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annotate liboctave/util/oct-inttypes.h @ 21302:8376de2eaf00

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define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h * acinclude.m4 (OCTAVE_FAST_INT_OPS): Define OCTAVE_HAVE_FAST_INT_OPS instead of HAVE_FAST_INT_OPS. * oct-inttypes.cc, oct-inttypes.h: Use new macro name. * mk-octave-config-h.sh: Emit definition of OCTAVE_HAVE_FAST_INT_OPS. * build-env-features.sh: Also include symbols beginning with "OCTAVE_HAVE_".
author John W. Eaton <jwe@octave.org>
date Thu, 18 Feb 2016 16:42:42 -0500
parents 933083fee7ae
children c53bfd6d8e08
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1 /*
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2
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3 Copyright (C) 2004-2015 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 the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 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 WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 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 <http://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 <cstdlib>
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31 #include <limits>
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32 #include <iosfwd>
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33
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34 #include "lo-traits.h"
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35 #include "lo-math.h"
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36 #include "lo-mappers.h"
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37
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38 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
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39 inline long double xround (long double x) { return roundl (x); }
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40 inline long double xisnan (long double x)
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41 { return xisnan (static_cast<double> (x)); }
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42 #endif
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43
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44 // FIXME: we define this by our own because some compilers, such as
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45 // MSVC, do not provide std::abs (int64_t) and std::abs (uint64_t). In
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46 // the future, it should go away in favor of std::abs.
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47 template <typename T>
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48 inline T octave_int_abs (T x) { return x >= 0 ? x : -x; }
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49
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50 // Query for an integer type of certain sizeof, and signedness.
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51 template <int qsize, bool qsigned>
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52 struct query_integer_type
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53 {
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54 public:
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55 static const bool registered = false;
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56 typedef void type; // Void shall result in a compile-time error if we
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57 // attempt to use it in computations.
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58 };
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59
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60 #define REGISTER_INT_TYPE(TYPE) \
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61 template <> \
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62 class query_integer_type<sizeof (TYPE), std::numeric_limits<TYPE>::is_signed> \
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63 { \
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64 public: \
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65 static const bool registered = true; \
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66 typedef TYPE type; \
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67 }
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68
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69 // No two registered integers can share sizeof and signedness.
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70 REGISTER_INT_TYPE (int8_t);
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71 REGISTER_INT_TYPE (uint8_t);
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72 REGISTER_INT_TYPE (int16_t);
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73 REGISTER_INT_TYPE (uint16_t);
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74 REGISTER_INT_TYPE (int32_t);
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75 REGISTER_INT_TYPE (uint32_t);
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76 REGISTER_INT_TYPE (int64_t);
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77 REGISTER_INT_TYPE (uint64_t);
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78
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79 // Rationale: Comparators have a single static method, rel(), that returns the
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80 // result of the binary relation. They also have two static boolean fields:
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81 // ltval, gtval determine the value of x OP y if x < y, x > y, respectively.
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82 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \
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83 class NM \
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84 { \
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85 public: \
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86 static const bool ltval = (0 OP 1); \
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87 static const bool gtval = (1 OP 0); \
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88 template <typename T> \
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89 static bool op (T x, T y) { return x OP y; } \
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90 }
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91
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92 // We also provide two special relations: ct, yielding always true, and cf,
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93 // yielding always false.
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94 #define REGISTER_OCTAVE_CONST_OP(NM,value) \
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95 class NM \
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96 { \
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97 public: \
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98 static const bool ltval = value; \
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99 static const bool gtval = value; \
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100 template <typename T> \
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101 static bool op (T, T) { return value; } \
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102 }
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103
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104 // Handles non-homogeneous integer comparisons. Avoids doing useless tests.
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105 class octave_int_cmp_op
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106 {
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107 // This determines a suitable promotion type for T1 when meeting T2 in a
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108 // binary relation. If promotion to int or T2 is safe, it is used. Otherwise,
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109 // the signedness of T1 is preserved and it is widened if T2 is wider.
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110 // Notice that if this is applied to both types, they must end up with equal
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111 // size.
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112 template <typename T1, typename T2>
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113 class prom
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114 {
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115 // Promote to int?
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116 static const bool pint = (sizeof (T1) < sizeof (int)
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117 && sizeof (T2) < sizeof (int));
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118 static const bool t1sig = std::numeric_limits<T1>::is_signed;
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119 static const bool t2sig = std::numeric_limits<T2>::is_signed;
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120 static const bool psig =
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121 (pint || (sizeof (T2) > sizeof (T1) && t2sig) || t1sig);
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122 static const int psize =
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123 (pint ? sizeof (int) : (sizeof (T2) > sizeof (T1)
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124 ? sizeof (T2) : sizeof (T1)));
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125 public:
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126 typedef typename query_integer_type<psize, psig>::type type;
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127 };
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128
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129 // Implements comparisons between two types of equal size but
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130 // possibly different signedness.
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131 template <typename xop, int size>
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132 class uiop
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133 {
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134 typedef typename query_integer_type<size, false>::type utype;
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135 typedef typename query_integer_type<size, true>::type stype;
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136 public:
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137 static bool op (utype x, utype y)
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138 { return xop::op (x, y); }
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139 static bool op (stype x, stype y)
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140 { return xop::op (x, y); }
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141 static bool op (stype x, utype y)
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142 { return (x < 0) ? xop::ltval : xop::op (static_cast<utype> (x), y); }
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143 static bool op (utype x, stype y)
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144 { return (y < 0) ? xop::gtval : xop::op (x, static_cast<utype> (y)); }
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145 };
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146
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147 public:
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148 REGISTER_OCTAVE_CMP_OP (lt, <);
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149 REGISTER_OCTAVE_CMP_OP (le, <=);
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150 REGISTER_OCTAVE_CMP_OP (gt, >);
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151 REGISTER_OCTAVE_CMP_OP (ge, >=);
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152 REGISTER_OCTAVE_CMP_OP (eq, ==);
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153 REGISTER_OCTAVE_CMP_OP (ne, !=);
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154 REGISTER_OCTAVE_CONST_OP (ct, true);
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155 REGISTER_OCTAVE_CONST_OP (cf, false);
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156
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157 // Universal comparison operation.
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158 template <typename xop, typename T1, typename T2>
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159 static bool
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160 op (T1 x, T2 y)
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161 {
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162 typedef typename prom<T1, T2>::type PT1;
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163 typedef typename prom<T2, T1>::type PT2;
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164 return uiop<xop, sizeof (PT1)>::op (static_cast<PT1> (x),
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165 static_cast<PT2> (y));
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166 }
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167
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168 public:
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169
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170 // Mixed comparisons
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171 template <typename xop, typename T>
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172 static bool
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173 mop (T x, double y)
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174 { return xop::op (static_cast<double> (x), y); }
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175
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176 template <typename xop, typename T>
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177 static bool
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178 mop (double x, T y)
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179 { return xop::op (x, static_cast<double> (y)); }
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180
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181 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
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182 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
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183 template <typename xop> static OCTAVE_API bool \
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184 external_mop (double, T); \
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185 template <typename xop> static OCTAVE_API bool \
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186 external_mop (T, double)
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187
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188 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t);
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189 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (uint64_t);
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190 #endif
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191
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192 // Typecasting to doubles won't work properly for 64-bit integers --
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193 // they lose precision.
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194 // If we have long doubles, use them...
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195 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
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196 # ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
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197 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
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198 template <typename xop> \
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199 static bool \
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200 mop (double x, T y) \
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201 { \
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202 return external_mop<xop> (x, y); \
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203 } \
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204 template <typename xop> \
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205 static bool \
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206 mop (T x, double y) \
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207 { \
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208 return external_mop<xop> (x, y); \
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209 }
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210 # else
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211 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
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212 template <typename xop> \
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213 static bool \
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214 mop (double x, T y) \
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215 { \
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216 return xop::op (static_cast<long double> (x), \
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217 static_cast<long double> (y)); \
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218 } \
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219 template <typename xop> \
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220 static bool \
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221 mop (T x, double y) \
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222 { \
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223 return xop::op (static_cast<long double> (x), \
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224 static_cast<long double> (y)); \
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225 }
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226 # endif
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227 #else
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228 // ... otherwise, use external handlers
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229
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230 // FIXME: We could declare directly the mop methods as external,
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231 // but we can't do this because bugs in gcc (<= 4.3) prevent
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232 // explicit instantiations later in that case.
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233 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
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234 template <typename xop> static OCTAVE_API bool \
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235 emulate_mop (double, T); \
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236 template <typename xop> \
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237 static bool \
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238 mop (double x, T y) \
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239 { \
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240 return emulate_mop<xop> (x, y); \
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241 } \
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242 template <typename xop> static OCTAVE_API bool \
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243 emulate_mop (T, double); \
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244 template <typename xop> \
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245 static bool \
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246 mop (T x, double y) \
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247 { \
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248 return emulate_mop<xop> (x, y); \
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249 }
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250 #endif
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251
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252 DEFINE_LONG_DOUBLE_CMP_OP(int64_t)
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253 DEFINE_LONG_DOUBLE_CMP_OP(uint64_t)
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254
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255 #undef DEFINE_LONG_DOUBLE_CMP_OP
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256 };
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257
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258 // Base integer class. No data, just conversion methods and exception flags.
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259 template <typename T>
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260 class octave_int_base
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261 {
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262 public:
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263
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264 static T min_val () { return std::numeric_limits<T>:: min (); }
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265 static T max_val () { return std::numeric_limits<T>:: max (); }
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266
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267 // Convert integer value.
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268 template <typename S>
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269 static T
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270 truncate_int (const S& value)
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271 {
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272 // An exhaustive test whether the max and/or min check can be omitted.
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273 static const bool t_is_signed = std::numeric_limits<T>::is_signed;
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274 static const bool s_is_signed = std::numeric_limits<S>::is_signed;
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275 static const int t_size = sizeof (T);
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276 static const int s_size = sizeof (S);
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277
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278 static const bool omit_chk_min =
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279 (! s_is_signed || (t_is_signed && t_size >= s_size));
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280 static const bool omit_chk_max =
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281 (t_size > s_size || (t_size == s_size
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282 && (! t_is_signed || s_is_signed)));
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283 // If the check can be omitted, substitute constant false relation.
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284 typedef octave_int_cmp_op::cf cf;
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285 typedef octave_int_cmp_op::lt lt;
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286 typedef octave_int_cmp_op::gt gt;
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287 typedef typename if_then_else<omit_chk_min, cf, lt>::result chk_min;
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288 typedef typename if_then_else<omit_chk_max, cf, gt>::result chk_max;
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289
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290 // Efficiency of the following depends on inlining and dead code
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291 // elimination, but that should be a piece of cake for most compilers.
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292 if (chk_min::op (value, static_cast<S> (min_val ())))
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293 {
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294 return min_val ();
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295 }
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296 else if (chk_max::op (value, static_cast<S> (max_val ())))
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297 {
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298 return max_val ();
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299 }
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300 else
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301 return static_cast<T> (value);
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302 }
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303
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304 private:
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305
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306 // Computes a real-valued threshold for a max/min check.
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307 template <typename S>
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308 static S
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309 compute_threshold (S val, T orig_val)
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310 {
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311 val = xround (val); // Fool optimizations (maybe redundant)
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312 // If val is even, but orig_val is odd, we're one unit off.
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313 if (orig_val % 2 && val / 2 == xround (val / 2))
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314 // FIXME: is this always correct?
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315 val *= (static_cast<S> (1) - (std::numeric_limits<S>::epsilon () / 2));
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316 return val;
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317 }
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318
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319 public:
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320 // Convert a real number (check NaN and non-int).
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321 template <typename S>
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322 static T
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323 convert_real (const S& value)
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324 {
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325 // Compute proper thresholds.
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326 static const S thmin = compute_threshold (static_cast<S> (min_val ()),
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327 min_val ());
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328 static const S thmax = compute_threshold (static_cast<S> (max_val ()),
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329 max_val ());
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330 if (xisnan (value))
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331 {
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332 return static_cast<T> (0);
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333 }
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334 else if (value < thmin)
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335 {
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336 return min_val ();
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337 }
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338 else if (value > thmax)
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339 {
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340 return max_val ();
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341 }
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342 else
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343 {
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344 S rvalue = xround (value);
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345 return static_cast<T> (rvalue);
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346 }
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347 }
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348 };
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349
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350 // Saturated (homogeneous) integer arithmetics. The signed and unsigned
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351 // implementations are significantly different, so we implement another layer
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352 // and completely specialize. Arithmetics inherits from octave_int_base so that
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353 // it can use its exceptions and truncation functions.
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354
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355 template <typename T, bool is_signed>
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356 class octave_int_arith_base
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357 { };
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358
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359 // Unsigned arithmetics. C++ standard requires it to be modular, so the
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360 // overflows can be handled efficiently and reliably.
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361 template <typename T>
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362 class octave_int_arith_base<T, false> : octave_int_base<T>
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363 {
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364 public:
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365
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366 static T
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367 abs (T x) { return x; }
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368
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369 static T
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370 signum (T x) { return x ? static_cast<T> (1) : static_cast<T> (0); }
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371
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372 // Shifts do not overflow.
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373 static T
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374 rshift (T x, int n) { return x >> n; }
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375
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376 static T
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377 lshift (T x, int n) { return x << n; }
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378
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379 static T
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380 minus (T)
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381 {
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382 return static_cast<T> (0);
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383 }
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384
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385 // the overflow behaviour for unsigned integers is guaranteed by C/C++,
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386 // so the following should always work.
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387 static T
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388 add (T x, T y)
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389 {
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390 T u = x + y;
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391 if (u < x)
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392 {
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393 u = octave_int_base<T>::max_val ();
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394 }
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395 return u;
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396 }
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397
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398 static T
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399 sub (T x, T y)
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400 {
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401 T u = x - y;
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402 if (u > x)
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403 {
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404 u = 0;
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405 }
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406 return u;
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407 }
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408
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409 // Multiplication is done using promotion to wider integer type. If there is
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410 // no suitable promotion type, this operation *MUST* be specialized.
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diff changeset
411 static T mul (T x, T y) { return mul_internal (x, y); }
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John W. Eaton <jwe@octave.org>
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diff changeset
412
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diff changeset
413 static T
17993
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diff changeset
414 mul_internal (T x, T y)
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diff changeset
415 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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diff changeset
416 // Promotion type for multiplication (if exists).
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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diff changeset
417 typedef typename query_integer_type<2*sizeof (T), false>::type mptype;
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diff changeset
418 return octave_int_base<T>::truncate_int (static_cast<mptype> (x)
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diff changeset
419 * static_cast<mptype> (y));
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Rik <rik@octave.org>
parents: 17744
diff changeset
420 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
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diff changeset
421
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Jaroslav Hajek <highegg@gmail.com>
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diff changeset
422 // Division with rounding to nearest. Note that / and % are probably
66bc6f9b4f72 rewrite integer arithmetics and conversions
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diff changeset
423 // computed by a single instruction.
11586
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diff changeset
424 static T
8169
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diff changeset
425 div (T x, T y)
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Rik <rik@octave.org>
parents: 17744
diff changeset
426 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
427 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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diff changeset
428 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
429 T z = x / y;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
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parents: 18017
diff changeset
430 T w = x % y;
17769
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diff changeset
431 if (w >= y-w) z += 1;
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diff changeset
432 return z;
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 else
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 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
437 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
438 }
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parents: 10405
diff changeset
439
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
440 // Remainder.
00219bdd2d17 implement built-in rem and mod
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diff changeset
441 static T
00219bdd2d17 implement built-in rem and mod
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diff changeset
442 rem (T x, T y)
17769
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diff changeset
443 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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diff changeset
444 return y != 0 ? x % y : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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parents: 17744
diff changeset
445 }
10436
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parents: 10405
diff changeset
446
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
447 // Modulus. Note the weird y = 0 case for Matlab compatibility.
00219bdd2d17 implement built-in rem and mod
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parents: 10405
diff changeset
448 static T
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diff changeset
449 mod (T x, T y)
17769
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diff changeset
450 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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diff changeset
451 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
452 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
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diff changeset
453 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
454
8185
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diff changeset
455 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
17993
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diff changeset
456
8185
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diff changeset
457 // Handle 64-bit multiply using long double
17993
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diff changeset
458
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diff changeset
459 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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diff changeset
460
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John W. Eaton <jwe@octave.org>
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diff changeset
461 extern OCTAVE_API uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
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diff changeset
462 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
463
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
464 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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diff changeset
465
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
466 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
467 inline uint64_t
17993
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John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
468 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
469 {
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
470 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
471
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
472 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>
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diff changeset
473
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
474 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
475 retval = octave_int_base<uint64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
476 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
477 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
478
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
479 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
480 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
481
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
482 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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diff changeset
483 inline uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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diff changeset
484 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
485 {
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
486 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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diff changeset
487 return octave_external_uint64_uint64_mul (x, y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
488 #else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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diff changeset
489 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
490 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
491 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
492
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
493 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
494
8169
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Jaroslav Hajek <highegg@gmail.com>
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diff changeset
495 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
496 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff changeset
497 OCTAVE_API uint64_t
17993
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John W. Eaton <jwe@octave.org>
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diff changeset
498 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
499
8185
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diff changeset
500 #endif
8169
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Jaroslav Hajek <highegg@gmail.com>
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diff changeset
501
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
502 // Signed integer arithmetic.
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
503 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
504 // Rationale: If OCTAVE_HAVE_FAST_INT_OPS is defined, the following
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
505 // conditions should hold:
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
506 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
507 // 1. Signed numbers are represented by twos complement (see
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
508 // <http://en.wikipedia.org/wiki/Two%27s_complement>)
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
509 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
510 // 2. static_cast to unsigned int counterpart works like
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
511 // interpreting the signed bit pattern as unsigned (and is thus
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
512 // zero-cost).
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
513 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
514 // 3. Signed addition and subtraction yield the same bit results as
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
515 // unsigned. (We use casts to prevent optimization interference,
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
516 // so there is no need for things like -ftrapv).
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
517 //
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
518 // 4. Bit operations on signed integers work like on unsigned
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
519 // integers, except for the shifts. Shifts are arithmetic.
8169
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Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
520 //
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
521 // The above conditions are satisfied by most modern platforms. If
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
522 // OCTAVE_HAVE_FAST_INT_OPS is defined, bit tricks and wraparound
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
523 // arithmetics are used to avoid conditional jumps as much as
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
524 // possible, thus being friendly to modern pipeline processor
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
525 // architectures. Otherwise, we fall back to a bullet-proof code that
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
526 // only uses assumptions guaranteed by the standard.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
527
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
528 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
529 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
530 {
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
531 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
532 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
533 public:
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
534
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
535 // Returns 1 for negative number, 0 otherwise.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
536 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
537 __signbit (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
538 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
539 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
540 return static_cast<UT> (x) >> std::numeric_limits<T>::digits;
8169
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Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
541 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
542 return (x < 0) ? 1 : 0;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
543 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
544 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
545
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
546 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
547 abs (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
548 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
549 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
550 // This is close to how GCC does std::abs, but we can't just use std::abs,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
551 // because its behaviour for INT_MIN is undefined and the compiler could
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
552 // discard the following test.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
553 T m = x >> std::numeric_limits<T>::digits;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
554 T y = (x ^ m) - m;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
555 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
556 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
557 y = 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
558 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
559 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
560 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
561 // -INT_MAX is safe because C++ actually allows only three implementations
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
562 // of integers: sign & magnitude, ones complement and twos complement.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
563 // The first test will, with modest optimizations, evaluate at compile
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
564 // time, and maybe eliminate the branch completely.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
565 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
566 if (octave_int_base<T>::min_val () < -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
567 && 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
568 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
569 y = 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
570 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
571 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
572 y = (x < 0) ? -x : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
573 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
574 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
575 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
576
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
577 static T
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
578 signum (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
579 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
580 // 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
581 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
582 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
583
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
584 // FIXME: we do not have an authority what signed shifts should
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
585 // exactly do, so we define them the easy way. Note that Matlab does
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
586 // not define signed shifts.
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
587
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
588 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
589 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
590
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
591 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
592 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
593
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
594 // Minus has problems similar to abs.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
595 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
596 minus (T x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
597 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
598 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
599 T y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
600 if (y == 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
601 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
602 --y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
603 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
604 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
605 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
606 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
607 if (octave_int_base<T>::min_val () < -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
608 && 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
609 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
610 y = 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
611 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
612 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
613 y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
614 return y;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
615 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
616 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
617
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
618 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
619 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
620 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
621 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
622 // The typecasts do nothing, but they are here to prevent an optimizing
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
623 // compiler from interfering. Also, the signed operations on small types
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
624 // actually return int.
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
625 T u = static_cast<UT> (x) + static_cast<UT> (y);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
626 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
627 T uy = u ^ y;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
628 if ((ux & uy) < 0)
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 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
631 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
632 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
633 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
634 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
635 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
636 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
637 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
638 if (x < octave_int_base<T>::min_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
639 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
640 u = 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
641 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
642 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
643 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
644 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
645 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
646 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
647 if (x > octave_int_base<T>::max_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
648 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
649 u = 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
650 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
651 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
652 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
653 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
654
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
655 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
656 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
657 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
658
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
659 // This is very similar to addition.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
660 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
661 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
662 {
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
663 #if defined (OCTAVE_HAVE_FAST_INT_OPS)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
664 // The typecasts do nothing, but they are here to prevent an optimizing
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
665 // compiler from interfering. Also, the signed operations on small types
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
666 // actually return int.
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
667 T u = static_cast<UT> (x) - static_cast<UT> (y);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
668 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
669 T uy = u ^ ~y;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
670 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
671 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
672 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
673 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
674 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
675 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
676 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
677 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
678 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
679 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
680 if (x > octave_int_base<T>::max_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
681 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
682 u = 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
683 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
684 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
685 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
686 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
687 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
688 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
689 if (x < octave_int_base<T>::min_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
690 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
691 u = 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
692 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
693 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
694 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
695 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
696
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
697 return u;
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
698 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
699 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
700
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
701 // 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
702 // 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
703 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
704
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
705 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
706 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
707 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
708 // 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
709 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
710 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
711 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
712 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
713
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
714 // Division.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
715 static T
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
716 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
717 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
718 T z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
719 if (y == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
720 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
721 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
722 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
723 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
724 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
725 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
726 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
727 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
728 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
729 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
730 // 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
731 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
732 {
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
733 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
734 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
735 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
736 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
737 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
738 // 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
739 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
740 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
741 z -= 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
742 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
743 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
744 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
745 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
746 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
747 // 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
748 // 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
749 // 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
750 T w = octave_int_abs (x % y);
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
751
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
752 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
753 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
754 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
755 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
756 }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
757
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
758 // Remainder.
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
759 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
760 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
761 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
762 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
763 }
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
764
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
765 // Modulus. Note the weird y = 0 case for Matlab compatibility.
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
766 static T
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
767 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
768 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
769 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
770 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
771 T r = x % y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
772 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
773 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
774 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
775 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
776 }
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
777 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
778
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
779 #ifdef 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
780
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
781 // 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
782
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
783 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
784
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
785 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
786 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
787
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
788 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
789
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
790 template <>
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
791 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
792 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
793 {
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
794 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
795
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
796 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
797
21302
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
798 // NOTE: We could maybe do it with a single branch if
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
799 // OCTAVE_HAVE_FAST_INT_OPS, but it would require one more runtime
8376de2eaf00 define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21245
diff changeset
800 // conversion, so the question is whether it would really be faster.
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
801 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
802 retval = octave_int_base<int64_t>::max_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
803 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
804 retval = octave_int_base<int64_t>::min_val ();
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
805 else
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
806 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
807
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
808 return retval;
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
809 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
810
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
811 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
812 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
813 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
814 {
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
815 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
816 return octave_external_int64_int64_mul (x, y);
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
817 #else
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
818 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
819 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
820 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
821
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
822 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
823
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
824 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
825 template <>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
826 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
827 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
828
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
829 #endif
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
830
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
831 // 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
832 template <typename T>
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
833 class octave_int_arith
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
834 : 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
835 { };
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
836
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
837 template <typename T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
838 class
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
839 octave_int : public octave_int_base<T>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
840 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
841 public:
4943
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
842 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe]
jwe
parents: 4920
diff changeset
843
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
844 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
845
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
846 octave_int (T i) : ival (i) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
847
21235
b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411)
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
848 #if defined (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
849 // 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
850 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
851 : 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
852 { }
21235
b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411)
Mike Miller <mtmiller@octave.org>
parents: 19861
diff changeset
853 #endif
18627
37c300acfcfd don't truncate when casting char to uintN values (bug #42054)
John W. Eaton <jwe@octave.org>
parents: 18252
diff changeset
854
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
855 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
856
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
857 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
858
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
859 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
860 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
861 #endif
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
862
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
863 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
864
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
865 template <typename U>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
866 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
867
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
868 template <typename U>
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
869 octave_int (const octave_int<U>& i)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
870 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
871
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
872 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
873
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
874 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
875 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
876 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
877 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
878 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
879
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
880 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
881
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
882 const unsigned char * iptr (void) const
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
883 { return reinterpret_cast<const unsigned char *> (& ival); }
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
884
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
885 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
886
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
887 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
888
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
889 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
890
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
891 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
892
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
893 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
894
7177
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
895 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe]
jwe
parents: 7017
diff changeset
896
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
897 // char and bool operators intentionally omitted.
5533
667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe]
jwe
parents: 5420
diff changeset
898
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
899 operator double (void) const { return double_value (); }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
900
7198
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe]
jwe
parents: 7177
diff changeset
901 operator float (void) const { return float_value (); }
5030
160365410ad4 [project @ 2004-09-24 03:22:23 by jwe]
jwe
parents: 5029
diff changeset
902
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
903 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
904 operator + () const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
905 { return *this; }
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
906
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
907 // unary operators & mappers
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
908 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
909 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
910 OPNAME () const \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
911 { return octave_int_arith<T>::NAME (ival); }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
912
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
913 OCTAVE_INT_UN_OP(operator -, minus)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
914 OCTAVE_INT_UN_OP(abs, abs)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
915 OCTAVE_INT_UN_OP(signum, signum)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
916
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
917 #undef OCTAVE_INT_UN_OP
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
918
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
919 // Homogeneous binary integer operations.
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
920 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
921 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
922 operator OP (const ARGT& y) const \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
923 { return octave_int_arith<T>::NAME (ival, y); } \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
924 inline octave_int<T>& \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
925 operator OP##= (const ARGT& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
926 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
927 ival = octave_int_arith<T>::NAME (ival, y); \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
928 return *this; \
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
929 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
930
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
931 OCTAVE_INT_BIN_OP(+, add, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
932 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
933 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
934 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
935 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>)
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
936 OCTAVE_INT_BIN_OP(<<, lshift, int)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
937 OCTAVE_INT_BIN_OP(>>, rshift, int)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
938
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
939 #undef OCTAVE_INT_BIN_OP
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7198
diff changeset
940
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
941 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
942 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
943
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
944 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
945
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14168
diff changeset
946 static int byte_size (void) { return sizeof (T); }
4949
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe]
jwe
parents: 4943
diff changeset
947
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
948 static const char *type_name ();
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
949
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
950 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
951 static const octave_int zero, one;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
952
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
953 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
954 // You should not use it anywhere else.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
955 void *mex_get_data (void) const { return const_cast<T *> (&ival); }
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5898
diff changeset
956
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
957 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
958
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
959 T ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
960 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
961
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
962 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
963 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
964 rem (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
965 { return octave_int_arith<T>::rem (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
966
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
967 template <typename T>
10436
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
968 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
969 mod (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
970 { return octave_int_arith<T>::mod (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents: 10405
diff changeset
971
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
972 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
973
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
974 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
975 inline bool
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
976 xisnan (const octave_int<T>&)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
977 { return false; }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
978
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
979 // FIXME: can/should any of these be inline?
7997
2b8952e133c9 implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents: 7922
diff changeset
980
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
981 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
982 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
983 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
984
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
985 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
986 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
987 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
988
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
989 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
990 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
991 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
992
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
993 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
994 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
995 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
996
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
997 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
998 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
999 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
1000
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
1001 // 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
1002 // 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
1003 // one?
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1004 template <typename T>
13012
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 11586
diff changeset
1005 extern OCTAVE_API octave_int<T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1006 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
1007
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1008 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1009 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1010 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1011
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1012 // Binary relations
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
diff changeset
1013
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1014 #define OCTAVE_INT_CMP_OP(OP, NAME) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1015 template <typename T1, typename T2> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1016 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1017 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1018 { return octave_int_cmp_op::op<octave_int_cmp_op::NAME, T1, T2> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1019 (x.value (), y.value ()); }
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1020
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1021 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1022 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1023 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1024 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1025 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1026 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1027
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1028 #undef OCTAVE_INT_CMP_OP
4953
7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe]
jwe
parents: 4952
diff changeset
1029
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1030 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1031 inline std::ostream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1032 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1033 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1034 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1035 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1036 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1037
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1038 template <typename T>
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1039 inline std::istream&
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1040 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1041 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1042 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1043 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1044 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1045 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1046 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1047
18252
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1048 // 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
1049 // 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
1050 // output the ASCII character values instead of a representation of
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1051 // their numerical value (e.g. os << char(10) outputs a space instead
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1052 // 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
1053
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1054 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1055 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
1056 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
1057 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1058 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
1059 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1060 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1061
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1062 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1063 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
1064 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
1065 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1066 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
1067 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1068 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1069
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1070
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1071 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1072 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
1073 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
1074 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1075 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
1076 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1077 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
1078 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1079 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1080
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1081 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1082 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
1083 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
1084 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1085 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
1086 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1087 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
1088 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1089 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1090
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18017
diff changeset
1091
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1092 // Bitwise operations
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7598
diff changeset
1093
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1094 #define OCTAVE_INT_BITCMP_OP(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1095 template <typename T> \
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1096 octave_int<T> \
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1097 operator OP (const octave_int<T>& x, const octave_int<T>& y) \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1098 { return x.value () OP y.value (); }
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1099
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1100 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1101 OCTAVE_INT_BITCMP_OP (|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1102 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1103
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1104 #undef OCTAVE_INT_BITCMP_OP
4906
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe]
jwe
parents: 4902
diff changeset
1105
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1106 // General bit shift.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1107 template <typename T>
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1108 octave_int<T>
4920
b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe]
jwe
parents: 4919
diff changeset
1109 bitshift (const octave_int<T>& a, int n,
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
1110 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
1111 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1112 if (n > 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1113 return (a << n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1114 else if (n < 0)
4952
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe]
jwe
parents: 4949
diff changeset
1115 return (a >> -n) & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1116 else
8963
d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1117 return a & mask;
4909
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1118 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe]
jwe
parents: 4906
diff changeset
1119
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1120 typedef octave_int<int8_t> octave_int8;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1121 typedef octave_int<int16_t> octave_int16;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1122 typedef octave_int<int32_t> octave_int32;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1123 typedef octave_int<int64_t> octave_int64;
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1124
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1125 typedef octave_int<uint8_t> octave_uint8;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1126 typedef octave_int<uint16_t> octave_uint16;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1127 typedef octave_int<uint32_t> octave_uint32;
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1128 typedef octave_int<uint64_t> octave_uint64;
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1129
18005
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1130 #ifdef 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
1131
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1132 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1133 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1134 external_double_ ## T ## _ ## OP (double x, T y); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1135 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1136 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
1137
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1138 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1139 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1140 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1141 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, mul); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1142 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
1143
18005
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1144 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
1145 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
1146
79653c5b6147 make int64 ops implemented with long double work again (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17993
diff changeset
1147 #endif
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1148
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1149 #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
1150 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1151 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1152 operator OP (const octave_int<T>& x, const double& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1153 { return octave_int<T> (static_cast<double> (x) OP y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1154 template <typename T> \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1155 inline octave_int<T> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1156 operator OP (const double& x, const octave_int<T>& y) \
19861
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19739
diff changeset
1157 { return octave_int<T> (x OP static_cast<double> (y)); }
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1158
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1159 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1160 // Handle mixed op 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
1161 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
1162 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1163 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1164 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1165 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1166 operator OP (const double& x, const octave_int64& y) \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1167 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1168 return external_double_octave_int64_ ## 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
1169 } \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1170 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1171 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1172 operator OP (const double& x, const octave_uint64& y) \
17980
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
1173 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1174 return external_double_octave_uint64_ ## 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
1175 } \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1176 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1177 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1178 operator OP (const octave_int64& x, const 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
1179 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1180 return external_octave_int64_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
1181 } \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1182 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1183 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1184 operator OP (const octave_uint64& x, const 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
1185 { \
18017
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 18005
diff changeset
1186 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
1187 }
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1188 #else
21202
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories.
Rik <rik@octave.org>
parents: 21139
diff changeset
1189 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1190 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1191 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1192 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1193 operator OP (const double& x, const octave_int64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1194 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1195 return octave_int64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1196 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1197 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1198 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1199 operator OP (const double& x, const octave_uint64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1200 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1201 return octave_uint64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1202 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1203 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1204 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1205 operator OP (const octave_int64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1206 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1207 return octave_int64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1208 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1209 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1210 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1211 operator OP (const octave_uint64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1212 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1213 return octave_uint64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1214 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1215 #endif
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1216 #else
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1217 // 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
1218 #define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1219 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1220 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1221 OCTAVE_API octave_int64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1222 operator OP (const double&, const octave_int64&); \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1223 template <> \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1224 OCTAVE_API octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1225 operator OP (const double&, const octave_uint64&); \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1226 template <> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1227 OCTAVE_API octave_int64 \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1228 operator OP (const octave_int64&, const double&); \
7521
6f10bbb2854a avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents: 7503
diff changeset
1229 template <> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1230 OCTAVE_API octave_uint64 \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1231 operator OP (const octave_uint64&, const double&);
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1232
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1233 #endif
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1234
17993
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents: 17980
diff changeset
1235 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
1236 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
1237 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
1238 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1239
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1240 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1241 #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
1242 #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
1243 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1244
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1245 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1246 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1247 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1248 operator OP (const octave_int<T>& x, const double& y) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1249 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x.value (), y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1250 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1251 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1252 operator OP (const double& x, const octave_int<T>& y) \
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1253 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x, y.value ()); }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1254
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1255 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1256 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1257 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1258 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1259 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1260 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1261
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1262 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1263
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1264 // Floats are handled by simply converting to doubles.
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1265
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1266 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1267 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1268 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1269 operator OP (const octave_int<T>& x, float y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1270 { return x OP static_cast<double> (y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1271 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1272 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1273 operator OP (float x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1274 { return static_cast<double> (x) OP y; }
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1275
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1276 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1277 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1278 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1279 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1280
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1281 #undef OCTAVE_INT_FLOAT_BIN_OP
5072
97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe]
jwe
parents: 5030
diff changeset
1282
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1283 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1284 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1285 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1286 operator OP (const octave_int<T>& x, const float& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1287 { return x OP static_cast<double> (y); } \
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1288 template <typename T> \
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1289 bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1290 operator OP (const float& x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1291 { return static_cast<double> (x) OP y; }
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1292
8169
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1293 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1294 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1295 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1296 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1297 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1298 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents: 8104
diff changeset
1299
8185
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1300 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents: 8169
diff changeset
1301
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1302 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1303 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1304 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
1305 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1306 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
1307 const T yv = y.value ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1308 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
1309 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1310
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
1311 template <typename T>
9743
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1312 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1313 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
1314 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18017
diff changeset
1315 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
1316 const T yv = y.value ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1317 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
1318 }
26abff55f6fe optimize bsxfun for common built-in operations
Jaroslav Hajek <highegg@gmail.com>
parents: 9648
diff changeset
1319
4902
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe]
jwe
parents:
diff changeset
1320 #endif