do not use at same */
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149 /* level in an expression, e.g., UBTOUI(x)==UBTOUI(y) may fail]. */
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150
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151 /* Return a uInt, etc., from bytes starting at a char* or uByte* */
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152 #define UBTOUS(b) (memcpy((void *)&uswork, b, 2), uswork)
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153 #define UBTOUI(b) (memcpy((void *)&uiwork, b, 4), uiwork)
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154
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155 /* Store a uInt, etc., into bytes starting at a char* or uByte*. */
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156 /* Has to use uiwork because i may be an expression. */
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157 #define UBFROMUS(b, i) (uswork=(i), memcpy(b, (void *)&uswork, 2))
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158 #define UBFROMUI(b, i) (uiwork=(i), memcpy(b, (void *)&uiwork, 4))
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159
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160 /* X10 and X100 -- multiply integer i by 10 or 100 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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161 /* [shifts are usually faster than multiply; could be conditional] */
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162 #define X10(i) (((i)<<1)+((i)<<3))
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163 #define X100(i) (((i)<<2)+((i)<<5)+((i)<<6))
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164
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165 /* MAXI and MINI -- general max & min (not in ANSI) for integers */
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166 #define MAXI(x,y) ((x)<(y)?(y):(x))
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167 #define MINI(x,y) ((x)>(y)?(y):(x))
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168
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169 /* Useful constants */
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170 #define BILLION 1000000000 /* 10**9 */
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171 /* CHARMASK: 0x30303030 for ASCII/UTF8; 0xF0F0F0F0 for EBCDIC */
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172 #define CHARMASK ((((((((uInt)'0')<<8)+'0')<<8)+'0')<<8)+'0')
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173
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174
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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175 /* ---------------------------------------------------------------- */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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176 /* Definitions for arbitary-precision modules (only valid after */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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177 /* decNumber.h has been included) */
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178 /* ---------------------------------------------------------------- */
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179
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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180 /* Limits and constants */
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181 #define DECNUMMAXP 999999999 /* maximum precision code can handle */
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182 #define DECNUMMAXE 999999999 /* maximum adjusted exponent ditto */
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183 #define DECNUMMINE -999999999 /* minimum adjusted exponent ditto */
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184 #if (DECNUMMAXP != DEC_MAX_DIGITS)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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185 #error Maximum digits mismatch
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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186 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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187 #if (DECNUMMAXE != DEC_MAX_EMAX)
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188 #error Maximum exponent mismatch
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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189 #endif
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190 #if (DECNUMMINE != DEC_MIN_EMIN)
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191 #error Minimum exponent mismatch
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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192 #endif
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193
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194 /* Set DECDPUNMAX -- the maximum integer that fits in DECDPUN */
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195 /* digits, and D2UTABLE -- the initializer for the D2U table */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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196 #if DECDPUN==1
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197 #define DECDPUNMAX 9
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198 #define D2UTABLE {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17, \
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199 18,19,20,21,22,23,24,25,26,27,28,29,30,31,32, \
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200 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47, \
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201 48,49}
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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202 #elif DECDPUN==2
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203 #define DECDPUNMAX 99
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204 #define D2UTABLE {0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10, \
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205 11,11,12,12,13,13,14,14,15,15,16,16,17,17,18, \
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206 18,19,19,20,20,21,21,22,22,23,23,24,24,25}
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207 #elif DECDPUN==3
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208 #define DECDPUNMAX 999
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209 #define D2UTABLE {0,1,1,1,2,2,2,3,3,3,4,4,4,5,5,5,6,6,6,7,7,7, \
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210 8,8,8,9,9,9,10,10,10,11,11,11,12,12,12,13,13, \
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211 13,14,14,14,15,15,15,16,16,16,17}
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212 #elif DECDPUN==4
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213 #define DECDPUNMAX 9999
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214 #define D2UTABLE {0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6, \
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215 6,6,6,7,7,7,7,8,8,8,8,9,9,9,9,10,10,10,10,11, \
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216 11,11,11,12,12,12,12,13}
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217 #elif DECDPUN==5
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218 #define DECDPUNMAX 99999
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219 #define D2UTABLE {0,1,1,1,1,1,2,2,2,2,2,3,3,3,3,3,4,4,4,4,4,5, \
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220 5,5,5,5,6,6,6,6,6,7,7,7,7,7,8,8,8,8,8,9,9,9, \
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221 9,9,10,10,10,10}
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222 #elif DECDPUN==6
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223 #define DECDPUNMAX 999999
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224 #define D2UTABLE {0,1,1,1,1,1,1,2,2,2,2,2,2,3,3,3,3,3,3,4,4,4, \
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225 4,4,4,5,5,5,5,5,5,6,6,6,6,6,6,7,7,7,7,7,7,8, \
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226 8,8,8,8,8,9}
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227 #elif DECDPUN==7
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228 #define DECDPUNMAX 9999999
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229 #define D2UTABLE {0,1,1,1,1,1,1,1,2,2,2,2,2,2,2,3,3,3,3,3,3,3, \
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230 4,4,4,4,4,4,4,5,5,5,5,5,5,5,6,6,6,6,6,6,6,7, \
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231 7,7,7,7,7,7}
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232 #elif DECDPUN==8
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233 #define DECDPUNMAX 99999999
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234 #define D2UTABLE {0,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,3,3,3,3,3, \
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235 3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,6,6,6, \
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236 6,6,6,6,6,7}
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
237 #elif DECDPUN==9
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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238 #define DECDPUNMAX 999999999
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239 #define D2UTABLE {0,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,3,3,3, \
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240 3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5, \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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241 5,5,6,6,6,6}
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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242 #elif defined(DECDPUN)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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243 #error DECDPUN must be in the range 1-9
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
244 #endif
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245
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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246 /* ----- Shared data (in decNumber.c) ----- */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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247 /* Public lookup table used by the D2U macro (see below) */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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248 #define DECMAXD2U 49
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249 extern const uByte d2utable[DECMAXD2U+1];
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250
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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251 /* ----- Macros ----- */
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diff changeset
252 /* ISZERO -- return true if decNumber dn is a zero */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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253 /* [performance-critical in some situations] */
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254 #define ISZERO(dn) decNumberIsZero(dn) /* now just a local name */
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255
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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256 /* D2U -- return the number of Units needed to hold d digits */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
257 /* (runtime version, with table lookaside for small d) */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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258 #if DECDPUN==8
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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259 #define D2U(d) ((unsigned)((d)<=DECMAXD2U?d2utable[d]:((d)+7)>>3))
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260 #elif DECDPUN==4
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261 #define D2U(d) ((unsigned)((d)<=DECMAXD2U?d2utable[d]:((d)+3)>>2))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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262 #else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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263 #define D2U(d) ((d)<=DECMAXD2U?d2utable[d]:((d)+DECDPUN-1)/DECDPUN)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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264 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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265 /* SD2U -- static D2U macro (for compile-time calculation) */
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266 #define SD2U(d) (((d)+DECDPUN-1)/DECDPUN)
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267
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268 /* MSUDIGITS -- returns digits in msu, from digits, calculated */
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269 /* using D2U */
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270 #define MSUDIGITS(d) ((d)-(D2U(d)-1)*DECDPUN)
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271
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272 /* D2N -- return the number of decNumber structs that would be */
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273 /* needed to contain that number of digits (and the initial */
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274 /* decNumber struct) safely. Note that one Unit is included in the */
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275 /* initial structure. Used for allocating space that is aligned on */
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276 /* a decNumber struct boundary. */
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277 #define D2N(d) \
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278 ((((SD2U(d)-1)*sizeof(Unit))+sizeof(decNumber)*2-1)/sizeof(decNumber))
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279
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280 /* TODIGIT -- macro to remove the leading digit from the unsigned */
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281 /* integer u at column cut (counting from the right, LSD=0) and */
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282 /* place it as an ASCII character into the character pointed to by */
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283 /* c. Note that cut must be <= 9, and the maximum value for u is */
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284 /* 2,000,000,000 (as is needed for negative exponents of */
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285 /* subnormals). The unsigned integer pow is used as a temporary */
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286 /* variable. */
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287 #define TODIGIT(u, cut, c, pow) { \
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288 *(c)='0'; \
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289 pow=DECPOWERS[cut]*2; \
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290 if ((u)>pow) { \
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291 pow*=4; \
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292 if ((u)>=pow) {(u)-=pow; *(c)+=8;} \
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293 pow/=2; \
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294 if ((u)>=pow) {(u)-=pow; *(c)+=4;} \
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295 pow/=2; \
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296 } \
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297 if ((u)>=pow) {(u)-=pow; *(c)+=2;} \
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298 pow/=2; \
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299 if ((u)>=pow) {(u)-=pow; *(c)+=1;} \
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300 }
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301
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302 /* ---------------------------------------------------------------- */
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303 /* Definitions for fixed-precision modules (only valid after */
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304 /* decSingle.h, decDouble.h, or decQuad.h has been included) */
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305 /* ---------------------------------------------------------------- */
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306
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307 /* bcdnum -- a structure describing a format-independent finite */
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308 /* number, whose coefficient is a string of bcd8 uBytes */
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309 typedef struct {
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310 uByte *msd; /* -> most significant digit */
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311 uByte *lsd; /* -> least ditto */
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312 uInt sign; /* 0=positive, DECFLOAT_Sign=negative */
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313 Int exponent; /* Unadjusted signed exponent (q), or */
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314 /* DECFLOAT_NaN etc. for a special */
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315 } bcdnum;
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316
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317 /* Test if exponent or bcdnum exponent must be a special, etc. */
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318 #define EXPISSPECIAL(exp) ((exp)>=DECFLOAT_MinSp)
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319 #define EXPISINF(exp) (exp==DECFLOAT_Inf)
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320 #define EXPISNAN(exp) (exp==DECFLOAT_qNaN || exp==DECFLOAT_sNaN)
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321 #define NUMISSPECIAL(num) (EXPISSPECIAL((num)->exponent))
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322
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323 /* Refer to a 32-bit word or byte in a decFloat (df) by big-endian */
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324 /* (array) notation (the 0 word or byte contains the sign bit), */
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325 /* automatically adjusting for endianness; similarly address a word */
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326 /* in the next-wider format (decFloatWider, or dfw) */
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327 #define DECWORDS (DECBYTES/4)
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328 #define DECWWORDS (DECWBYTES/4)
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329 #if DECLITEND
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330 #define DFBYTE(df, off) ((df)->bytes[DECBYTES-1-(off)])
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331 #define DFWORD(df, off) ((df)->words[DECWORDS-1-(off)])
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332 #define DFWWORD(dfw, off) ((dfw)->words[DECWWORDS-1-(off)])
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333 #else
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334 #define DFBYTE(df, off) ((df)->bytes[off])
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335 #define DFWORD(df, off) ((df)->words[off])
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336 #define DFWWORD(dfw, off) ((dfw)->words[off])
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337 #endif
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338
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339 /* Tests for sign or specials, directly on DECFLOATs */
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340 #define DFISSIGNED(df) (DFWORD(df, 0)&0x80000000)
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341 #define DFISSPECIAL(df) ((DFWORD(df, 0)&0x78000000)==0x78000000)
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342 #define DFISINF(df) ((DFWORD(df, 0)&0x7c000000)==0x78000000)
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343 #define DFISNAN(df) ((DFWORD(df, 0)&0x7c000000)==0x7c000000)
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344 #define DFISQNAN(df) ((DFWORD(df, 0)&0x7e000000)==0x7c000000)
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345 #define DFISSNAN(df) ((DFWORD(df, 0)&0x7e000000)==0x7e000000)
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346
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347 /* Shared lookup tables */
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348 #include "decCommonSymbols.h"
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349 extern const uInt DECCOMBMSD[64]; /* Combination field -> MSD */
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350 extern const uInt DECCOMBFROM[48]; /* exp+msd -> Combination */
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351
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352 /* Private generic (utility) routine */
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353 #if DECCHECK || DECTRACE
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354 extern void decShowNum(const bcdnum *, const char *);
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355 #endif
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356
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357 /* Format-dependent macros and constants */
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358 #if defined(DECPMAX)
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359
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360 /* Useful constants */
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361 #define DECPMAX9 (ROUNDUP(DECPMAX, 9)/9) /* 'Pmax' in 10**9s */
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362 /* Top words for a zero */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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363 #define SINGLEZERO 0x22500000
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364 #define DOUBLEZERO 0x22380000
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365 #define QUADZERO 0x22080000
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366 /* [ZEROWORD is defined to be one of these in the DFISZERO macro] */
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367
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368 /* Format-dependent common tests: */
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369 /* DFISZERO -- test for (any) zero */
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370 /* DFISCCZERO -- test for coefficient continuation being zero */
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371 /* DFISCC01 -- test for coefficient contains only 0s and 1s */
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372 /* DFISINT -- test for finite and exponent q=0 */
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373 /* DFISUINT01 -- test for sign=0, finite, exponent q=0, and */
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374 /* MSD=0 or 1 */
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375 /* ZEROWORD is also defined here. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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376 /* In DFISZERO the first test checks the least-significant word */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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377 /* (most likely to be non-zero); the penultimate tests MSD and */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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378 /* DPDs in the signword, and the final test excludes specials and */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
379 /* MSD>7. DFISINT similarly has to allow for the two forms of */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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380 /* MSD codes. DFISUINT01 only has to allow for one form of MSD */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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381 /* code. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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382 #if DECPMAX==7
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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383 #define ZEROWORD SINGLEZERO
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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384 /* [test macros not needed except for Zero] */
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385 #define DFISZERO(df) ((DFWORD(df, 0)&0x1c0fffff)==0 \
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386 && (DFWORD(df, 0)&0x60000000)!=0x60000000)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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387 #elif DECPMAX==16
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388 #define ZEROWORD DOUBLEZERO
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389 #define DFISZERO(df) ((DFWORD(df, 1)==0 \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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390 && (DFWORD(df, 0)&0x1c03ffff)==0 \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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391 && (DFWORD(df, 0)&0x60000000)!=0x60000000))
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392 #define DFISINT(df) ((DFWORD(df, 0)&0x63fc0000)==0x22380000 \
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393 ||(DFWORD(df, 0)&0x7bfc0000)==0x6a380000)
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394 #define DFISUINT01(df) ((DFWORD(df, 0)&0xfbfc0000)==0x22380000)
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395 #define DFISCCZERO(df) (DFWORD(df, 1)==0 \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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diff changeset
396 && (DFWORD(df, 0)&0x0003ffff)==0)
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397 #define DFISCC01(df) ((DFWORD(df, 0)&~0xfffc9124)==0 \
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398 && (DFWORD(df, 1)&~0x49124491)==0)
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399 #elif DECPMAX==34
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400 #define ZEROWORD QUADZERO
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diff changeset
401 #define DFISZERO(df) ((DFWORD(df, 3)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
402 && DFWORD(df, 2)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 && DFWORD(df, 1)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 && (DFWORD(df, 0)&0x1c003fff)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
405 && (DFWORD(df, 0)&0x60000000)!=0x60000000))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
406 #define DFISINT(df) ((DFWORD(df, 0)&0x63ffc000)==0x22080000 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
407 ||(DFWORD(df, 0)&0x7bffc000)==0x6a080000)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
408 #define DFISUINT01(df) ((DFWORD(df, 0)&0xfbffc000)==0x22080000)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
409 #define DFISCCZERO(df) (DFWORD(df, 3)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
410 && DFWORD(df, 2)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 && DFWORD(df, 1)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 && (DFWORD(df, 0)&0x00003fff)==0)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
413
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
414 #define DFISCC01(df) ((DFWORD(df, 0)&~0xffffc912)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 && (DFWORD(df, 1)&~0x44912449)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 && (DFWORD(df, 2)&~0x12449124)==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
417 && (DFWORD(df, 3)&~0x49124491)==0)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
418 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
419
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 /* Macros to test if a certain 10 bits of a uInt or pair of uInts */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
421 /* are a canonical declet [higher or lower bits are ignored]. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 /* declet is at offset 0 (from the right) in a uInt: */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 #define CANONDPD(dpd) (((dpd)&0x300)==0 || ((dpd)&0x6e)!=0x6e)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 /* declet is at offset k (a multiple of 2) in a uInt: */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
425 #define CANONDPDOFF(dpd, k) (((dpd)&(0x300<<(k)))==0 \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 || ((dpd)&(((uInt)0x6e)<<(k)))!=(((uInt)0x6e)<<(k)))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 /* declet is at offset k (a multiple of 2) in a pair of uInts: */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 /* [the top 2 bits will always be in the more-significant uInt] */
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
429 #define CANONDPDTWO(hi, lo, k) (((hi)&(0x300>>(32-(k))))==0 \
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 || ((hi)&(0x6e>>(32-(k))))!=(0x6e>>(32-(k))) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
431 || ((lo)&(((uInt)0x6e)<<(k)))!=(((uInt)0x6e)<<(k)))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
432
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 /* Macro to test whether a full-length (length DECPMAX) BCD8 */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
434 /* coefficient, starting at uByte u, is all zeros */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
435 /* Test just the LSWord first, then the remainder as a sequence */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
436 /* of tests in order to avoid same-level use of UBTOUI */
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 #if DECPMAX==7
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
438 #define ISCOEFFZERO(u) ( \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
439 UBTOUI((u)+DECPMAX-4)==0 \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
440 && UBTOUS((u)+DECPMAX-6)==0 \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
441 && *(u)==0)
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 #elif DECPMAX==16
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
443 #define ISCOEFFZERO(u) ( \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
444 UBTOUI((u)+DECPMAX-4)==0 \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
445 && UBTOUI((u)+DECPMAX-8)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
446 && UBTOUI((u)+DECPMAX-12)==0 \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
447 && UBTOUI(u)==0)
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 #elif DECPMAX==34
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
449 #define ISCOEFFZERO(u) ( \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
450 UBTOUI((u)+DECPMAX-4)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
451 && UBTOUI((u)+DECPMAX-8)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
452 && UBTOUI((u)+DECPMAX-12)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
453 && UBTOUI((u)+DECPMAX-16)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
454 && UBTOUI((u)+DECPMAX-20)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
455 && UBTOUI((u)+DECPMAX-24)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
456 && UBTOUI((u)+DECPMAX-28)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
457 && UBTOUI((u)+DECPMAX-32)==0 \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
458 && UBTOUS(u)==0)
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
459 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
460
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
461 /* Macros and masks for the exponent continuation field and MSD */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 /* Get the exponent continuation from a decFloat *df as an Int */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
463 #define GETECON(df) ((Int)((DFWORD((df), 0)&0x03ffffff)>>(32-6-DECECONL)))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
464 /* Ditto, from the next-wider format */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
465 #define GETWECON(df) ((Int)((DFWWORD((df), 0)&0x03ffffff)>>(32-6-DECWECONL)))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
466 /* Get the biased exponent similarly */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 #define GETEXP(df) ((Int)(DECCOMBEXP[DFWORD((df), 0)>>26]+GETECON(df)))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 /* Get the unbiased exponent similarly */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 #define GETEXPUN(df) ((Int)GETEXP(df)-DECBIAS)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 /* Get the MSD similarly (as uInt) */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
471 #define GETMSD(df) (DECCOMBMSD[DFWORD((df), 0)>>26])
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
472
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 /* Compile-time computes of the exponent continuation field masks */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
474 /* full exponent continuation field: */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
475 #define ECONMASK ((0x03ffffff>>(32-6-DECECONL))<<(32-6-DECECONL))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 /* same, not including its first digit (the qNaN/sNaN selector): */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
477 #define ECONNANMASK ((0x01ffffff>>(32-6-DECECONL))<<(32-6-DECECONL))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
478
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 /* Macros to decode the coefficient in a finite decFloat *df into */
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
480 /* a BCD string (uByte *bcdin) of length DECPMAX uBytes. */
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
481
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
482 /* In-line sequence to convert least significant 10 bits of uInt */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
483 /* dpd to three BCD8 digits starting at uByte u. Note that an */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
484 /* extra byte is written to the right of the three digits because */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
485 /* four bytes are moved at a time for speed; the alternative */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
486 /* macro moves exactly three bytes (usually slower). */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
487 #define dpd2bcd8(u, dpd) memcpy(u, &DPD2BCD8[((dpd)&0x3ff)*4], 4)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
488 #define dpd2bcd83(u, dpd) memcpy(u, &DPD2BCD8[((dpd)&0x3ff)*4], 3)
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
489
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
490 /* Decode the declets. After extracting each one, it is decoded */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
491 /* to BCD8 using a table lookup (also used for variable-length */
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
492 /* decode). Each DPD decode is 3 bytes BCD8 plus a one-byte */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
493 /* length which is not used, here). Fixed-length 4-byte moves */
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
494 /* are fast, however, almost everywhere, and so are used except */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
495 /* for the final three bytes (to avoid overrun). The code below */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
496 /* is 36 instructions for Doubles and about 70 for Quads, even */
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
497 /* on IA32. */
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
498
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
499 /* Two macros are defined for each format: */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
500 /* GETCOEFF extracts the coefficient of the current format */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
501 /* GETWCOEFF extracts the coefficient of the next-wider format. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
502 /* The latter is a copy of the next-wider GETCOEFF using DFWWORD. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
503
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
504 #if DECPMAX==7
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
505 #define GETCOEFF(df, bcd) { \
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
506 uInt sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
507 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 dpd2bcd8(bcd+1, sourhi>>10); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
509 dpd2bcd83(bcd+4, sourhi);}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
510 #define GETWCOEFF(df, bcd) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
511 uInt sourhi=DFWWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
512 uInt sourlo=DFWWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
513 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
514 dpd2bcd8(bcd+1, sourhi>>8); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
515 dpd2bcd8(bcd+4, (sourhi<<2) | (sourlo>>30)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
516 dpd2bcd8(bcd+7, sourlo>>20); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
517 dpd2bcd8(bcd+10, sourlo>>10); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 dpd2bcd83(bcd+13, sourlo);}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
519
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
520 #elif DECPMAX==16
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
521 #define GETCOEFF(df, bcd) { \
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
522 uInt sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
523 uInt sourlo=DFWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
524 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
525 dpd2bcd8(bcd+1, sourhi>>8); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
526 dpd2bcd8(bcd+4, (sourhi<<2) | (sourlo>>30)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
527 dpd2bcd8(bcd+7, sourlo>>20); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
528 dpd2bcd8(bcd+10, sourlo>>10); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
529 dpd2bcd83(bcd+13, sourlo);}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
530 #define GETWCOEFF(df, bcd) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
531 uInt sourhi=DFWWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
532 uInt sourmh=DFWWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
533 uInt sourml=DFWWORD(df, 2); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
534 uInt sourlo=DFWWORD(df, 3); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
535 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
536 dpd2bcd8(bcd+1, sourhi>>4); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
537 dpd2bcd8(bcd+4, ((sourhi)<<6) | (sourmh>>26)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
538 dpd2bcd8(bcd+7, sourmh>>16); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
539 dpd2bcd8(bcd+10, sourmh>>6); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
540 dpd2bcd8(bcd+13, ((sourmh)<<4) | (sourml>>28)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
541 dpd2bcd8(bcd+16, sourml>>18); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
542 dpd2bcd8(bcd+19, sourml>>8); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
543 dpd2bcd8(bcd+22, ((sourml)<<2) | (sourlo>>30)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
544 dpd2bcd8(bcd+25, sourlo>>20); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
545 dpd2bcd8(bcd+28, sourlo>>10); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
546 dpd2bcd83(bcd+31, sourlo);}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
547
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
548 #elif DECPMAX==34
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
549 #define GETCOEFF(df, bcd) { \
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
550 uInt sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
551 uInt sourmh=DFWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
552 uInt sourml=DFWORD(df, 2); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
553 uInt sourlo=DFWORD(df, 3); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
554 *(bcd)=(uByte)DECCOMBMSD[sourhi>>26]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
555 dpd2bcd8(bcd+1, sourhi>>4); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
556 dpd2bcd8(bcd+4, ((sourhi)<<6) | (sourmh>>26)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
557 dpd2bcd8(bcd+7, sourmh>>16); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
558 dpd2bcd8(bcd+10, sourmh>>6); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
559 dpd2bcd8(bcd+13, ((sourmh)<<4) | (sourml>>28)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
560 dpd2bcd8(bcd+16, sourml>>18); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
561 dpd2bcd8(bcd+19, sourml>>8); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
562 dpd2bcd8(bcd+22, ((sourml)<<2) | (sourlo>>30)); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
563 dpd2bcd8(bcd+25, sourlo>>20); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
564 dpd2bcd8(bcd+28, sourlo>>10); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
565 dpd2bcd83(bcd+31, sourlo);}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
566
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
567 #define GETWCOEFF(df, bcd) {??} /* [should never be used] */
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
568 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
569
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
570 /* Macros to decode the coefficient in a finite decFloat *df into */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
571 /* a base-billion uInt array, with the least-significant */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
572 /* 0-999999999 'digit' at offset 0. */
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
573
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
574 /* Decode the declets. After extracting each one, it is decoded */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
575 /* to binary using a table lookup. Three tables are used; one */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
576 /* the usual DPD to binary, the other two pre-multiplied by 1000 */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
577 /* and 1000000 to avoid multiplication during decode. These */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
578 /* tables can also be used for multiplying up the MSD as the DPD */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
579 /* code for 0 through 9 is the identity. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
580 #define DPD2BIN0 DPD2BIN /* for prettier code */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
581
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
582 #if DECPMAX==7
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
583 #define GETCOEFFBILL(df, buf) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
584 uInt sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
585 (buf)[0]=DPD2BIN0[sourhi&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
586 +DPD2BINK[(sourhi>>10)&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
587 +DPD2BINM[DECCOMBMSD[sourhi>>26]];}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
588
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
589 #elif DECPMAX==16
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
590 #define GETCOEFFBILL(df, buf) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
591 uInt sourhi, sourlo; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
592 sourlo=DFWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
593 (buf)[0]=DPD2BIN0[sourlo&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
594 +DPD2BINK[(sourlo>>10)&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
595 +DPD2BINM[(sourlo>>20)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
596 sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
597 (buf)[1]=DPD2BIN0[((sourhi<<2) | (sourlo>>30))&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
598 +DPD2BINK[(sourhi>>8)&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
599 +DPD2BINM[DECCOMBMSD[sourhi>>26]];}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
600
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
601 #elif DECPMAX==34
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
602 #define GETCOEFFBILL(df, buf) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
603 uInt sourhi, sourmh, sourml, sourlo; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
604 sourlo=DFWORD(df, 3); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
605 (buf)[0]=DPD2BIN0[sourlo&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
606 +DPD2BINK[(sourlo>>10)&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
607 +DPD2BINM[(sourlo>>20)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
608 sourml=DFWORD(df, 2); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
609 (buf)[1]=DPD2BIN0[((sourml<<2) | (sourlo>>30))&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
610 +DPD2BINK[(sourml>>8)&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
611 +DPD2BINM[(sourml>>18)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
612 sourmh=DFWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
613 (buf)[2]=DPD2BIN0[((sourmh<<4) | (sourml>>28))&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
614 +DPD2BINK[(sourmh>>6)&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
615 +DPD2BINM[(sourmh>>16)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
616 sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
617 (buf)[3]=DPD2BIN0[((sourhi<<6) | (sourmh>>26))&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
618 +DPD2BINK[(sourhi>>4)&0x3ff] \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
619 +DPD2BINM[DECCOMBMSD[sourhi>>26]];}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
620
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
621 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
622
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
623 /* Macros to decode the coefficient in a finite decFloat *df into */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
624 /* a base-thousand uInt array (of size DECLETS+1, to allow for */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
625 /* the MSD), with the least-significant 0-999 'digit' at offset 0.*/
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
626
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
627 /* Decode the declets. After extracting each one, it is decoded */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
628 /* to binary using a table lookup. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
629 #if DECPMAX==7
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
630 #define GETCOEFFTHOU(df, buf) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
631 uInt sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
632 (buf)[0]=DPD2BIN[sourhi&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
633 (buf)[1]=DPD2BIN[(sourhi>>10)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
634 (buf)[2]=DECCOMBMSD[sourhi>>26];}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
635
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
636 #elif DECPMAX==16
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
637 #define GETCOEFFTHOU(df, buf) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
638 uInt sourhi, sourlo; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
639 sourlo=DFWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
640 (buf)[0]=DPD2BIN[sourlo&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
641 (buf)[1]=DPD2BIN[(sourlo>>10)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
642 (buf)[2]=DPD2BIN[(sourlo>>20)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
643 sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
644 (buf)[3]=DPD2BIN[((sourhi<<2) | (sourlo>>30))&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
645 (buf)[4]=DPD2BIN[(sourhi>>8)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
646 (buf)[5]=DECCOMBMSD[sourhi>>26];}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
647
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
648 #elif DECPMAX==34
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
649 #define GETCOEFFTHOU(df, buf) { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
650 uInt sourhi, sourmh, sourml, sourlo; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
651 sourlo=DFWORD(df, 3); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
652 (buf)[0]=DPD2BIN[sourlo&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
653 (buf)[1]=DPD2BIN[(sourlo>>10)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
654 (buf)[2]=DPD2BIN[(sourlo>>20)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
655 sourml=DFWORD(df, 2); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
656 (buf)[3]=DPD2BIN[((sourml<<2) | (sourlo>>30))&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
657 (buf)[4]=DPD2BIN[(sourml>>8)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
658 (buf)[5]=DPD2BIN[(sourml>>18)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
659 sourmh=DFWORD(df, 1); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
660 (buf)[6]=DPD2BIN[((sourmh<<4) | (sourml>>28))&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
661 (buf)[7]=DPD2BIN[(sourmh>>6)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
662 (buf)[8]=DPD2BIN[(sourmh>>16)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
663 sourhi=DFWORD(df, 0); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
664 (buf)[9]=DPD2BIN[((sourhi<<6) | (sourmh>>26))&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
665 (buf)[10]=DPD2BIN[(sourhi>>4)&0x3ff]; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
666 (buf)[11]=DECCOMBMSD[sourhi>>26];}
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
667 #endif
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
668
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
669
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
670 /* Macros to decode the coefficient in a finite decFloat *df and */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
671 /* add to a base-thousand uInt array (as for GETCOEFFTHOU). */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
672 /* After the addition then most significant 'digit' in the array */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
673 /* might have a value larger then 10 (with a maximum of 19). */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
674 #if DECPMAX==7
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
675 #define ADDCOEFFTHOU(df, buf) { \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
676 uInt sourhi=DFWORD(df, 0); \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
677 (buf)[0]+=DPD2BIN[sourhi&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
678 if (buf[0]>999) {buf[0]-=1000; buf[1]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
679 (buf)[1]+=DPD2BIN[(sourhi>>10)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
680 if (buf[1]>999) {buf[1]-=1000; buf[2]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
681 (buf)[2]+=DECCOMBMSD[sourhi>>26];}
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
682
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
683 #elif DECPMAX==16
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
684 #define ADDCOEFFTHOU(df, buf) { \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
685 uInt sourhi, sourlo; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
686 sourlo=DFWORD(df, 1); \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
687 (buf)[0]+=DPD2BIN[sourlo&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
688 if (buf[0]>999) {buf[0]-=1000; buf[1]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
689 (buf)[1]+=DPD2BIN[(sourlo>>10)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
690 if (buf[1]>999) {buf[1]-=1000; buf[2]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
691 (buf)[2]+=DPD2BIN[(sourlo>>20)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
692 if (buf[2]>999) {buf[2]-=1000; buf[3]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
693 sourhi=DFWORD(df, 0); \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
694 (buf)[3]+=DPD2BIN[((sourhi<<2) | (sourlo>>30))&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
695 if (buf[3]>999) {buf[3]-=1000; buf[4]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
696 (buf)[4]+=DPD2BIN[(sourhi>>8)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
697 if (buf[4]>999) {buf[4]-=1000; buf[5]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
698 (buf)[5]+=DECCOMBMSD[sourhi>>26];}
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
699
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
700 #elif DECPMAX==34
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
701 #define ADDCOEFFTHOU(df, buf) { \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
702 uInt sourhi, sourmh, sourml, sourlo; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
703 sourlo=DFWORD(df, 3); \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
704 (buf)[0]+=DPD2BIN[sourlo&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
705 if (buf[0]>999) {buf[0]-=1000; buf[1]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
706 (buf)[1]+=DPD2BIN[(sourlo>>10)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
707 if (buf[1]>999) {buf[1]-=1000; buf[2]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
708 (buf)[2]+=DPD2BIN[(sourlo>>20)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
709 if (buf[2]>999) {buf[2]-=1000; buf[3]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
710 sourml=DFWORD(df, 2); \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
711 (buf)[3]+=DPD2BIN[((sourml<<2) | (sourlo>>30))&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
712 if (buf[3]>999) {buf[3]-=1000; buf[4]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
713 (buf)[4]+=DPD2BIN[(sourml>>8)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
714 if (buf[4]>999) {buf[4]-=1000; buf[5]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
715 (buf)[5]+=DPD2BIN[(sourml>>18)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
716 if (buf[5]>999) {buf[5]-=1000; buf[6]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
717 sourmh=DFWORD(df, 1); \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
718 (buf)[6]+=DPD2BIN[((sourmh<<4) | (sourml>>28))&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
719 if (buf[6]>999) {buf[6]-=1000; buf[7]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
720 (buf)[7]+=DPD2BIN[(sourmh>>6)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
721 if (buf[7]>999) {buf[7]-=1000; buf[8]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
722 (buf)[8]+=DPD2BIN[(sourmh>>16)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
723 if (buf[8]>999) {buf[8]-=1000; buf[9]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
724 sourhi=DFWORD(df, 0); \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
725 (buf)[9]+=DPD2BIN[((sourhi<<6) | (sourmh>>26))&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
726 if (buf[9]>999) {buf[9]-=1000; buf[10]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
727 (buf)[10]+=DPD2BIN[(sourhi>>4)&0x3ff]; \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
728 if (buf[10]>999) {buf[10]-=1000; buf[11]++;} \
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
729 (buf)[11]+=DECCOMBMSD[sourhi>>26];}
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
730 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
731
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
732
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
733 /* Set a decFloat to the maximum positive finite number (Nmax) */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
734 #if DECPMAX==7
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
735 #define DFSETNMAX(df) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
736 {DFWORD(df, 0)=0x77f3fcff;}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
737 #elif DECPMAX==16
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
738 #define DFSETNMAX(df) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
739 {DFWORD(df, 0)=0x77fcff3f; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
740 DFWORD(df, 1)=0xcff3fcff;}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
741 #elif DECPMAX==34
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
742 #define DFSETNMAX(df) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
743 {DFWORD(df, 0)=0x77ffcff3; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
744 DFWORD(df, 1)=0xfcff3fcf; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
745 DFWORD(df, 2)=0xf3fcff3f; \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
746 DFWORD(df, 3)=0xcff3fcff;}
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
747 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
748
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
749 /* [end of format-dependent macros and constants] */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
750 #endif
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
751
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
752 #else
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
753 #error decNumberLocal included more than once
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
754 #endif