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maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Wed, 02 Jan 2019 16:32:43 -0500
parents fb775d5a626a
children db687716fed6
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1 /*
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2
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3 Copyright (C) 2004-2019 John W. Eaton
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4 Copyright (C) 2008-2009 Jaroslav Hajek
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5
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6 This file is part of Octave.
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7
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8 Octave is free software: you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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13 Octave is distributed in the hope that it will be useful, but
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <https://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if ! defined (octave_oct_inttypes_h)
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25 #define octave_oct_inttypes_h 1
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26
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27 #include "octave-config.h"
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28
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29 #include <cmath>
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30 #include <cstdlib>
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31
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32 #include <iosfwd>
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33 #include <limits>
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34
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35 #include "lo-mappers.h"
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36 #include "lo-traits.h"
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37
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38 template <typename T> class octave_int;
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39
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40 typedef octave_int<int8_t> octave_int8;
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41 typedef octave_int<int16_t> octave_int16;
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42 typedef octave_int<int32_t> octave_int32;
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43 typedef octave_int<int64_t> octave_int64;
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44
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45 typedef octave_int<uint8_t> octave_uint8;
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46 typedef octave_int<uint16_t> octave_uint16;
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47 typedef octave_int<uint32_t> octave_uint32;
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48 typedef octave_int<uint64_t> octave_uint64;
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49
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50 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
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51
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52 namespace octave
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53 {
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54 namespace math
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55 {
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56 inline long double round (long double x)
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57 {
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58 return std::roundl (x);
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59 }
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60
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61 inline long double isnan (long double x)
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62 {
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63 return isnan (static_cast<double> (x));
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64 }
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65 }
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66 }
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67
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68 #endif
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69
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70 // FIXME: we define this by our own because some compilers, such as
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71 // MSVC, do not provide std::abs (int64_t) and std::abs (uint64_t). In
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72 // the future, it should go away in favor of std::abs.
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73
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74 template <typename T>
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75 inline T
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76 octave_int_abs (T x)
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77 {
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78 return (x >= 0 ? x : -x);
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79 }
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80
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81 // Query for an integer type of certain sizeof, and signedness.
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82
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83 template <int qsize, bool qsigned>
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84 struct query_integer_type
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85 {
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86 public:
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87
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88 static const bool registered = false;
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89
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90 // Void shall result in a compile-time error if we attempt to use it
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91 // in computations.
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92
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93 typedef void type;
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94 };
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95
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96 #define OCTAVE_REGISTER_INT_TYPE(TYPE) \
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97 template <> \
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98 class query_integer_type<sizeof (TYPE), \
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99 std::numeric_limits<TYPE>::is_signed> \
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100 { \
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101 public: \
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102 \
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103 static const bool registered = true; \
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104 \
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105 typedef TYPE type; \
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106 }
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107
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108 // No two registered integers can share sizeof and signedness.
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109 OCTAVE_REGISTER_INT_TYPE (int8_t);
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110 OCTAVE_REGISTER_INT_TYPE (uint8_t);
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111 OCTAVE_REGISTER_INT_TYPE (int16_t);
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112 OCTAVE_REGISTER_INT_TYPE (uint16_t);
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113 OCTAVE_REGISTER_INT_TYPE (int32_t);
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114 OCTAVE_REGISTER_INT_TYPE (uint32_t);
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115 OCTAVE_REGISTER_INT_TYPE (int64_t);
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116 OCTAVE_REGISTER_INT_TYPE (uint64_t);
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117
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118 #undef OCTAVE_REGISTER_INT_TYPE
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119
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120 // Handles non-homogeneous integer comparisons. Avoids doing useless
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121 // tests.
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122
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123 class octave_int_cmp_op
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124 {
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125 // This determines a suitable promotion type for T1 when meeting T2
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126 // in a binary relation. If promotion to int or T2 is safe, it is
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127 // used. Otherwise, the signedness of T1 is preserved and it is
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128 // widened if T2 is wider. Notice that if this is applied to both
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129 // types, they must end up with equal size.
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130
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131 template <typename T1, typename T2>
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132 class prom
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133 {
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134 // Promote to int?
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135 static const bool pint = (sizeof (T1) < sizeof (int)
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136 && sizeof (T2) < sizeof (int));
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137
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138 static const bool t1sig = std::numeric_limits<T1>::is_signed;
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139 static const bool t2sig = std::numeric_limits<T2>::is_signed;
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140
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141 static const bool psig =
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142 (pint || (sizeof (T2) > sizeof (T1) && t2sig) || t1sig);
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143
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144 static const int psize =
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145 (pint ? sizeof (int) : (sizeof (T2) > sizeof (T1)
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146 ? sizeof (T2) : sizeof (T1)));
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147 public:
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148
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149 typedef typename query_integer_type<psize, psig>::type type;
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150 };
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151
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152 // Implements comparisons between two types of equal size but
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153 // possibly different signedness.
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154
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155 template <typename xop, int size>
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156 class uiop
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157 {
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158 typedef typename query_integer_type<size, false>::type utype;
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159 typedef typename query_integer_type<size, true>::type stype;
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160
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161 public:
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162
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163 static bool op (utype x, utype y)
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164 {
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165 return xop::op (x, y);
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166 }
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167
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168 static bool op (stype x, stype y)
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169 {
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170 return xop::op (x, y);
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171 }
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172
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173 static bool op (stype x, utype y)
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174 {
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175 return (x < 0) ? xop::ltval : xop::op (static_cast<utype> (x), y);
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176 }
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177
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178 static bool op (utype x, stype y)
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179 {
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180 return (y < 0) ? xop::gtval : xop::op (x, static_cast<utype> (y));
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181 }
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182 };
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183
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184 public:
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185
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186 // Rationale: Comparators have a single static method, rel(), that
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187 // returns the result of the binary relation. They also have two
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188 // static boolean fields: ltval, gtval determine the value of x OP y
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189 // if x < y, x > y, respectively.
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190
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191 #define OCTAVE_REGISTER_INT_CMP_OP(NM, OP) \
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192 class NM \
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193 { \
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194 public: \
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195 \
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196 static const bool ltval = (0 OP 1); \
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197 static const bool gtval = (1 OP 0); \
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198 \
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199 template <typename T> \
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200 static bool op (T x, T y) { return x OP y; } \
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201 }
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202
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203 OCTAVE_REGISTER_INT_CMP_OP (lt, <);
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204 OCTAVE_REGISTER_INT_CMP_OP (le, <=);
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205 OCTAVE_REGISTER_INT_CMP_OP (gt, >);
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206 OCTAVE_REGISTER_INT_CMP_OP (ge, >=);
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207 OCTAVE_REGISTER_INT_CMP_OP (eq, ==);
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208 OCTAVE_REGISTER_INT_CMP_OP (ne, !=);
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209
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210 #undef OCTAVE_REGISTER_INT_CMP_OP
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211
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212 // We also provide two special relations: ct, yielding always true,
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213 // and cf, yielding always false.
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214
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215 #define OCTAVE_REGISTER_INT_CONST_OP(NM, VALUE) \
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216 class NM \
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217 { \
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218 public: \
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219 \
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220 static const bool ltval = VALUE; \
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221 static const bool gtval = VALUE; \
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222 \
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223 template <typename T> \
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224 static bool op (T, T) { return VALUE; } \
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225 }
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226
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227 OCTAVE_REGISTER_INT_CONST_OP (ct, true);
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228 OCTAVE_REGISTER_INT_CONST_OP (cf, false);
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229
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230 #undef OCTAVE_REGISTER_INT_CONST_OP
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231
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232 // Universal comparison operation.
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233
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234 template <typename xop, typename T1, typename T2>
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235 static bool
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236 op (T1 x, T2 y)
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237 {
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238 typedef typename prom<T1, T2>::type PT1;
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239 typedef typename prom<T2, T1>::type PT2;
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240
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241 return uiop<xop, sizeof (PT1)>::op (static_cast<PT1> (x),
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242 static_cast<PT2> (y));
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243 }
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244
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245 public:
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246
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247 // Mixed comparisons.
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248
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249 template <typename xop, typename T>
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250 static bool mop (T x, double y)
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251 {
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252 return xop::op (static_cast<double> (x), y);
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253 }
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254
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255 template <typename xop, typename T>
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256 static bool mop (double x, T y)
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257 {
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258 return xop::op (x, static_cast<double> (y));
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259 }
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260
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261 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
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262
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263 # define OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_CMP_OPS(T) \
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264 template <typename xop> \
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265 static OCTAVE_API bool external_mop (double, T); \
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266 \
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267 template <typename xop> \
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268 static OCTAVE_API bool external_mop (T, double)
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269
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270 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_CMP_OPS (int64_t);
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271 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_CMP_OPS (uint64_t);
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272
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273 #endif
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274
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275 // Typecasting to doubles won't work properly for 64-bit integers --
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276 // they lose precision. If we have long doubles, use them...
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277
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278 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
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279
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280 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
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281
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282 # define OCTAVE_DEFINE_LONG_DOUBLE_INT_CMP_OP(T) \
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283 template <typename xop> \
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284 static bool mop (double x, T y) \
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285 { \
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286 return external_mop<xop> (x, y); \
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287 } \
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288 \
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289 template <typename xop> \
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290 static bool mop (T x, double y) \
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291 { \
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292 return external_mop<xop> (x, y); \
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293 }
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294
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295 # else
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296
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297 # define OCTAVE_DEFINE_LONG_DOUBLE_INT_CMP_OP(T) \
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298 template <typename xop> \
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299 static bool mop (double x, T y) \
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300 { \
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301 return xop::op (static_cast<long double> (x), \
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302 static_cast<long double> (y)); \
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303 } \
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304 \
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305 template <typename xop> \
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306 static bool mop (T x, double y) \
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307 { \
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308 return xop::op (static_cast<long double> (x), \
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309 static_cast<long double> (y)); \
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310 }
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311
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312 # endif
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313
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314 #else
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315
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316 // ... otherwise, use external handlers
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317
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318 // FIXME: We could declare directly the mop methods as external, but
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319 // we can't do this because bugs in gcc (<= 4.3) prevent explicit
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320 // instantiations later in that case.
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321
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322 # define OCTAVE_DEFINE_LONG_DOUBLE_INT_CMP_OP(T) \
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323 template <typename xop> \
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324 static OCTAVE_API bool emulate_mop (double, T); \
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325 \
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326 template <typename xop> \
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327 static bool mop (double x, T y) \
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328 { \
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329 return emulate_mop<xop> (x, y); \
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330 } \
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331 \
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332 template <typename xop> \
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333 static OCTAVE_API bool emulate_mop (T, double); \
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334 \
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335 template <typename xop> \
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336 static bool mop (T x, double y) \
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337 { \
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338 return emulate_mop<xop> (x, y); \
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339 }
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340
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341 #endif
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342
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343 OCTAVE_DEFINE_LONG_DOUBLE_INT_CMP_OP (int64_t)
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344 OCTAVE_DEFINE_LONG_DOUBLE_INT_CMP_OP (uint64_t)
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345
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346 #undef OCTAVE_DEFINE_LONG_DOUBLE_INT_CMP_OP
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347 };
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348
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349 // Base integer class. No data, just conversion methods and exception
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350 // flags.
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351
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352 template <typename T>
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353 class octave_int_base
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354 {
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355 public:
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356
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357 static T min_val (void) { return std::numeric_limits<T>::min (); }
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358 static T max_val (void) { return std::numeric_limits<T>::max (); }
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359
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360 // Convert integer value.
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361
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362 template <typename S>
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363 static T truncate_int (const S& value)
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364 {
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365 // An exhaustive test whether the max and/or min check can be
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366 // omitted.
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367
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368 static const bool t_is_signed = std::numeric_limits<T>::is_signed;
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369 static const bool s_is_signed = std::numeric_limits<S>::is_signed;
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370
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371 static const int t_size = sizeof (T);
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372 static const int s_size = sizeof (S);
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373
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374 static const bool omit_chk_min =
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375 (! s_is_signed || (t_is_signed && t_size >= s_size));
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376
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377 static const bool omit_chk_max =
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378 (t_size > s_size || (t_size == s_size
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379 && (! t_is_signed || s_is_signed)));
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380
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381 // If the check can be omitted, substitute constant false
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382 // relation.
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383
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384 typedef octave_int_cmp_op::cf cf;
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385 typedef octave_int_cmp_op::lt lt;
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386 typedef octave_int_cmp_op::gt gt;
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387 typedef typename if_then_else<omit_chk_min, cf, lt>::result chk_min;
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388 typedef typename if_then_else<omit_chk_max, cf, gt>::result chk_max;
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389
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390 // Efficiency of the following depends on inlining and dead code
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391 // elimination, but that should be a piece of cake for most
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392 // compilers.
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393
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394 if (chk_min::op (value, static_cast<S> (min_val ())))
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395 return min_val ();
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396 else if (chk_max::op (value, static_cast<S> (max_val ())))
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397 return max_val ();
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398 else
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399 return static_cast<T> (value);
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400 }
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401
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402 private:
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403
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404 // Compute a real-valued threshold for a max/min check.
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405
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406 template <typename S>
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407 static S compute_threshold (S val, T orig_val)
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408 {
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409 // Fool optimizations (maybe redundant).
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410
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411 val = octave::math::round (val);
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412
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413 // If val is even, but orig_val is odd, we're one unit off.
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414
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415 if (orig_val % 2 && val / 2 == octave::math::round (val / 2))
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416 // FIXME: is this always correct?
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3fa35defe495 Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
417 val *= (static_cast<S> (1) - (std::numeric_limits<S>::epsilon () / 2));
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
418
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
419 return val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
420 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
421
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
422 public:
21573
f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372)
John W. Eaton <jwe@octave.org>
parents: 21235
diff changeset
423
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
424 // Convert a real number (check NaN and non-int).
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
425
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
426 template <typename S>
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
427 static T convert_real (const S& value);
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
428 };
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
429
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
430 // Saturated (homogeneous) integer arithmetics. The signed and
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
431 // unsigned implementations are significantly different, so we
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
432 // implement another layer and completely specialize. Arithmetics
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
433 // inherits from octave_int_base so that it can use its exceptions and
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
434 // truncation functions.
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
435
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
436 template <typename T, bool is_signed>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
437 class octave_int_arith_base
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
438 { };
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
439
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
440 // Unsigned arithmetics. C++ standard requires it to be modular, so
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
441 // the overflows can be handled efficiently and reliably.
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
442
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
443 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
444 class octave_int_arith_base<T, false> : octave_int_base<T>
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
445 {
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
446 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
447
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
448 static T abs (T x) { return x; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
449
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
450 static T signum (T x) { return x ? static_cast<T> (1) : static_cast<T> (0); }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
451
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
452 // Shifts do not overflow.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
453
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
454 static T rshift (T x, int n) { return x >> n; }
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
455
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
456 static T lshift (T x, int n) { return x << n; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
457
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
458 static T minus (T) { return static_cast<T> (0); }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
459
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
460 // The overflow behavior for unsigned integers is guaranteed by
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
461 // C and C++, so the following should always work.
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
462
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
463 static T add (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
464 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
465 T u = x + y;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
466
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
467 if (u < x)
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
468 u = octave_int_base<T>::max_val ();
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
469
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
470 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
471 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
472
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
473 static T sub (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
474 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
475 T u = x - y;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
476
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
477 if (u > x)
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
478 u = 0;
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
479
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
480 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
481 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
482
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
483 // Multiplication is done using promotion to wider integer type. If
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
484 // there is no suitable promotion type, this operation *MUST* be
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
485 // specialized.
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
486
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
487 static T mul (T x, T y) { return mul_internal (x, y); }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
488
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
489 static T mul_internal (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
490 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
491 // Promotion type for multiplication (if exists).
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
492
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
493 typedef typename query_integer_type<2*sizeof (T), false>::type mptype;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
494
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
495 return octave_int_base<T>::truncate_int (static_cast<mptype> (x)
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
496 * static_cast<mptype> (y));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
497 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
498
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
499 // Division with rounding to nearest. Note that / and % are
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
500 // probably computed by a single instruction.
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
501
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
502 static T div (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
503 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
504 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
505 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
506 T z = x / y;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
507 T w = x % y;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
508
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
509 if (w >= y-w)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
510 z += 1;
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
511
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
512 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
513 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
514 else
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
515 return x ? octave_int_base<T>::max_val () : 0;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
516 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
517
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
518 // Remainder.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
519
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
520 static T rem (T x, T y) { return y != 0 ? x % y : 0; }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
521
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
522 // Modulus. Note the weird y = 0 case for Matlab compatibility.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
523
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
524 static T mod (T x, T y) { return y != 0 ? x % y : x; }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
525 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
526
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
527 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
528
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
529 // Handle 64-bit multiply using long double.
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
530
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
531 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
532
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
533 extern OCTAVE_API uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
534 octave_external_uint64_uint64_mul (uint64_t, uint64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
535
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
536 # endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
537
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
538 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
539 inline uint64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
540 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t x, uint64_t y)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
541 {
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
542 uint64_t retval;
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
543
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
544 long double p = static_cast<long double> (x) * static_cast<long double> (y);
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
545
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
546 if (p > static_cast<long double> (octave_int_base<uint64_t>::max_val ()))
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
547 retval = octave_int_base<uint64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
548 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
549 retval = static_cast<uint64_t> (p);
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
550
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
551 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
552 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
553
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
554 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
555 inline uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
556 octave_int_arith_base<uint64_t, false>::mul (uint64_t x, uint64_t y)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
557 {
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
558 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
559 return octave_external_uint64_uint64_mul (x, y);
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
560 # else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
561 return mul_internal (x, y);
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
562 # endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
563 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
564
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
565 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
566
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
567 // Special handler for 64-bit integer multiply.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
568
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
569 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
570 OCTAVE_API uint64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
571 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t, uint64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
572
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
573 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
574
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
575 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
576 class octave_int_arith_base<T, true> : octave_int_base<T>
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
577 {
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
578 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
579 typedef typename query_integer_type<sizeof (T), false>::type UT;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
580
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
581 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
582
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
583 // Returns 1 for negative number, 0 otherwise.
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
584
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
585 static T __signbit (T x) { return (x < 0) ? 1 : 0; }
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
586
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
587 static T abs (T x)
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
588 {
25843
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
589 // -INT_MAX is safe because C++ actually allows only three
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
590 // implementations of integers: sign & magnitude, ones complement
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
591 // and twos complement. The first test will, with modest
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
592 // optimizations, evaluate at compile time, and maybe eliminate
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
593 // the branch completely.
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
594
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
595 return ((octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
596 && x == octave_int_base<T>::min_val ())
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
597 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
598 : ((x < 0) ? -x : x));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
599 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
600
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
601 static T signum (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
602 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
603 // With modest optimizations, this will compile without a jump.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
604
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
605 return ((x > 0) ? 1 : 0) - __signbit (x);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
606 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
607
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
608 // FIXME: we do not have an authority what signed shifts should
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
609 // exactly do, so we define them the easy way. Note that Matlab
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
610 // does not define signed shifts.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
611
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
612 static T rshift (T x, int n) { return x >> n; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
613
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
614 static T lshift (T x, int n) { return x << n; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
615
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
616 // Minus has problems similar to abs.
25843
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
617
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
618 static T minus (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
619 {
25843
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
620 return ((octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
621 && x == octave_int_base<T>::min_val ())
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
622 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
623 : -x);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
624 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
625
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
626 static T add (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
627 {
25843
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
628 // Avoid anything that may overflow.
25838
26c41d8bf170 fix min-val saturation for 64-bit integer addition (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
629
25843
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
630 return (y < 0
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
631 ? (x < octave_int_base<T>::min_val () - y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
632 ? octave_int_base<T>::min_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
633 : x + y)
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
634 : (x > octave_int_base<T>::max_val () - y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
635 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
636 : x + y));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
637 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
638
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
639 static T sub (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
640 {
25843
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
641 // Avoid anything that may overflow.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
642
25843
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
643 return (y < 0
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
644 ? (x > octave_int_base<T>::max_val () + y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
645 ? octave_int_base<T>::max_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
646 : x - y)
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
647 : (x < octave_int_base<T>::min_val () + y
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
648 ? octave_int_base<T>::min_val ()
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25838
diff changeset
649 : x - y));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
650 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
651
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
652 // Multiplication is done using promotion to wider integer type. If
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
653 // there is no suitable promotion type, this operation *MUST* be
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
654 // specialized.
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
655
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
656 static T mul (T x, T y) { return mul_internal (x, y); }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
657
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
658 static T mul_internal (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
659 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
660 // Promotion type for multiplication (if exists).
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
661
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
662 typedef typename query_integer_type<2*sizeof (T), true>::type mptype;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
663
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
664 return octave_int_base<T>::truncate_int (static_cast<mptype> (x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
665 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
666 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
667
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
668 // Division.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
669
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
670 static T div (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
671 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
672 T z;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
673
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
674 if (y == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
675 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
676 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
677 z = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
678 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
679 z = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
680 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
681 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
682 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
683 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
684 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
685 // This is a special case that overflows as well.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
686 if (y == -1 && x == octave_int_base<T>::min_val ())
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
687 z = octave_int_base<T>::max_val ();
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
688 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
689 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
690 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
691 // Can't overflow, but std::abs (x) can!
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
692 T w = -octave_int_abs (x % y);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
693 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
694 z -= 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
695 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
696 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
697 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
698 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
699 z = x / y;
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
700
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
701 // FIXME: this is a workaround due to MSVC's absence of
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
702 // std::abs (int64_t). The call to octave_int_abs can't
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
703 // overflow, but std::abs (x) can!
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
704 T w = octave_int_abs (x % y);
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
705
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
706 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
707 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
708 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
709 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
710 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
711
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
712 // Remainder.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
713
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
714 static T rem (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
715 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
716 return y != 0 ? x % y : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
717 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
718
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
719 // Modulus. Note the weird y = 0 case for Matlab compatibility.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
720
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
721 static T mod (T x, T y)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
722 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
723 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
724 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
725 T r = x % y;
25858
1f52a96c8c21 Fix mod operation for signed integer types (bug #54602).
Gene Harvey <gharveymn@gmail.com>
parents: 25843
diff changeset
726 return (r == 0) ? 0 : (((r < 0) != (y < 0)) ? r + y : r);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
727 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
728 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
729 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
730 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
731 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
732
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
733 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
734
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
735 // Handle 64-bit multiply using long double
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
736
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
737 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
738
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
739 extern OCTAVE_API int64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
740 octave_external_int64_int64_mul (int64_t, int64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
741
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
742 # endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
743
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
744 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
745 inline int64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
746 octave_int_arith_base<int64_t, true>::mul_internal (int64_t x, int64_t y)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
747 {
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
748 int64_t retval;
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
749
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
750 long double p = static_cast<long double> (x) * static_cast<long double> (y);
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
751
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
752 if (p > static_cast<long double> (octave_int_base<int64_t>::max_val ()))
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
753 retval = octave_int_base<int64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
754 else if (p < static_cast<long double> (octave_int_base<int64_t>::min_val ()))
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
755 retval = octave_int_base<int64_t>::min_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
756 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
757 retval = static_cast<int64_t> (p);
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
758
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
759 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
760 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
761
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
762 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
763 inline int64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
764 octave_int_arith_base<int64_t, true>::mul (int64_t x, int64_t y)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
765 {
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
766 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
767 return octave_external_int64_int64_mul (x, y);
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
768 # else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
769 return mul_internal (x, y);
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
770 # endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
771 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
772
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
773 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
774
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
775 // Special handler for 64-bit integer multiply.
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
776
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
777 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
778 OCTAVE_API int64_t
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
779 octave_int_arith_base<int64_t, true>::mul_internal (int64_t, int64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
780
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
781 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
782
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
783 // This class simply selects the proper arithmetics.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
784 template <typename T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
785 class octave_int_arith
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22323
diff changeset
786 : public octave_int_arith_base<T, std::numeric_limits<T>::is_signed>
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
787 { };
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
788
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
789 template <typename T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
790 class
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
791 octave_int : public octave_int_base<T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
792 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
793 public:
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
794
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
795 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
796
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
797 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
798
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
799 octave_int (T i) : ival (i) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
800
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21308
diff changeset
801 #if defined (OCTAVE_HAVE_OVERLOAD_CHAR_INT8_TYPES)
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
802
18627
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
803 // Always treat characters as unsigned.
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
804 octave_int (char c)
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
805 : ival (octave_int_base<T>::truncate_int (static_cast<unsigned char> (c)))
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
806 { }
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
807
21235
b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411)
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
808 #endif
18627
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
809
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
810 octave_int (double d)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
811 : ival (octave_int_base<T>::convert_real (d)) { }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
812
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
813 octave_int (float d)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
814 : ival (octave_int_base<T>::convert_real (d)) { }
6402
fe9817a6ee98 [project @ 2007-03-13 02:25:31 by jwe]
jwe
parents: 6108
diff changeset
815
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
816 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
817
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
818 octave_int (long double d)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
819 : ival (octave_int_base<T>::convert_real (d)) { }
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
820
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
821 #endif
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
822
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
823 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
824
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
825 template <typename U>
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
826 octave_int (const U& i)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
827 : ival(octave_int_base<T>::truncate_int (i)) { }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
828
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
829 template <typename U>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
830 octave_int (const octave_int<U>& i)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
831 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
832
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
833 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
834
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
835 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
836 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
837 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
838 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
839 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
840
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
841 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
842
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
843 const unsigned char * iptr (void) const
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
844 {
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
845 return reinterpret_cast<const unsigned char *> (& ival);
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
846 }
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
847
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
848 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
849
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
850 bool bool_value (void) const { return static_cast<bool> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
851
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
852 char char_value (void) const { return static_cast<char> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
853
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
854 double double_value (void) const { return static_cast<double> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
855
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
856 float float_value (void) const { return static_cast<float> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
857
7177
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
858 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
859
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
860 octave_int<T> operator + () const { return *this; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
861
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
862 // unary operators & mappers
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
863 #define OCTAVE_INT_UN_OP(OPNAME, NAME) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
864 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
865 OPNAME () const \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
866 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
867 return octave_int_arith<T>::NAME (ival); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
868 }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
869
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
870 OCTAVE_INT_UN_OP (operator -, minus)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
871 OCTAVE_INT_UN_OP (abs, abs)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
872 OCTAVE_INT_UN_OP (signum, signum)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
873
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
874 #undef OCTAVE_INT_UN_OP
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
875
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
876 // Homogeneous binary integer operations.
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
877 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
878 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
879 operator OP (const ARGT& y) const \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
880 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
881 return octave_int_arith<T>::NAME (ival, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
882 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
883 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
884 inline octave_int<T>& \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
885 operator OP##= (const ARGT& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
886 { \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
887 ival = octave_int_arith<T>::NAME (ival, y); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
888 return *this; \
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
889 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
890
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
891 OCTAVE_INT_BIN_OP (+, add, octave_int<T>)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
892 OCTAVE_INT_BIN_OP (-, sub, octave_int<T>)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
893 OCTAVE_INT_BIN_OP (*, mul, octave_int<T>)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
894 OCTAVE_INT_BIN_OP (/, div, octave_int<T>)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
895 OCTAVE_INT_BIN_OP (%, rem, octave_int<T>)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
896 OCTAVE_INT_BIN_OP (<<, lshift, int)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
897 OCTAVE_INT_BIN_OP (>>, rshift, int)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
898
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
899 #undef OCTAVE_INT_BIN_OP
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7198
diff changeset
900
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
901 static octave_int<T> min (void) { return std::numeric_limits<T>::min (); }
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
902 static octave_int<T> max (void) { return std::numeric_limits<T>::max (); }
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
903
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
904 static int nbits (void) { return std::numeric_limits<T>::digits; }
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
905
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14168
diff changeset
906 static int byte_size (void) { return sizeof (T); }
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
907
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
908 static const char * type_name ();
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
909
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
910 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
911 static const octave_int zero, one;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
912
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
913 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
914 // You should not use it anywhere else.
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
915 void * mex_get_data (void) const { return const_cast<T *> (&ival); }
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
916
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
917 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
918
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
919 T ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
920 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
921
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
922 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
923 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
924 rem (const octave_int<T>& x, const octave_int<T>& y)
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
925 {
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
926 return octave_int_arith<T>::rem (x.value (), y.value ());
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
927 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
928
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
929 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
930 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
931 mod (const octave_int<T>& x, const octave_int<T>& y)
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
932 {
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
933 return octave_int_arith<T>::mod (x.value (), y.value ());
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
934 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
935
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
936 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
937
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
938 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
939 {
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
940 namespace math
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
941 {
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
942 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
943 bool
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
944 isnan (const octave_int<T>&)
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
945 {
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
946 return false;
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
947 }
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
948 }
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
949 }
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
950
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
951 // FIXME: can/should any of these be inline?
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
952
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
953 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
954 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
955 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
956
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
957 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
958 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
959 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
960
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
961 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
962 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
963 pow (const octave_int<T>& a, const double& b);
7922
935be827eaf8 error for NaN values in & and | expressions
John W. Eaton <jwe@octave.org>
parents: 7789
diff changeset
964
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
965 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
966 extern OCTAVE_API octave_int<T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
967 pow (const float& a, const octave_int<T>& b);
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
968
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
969 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
970 extern OCTAVE_API octave_int<T>
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
971 pow (const octave_int<T>& a, const float& b);
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
972
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
973 // FIXME: Do we really need a differently named single-precision
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
974 // function integer power function here instead of an overloaded
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
975 // one?
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
976
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
977 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
978 extern OCTAVE_API octave_int<T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
979 powf (const float& a, const octave_int<T>& b);
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
980
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
981 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
982 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
983 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
984
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
985 // Binary relations
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
diff changeset
986
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
987 #define OCTAVE_INT_CMP_OP(OP, NAME) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
988 template <typename T1, typename T2> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
989 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
990 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
991 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
992 return octave_int_cmp_op::op<octave_int_cmp_op::NAME, T1, T2> (x.value (), y.value ()); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
993 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
994
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
995 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
996 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
997 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
998 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
999 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1000 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1001
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1002 #undef OCTAVE_INT_CMP_OP
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
diff changeset
1003
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1004 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1005 inline std::ostream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1006 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1007 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1008 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1009 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1010 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1011
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1012 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1013 inline std::istream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1014 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1015 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1016 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1017 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1018 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1019 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1020 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1021
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1022 // We need to specialise for char and unsigned char because
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1023 // std::operator<< and std::operator>> are overloaded to input and
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1024 // output the ASCII character values instead of a representation of
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
1025 // their numerical value (e.g., os << char(10) outputs a space instead
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1026 // of outputting the characters '1' and '0')
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1027
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1028 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1029 inline std::ostream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1030 operator << (std::ostream& os, const octave_int<int8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1031 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1032 os << static_cast<int> (ival.value ());
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1033
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1034 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1035 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1036
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1037 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1038 inline std::ostream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1039 operator << (std::ostream& os, const octave_int<uint8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1040 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1041 os << static_cast<unsigned int> (ival.value ());
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1042
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1043 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1044 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1045
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1046 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1047 inline std::istream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1048 operator >> (std::istream& is, octave_int<int8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1049 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1050 int tmp = 0;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1051 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1052 ival = static_cast<int8_t> (tmp);
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1053
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1054 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1055 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1056
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1057 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1058 inline std::istream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1059 operator >> (std::istream& is, octave_int<uint8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1060 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1061 unsigned int tmp = 0;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1062 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1063 ival = static_cast<uint8_t> (tmp);
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1064
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1065 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1066 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1067
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1068 // Bitwise operations
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7598
diff changeset
1069
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1070 #define OCTAVE_INT_BITCMP_OP(OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1071 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1072 octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1073 operator OP (const octave_int<T>& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1074 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1075 return x.value () OP y.value (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1076 }
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1077
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1078 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1079 OCTAVE_INT_BITCMP_OP (|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1080 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1081
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1082 #undef OCTAVE_INT_BITCMP_OP
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1083
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1084 // General bit shift.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1085 template <typename T>
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1086 octave_int<T>
4920
b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe]
jwe
parents: 4919
diff changeset
1087 bitshift (const octave_int<T>& a, int n,
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1088 const octave_int<T>& mask = std::numeric_limits<T>::max ())
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1089 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1090 if (n > 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1091 return (a << n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1092 else if (n < 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1093 return (a >> -n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1094 else
8963
d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1095 return a & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1096 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1097
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1098 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1099
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1100 # define OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OP(T, OP) \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1101 extern OCTAVE_API T \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1102 external_double_ ## T ## _ ## OP (double x, T y); \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1103 \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1104 extern OCTAVE_API T \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1105 external_ ## T ## _double_ ## OP (T x, double y)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1106
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1107 # define OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OPS(T) \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1108 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OP (T, add); \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1109 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OP (T, sub); \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1110 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OP (T, mul); \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1111 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OP (T, div)
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1112
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1113 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OPS (octave_int64);
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1114 OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OPS (octave_uint64);
18005
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1115
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1116 #endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1117
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1118 #define OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1119 template <typename T> \
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1120 inline octave_int<T> \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1121 operator OP (const octave_int<T>& x, const double& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1122 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1123 return octave_int<T> (static_cast<double> (x) OP y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1124 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1125 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1126 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1127 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1128 operator OP (const double& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1129 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1130 return octave_int<T> (x OP static_cast<double> (y)); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1131 }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1132
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1133 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1134
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1135 // Handle mixed op using long double.
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1136
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1137 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1138
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1139 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1140 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1141 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1142 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1143 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1144 operator OP (const double& x, const octave_int64& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1145 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1146 return external_double_octave_int64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1147 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1148 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1149 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1150 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1151 operator OP (const double& x, const octave_uint64& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1152 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1153 return external_double_octave_uint64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1154 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1155 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1156 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1157 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1158 operator OP (const octave_int64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1159 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1160 return external_octave_int64_double_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1161 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1162 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1163 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1164 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1165 operator OP (const octave_uint64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1166 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1167 return external_octave_uint64_double_ ## NAME (x, y); \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1168 }
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1169
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1170 # else
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1171
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1172 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1173 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1174 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1175 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1176 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1177 operator OP (const double& x, const octave_int64& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1178 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1179 return octave_int64 (x OP static_cast<long double> (y.value ())); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1180 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1181 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1182 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1183 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1184 operator OP (const double& x, const octave_uint64& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1185 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1186 return octave_uint64 (x OP static_cast<long double> (y.value ())); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1187 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1188 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1189 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1190 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1191 operator OP (const octave_int64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1192 { \
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1193 return octave_int64 (static_cast<long double> (x.value ()) OP y); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1194 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1195 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1196 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1197 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1198 operator OP (const octave_uint64& x, const double& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1199 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1200 return octave_uint64 (static_cast<long double> (x.value ()) OP y); \
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1201 }
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1202
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1203 # endif
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1204
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1205 #else
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1206
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1207 // External handlers.
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1208
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1209 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1210 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1211 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1212 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1213 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1214 operator OP (const double&, const octave_int64&); \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1215 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1216 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1217 OCTAVE_API octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1218 operator OP (const double&, const octave_uint64&); \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1219 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1220 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1221 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1222 operator OP (const octave_int64&, const double&); \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1223 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1224 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1225 OCTAVE_API octave_uint64 \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1226 operator OP (const octave_uint64&, const double&);
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1227
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1228 #endif
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1229
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1230 OCTAVE_INT_DOUBLE_BIN_OP (+, add)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1231 OCTAVE_INT_DOUBLE_BIN_OP (-, sub)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1232 OCTAVE_INT_DOUBLE_BIN_OP (*, mul)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1233 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1234
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1235 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1236 #undef OCTAVE_INT_DOUBLE_BIN_OP
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1237 #undef OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OP
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1238 #undef OCTAVE_DECLARE_EXTERNAL_LONG_DOUBLE_INT_OPS
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1239
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1240 #define OCTAVE_INT_DOUBLE_CMP_OP(OP, NAME) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1241 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1242 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1243 operator OP (const octave_int<T>& x, const double& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1244 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1245 return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x.value (), y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1246 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1247 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1248 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1249 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1250 operator OP (const double& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1251 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1252 return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x, y.value ()); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1253 }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1254
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1255 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1256 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1257 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1258 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1259 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1260 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1261
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1262 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1263
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1264 // Floats are handled by simply converting to doubles.
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1265
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1266 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1267 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1268 inline octave_int<T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1269 operator OP (const octave_int<T>& x, float y) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1270 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1271 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1272 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1273 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1274 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1275 inline octave_int<T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1276 operator OP (float x, const octave_int<T>& y) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1277 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1278 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1279 }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1280
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1281 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1282 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1283 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1284 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1285
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1286 #undef OCTAVE_INT_FLOAT_BIN_OP
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1287
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1288 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1289 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1290 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1291 operator OP (const octave_int<T>& x, const float& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1292 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1293 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1294 } \
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1295 \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1296 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1297 bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1298 operator OP (const float& x, const octave_int<T>& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1299 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1300 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1301 }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1302
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1303 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1304 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1305 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1306 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1307 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1308 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1309
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1310 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1311
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1312 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1313 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1314 xmax (const octave_int<T>& x, const octave_int<T>& y)
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1315 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1316 const T xv = x.value ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1317 const T yv = y.value ();
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1318
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1319 return octave_int<T> (xv >= yv ? xv : yv);
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1320 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1321
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1322 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1323 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1324 xmin (const octave_int<T>& x, const octave_int<T>& y)
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1325 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1326 const T xv = x.value ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1327 const T yv = y.value ();
25847
c756e9a1e776 style fixes for oct-inttypes.h
John W. Eaton <jwe@octave.org>
parents: 25844
diff changeset
1328
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1329 return octave_int<T> (xv <= yv ? xv : yv);
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1330 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1331
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1332 #endif