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1 /* |
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2 |
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3 Copyright (C) 2004 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_inttypes_h) |
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24 #define octave_inttypes_h 1 |
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25 |
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26 #include <limits> |
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27 #include <iostream> |
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28 |
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29 #include "data-conv.h" |
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30 #include "lo-ieee.h" |
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31 #include "lo-mappers.h" |
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32 |
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33 typedef signed char octave_int8_t; |
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34 typedef TWO_BYTE_INT octave_int16_t; |
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35 typedef FOUR_BYTE_INT octave_int32_t; |
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36 typedef EIGHT_BYTE_INT octave_int64_t; |
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37 |
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38 typedef unsigned char octave_uint8_t; |
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39 typedef unsigned TWO_BYTE_INT octave_uint16_t; |
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40 typedef unsigned FOUR_BYTE_INT octave_uint32_t; |
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41 typedef unsigned EIGHT_BYTE_INT octave_uint64_t; |
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42 |
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43 template <class T1, class T2> |
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44 class |
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45 octave_int_binop_traits |
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46 { |
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47 public: |
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48 // The return type for a T1 by T2 binary operation. |
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49 typedef T1 TR; |
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50 }; |
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51 |
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52 #define OCTAVE_INT_BINOP_TRAIT(T1, T2, T3) \ |
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53 template<> \ |
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54 class octave_int_binop_traits <T1, T2> \ |
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55 { \ |
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56 public: \ |
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57 typedef T3 TR; \ |
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58 } |
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59 |
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60 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int8_t, octave_int8_t); |
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61 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int16_t, octave_int8_t); |
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62 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int32_t, octave_int8_t); |
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63 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int64_t, octave_int8_t); |
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64 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint8_t, octave_int8_t); |
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65 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint16_t, octave_int8_t); |
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66 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint32_t, octave_int8_t); |
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67 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint64_t, octave_int8_t); |
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68 |
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69 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int8_t, octave_int16_t); |
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70 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int16_t, octave_int16_t); |
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71 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int32_t, octave_int16_t); |
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72 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int64_t, octave_int16_t); |
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73 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint8_t, octave_int16_t); |
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74 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint16_t, octave_int16_t); |
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75 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint32_t, octave_int16_t); |
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76 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint64_t, octave_int16_t); |
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77 |
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78 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int8_t, octave_int32_t); |
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79 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int16_t, octave_int32_t); |
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80 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int32_t, octave_int32_t); |
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81 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int64_t, octave_int32_t); |
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82 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint8_t, octave_int32_t); |
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83 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint16_t, octave_int32_t); |
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84 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint32_t, octave_int32_t); |
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85 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint64_t, octave_int32_t); |
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86 |
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87 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int8_t, octave_int64_t); |
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88 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int16_t, octave_int64_t); |
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89 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int32_t, octave_int64_t); |
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90 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int64_t, octave_int64_t); |
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91 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint8_t, octave_int64_t); |
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92 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint16_t, octave_int64_t); |
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93 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint32_t, octave_int64_t); |
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94 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint64_t, octave_int64_t); |
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95 |
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96 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int8_t, octave_int8_t); |
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97 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int16_t, octave_int8_t); |
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98 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int32_t, octave_int8_t); |
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99 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int64_t, octave_int8_t); |
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100 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint8_t, octave_uint8_t); |
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101 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint16_t, octave_uint8_t); |
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102 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint32_t, octave_uint8_t); |
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103 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint64_t, octave_uint8_t); |
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104 |
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105 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int8_t, octave_int16_t); |
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106 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int16_t, octave_int16_t); |
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107 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int32_t, octave_int16_t); |
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108 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int64_t, octave_int16_t); |
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109 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint8_t, octave_uint16_t); |
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110 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint16_t, octave_uint16_t); |
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111 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint32_t, octave_uint16_t); |
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112 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint64_t, octave_uint16_t); |
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113 |
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114 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int8_t, octave_int32_t); |
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115 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int16_t, octave_int32_t); |
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116 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int32_t, octave_int32_t); |
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117 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int64_t, octave_int32_t); |
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118 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint8_t, octave_uint32_t); |
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119 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint16_t, octave_uint32_t); |
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120 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint32_t, octave_uint32_t); |
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121 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint64_t, octave_uint32_t); |
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122 |
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123 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int8_t, octave_int64_t); |
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124 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int16_t, octave_int64_t); |
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125 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int32_t, octave_int64_t); |
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126 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int64_t, octave_int64_t); |
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127 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint8_t, octave_uint64_t); |
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128 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint16_t, octave_uint64_t); |
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129 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint32_t, octave_uint64_t); |
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130 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint64_t, octave_uint64_t); |
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131 |
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132 template <class T1, class T2> |
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133 inline T2 |
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134 octave_int_fit_to_range (const T1& x, const T2& mn, const T2& mx) |
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135 { |
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136 return (x > mx ? mx : (x < mn ? mn : T2 (x))); |
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137 } |
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138 |
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139 // If X is unsigned and the new type is signed, then we only have to |
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140 // check the upper limit, but we should cast the maximum value of the |
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141 // new type to an unsigned type before performing the comparison. |
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142 // This should always be OK because the maximum value should always be |
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143 // positive. |
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144 |
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145 #define OCTAVE_US_S_FTR(T1, T2, TC) \ |
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146 template <> \ |
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147 inline T2 \ |
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148 octave_int_fit_to_range<T1, T2> (const T1& x, const T2&, const T2& mx) \ |
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149 { \ |
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150 return x > static_cast<TC> (mx) ? mx : x; \ |
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151 } |
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152 |
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153 #define OCTAVE_US_S_FTR_FCNS(T) \ |
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154 OCTAVE_US_S_FTR (T, char, unsigned char) \ |
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155 OCTAVE_US_S_FTR (T, signed char, unsigned char) \ |
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156 OCTAVE_US_S_FTR (T, short, unsigned short) \ |
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157 OCTAVE_US_S_FTR (T, int, unsigned int) \ |
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158 OCTAVE_US_S_FTR (T, long, unsigned long) \ |
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159 OCTAVE_US_S_FTR (T, long long, unsigned long long) |
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160 |
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161 OCTAVE_US_S_FTR_FCNS (unsigned char) |
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162 OCTAVE_US_S_FTR_FCNS (unsigned short) |
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163 OCTAVE_US_S_FTR_FCNS (unsigned int) |
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164 OCTAVE_US_S_FTR_FCNS (unsigned long) |
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165 OCTAVE_US_S_FTR_FCNS (unsigned long long) |
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166 |
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167 // If X is signed and the new type is unsigned, then we only have to |
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168 // check the lower limit (which will always be 0 for an unsigned |
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169 // type). The upper limit will be enforced correctly by converting to |
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170 // the new type, even if the type of X is wider than the new type. |
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171 |
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172 #define OCTAVE_S_US_FTR(T1, T2) \ |
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173 template <> \ |
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174 inline T2 \ |
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175 octave_int_fit_to_range<T1, T2> (const T1& x, const T2&, const T2&) \ |
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176 { \ |
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177 return x < 0 ? 0 : x; \ |
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178 } |
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179 |
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180 #define OCTAVE_S_US_FTR_FCNS(T) \ |
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181 OCTAVE_S_US_FTR (T, unsigned char) \ |
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182 OCTAVE_S_US_FTR (T, unsigned short) \ |
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183 OCTAVE_S_US_FTR (T, unsigned int) \ |
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184 OCTAVE_S_US_FTR (T, unsigned long) \ |
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185 OCTAVE_S_US_FTR (T, unsigned long long) |
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186 |
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187 OCTAVE_S_US_FTR_FCNS (char) |
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188 OCTAVE_S_US_FTR_FCNS (signed char) |
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189 OCTAVE_S_US_FTR_FCNS (short) |
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190 OCTAVE_S_US_FTR_FCNS (int) |
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191 OCTAVE_S_US_FTR_FCNS (long) |
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192 OCTAVE_S_US_FTR_FCNS (long long) |
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193 |
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194 #define OCTAVE_INT_FIT_TO_RANGE(r, T) \ |
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195 octave_int_fit_to_range (r, \ |
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196 std::numeric_limits<T>::min (), \ |
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197 std::numeric_limits<T>::max ()) |
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198 |
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199 #define OCTAVE_INT_MIN_VAL2(T1, T2) \ |
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200 std::numeric_limits<typename octave_int_binop_traits<T1, T2>::TR>::min () |
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201 |
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202 #define OCTAVE_INT_MAX_VAL2(T1, T2) \ |
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203 std::numeric_limits<typename octave_int_binop_traits<T1, T2>::TR>::max () |
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204 |
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205 #define OCTAVE_INT_FIT_TO_RANGE2(r, T1, T2) \ |
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206 octave_int_fit_to_range (r, \ |
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207 OCTAVE_INT_MIN_VAL2 (T1, T2), \ |
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208 OCTAVE_INT_MAX_VAL2 (T1, T2)) |
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209 |
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210 template <class T> |
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211 class |
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212 octave_int |
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213 { |
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214 public: |
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215 |
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216 typedef T val_type; |
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217 |
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218 octave_int (void) : ival () { } |
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219 |
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220 template <class U> |
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221 octave_int (U i) : ival (OCTAVE_INT_FIT_TO_RANGE (i, T)) { } |
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222 |
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223 octave_int (bool b) : ival (b) { } |
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224 |
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225 template <class U> |
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226 octave_int (const octave_int<U>& i) |
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227 : ival (OCTAVE_INT_FIT_TO_RANGE (i.value (), T)) { } |
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228 |
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229 octave_int (const octave_int<T>& i) : ival (i.ival) { } |
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230 |
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231 octave_int& operator = (const octave_int<T>& i) |
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232 { |
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233 ival = i.ival; |
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234 return *this; |
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235 } |
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236 |
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237 ~octave_int (void) { } |
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238 |
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239 T value (void) const { return ival; } |
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240 |
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241 const unsigned char * iptr (void) const |
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242 { return reinterpret_cast<const unsigned char *> (& ival); } |
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243 |
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244 bool operator ! (void) const { return ! ival; } |
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245 |
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246 octave_int<T> operator + (void) const { return *this; } |
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247 |
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248 octave_int<T> operator - (void) const |
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249 { |
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250 // Can't just return -ival because signed types are not |
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251 // symmetric, which causes things like -intmin("int32") to be the |
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252 // same as intmin("int32") instead of intmax("int32") (which is |
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253 // what we should get with saturation semantics). |
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254 |
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255 return std::numeric_limits<T>::is_signed ? |
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256 OCTAVE_INT_FIT_TO_RANGE (- static_cast<double> (ival), T) : 0; |
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257 } |
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258 |
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259 operator double (void) const { return static_cast<double> (value ()); } |
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260 |
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261 operator float (void) const { return static_cast<float> (value ()); } |
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262 |
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263 octave_int<T>& operator += (const octave_int<T>& x) |
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264 { |
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265 double t = static_cast<double> (value ()); |
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266 double tx = static_cast<double> (x.value ()); |
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267 ival = OCTAVE_INT_FIT_TO_RANGE (t + tx, T); |
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268 return *this; |
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269 } |
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270 |
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271 octave_int<T>& operator -= (const octave_int<T>& x) |
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272 { |
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273 double t = static_cast<double> (value ()); |
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274 double tx = static_cast<double> (x.value ()); |
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275 ival = OCTAVE_INT_FIT_TO_RANGE (t - tx, T); |
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276 return *this; |
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277 } |
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278 |
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279 octave_int<T>& operator *= (const octave_int<T>& x) |
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280 { |
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281 double t = static_cast<double> (value ()); |
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282 double tx = static_cast<double> (x.value ()); |
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283 ival = OCTAVE_INT_FIT_TO_RANGE (t * tx, T); |
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284 return *this; |
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285 } |
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286 |
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287 octave_int<T>& operator /= (const octave_int<T>& x) |
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288 { |
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289 double t = static_cast<double> (value ()); |
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290 double tx = static_cast<double> (x.value ()); |
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291 double r = (t == 0 && tx == 0) ? 0 : xround (t / tx); |
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292 ival = OCTAVE_INT_FIT_TO_RANGE (r, T); |
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293 return *this; |
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294 } |
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295 |
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296 template <class T2> |
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297 octave_int<T>& operator <<= (const T2& x) |
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298 { |
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299 ival = ((ival << x) > std::numeric_limits<T>::max ()) ? 0 : (ival << x); |
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300 return *this; |
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301 } |
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302 |
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303 template <class T2> |
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304 octave_int<T>& operator >>= (const T2& x) |
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305 { |
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306 ival >>= x; |
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307 return *this; |
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308 } |
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309 |
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310 octave_int<T> min (void) const { return std::numeric_limits<T>::min (); } |
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311 octave_int<T> max (void) const { return std::numeric_limits<T>::max (); } |
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312 |
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313 static int nbits (void) { return sizeof (T) * CHAR_BIT; } |
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314 |
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315 static int byte_size (void) { return sizeof(T); } |
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316 |
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317 private: |
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318 |
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319 T ival; |
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320 }; |
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321 |
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322 template <class T> |
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323 octave_int<T> |
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324 pow (const octave_int<T>& a, const octave_int<T>& b) |
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325 { |
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326 octave_int<T> retval; |
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327 |
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328 octave_int<T> zero = octave_int<T> (0); |
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329 octave_int<T> one = octave_int<T> (1); |
|
4952
|
330 |
|
|
331 if (b == zero) |
|
|
332 retval = one; |
|
|
333 else if (b < zero) |
|
|
334 retval = zero; |
|
|
335 else |
|
|
336 { |
|
4953
|
337 octave_int<T> a_val = a; |
|
|
338 octave_int<T> b_val = b; |
|
4952
|
339 |
|
|
340 retval = a; |
|
|
341 |
|
|
342 b_val -= 1; |
|
|
343 |
|
5030
|
344 while (b_val != zero) |
|
4952
|
345 { |
|
5030
|
346 if ((b_val & one) != zero) |
|
4952
|
347 retval = retval * a_val; |
|
|
348 |
|
|
349 b_val = b_val >> 1; |
|
|
350 |
|
|
351 if (b_val > zero) |
|
|
352 a_val = a_val * a_val; |
|
|
353 } |
|
|
354 } |
|
|
355 |
|
|
356 return retval; |
|
|
357 } |
|
|
358 |
|
|
359 template <class T> |
|
4953
|
360 octave_int<T> |
|
|
361 pow (double a, const octave_int<T>& b) |
|
|
362 { |
|
|
363 double tb = static_cast<double> (b.value ()); |
|
|
364 double r = pow (a, tb); |
|
4968
|
365 r = lo_ieee_isnan (r) ? 0 : xround (r); |
|
4953
|
366 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
|
|
367 } |
|
|
368 |
|
|
369 template <class T> |
|
|
370 octave_int<T> |
|
|
371 pow (const octave_int<T>& a, double b) |
|
|
372 { |
|
|
373 double ta = static_cast<double> (a.value ()); |
|
|
374 double r = pow (ta, b); |
|
4968
|
375 r = lo_ieee_isnan (r) ? 0 : xround (r); |
|
4953
|
376 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
|
|
377 } |
|
|
378 |
|
|
379 template <class T> |
|
4902
|
380 std::ostream& |
|
|
381 operator << (std::ostream& os, const octave_int<T>& ival) |
|
|
382 { |
|
|
383 os << ival.value (); |
|
|
384 return os; |
|
|
385 } |
|
|
386 |
|
|
387 template <class T> |
|
|
388 std::istream& |
|
|
389 operator >> (std::istream& is, octave_int<T>& ival) |
|
|
390 { |
|
|
391 T tmp = 0; |
|
|
392 is >> tmp; |
|
|
393 ival = tmp; |
|
|
394 return is; |
|
|
395 } |
|
|
396 |
|
|
397 typedef octave_int<octave_int8_t> octave_int8; |
|
|
398 typedef octave_int<octave_int16_t> octave_int16; |
|
|
399 typedef octave_int<octave_int32_t> octave_int32; |
|
|
400 typedef octave_int<octave_int64_t> octave_int64; |
|
|
401 |
|
|
402 typedef octave_int<octave_uint8_t> octave_uint8; |
|
|
403 typedef octave_int<octave_uint16_t> octave_uint16; |
|
|
404 typedef octave_int<octave_uint32_t> octave_uint32; |
|
|
405 typedef octave_int<octave_uint64_t> octave_uint64; |
|
|
406 |
|
|
407 #define OCTAVE_INT_BIN_OP(OP) \ |
|
|
408 template <class T1, class T2> \ |
|
|
409 octave_int<typename octave_int_binop_traits<T1, T2>::TR> \ |
|
|
410 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ |
|
|
411 { \ |
|
|
412 double tx = static_cast<double> (x.value ()); \ |
|
|
413 double ty = static_cast<double> (y.value ()); \ |
|
|
414 double r = tx OP ty; \ |
|
|
415 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); \ |
|
4906
|
416 } |
|
4902
|
417 |
|
|
418 OCTAVE_INT_BIN_OP(+) |
|
|
419 OCTAVE_INT_BIN_OP(-) |
|
|
420 OCTAVE_INT_BIN_OP(*) |
|
4953
|
421 |
|
|
422 template <class T1, class T2> |
|
|
423 octave_int<typename octave_int_binop_traits<T1, T2>::TR> |
|
|
424 operator / (const octave_int<T1>& x, const octave_int<T2>& y) |
|
|
425 { |
|
|
426 double tx = static_cast<double> (x.value ()); |
|
|
427 double ty = static_cast<double> (y.value ()); |
|
|
428 double r = (tx == 0 && ty == 0) ? 0 : tx / ty; |
|
|
429 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); |
|
|
430 } |
|
|
431 |
|
|
432 #define OCTAVE_INT_DOUBLE_BIN_OP(OP) \ |
|
|
433 template <class T> \ |
|
|
434 octave_int<T> \ |
|
|
435 operator OP (const octave_int<T>& x, double y) \ |
|
|
436 { \ |
|
|
437 double tx = static_cast<double> (x.value ()); \ |
|
4968
|
438 double r = xround (tx OP y); \ |
|
|
439 r = lo_ieee_isnan (r) ? 0 : xround (r); \ |
|
4953
|
440 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
|
|
441 } |
|
|
442 |
|
|
443 OCTAVE_INT_DOUBLE_BIN_OP(+) |
|
|
444 OCTAVE_INT_DOUBLE_BIN_OP(-) |
|
|
445 OCTAVE_INT_DOUBLE_BIN_OP(*) |
|
|
446 OCTAVE_INT_DOUBLE_BIN_OP(/) |
|
|
447 |
|
|
448 #define OCTAVE_DOUBLE_INT_BIN_OP(OP) \ |
|
|
449 template <class T> \ |
|
|
450 octave_int<T> \ |
|
|
451 operator OP (double x, const octave_int<T>& y) \ |
|
|
452 { \ |
|
|
453 double ty = static_cast<double> (y.value ()); \ |
|
|
454 double r = x OP ty; \ |
|
4968
|
455 r = lo_ieee_isnan (r) ? 0 : xround (r); \ |
|
4953
|
456 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
|
|
457 } |
|
|
458 |
|
|
459 OCTAVE_DOUBLE_INT_BIN_OP(+) |
|
|
460 OCTAVE_DOUBLE_INT_BIN_OP(-) |
|
|
461 OCTAVE_DOUBLE_INT_BIN_OP(*) |
|
|
462 OCTAVE_DOUBLE_INT_BIN_OP(/) |
|
4902
|
463 |
|
5029
|
464 #define OCTAVE_INT_DOUBLE_CMP_OP(OP) \ |
|
|
465 template <class T> \ |
|
|
466 bool \ |
|
|
467 operator OP (const octave_int<T>& x, const double& y) \ |
|
|
468 { \ |
|
|
469 double tx = static_cast<double> (x.value ()); \ |
|
5030
|
470 return tx OP y; \ |
|
5029
|
471 } |
|
|
472 |
|
|
473 OCTAVE_INT_DOUBLE_CMP_OP (<) |
|
|
474 OCTAVE_INT_DOUBLE_CMP_OP (<=) |
|
|
475 OCTAVE_INT_DOUBLE_CMP_OP (>=) |
|
|
476 OCTAVE_INT_DOUBLE_CMP_OP (>) |
|
|
477 OCTAVE_INT_DOUBLE_CMP_OP (==) |
|
|
478 OCTAVE_INT_DOUBLE_CMP_OP (!=) |
|
|
479 |
|
|
480 #define OCTAVE_DOUBLE_INT_CMP_OP(OP) \ |
|
|
481 template <class T> \ |
|
|
482 bool \ |
|
|
483 operator OP (const double& x, const octave_int<T>& y) \ |
|
|
484 { \ |
|
|
485 double ty = static_cast<double> (y.value ()); \ |
|
5030
|
486 return x OP ty; \ |
|
5029
|
487 } |
|
|
488 |
|
|
489 OCTAVE_DOUBLE_INT_CMP_OP (<) |
|
|
490 OCTAVE_DOUBLE_INT_CMP_OP (<=) |
|
|
491 OCTAVE_DOUBLE_INT_CMP_OP (>=) |
|
|
492 OCTAVE_DOUBLE_INT_CMP_OP (>) |
|
|
493 OCTAVE_DOUBLE_INT_CMP_OP (==) |
|
|
494 OCTAVE_DOUBLE_INT_CMP_OP (!=) |
|
|
495 |
|
4906
|
496 #define OCTAVE_INT_BITCMP_OP(OP) \ |
|
|
497 template <class T> \ |
|
|
498 octave_int<T> \ |
|
|
499 operator OP (const octave_int<T>& x, const octave_int<T>& y) \ |
|
|
500 { \ |
|
|
501 return x.value () OP y.value (); \ |
|
|
502 } |
|
|
503 |
|
|
504 OCTAVE_INT_BITCMP_OP (&) |
|
|
505 OCTAVE_INT_BITCMP_OP (|) |
|
|
506 OCTAVE_INT_BITCMP_OP (^) |
|
|
507 |
|
4952
|
508 template <class T1, class T2> |
|
|
509 octave_int<T1> |
|
|
510 operator << (const octave_int<T1>& x, const T2& y) |
|
|
511 { |
|
5030
|
512 octave_int<T1> retval = x; |
|
4952
|
513 return retval <<= y; |
|
|
514 } |
|
4906
|
515 |
|
4952
|
516 template <class T1, class T2> |
|
|
517 octave_int<T1> |
|
|
518 operator >> (const octave_int<T1>& x, const T2& y) |
|
|
519 { |
|
5030
|
520 octave_int<T1> retval = x; |
|
4952
|
521 return retval >>= y; |
|
|
522 } |
|
4906
|
523 |
|
4909
|
524 template <class T> |
|
|
525 octave_int<T> |
|
4920
|
526 bitshift (const octave_int<T>& a, int n, |
|
|
527 const octave_int<T>& mask = std::numeric_limits<T>::max ()) |
|
4909
|
528 { |
|
|
529 if (n > 0) |
|
4952
|
530 return (a << n) & mask; |
|
4909
|
531 else if (n < 0) |
|
4952
|
532 return (a >> -n) & mask; |
|
4909
|
533 else |
|
|
534 return a; |
|
|
535 } |
|
|
536 |
|
4902
|
537 #define OCTAVE_INT_CMP_OP(OP) \ |
|
|
538 template <class T1, class T2> \ |
|
|
539 bool \ |
|
|
540 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ |
|
|
541 { \ |
|
5072
|
542 return x.value () OP y.value (); \ |
|
4906
|
543 } |
|
4902
|
544 |
|
|
545 OCTAVE_INT_CMP_OP (<) |
|
|
546 OCTAVE_INT_CMP_OP (<=) |
|
|
547 OCTAVE_INT_CMP_OP (>=) |
|
|
548 OCTAVE_INT_CMP_OP (>) |
|
|
549 OCTAVE_INT_CMP_OP (==) |
|
|
550 OCTAVE_INT_CMP_OP (!=) |
|
|
551 |
|
5072
|
552 // The following apply if the unsigned type is at least as wide as the |
|
|
553 // signed type (then we can cast postive signed values to the unsigned |
|
|
554 // type and compare). |
|
|
555 |
|
|
556 #define OCTAVE_US_TYPE1_CMP_OP_DECL(OP, LTZ_VAL, UT, ST) \ |
|
|
557 bool operator OP (const octave_int<UT>& lhs, const octave_int<ST>& rhs); |
|
|
558 |
|
|
559 #define OCTAVE_US_TYPE1_CMP_OP_DECLS(UT, ST) \ |
|
|
560 OCTAVE_US_TYPE1_CMP_OP_DECL (<, false, UT, ST) \ |
|
|
561 OCTAVE_US_TYPE1_CMP_OP_DECL (<=, false, UT, ST) \ |
|
|
562 OCTAVE_US_TYPE1_CMP_OP_DECL (>=, true, UT, ST) \ |
|
|
563 OCTAVE_US_TYPE1_CMP_OP_DECL (>, true, UT, ST) \ |
|
|
564 OCTAVE_US_TYPE1_CMP_OP_DECL (==, false, UT, ST) \ |
|
|
565 OCTAVE_US_TYPE1_CMP_OP_DECL (!=, true, UT, ST) |
|
|
566 |
|
|
567 #define OCTAVE_SU_TYPE1_CMP_OP_DECL(OP, LTZ_VAL, ST, UT) \ |
|
|
568 bool operator OP (const octave_int<ST>& lhs, const octave_int<UT>& rhs); |
|
|
569 |
|
|
570 #define OCTAVE_SU_TYPE1_CMP_OP_DECLS(ST, UT) \ |
|
|
571 OCTAVE_SU_TYPE1_CMP_OP_DECL (<, true, ST, UT) \ |
|
|
572 OCTAVE_SU_TYPE1_CMP_OP_DECL (<=, true, ST, UT) \ |
|
|
573 OCTAVE_SU_TYPE1_CMP_OP_DECL (>=, false, ST, UT) \ |
|
|
574 OCTAVE_SU_TYPE1_CMP_OP_DECL (>, false, ST, UT) \ |
|
|
575 OCTAVE_SU_TYPE1_CMP_OP_DECL (==, false, ST, UT) \ |
|
|
576 OCTAVE_SU_TYPE1_CMP_OP_DECL (!=, true, ST, UT) |
|
|
577 |
|
|
578 #define OCTAVE_TYPE1_CMP_OP_DECLS(UT, ST) \ |
|
|
579 OCTAVE_US_TYPE1_CMP_OP_DECLS (UT, ST) \ |
|
|
580 OCTAVE_SU_TYPE1_CMP_OP_DECLS (ST, UT) |
|
|
581 |
|
|
582 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint32_t, octave_int8_t) |
|
|
583 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint32_t, octave_int16_t) |
|
|
584 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint32_t, octave_int32_t) |
|
|
585 |
|
|
586 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int8_t) |
|
|
587 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int16_t) |
|
|
588 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int32_t) |
|
|
589 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int64_t) |
|
|
590 |
|
|
591 // The following apply if the signed type is wider than the unsigned |
|
|
592 // type (then we can cast unsigned values to the signed type and |
|
|
593 // compare if the signed value is positive). |
|
|
594 |
|
|
595 #define OCTAVE_US_TYPE2_CMP_OP_DECL(OP, LTZ_VAL, UT, ST) \ |
|
|
596 bool operator OP (const octave_int<UT>& lhs, const octave_int<ST>& rhs); |
|
|
597 |
|
|
598 #define OCTAVE_US_TYPE2_CMP_OP_DECLS(ST, UT) \ |
|
|
599 OCTAVE_US_TYPE2_CMP_OP_DECL (<, false, ST, UT) \ |
|
|
600 OCTAVE_US_TYPE2_CMP_OP_DECL (<=, false, ST, UT) \ |
|
|
601 OCTAVE_US_TYPE2_CMP_OP_DECL (>=, true, ST, UT) \ |
|
|
602 OCTAVE_US_TYPE2_CMP_OP_DECL (>, true, ST, UT) \ |
|
|
603 OCTAVE_US_TYPE2_CMP_OP_DECL (==, false, ST, UT) \ |
|
|
604 OCTAVE_US_TYPE2_CMP_OP_DECL (!=, true, ST, UT) |
|
|
605 |
|
|
606 #define OCTAVE_SU_TYPE2_CMP_OP_DECL(OP, LTZ_VAL, ST, UT) \ |
|
|
607 bool operator OP (const octave_int<ST>& lhs, const octave_int<UT>& rhs); |
|
|
608 |
|
|
609 #define OCTAVE_SU_TYPE2_CMP_OP_DECLS(ST, UT) \ |
|
|
610 OCTAVE_SU_TYPE2_CMP_OP_DECL (<, true, ST, UT) \ |
|
|
611 OCTAVE_SU_TYPE2_CMP_OP_DECL (<=, true, ST, UT) \ |
|
|
612 OCTAVE_SU_TYPE2_CMP_OP_DECL (>=, false, ST, UT) \ |
|
|
613 OCTAVE_SU_TYPE2_CMP_OP_DECL (>, false, ST, UT) \ |
|
|
614 OCTAVE_SU_TYPE2_CMP_OP_DECL (==, false, ST, UT) \ |
|
|
615 OCTAVE_SU_TYPE2_CMP_OP_DECL (!=, true, ST, UT) |
|
|
616 |
|
|
617 #define OCTAVE_TYPE2_CMP_OP_DECLS(UT, ST) \ |
|
|
618 OCTAVE_US_TYPE2_CMP_OP_DECLS (UT, ST) \ |
|
|
619 OCTAVE_SU_TYPE2_CMP_OP_DECLS (ST, UT) |
|
|
620 |
|
|
621 OCTAVE_TYPE2_CMP_OP_DECLS (octave_uint32_t, octave_int64_t) |
|
|
622 |
|
4902
|
623 #undef OCTAVE_INT_BINOP_TRAIT |
|
5072
|
624 #undef OCTAVE_US_S_FTR |
|
|
625 #undef OCTAVE_US_S_FTR_FCNS |
|
|
626 #undef OCTAVE_S_US_FTR |
|
|
627 #undef OCTAVE_S_US_FTR_FCNS |
|
4902
|
628 #undef OCTAVE_INT_FIT_TO_RANGE |
|
|
629 #undef OCTAVE_INT_MIN_VAL2 |
|
|
630 #undef OCTAVE_INT_MAX_VAL2 |
|
|
631 #undef OCTAVE_INT_FIT_TO_RANGE2 |
|
|
632 #undef OCTAVE_INT_BIN_OP |
|
5072
|
633 #undef OCTAVE_INT_DOUBLE_BIN_OP |
|
|
634 #undef OCTAVE_DOUBLE_INT_BIN_OP |
|
|
635 #undef OCTAVE_INT_DOUBLE_CMP_OP |
|
|
636 #undef OCTAVE_DOUBLE_INT_CMP_OP |
|
|
637 #undef OCTAVE_INT_BITCMP_OP |
|
4902
|
638 #undef OCTAVE_INT_CMP_OP |
|
5072
|
639 #undef OCTAVE_US_TYPE1_CMP_OP_DECL |
|
|
640 #undef OCTAVE_US_TYPE1_CMP_OP_DECLS |
|
|
641 #undef OCTAVE_SU_TYPE1_CMP_OP_DECL |
|
|
642 #undef OCTAVE_SU_TYPE1_CMP_OP_DECLS |
|
|
643 #undef OCTAVE_TYPE1_CMP_OP_DECLS |
|
|
644 #undef OCTAVE_US_TYPE2_CMP_OP_DECL |
|
|
645 #undef OCTAVE_US_TYPE2_CMP_OP_DECLS |
|
|
646 #undef OCTAVE_SU_TYPE2_CMP_OP_DECL |
|
|
647 #undef OCTAVE_SU_TYPE2_CMP_OP_DECLS |
|
5074
|
648 #undef OCTAVE_TYPE2_CMP_OP_DECLS |
|
4902
|
649 |
|
|
650 #endif |
|
|
651 |
|
|
652 /* |
|
|
653 ;;; Local Variables: *** |
|
|
654 ;;; mode: C++ *** |
|
|
655 ;;; End: *** |
|
|
656 */ |
