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annotate liboctave/util/oct-inttypes.h @ 25847:dd10eea0be97

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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Thu, 30 Aug 2018 10:45:51 -0400
parents 31af3806a230 144820478378
children c756e9a1e776
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1 /*
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2
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3 Copyright (C) 2004-2018 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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12
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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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17
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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) { return std::roundl (x); }
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57
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58 inline long double isnan (long double x) { return isnan (static_cast<double> (x)); }
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59 }
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60 }
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61
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62 #endif
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63
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64 // FIXME: we define this by our own because some compilers, such as
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65 // MSVC, do not provide std::abs (int64_t) and std::abs (uint64_t). In
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66 // the future, it should go away in favor of std::abs.
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67 template <typename T>
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68 inline T octave_int_abs (T x) { return (x >= 0 ? x : -x); }
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69
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70 // Query for an integer type of certain sizeof, and signedness.
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71 template <int qsize, bool qsigned>
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72 struct query_integer_type
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73 {
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74 public:
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75 static const bool registered = false;
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76 typedef void type; // Void shall result in a compile-time error if we
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77 // attempt to use it in computations.
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78 };
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79
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80 #define REGISTER_INT_TYPE(TYPE) \
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81 template <> \
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82 class query_integer_type<sizeof (TYPE), std::numeric_limits<TYPE>::is_signed> \
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83 { \
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84 public: \
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85 static const bool registered = true; \
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86 typedef TYPE type; \
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87 }
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88
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89 // No two registered integers can share sizeof and signedness.
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90 REGISTER_INT_TYPE (int8_t);
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91 REGISTER_INT_TYPE (uint8_t);
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92 REGISTER_INT_TYPE (int16_t);
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93 REGISTER_INT_TYPE (uint16_t);
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94 REGISTER_INT_TYPE (int32_t);
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95 REGISTER_INT_TYPE (uint32_t);
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96 REGISTER_INT_TYPE (int64_t);
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97 REGISTER_INT_TYPE (uint64_t);
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98
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99 // Rationale: Comparators have a single static method, rel(), that returns the
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100 // result of the binary relation. They also have two static boolean fields:
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101 // ltval, gtval determine the value of x OP y if x < y, x > y, respectively.
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102 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \
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103 class NM \
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104 { \
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105 public: \
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106 static const bool ltval = (0 OP 1); \
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107 static const bool gtval = (1 OP 0); \
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108 template <typename T> \
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109 static bool op (T x, T y) { return x OP y; } \
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110 }
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111
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112 // We also provide two special relations: ct, yielding always true, and cf,
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113 // yielding always false.
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114 #define REGISTER_OCTAVE_CONST_OP(NM,value) \
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115 class NM \
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116 { \
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117 public: \
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118 static const bool ltval = value; \
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119 static const bool gtval = value; \
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120 template <typename T> \
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121 static bool op (T, T) { return value; } \
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122 }
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123
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124 // Handles non-homogeneous integer comparisons. Avoids doing useless tests.
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125 class octave_int_cmp_op
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126 {
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127 // This determines a suitable promotion type for T1 when meeting T2 in a
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128 // binary relation. If promotion to int or T2 is safe, it is used.
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129 // Otherwise, the signedness of T1 is preserved and it is widened if T2 is
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130 // wider.
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131 // Notice that if this is applied to both types, they must end up with equal
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132 // size.
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133 template <typename T1, typename T2>
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134 class prom
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135 {
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136 // Promote to int?
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137 static const bool pint = (sizeof (T1) < sizeof (int)
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138 && sizeof (T2) < sizeof (int));
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139 static const bool t1sig = std::numeric_limits<T1>::is_signed;
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140 static const bool t2sig = std::numeric_limits<T2>::is_signed;
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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 static const int psize =
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144 (pint ? sizeof (int) : (sizeof (T2) > sizeof (T1)
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145 ? sizeof (T2) : sizeof (T1)));
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146 public:
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147 typedef typename query_integer_type<psize, psig>::type type;
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148 };
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149
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150 // Implements comparisons between two types of equal size but
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151 // possibly different signedness.
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152 template <typename xop, int size>
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153 class uiop
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154 {
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155 typedef typename query_integer_type<size, false>::type utype;
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156 typedef typename query_integer_type<size, true>::type stype;
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157 public:
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158 static bool op (utype x, utype y)
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159 { return xop::op (x, y); }
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160 static bool op (stype x, stype y)
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161 { return xop::op (x, y); }
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162 static bool op (stype x, utype y)
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163 { return (x < 0) ? xop::ltval : xop::op (static_cast<utype> (x), y); }
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164 static bool op (utype x, stype y)
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165 { return (y < 0) ? xop::gtval : xop::op (x, static_cast<utype> (y)); }
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166 };
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167
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168 public:
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169 REGISTER_OCTAVE_CMP_OP (lt, <);
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170 REGISTER_OCTAVE_CMP_OP (le, <=);
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171 REGISTER_OCTAVE_CMP_OP (gt, >);
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172 REGISTER_OCTAVE_CMP_OP (ge, >=);
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173 REGISTER_OCTAVE_CMP_OP (eq, ==);
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174 REGISTER_OCTAVE_CMP_OP (ne, !=);
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175 REGISTER_OCTAVE_CONST_OP (ct, true);
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176 REGISTER_OCTAVE_CONST_OP (cf, false);
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177
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178 // Universal comparison operation.
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179 template <typename xop, typename T1, typename T2>
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180 static bool
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181 op (T1 x, T2 y)
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182 {
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183 typedef typename prom<T1, T2>::type PT1;
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184 typedef typename prom<T2, T1>::type PT2;
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185 return uiop<xop, sizeof (PT1)>::op (static_cast<PT1> (x),
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186 static_cast<PT2> (y));
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187 }
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188
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189 public:
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190
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191 // Mixed comparisons
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192 template <typename xop, typename T>
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193 static bool
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194 mop (T x, double y)
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195 { return xop::op (static_cast<double> (x), y); }
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196
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197 template <typename xop, typename T>
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198 static bool
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199 mop (double x, T y)
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200 { return xop::op (x, static_cast<double> (y)); }
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201
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202 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
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203 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
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204 template <typename xop> static OCTAVE_API bool \
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205 external_mop (double, T); \
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206 template <typename xop> static OCTAVE_API bool \
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207 external_mop (T, double)
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208
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209 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t);
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210 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (uint64_t);
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211 #endif
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212
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213 // Typecasting to doubles won't work properly for 64-bit integers --
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214 // they lose precision.
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215 // If we have long doubles, use them...
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216 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
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217 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
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218 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
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219 template <typename xop> \
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220 static bool \
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221 mop (double x, T y) \
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222 { \
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223 return external_mop<xop> (x, y); \
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224 } \
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225 template <typename xop> \
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226 static bool \
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227 mop (T x, double y) \
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228 { \
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229 return external_mop<xop> (x, y); \
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230 }
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231 # else
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232 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
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233 template <typename xop> \
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234 static bool \
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235 mop (double x, T y) \
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236 { \
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237 return xop::op (static_cast<long double> (x), \
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238 static_cast<long double> (y)); \
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239 } \
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240 template <typename xop> \
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241 static bool \
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242 mop (T x, double y) \
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243 { \
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244 return xop::op (static_cast<long double> (x), \
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245 static_cast<long double> (y)); \
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246 }
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247 # endif
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248 #else
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249 // ... otherwise, use external handlers
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250
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251 // FIXME: We could declare directly the mop methods as external,
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252 // but we can't do this because bugs in gcc (<= 4.3) prevent
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253 // explicit instantiations later in that case.
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254 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
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255 template <typename xop> static OCTAVE_API bool \
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256 emulate_mop (double, T); \
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257 template <typename xop> \
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258 static bool \
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259 mop (double x, T y) \
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260 { \
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261 return emulate_mop<xop> (x, y); \
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262 } \
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263 template <typename xop> static OCTAVE_API bool \
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264 emulate_mop (T, double); \
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265 template <typename xop> \
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266 static bool \
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267 mop (T x, double y) \
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268 { \
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269 return emulate_mop<xop> (x, y); \
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270 }
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271 #endif
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272
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273 DEFINE_LONG_DOUBLE_CMP_OP(int64_t)
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274 DEFINE_LONG_DOUBLE_CMP_OP(uint64_t)
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275
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276 #undef DEFINE_LONG_DOUBLE_CMP_OP
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277 };
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278
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279 // Base integer class. No data, just conversion methods and exception flags.
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280 template <typename T>
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281 class octave_int_base
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282 {
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283 public:
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284
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285 static T min_val () { return std::numeric_limits<T>::min (); }
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286 static T max_val () { return std::numeric_limits<T>::max (); }
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287
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288 // Convert integer value.
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289 template <typename S>
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290 static T
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291 truncate_int (const S& value)
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292 {
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293 // An exhaustive test whether the max and/or min check can be omitted.
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294 static const bool t_is_signed = std::numeric_limits<T>::is_signed;
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295 static const bool s_is_signed = std::numeric_limits<S>::is_signed;
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296 static const int t_size = sizeof (T);
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297 static const int s_size = sizeof (S);
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298
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299 static const bool omit_chk_min =
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300 (! s_is_signed || (t_is_signed && t_size >= s_size));
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301 static const bool omit_chk_max =
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302 (t_size > s_size || (t_size == s_size
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303 && (! t_is_signed || s_is_signed)));
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304 // If the check can be omitted, substitute constant false relation.
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305 typedef octave_int_cmp_op::cf cf;
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306 typedef octave_int_cmp_op::lt lt;
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307 typedef octave_int_cmp_op::gt gt;
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308 typedef typename if_then_else<omit_chk_min, cf, lt>::result chk_min;
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309 typedef typename if_then_else<omit_chk_max, cf, gt>::result chk_max;
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310
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311 // Efficiency of the following depends on inlining and dead code
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312 // elimination, but that should be a piece of cake for most compilers.
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313 if (chk_min::op (value, static_cast<S> (min_val ())))
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314 {
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315 return min_val ();
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316 }
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317 else if (chk_max::op (value, static_cast<S> (max_val ())))
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318 {
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319 return max_val ();
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320 }
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321 else
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322 return static_cast<T> (value);
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323 }
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324
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325 private:
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326
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327 // Computes a real-valued threshold for a max/min check.
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328 template <typename S>
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329 static S
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330 compute_threshold (S val, T orig_val)
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331 {
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332 val = octave::math::round (val); // Fool optimizations (maybe redundant)
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333 // If val is even, but orig_val is odd, we're one unit off.
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334 if (orig_val % 2 && val / 2 == octave::math::round (val / 2))
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335 // FIXME: is this always correct?
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336 val *= (static_cast<S> (1) - (std::numeric_limits<S>::epsilon () / 2));
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337 return val;
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338 }
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339
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340 public:
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341
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342 // Convert a real number (check NaN and non-int).
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343 template <typename S>
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344 static T
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345 convert_real (const S& value);
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346 };
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347
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348 // Saturated (homogeneous) integer arithmetics. The signed and unsigned
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349 // implementations are significantly different, so we implement another layer
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350 // and completely specialize. Arithmetics inherits from octave_int_base so
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351 // that it can use its exceptions and truncation functions.
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352
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353 template <typename T, bool is_signed>
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354 class octave_int_arith_base
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355 { };
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356
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357 // Unsigned arithmetics. C++ standard requires it to be modular, so the
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358 // overflows can be handled efficiently and reliably.
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359 template <typename T>
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360 class octave_int_arith_base<T, false> : octave_int_base<T>
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361 {
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362 public:
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363
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364 static T
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365 abs (T x) { return x; }
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366
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367 static T
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368 signum (T x) { return x ? static_cast<T> (1) : static_cast<T> (0); }
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369
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370 // Shifts do not overflow.
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371 static T
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372 rshift (T x, int n) { return x >> n; }
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373
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374 static T
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375 lshift (T x, int n) { return x << n; }
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376
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377 static T
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378 minus (T)
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379 {
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380 return static_cast<T> (0);
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381 }
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382
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383 // the overflow behavior for unsigned integers is guaranteed by C/C++,
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384 // so the following should always work.
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385 static T
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386 add (T x, T y)
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387 {
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388 T u = x + y;
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389 if (u < x)
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390 {
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391 u = octave_int_base<T>::max_val ();
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392 }
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393 return u;
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394 }
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395
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396 static T
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397 sub (T x, T y)
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398 {
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399 T u = x - y;
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400 if (u > x)
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401 {
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402 u = 0;
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403 }
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404 return u;
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405 }
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406
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407 // Multiplication is done using promotion to wider integer type. If there is
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408 // no suitable promotion type, this operation *MUST* be specialized.
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409 static T mul (T x, T y) { return mul_internal (x, y); }
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410
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411 static T
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412 mul_internal (T x, T y)
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413 {
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Rik <rik@octave.org>
parents: 17744
diff changeset
414 // Promotion type for multiplication (if exists).
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
415 typedef typename query_integer_type<2*sizeof (T), false>::type mptype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
416 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
417 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
418 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
419
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
420 // Division with rounding to nearest. Note that / and % are probably
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
421 // computed by a single instruction.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
422 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
423 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
424 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
425 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
426 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
427 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
428 T w = x % y;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
429 if (w >= y-w) z += 1;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
430 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
431 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
432 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
433 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
434 return x ? octave_int_base<T>::max_val () : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
435 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
436 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
437
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
438 // Remainder.
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
439 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
440 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
441 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
442 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
443 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
444
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
445 // Modulus. Note the weird y = 0 case for Matlab compatibility.
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
446 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
447 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
448 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
449 return y != 0 ? x % y : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
450 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
451 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
452
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
453 #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
454
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
455 // 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
456
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
457 #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
458
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
459 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
460 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
461
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
462 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
463
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
464 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
465 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
466 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
467 {
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
468 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
469
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
470 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
471
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
472 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
473 retval = octave_int_base<uint64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
474 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
475 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
476
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
477 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
478 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
479
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
480 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
481 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
482 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
483 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
484 #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
485 return octave_external_uint64_uint64_mul (x, y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
486 #else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
487 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 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
489 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
490
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
491 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
492
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
493 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
494 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
495 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
496 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
497
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
498 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
499
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
500 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
501 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
502 {
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
503 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
504 typedef typename query_integer_type<sizeof (T), false>::type UT;
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
505 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
506
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
507 // Returns 1 for negative number, 0 otherwise.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
508 static T
13734
28ddb3150943 Rename signbit to __signbit, until the problem is fixed in gnulib.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 13012
diff changeset
509 __signbit (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
510 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
511 return (x < 0) ? 1 : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
512 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
513
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
514 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
515 abs (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
516 {
25846
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
517 // -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: 25841
diff changeset
518 // 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: 25841
diff changeset
519 // 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: 25841
diff changeset
520 // 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: 25841
diff changeset
521 // the branch completely.
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
522
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
523 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: 25841
diff changeset
524 && 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: 25841
diff changeset
525 ? 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: 25841
diff changeset
526 : ((x < 0) ? -x : x));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
527 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
528
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
529 static T
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
530 signum (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
531 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
532 // With modest optimizations, this will compile without a jump.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
533 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
534 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
535
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
536 // FIXME: we do not have an authority what signed shifts should
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
537 // exactly do, so we define them the easy way. Note that Matlab does
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
538 // not define signed shifts.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
539
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
540 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
541 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
542
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
543 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
544 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
545
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
546 // Minus has problems similar to abs.
25846
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
547
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
548 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
549 minus (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
550 {
25846
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
551 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: 25841
diff changeset
552 && 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: 25841
diff changeset
553 ? 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: 25841
diff changeset
554 : -x);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
555 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
556
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
557 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
558 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
559 {
25846
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
560 // Avoid anything that may overflow.
25841
26c41d8bf170 fix min-val saturation for 64-bit integer addition (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
561
25846
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
562 return (y < 0
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
563 ? (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: 25841
diff changeset
564 ? 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: 25841
diff changeset
565 : x + y)
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
566 : (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: 25841
diff changeset
567 ? 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: 25841
diff changeset
568 : x + y));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
569 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
570
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
571 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
572 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
573 {
25846
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
574 // Avoid anything that may overflow.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
575
25846
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
576 return (y < 0
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
577 ? (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: 25841
diff changeset
578 ? 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: 25841
diff changeset
579 : x - y)
144820478378 eliminate OCTAVE_HAVE_FAST_INT_OPS macro and associated code (bug #54572)
John W. Eaton <jwe@octave.org>
parents: 25841
diff changeset
580 : (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: 25841
diff changeset
581 ? 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: 25841
diff changeset
582 : x - y));
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
583 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
584
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
585 // Multiplication is done using promotion to wider integer type. If there is
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
586 // no suitable promotion type, this operation *MUST* be specialized.
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
587 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
588
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
589 static T
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
590 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
591 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
592 // Promotion type for multiplication (if exists).
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
593 typedef typename query_integer_type<2*sizeof (T), true>::type mptype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
594 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
595 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
596 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
597
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
598 // Division.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
599 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
600 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
601 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
602 T z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
603 if (y == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
604 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
605 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
606 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
607 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
608 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
609 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
610 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
611 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
612 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
613 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
614 // 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
615 if (y == -1 && x == 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
616 {
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
617 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
618 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
619 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
620 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
621 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
622 // 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
623 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
624 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
625 z -= 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
626 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
627 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
628 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
629 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
630 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
631 // 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
632 // 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
633 // 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
634 T w = octave_int_abs (x % y);
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
635
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
636 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
637 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
638 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
639 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
640 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
641
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
642 // Remainder.
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
643 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
644 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
645 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
646 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
647 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
648
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21724
diff changeset
649 // Modulus. Note the weird y = 0 case for Matlab compatibility.
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
650 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
651 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
652 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
653 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
654 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
655 T r = x % y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
656 return ((r < 0) != (y < 0)) ? r + y : r;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
657 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
658 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
659 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
660 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
661 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
662
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
663 #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
664
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
665 // 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
666
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
667 #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
668
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
669 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
670 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
671
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
672 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
673
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
674 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
675 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
676 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
677 {
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
678 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
679
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
680 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
681
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
682 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
683 retval = octave_int_base<int64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
684 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
685 retval = octave_int_base<int64_t>::min_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
686 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
687 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
688
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
689 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
690 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
691
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
692 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
693 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
694 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
695 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
696 #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
697 return octave_external_int64_int64_mul (x, y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
698 #else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
699 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
700 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
701 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
702
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
703 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
704
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
705 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
706 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
707 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
708 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
709
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
710 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
711
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
712 // 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
713 template <typename T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
714 class octave_int_arith
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22323
diff changeset
715 : 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
716 { };
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
717
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
718 template <typename T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
719 class
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
720 octave_int : public octave_int_base<T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
721 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
722 public:
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
723 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
724
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
725 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
726
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
727 octave_int (T i) : ival (i) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
728
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21308
diff changeset
729 #if defined (OCTAVE_HAVE_OVERLOAD_CHAR_INT8_TYPES)
18627
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
730 // 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
731 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
732 : 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
733 { }
21235
b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411)
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
734 #endif
18627
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
735
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
736 octave_int (double d) : ival (octave_int_base<T>::convert_real (d)) { }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
737
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
738 octave_int (float d) : ival (octave_int_base<T>::convert_real (d)) { }
6402
fe9817a6ee98 [project @ 2007-03-13 02:25:31 by jwe]
jwe
parents: 6108
diff changeset
739
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
740 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
741 octave_int (long double d) : ival (octave_int_base<T>::convert_real (d)) { }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
742 #endif
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
743
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
744 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
745
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
746 template <typename U>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
747 octave_int (const U& i) : ival(octave_int_base<T>::truncate_int (i)) { }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
748
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
749 template <typename U>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
750 octave_int (const octave_int<U>& i)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
751 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
752
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
753 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
754
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
755 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
756 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
757 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
758 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
759 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
760
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
761 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
762
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
763 const unsigned char * iptr (void) const
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
764 { return reinterpret_cast<const unsigned char *> (& ival); }
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
765
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
766 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
767
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
768 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
769
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
770 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
771
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
772 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
773
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
774 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
775
7177
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
776 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
777
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
778 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
779 operator + () const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
780 { return *this; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
781
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
782 // unary operators & mappers
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
783 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
784 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
785 OPNAME () const \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
786 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
787 return octave_int_arith<T>::NAME (ival); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
788 }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
789
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
790 OCTAVE_INT_UN_OP(operator -, minus)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
791 OCTAVE_INT_UN_OP(abs, abs)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
792 OCTAVE_INT_UN_OP(signum, signum)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
793
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
794 #undef OCTAVE_INT_UN_OP
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
795
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
796 // Homogeneous binary integer operations.
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
797 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
798 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
799 operator OP (const ARGT& y) const \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
800 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
801 return octave_int_arith<T>::NAME (ival, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
802 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
803 inline octave_int<T>& \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
804 operator OP##= (const ARGT& y) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
805 { \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
806 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
807 return *this; \
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
808 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
809
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
810 OCTAVE_INT_BIN_OP(+, add, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
811 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
812 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
813 OCTAVE_INT_BIN_OP(/, div, octave_int<T>)
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
814 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
815 OCTAVE_INT_BIN_OP(<<, lshift, int)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
816 OCTAVE_INT_BIN_OP(>>, rshift, int)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
817
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
818 #undef OCTAVE_INT_BIN_OP
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7198
diff changeset
819
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
820 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
821 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
822
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
823 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
824
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14168
diff changeset
825 static int byte_size (void) { return sizeof (T); }
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
826
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23220
diff changeset
827 static const char * type_name ();
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
828
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
829 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
830 static const octave_int zero, one;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
831
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
832 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
833 // 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
834 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
835
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
836 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
837
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
838 T ival;
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
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
841 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
842 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
843 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
844 {
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
845 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
846 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
847
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
848 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
849 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
850 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
851 {
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
852 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
853 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
854
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
855 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
856
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
857 namespace octave
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
858 {
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
859 namespace math
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
860 {
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
861 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
862 bool
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
863 isnan (const octave_int<T>&)
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
864 {
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
865 return false;
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
866 }
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
867 }
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
868 }
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21751
diff changeset
869
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
870 // FIXME: can/should any of these be inline?
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
871
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
872 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
873 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
874 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
875
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
876 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
877 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
878 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
879
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
880 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
881 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
882 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
883
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
884 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
885 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
886 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
887
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
888 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
889 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
890 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
891
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
892 // 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
893 // 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
894 // one?
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
895 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
896 extern OCTAVE_API octave_int<T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
897 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
898
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
899 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
900 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
901 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
902
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
903 // Binary relations
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
diff changeset
904
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
905 #define OCTAVE_INT_CMP_OP(OP, NAME) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
906 template <typename T1, typename T2> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
907 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
908 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
909 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
910 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
911 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
912
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
913 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
914 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
915 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
916 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
917 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
918 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
919
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
920 #undef OCTAVE_INT_CMP_OP
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
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>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
923 inline std::ostream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
924 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
925 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
926 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
927 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
928 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
929
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
930 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
931 inline std::istream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
932 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
933 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
934 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
935 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
936 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
937 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
938 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
939
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
940 // 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
941 // 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
942 // 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
943 // 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
944 // 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
945
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
946 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
947 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
948 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
949 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
950 os << static_cast<int> (ival.value ());
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
951 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
952 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
953
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
954 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
955 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
956 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
957 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
958 os << static_cast<unsigned int> (ival.value ());
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
959 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
960 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
961
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
962 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
963 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
964 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
965 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
966 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
967 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
968 ival = static_cast<int8_t> (tmp);
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
969 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
970 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
971
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
972 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
973 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
974 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
975 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
976 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
977 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
978 ival = static_cast<uint8_t> (tmp);
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
979 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
980 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
981
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
982 // Bitwise operations
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7598
diff changeset
983
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
984 #define OCTAVE_INT_BITCMP_OP(OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
985 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
986 octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
987 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
988 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
989 return x.value () OP y.value (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
990 }
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
991
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
992 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
993 OCTAVE_INT_BITCMP_OP (|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
994 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
995
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
996 #undef OCTAVE_INT_BITCMP_OP
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
997
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
998 // General bit shift.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
999 template <typename T>
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1000 octave_int<T>
4920
b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe]
jwe
parents: 4919
diff changeset
1001 bitshift (const octave_int<T>& a, int n,
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1002 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
1003 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1004 if (n > 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1005 return (a << n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1006 else if (n < 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1007 return (a >> -n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1008 else
8963
d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1009 return a & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1010 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1011
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1012 #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
1013
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1014 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1015 extern OCTAVE_API T \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1016 external_double_ ## T ## _ ## OP (double x, T y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1017 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
1018 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
1019
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1020 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1021 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1022 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1023 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, mul); \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1024 DECLARE_EXTERNAL_LONG_DOUBLE_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
1025
18005
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1026 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_int64);
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1027 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_uint64);
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1028
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1029 #endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1030
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1031 #define OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1032 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1033 inline octave_int<T> \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1034 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
1035 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1036 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
1037 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1038 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1039 inline octave_int<T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1040 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
1041 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1042 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
1043 }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1044
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1045 #if defined (OCTAVE_INT_USE_LONG_DOUBLE)
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1046 // Handle mixed op using long double
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21574
diff changeset
1047 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1048 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1049 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1050 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1051 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1052 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
1053 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1054 return external_double_octave_int64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1055 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1056 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1057 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1058 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
1059 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1060 return external_double_octave_uint64_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1061 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1062 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1063 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1064 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
1065 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1066 return external_octave_int64_double_ ## NAME (x, y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1067 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1068 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1069 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1070 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
1071 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1072 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
1073 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1074 #else
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
1075 # 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
1076 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1077 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1078 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1079 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
1080 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1081 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
1082 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1083 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1084 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1085 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
1086 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1087 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
1088 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1089 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1090 inline octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1091 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
1092 { \
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1093 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
1094 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1095 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1096 inline octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1097 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
1098 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1099 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
1100 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1101 #endif
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1102 #else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1103 // external handlers
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1104 #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
1105 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1106 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1107 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1108 operator OP (const double&, const octave_int64&); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1109 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1110 OCTAVE_API octave_uint64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1111 operator OP (const double&, const octave_uint64&); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1112 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1113 OCTAVE_API octave_int64 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1114 operator OP (const octave_int64&, const double&); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1115 template <> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1116 OCTAVE_API octave_uint64 \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1117 operator OP (const octave_uint64&, const double&);
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1118
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1119 #endif
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1120
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1121 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
1122 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
1123 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
1124 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1125
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1126 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1127 #undef OCTAVE_INT_DOUBLE_BIN_OP
18005
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1128 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OP
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1129 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1130
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1131 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1132 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1133 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1134 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
1135 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1136 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
1137 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1138 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1139 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1140 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
1141 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1142 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
1143 }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1144
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1145 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1146 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1147 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1148 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1149 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1150 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1151
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1152 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1153
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1154 // Floats are handled by simply converting to doubles.
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1155
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1156 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1157 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1158 inline octave_int<T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1159 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
1160 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1161 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1162 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1163 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1164 inline octave_int<T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1165 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
1166 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1167 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1168 }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1169
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1170 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1171 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1172 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1173 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1174
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1175 #undef OCTAVE_INT_FLOAT_BIN_OP
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1176
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1177 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1178 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1179 inline bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1180 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
1181 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1182 return x OP static_cast<double> (y); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1183 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1184 template <typename T> \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1185 bool \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1186 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
1187 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1188 return static_cast<double> (x) OP y; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22107
diff changeset
1189 }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1190
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1191 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1192 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1193 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1194 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1195 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1196 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1197
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1198 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1199
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1200 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1201 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1202 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
1203 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1204 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
1205 const T yv = y.value ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1206 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
1207 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1208
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1209 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1210 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1211 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
1212 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1213 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
1214 const T yv = y.value ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1215 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
1216 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1217
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1218 #endif