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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_inttypes_h) |
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25 #define octave_inttypes_h 1 |
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26 |
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27 #include <limits> |
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28 #include <iostream> |
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29 |
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30 #include "data-conv.h" |
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31 #include "lo-ieee.h" |
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32 #include "lo-mappers.h" |
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33 |
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34 typedef signed char octave_int8_t; |
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35 typedef TWO_BYTE_INT octave_int16_t; |
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36 typedef FOUR_BYTE_INT octave_int32_t; |
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37 typedef EIGHT_BYTE_INT octave_int64_t; |
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38 |
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39 typedef unsigned char octave_uint8_t; |
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40 typedef unsigned TWO_BYTE_INT octave_uint16_t; |
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41 typedef unsigned FOUR_BYTE_INT octave_uint32_t; |
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42 typedef unsigned EIGHT_BYTE_INT octave_uint64_t; |
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43 |
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44 template <class T1, class T2> |
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45 class |
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46 octave_int_binop_traits |
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47 { |
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48 public: |
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49 // The return type for a T1 by T2 binary operation. |
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50 typedef T1 TR; |
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51 }; |
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52 |
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53 #define OCTAVE_INT_BINOP_TRAIT(T1, T2, T3) \ |
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54 template<> \ |
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55 class octave_int_binop_traits <T1, T2> \ |
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56 { \ |
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57 public: \ |
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58 typedef T3 TR; \ |
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59 } |
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60 |
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61 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int8_t, octave_int8_t); |
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62 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int16_t, octave_int8_t); |
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63 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int32_t, octave_int8_t); |
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64 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_int64_t, octave_int8_t); |
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65 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint8_t, octave_int8_t); |
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66 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint16_t, octave_int8_t); |
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67 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint32_t, octave_int8_t); |
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68 OCTAVE_INT_BINOP_TRAIT (octave_int8_t, octave_uint64_t, octave_int8_t); |
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69 |
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70 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int8_t, octave_int16_t); |
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71 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int16_t, octave_int16_t); |
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72 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int32_t, octave_int16_t); |
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73 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_int64_t, octave_int16_t); |
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74 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint8_t, octave_int16_t); |
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75 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint16_t, octave_int16_t); |
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76 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint32_t, octave_int16_t); |
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77 OCTAVE_INT_BINOP_TRAIT (octave_int16_t, octave_uint64_t, octave_int16_t); |
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78 |
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79 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int8_t, octave_int32_t); |
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80 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int16_t, octave_int32_t); |
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81 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int32_t, octave_int32_t); |
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82 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_int64_t, octave_int32_t); |
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83 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint8_t, octave_int32_t); |
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84 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint16_t, octave_int32_t); |
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85 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint32_t, octave_int32_t); |
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86 OCTAVE_INT_BINOP_TRAIT (octave_int32_t, octave_uint64_t, octave_int32_t); |
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87 |
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88 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int8_t, octave_int64_t); |
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89 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int16_t, octave_int64_t); |
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90 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int32_t, octave_int64_t); |
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91 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_int64_t, octave_int64_t); |
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92 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint8_t, octave_int64_t); |
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93 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint16_t, octave_int64_t); |
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94 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint32_t, octave_int64_t); |
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95 OCTAVE_INT_BINOP_TRAIT (octave_int64_t, octave_uint64_t, octave_int64_t); |
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96 |
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97 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int8_t, octave_int8_t); |
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98 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int16_t, octave_int8_t); |
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99 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int32_t, octave_int8_t); |
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100 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_int64_t, octave_int8_t); |
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101 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint8_t, octave_uint8_t); |
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102 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint16_t, octave_uint8_t); |
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103 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint32_t, octave_uint8_t); |
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104 OCTAVE_INT_BINOP_TRAIT (octave_uint8_t, octave_uint64_t, octave_uint8_t); |
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105 |
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106 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int8_t, octave_int16_t); |
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107 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int16_t, octave_int16_t); |
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108 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int32_t, octave_int16_t); |
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109 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_int64_t, octave_int16_t); |
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110 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint8_t, octave_uint16_t); |
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111 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint16_t, octave_uint16_t); |
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112 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint32_t, octave_uint16_t); |
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113 OCTAVE_INT_BINOP_TRAIT (octave_uint16_t, octave_uint64_t, octave_uint16_t); |
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114 |
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115 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int8_t, octave_int32_t); |
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116 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int16_t, octave_int32_t); |
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117 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int32_t, octave_int32_t); |
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118 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_int64_t, octave_int32_t); |
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119 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint8_t, octave_uint32_t); |
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120 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint16_t, octave_uint32_t); |
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121 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint32_t, octave_uint32_t); |
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122 OCTAVE_INT_BINOP_TRAIT (octave_uint32_t, octave_uint64_t, octave_uint32_t); |
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123 |
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124 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int8_t, octave_int64_t); |
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125 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int16_t, octave_int64_t); |
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126 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int32_t, octave_int64_t); |
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127 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_int64_t, octave_int64_t); |
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128 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint8_t, octave_uint64_t); |
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129 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint16_t, octave_uint64_t); |
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130 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint32_t, octave_uint64_t); |
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131 OCTAVE_INT_BINOP_TRAIT (octave_uint64_t, octave_uint64_t, octave_uint64_t); |
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132 |
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133 template <class T1, class T2> |
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134 inline T2 |
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135 octave_int_fit_to_range (const T1& x, const T2& mn, const T2& mx) |
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136 { |
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137 return (x > mx ? mx : (x < mn ? mn : T2 (x))); |
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138 } |
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139 |
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140 // If X is unsigned and the new type is signed, then we only have to |
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141 // check the upper limit, but we should cast the maximum value of the |
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142 // new type to an unsigned type before performing the comparison. |
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143 // This should always be OK because the maximum value should always be |
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144 // positive. |
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145 |
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146 #define OCTAVE_US_S_FTR(T1, T2, TC) \ |
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147 template <> \ |
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148 inline T2 \ |
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149 octave_int_fit_to_range<T1, T2> (const T1& x, const T2&, const T2& mx) \ |
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150 { \ |
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151 return x > static_cast<TC> (mx) ? mx : x; \ |
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152 } |
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153 |
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154 #define OCTAVE_US_S_FTR_FCNS(T) \ |
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155 OCTAVE_US_S_FTR (T, char, unsigned char) \ |
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156 OCTAVE_US_S_FTR (T, signed char, unsigned char) \ |
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157 OCTAVE_US_S_FTR (T, short, unsigned short) \ |
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158 OCTAVE_US_S_FTR (T, int, unsigned int) \ |
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159 OCTAVE_US_S_FTR (T, long, unsigned long) \ |
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160 OCTAVE_US_S_FTR (T, long long, unsigned long long) |
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161 |
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162 OCTAVE_US_S_FTR_FCNS (unsigned char) |
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163 OCTAVE_US_S_FTR_FCNS (unsigned short) |
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164 OCTAVE_US_S_FTR_FCNS (unsigned int) |
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165 OCTAVE_US_S_FTR_FCNS (unsigned long) |
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166 OCTAVE_US_S_FTR_FCNS (unsigned long long) |
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167 |
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168 // If X is signed and the new type is unsigned, then we only have to |
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169 // check the lower limit (which will always be 0 for an unsigned |
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170 // type). The upper limit will be enforced correctly by converting to |
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171 // the new type, even if the type of X is wider than the new type. |
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172 |
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173 #define OCTAVE_S_US_FTR(T1, T2) \ |
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174 template <> \ |
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175 inline T2 \ |
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176 octave_int_fit_to_range<T1, T2> (const T1& x, const T2&, const T2&) \ |
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177 { \ |
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178 return x <= 0 ? 0 : x; \ |
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179 } |
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180 |
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181 #define OCTAVE_S_US_FTR_FCNS(T) \ |
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182 OCTAVE_S_US_FTR (T, unsigned char) \ |
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183 OCTAVE_S_US_FTR (T, unsigned short) \ |
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184 OCTAVE_S_US_FTR (T, unsigned int) \ |
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185 OCTAVE_S_US_FTR (T, unsigned long) \ |
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186 OCTAVE_S_US_FTR (T, unsigned long long) |
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187 |
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188 OCTAVE_S_US_FTR_FCNS (char) |
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189 OCTAVE_S_US_FTR_FCNS (signed char) |
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190 OCTAVE_S_US_FTR_FCNS (short) |
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191 OCTAVE_S_US_FTR_FCNS (int) |
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192 OCTAVE_S_US_FTR_FCNS (long) |
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193 OCTAVE_S_US_FTR_FCNS (long long) |
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194 |
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195 #define OCTAVE_INT_FIT_TO_RANGE(r, T) \ |
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196 octave_int_fit_to_range (r, \ |
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197 std::numeric_limits<T>::min (), \ |
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198 std::numeric_limits<T>::max ()) |
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199 |
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200 #define OCTAVE_INT_MIN_VAL2(T1, T2) \ |
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201 std::numeric_limits<typename octave_int_binop_traits<T1, T2>::TR>::min () |
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202 |
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203 #define OCTAVE_INT_MAX_VAL2(T1, T2) \ |
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204 std::numeric_limits<typename octave_int_binop_traits<T1, T2>::TR>::max () |
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205 |
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206 #define OCTAVE_INT_FIT_TO_RANGE2(r, T1, T2) \ |
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207 octave_int_fit_to_range (r, \ |
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208 OCTAVE_INT_MIN_VAL2 (T1, T2), \ |
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209 OCTAVE_INT_MAX_VAL2 (T1, T2)) |
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210 |
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211 template <class T> |
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212 class |
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213 octave_int |
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214 { |
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215 public: |
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216 |
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217 typedef T val_type; |
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218 |
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219 octave_int (void) : ival () { } |
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220 |
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221 template <class U> |
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222 octave_int (U i) : ival (OCTAVE_INT_FIT_TO_RANGE (i, T)) { } |
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223 |
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224 octave_int (bool b) : ival (b) { } |
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225 |
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226 template <class U> |
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227 octave_int (const octave_int<U>& i) |
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228 : ival (OCTAVE_INT_FIT_TO_RANGE (i.value (), T)) { } |
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229 |
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230 octave_int (const octave_int<T>& i) : ival (i.ival) { } |
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231 |
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232 octave_int& operator = (const octave_int<T>& i) |
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233 { |
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234 ival = i.ival; |
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235 return *this; |
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236 } |
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237 |
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238 ~octave_int (void) { } |
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239 |
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240 T value (void) const { return ival; } |
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241 |
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242 const unsigned char * iptr (void) const |
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243 { return reinterpret_cast<const unsigned char *> (& ival); } |
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244 |
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245 bool operator ! (void) const { return ! ival; } |
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246 |
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247 octave_int<T> operator + (void) const { return *this; } |
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248 |
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249 octave_int<T> operator - (void) const |
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250 { |
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251 // Can't just return -ival because signed types are not |
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252 // symmetric, which causes things like -intmin("int32") to be the |
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253 // same as intmin("int32") instead of intmax("int32") (which is |
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254 // what we should get with saturation semantics). |
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255 |
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256 return std::numeric_limits<T>::is_signed ? |
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257 OCTAVE_INT_FIT_TO_RANGE (- static_cast<double> (ival), T) : 0; |
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258 } |
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259 |
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260 operator double (void) const { return static_cast<double> (value ()); } |
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261 |
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262 operator float (void) const { return static_cast<float> (value ()); } |
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263 |
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264 octave_int<T>& operator += (const octave_int<T>& x) |
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265 { |
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266 double t = static_cast<double> (value ()); |
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267 double tx = static_cast<double> (x.value ()); |
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268 ival = OCTAVE_INT_FIT_TO_RANGE (t + tx, T); |
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269 return *this; |
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270 } |
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271 |
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272 octave_int<T>& operator -= (const octave_int<T>& x) |
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273 { |
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274 double t = static_cast<double> (value ()); |
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275 double tx = static_cast<double> (x.value ()); |
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276 ival = OCTAVE_INT_FIT_TO_RANGE (t - tx, T); |
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277 return *this; |
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278 } |
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279 |
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280 octave_int<T>& operator *= (const octave_int<T>& x) |
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281 { |
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282 double t = static_cast<double> (value ()); |
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283 double tx = static_cast<double> (x.value ()); |
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284 ival = OCTAVE_INT_FIT_TO_RANGE (t * tx, T); |
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285 return *this; |
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286 } |
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287 |
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288 octave_int<T>& operator /= (const octave_int<T>& x) |
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289 { |
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290 double t = static_cast<double> (value ()); |
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291 double tx = static_cast<double> (x.value ()); |
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292 double r = (t == 0 && tx == 0) ? 0 : xround (t / tx); |
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293 ival = OCTAVE_INT_FIT_TO_RANGE (r, T); |
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294 return *this; |
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295 } |
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296 |
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297 template <class T2> |
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298 octave_int<T>& operator <<= (const T2& x) |
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299 { |
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300 ival = ((ival << x) > std::numeric_limits<T>::max ()) ? 0 : (ival << x); |
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301 return *this; |
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302 } |
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303 |
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304 template <class T2> |
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305 octave_int<T>& operator >>= (const T2& x) |
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306 { |
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307 ival >>= x; |
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308 return *this; |
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309 } |
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310 |
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311 octave_int<T> min (void) const { return std::numeric_limits<T>::min (); } |
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312 octave_int<T> max (void) const { return std::numeric_limits<T>::max (); } |
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313 |
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314 static int nbits (void) { return sizeof (T) * CHAR_BIT; } |
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315 |
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316 static int byte_size (void) { return sizeof(T); } |
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317 |
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318 private: |
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319 |
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320 T ival; |
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321 }; |
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322 |
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323 template <class T> |
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324 octave_int<T> |
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325 pow (const octave_int<T>& a, const octave_int<T>& b) |
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326 { |
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327 octave_int<T> retval; |
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328 |
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329 octave_int<T> zero = octave_int<T> (0); |
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330 octave_int<T> one = octave_int<T> (1); |
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331 |
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332 if (b == zero) |
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333 retval = one; |
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334 else if (b < zero) |
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335 retval = zero; |
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336 else |
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337 { |
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338 octave_int<T> a_val = a; |
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339 octave_int<T> b_val = b; |
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340 |
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341 retval = a; |
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342 |
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343 b_val -= 1; |
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344 |
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345 while (b_val != zero) |
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346 { |
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347 if ((b_val & one) != zero) |
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348 retval = retval * a_val; |
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349 |
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350 b_val = b_val >> 1; |
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351 |
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352 if (b_val > zero) |
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353 a_val = a_val * a_val; |
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354 } |
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355 } |
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356 |
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357 return retval; |
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358 } |
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359 |
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360 template <class T> |
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361 octave_int<T> |
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362 pow (double a, const octave_int<T>& b) |
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363 { |
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364 double tb = static_cast<double> (b.value ()); |
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365 double r = pow (a, tb); |
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366 r = lo_ieee_isnan (r) ? 0 : xround (r); |
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367 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
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368 } |
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369 |
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370 template <class T> |
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371 octave_int<T> |
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372 pow (const octave_int<T>& a, double b) |
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373 { |
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374 double ta = static_cast<double> (a.value ()); |
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375 double r = pow (ta, b); |
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376 r = lo_ieee_isnan (r) ? 0 : xround (r); |
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377 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
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378 } |
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379 |
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380 template <class T> |
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381 std::ostream& |
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382 operator << (std::ostream& os, const octave_int<T>& ival) |
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383 { |
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384 os << ival.value (); |
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385 return os; |
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386 } |
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387 |
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388 template <class T> |
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389 std::istream& |
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390 operator >> (std::istream& is, octave_int<T>& ival) |
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391 { |
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392 T tmp = 0; |
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393 is >> tmp; |
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394 ival = tmp; |
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395 return is; |
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396 } |
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397 |
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398 typedef octave_int<octave_int8_t> octave_int8; |
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399 typedef octave_int<octave_int16_t> octave_int16; |
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400 typedef octave_int<octave_int32_t> octave_int32; |
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401 typedef octave_int<octave_int64_t> octave_int64; |
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402 |
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403 typedef octave_int<octave_uint8_t> octave_uint8; |
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404 typedef octave_int<octave_uint16_t> octave_uint16; |
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405 typedef octave_int<octave_uint32_t> octave_uint32; |
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406 typedef octave_int<octave_uint64_t> octave_uint64; |
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407 |
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408 #define OCTAVE_INT_BIN_OP(OP) \ |
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409 template <class T1, class T2> \ |
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410 octave_int<typename octave_int_binop_traits<T1, T2>::TR> \ |
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411 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ |
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412 { \ |
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413 double tx = static_cast<double> (x.value ()); \ |
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414 double ty = static_cast<double> (y.value ()); \ |
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415 double r = tx OP ty; \ |
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416 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); \ |
4906
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417 } |
4902
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418 |
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419 OCTAVE_INT_BIN_OP(+) |
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420 OCTAVE_INT_BIN_OP(-) |
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421 OCTAVE_INT_BIN_OP(*) |
4953
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422 |
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423 template <class T1, class T2> |
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424 octave_int<typename octave_int_binop_traits<T1, T2>::TR> |
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425 operator / (const octave_int<T1>& x, const octave_int<T2>& y) |
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426 { |
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427 double tx = static_cast<double> (x.value ()); |
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428 double ty = static_cast<double> (y.value ()); |
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429 double r = (tx == 0 && ty == 0) ? 0 : tx / ty; |
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430 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); |
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431 } |
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432 |
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433 #define OCTAVE_INT_DOUBLE_BIN_OP(OP) \ |
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434 template <class T> \ |
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435 octave_int<T> \ |
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436 operator OP (const octave_int<T>& x, double y) \ |
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437 { \ |
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438 double tx = static_cast<double> (x.value ()); \ |
4968
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439 double r = xround (tx OP y); \ |
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440 r = lo_ieee_isnan (r) ? 0 : xround (r); \ |
4953
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441 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
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442 } |
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443 |
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444 OCTAVE_INT_DOUBLE_BIN_OP(+) |
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445 OCTAVE_INT_DOUBLE_BIN_OP(-) |
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446 OCTAVE_INT_DOUBLE_BIN_OP(*) |
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447 OCTAVE_INT_DOUBLE_BIN_OP(/) |
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448 |
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449 #define OCTAVE_DOUBLE_INT_BIN_OP(OP) \ |
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450 template <class T> \ |
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451 octave_int<T> \ |
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452 operator OP (double x, const octave_int<T>& y) \ |
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453 { \ |
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454 double ty = static_cast<double> (y.value ()); \ |
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455 double r = x OP ty; \ |
4968
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456 r = lo_ieee_isnan (r) ? 0 : xround (r); \ |
4953
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457 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
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458 } |
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459 |
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460 OCTAVE_DOUBLE_INT_BIN_OP(+) |
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461 OCTAVE_DOUBLE_INT_BIN_OP(-) |
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462 OCTAVE_DOUBLE_INT_BIN_OP(*) |
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463 OCTAVE_DOUBLE_INT_BIN_OP(/) |
4902
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464 |
5029
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465 #define OCTAVE_INT_DOUBLE_CMP_OP(OP) \ |
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466 template <class T> \ |
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467 bool \ |
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468 operator OP (const octave_int<T>& x, const double& y) \ |
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469 { \ |
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470 double tx = static_cast<double> (x.value ()); \ |
5030
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471 return tx OP y; \ |
5029
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472 } |
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473 |
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474 OCTAVE_INT_DOUBLE_CMP_OP (<) |
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475 OCTAVE_INT_DOUBLE_CMP_OP (<=) |
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476 OCTAVE_INT_DOUBLE_CMP_OP (>=) |
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477 OCTAVE_INT_DOUBLE_CMP_OP (>) |
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478 OCTAVE_INT_DOUBLE_CMP_OP (==) |
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479 OCTAVE_INT_DOUBLE_CMP_OP (!=) |
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480 |
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481 #define OCTAVE_DOUBLE_INT_CMP_OP(OP) \ |
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482 template <class T> \ |
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483 bool \ |
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484 operator OP (const double& x, const octave_int<T>& y) \ |
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485 { \ |
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486 double ty = static_cast<double> (y.value ()); \ |
5030
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487 return x OP ty; \ |
5029
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488 } |
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489 |
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490 OCTAVE_DOUBLE_INT_CMP_OP (<) |
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491 OCTAVE_DOUBLE_INT_CMP_OP (<=) |
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492 OCTAVE_DOUBLE_INT_CMP_OP (>=) |
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493 OCTAVE_DOUBLE_INT_CMP_OP (>) |
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494 OCTAVE_DOUBLE_INT_CMP_OP (==) |
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495 OCTAVE_DOUBLE_INT_CMP_OP (!=) |
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496 |
4906
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497 #define OCTAVE_INT_BITCMP_OP(OP) \ |
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498 template <class T> \ |
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499 octave_int<T> \ |
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500 operator OP (const octave_int<T>& x, const octave_int<T>& y) \ |
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501 { \ |
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502 return x.value () OP y.value (); \ |
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503 } |
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504 |
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505 OCTAVE_INT_BITCMP_OP (&) |
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506 OCTAVE_INT_BITCMP_OP (|) |
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507 OCTAVE_INT_BITCMP_OP (^) |
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508 |
4952
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509 template <class T1, class T2> |
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510 octave_int<T1> |
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511 operator << (const octave_int<T1>& x, const T2& y) |
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512 { |
5030
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513 octave_int<T1> retval = x; |
4952
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514 return retval <<= y; |
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515 } |
4906
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516 |
4952
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517 template <class T1, class T2> |
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518 octave_int<T1> |
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519 operator >> (const octave_int<T1>& x, const T2& y) |
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520 { |
5030
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521 octave_int<T1> retval = x; |
4952
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522 return retval >>= y; |
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523 } |
4906
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524 |
4909
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525 template <class T> |
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526 octave_int<T> |
4920
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527 bitshift (const octave_int<T>& a, int n, |
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528 const octave_int<T>& mask = std::numeric_limits<T>::max ()) |
4909
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529 { |
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530 if (n > 0) |
4952
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531 return (a << n) & mask; |
4909
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532 else if (n < 0) |
4952
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533 return (a >> -n) & mask; |
4909
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534 else |
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535 return a; |
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536 } |
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537 |
4902
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538 #define OCTAVE_INT_CMP_OP(OP) \ |
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539 template <class T1, class T2> \ |
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540 bool \ |
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541 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ |
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542 { \ |
5072
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543 return x.value () OP y.value (); \ |
4906
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544 } |
4902
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545 |
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546 OCTAVE_INT_CMP_OP (<) |
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547 OCTAVE_INT_CMP_OP (<=) |
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548 OCTAVE_INT_CMP_OP (>=) |
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549 OCTAVE_INT_CMP_OP (>) |
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550 OCTAVE_INT_CMP_OP (==) |
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551 OCTAVE_INT_CMP_OP (!=) |
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552 |
5072
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553 // The following apply if the unsigned type is at least as wide as the |
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554 // signed type (then we can cast postive signed values to the unsigned |
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555 // type and compare). |
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556 |
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557 #define OCTAVE_US_TYPE1_CMP_OP_DECL(OP, LTZ_VAL, UT, ST) \ |
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558 bool operator OP (const octave_int<UT>& lhs, const octave_int<ST>& rhs); |
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559 |
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560 #define OCTAVE_US_TYPE1_CMP_OP_DECLS(UT, ST) \ |
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561 OCTAVE_US_TYPE1_CMP_OP_DECL (<, false, UT, ST) \ |
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562 OCTAVE_US_TYPE1_CMP_OP_DECL (<=, false, UT, ST) \ |
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563 OCTAVE_US_TYPE1_CMP_OP_DECL (>=, true, UT, ST) \ |
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564 OCTAVE_US_TYPE1_CMP_OP_DECL (>, true, UT, ST) \ |
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565 OCTAVE_US_TYPE1_CMP_OP_DECL (==, false, UT, ST) \ |
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566 OCTAVE_US_TYPE1_CMP_OP_DECL (!=, true, UT, ST) |
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567 |
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568 #define OCTAVE_SU_TYPE1_CMP_OP_DECL(OP, LTZ_VAL, ST, UT) \ |
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569 bool operator OP (const octave_int<ST>& lhs, const octave_int<UT>& rhs); |
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570 |
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571 #define OCTAVE_SU_TYPE1_CMP_OP_DECLS(ST, UT) \ |
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572 OCTAVE_SU_TYPE1_CMP_OP_DECL (<, true, ST, UT) \ |
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573 OCTAVE_SU_TYPE1_CMP_OP_DECL (<=, true, ST, UT) \ |
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574 OCTAVE_SU_TYPE1_CMP_OP_DECL (>=, false, ST, UT) \ |
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575 OCTAVE_SU_TYPE1_CMP_OP_DECL (>, false, ST, UT) \ |
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576 OCTAVE_SU_TYPE1_CMP_OP_DECL (==, false, ST, UT) \ |
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577 OCTAVE_SU_TYPE1_CMP_OP_DECL (!=, true, ST, UT) |
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578 |
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579 #define OCTAVE_TYPE1_CMP_OP_DECLS(UT, ST) \ |
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580 OCTAVE_US_TYPE1_CMP_OP_DECLS (UT, ST) \ |
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581 OCTAVE_SU_TYPE1_CMP_OP_DECLS (ST, UT) |
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582 |
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583 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint32_t, octave_int8_t) |
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584 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint32_t, octave_int16_t) |
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585 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint32_t, octave_int32_t) |
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586 |
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587 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int8_t) |
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588 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int16_t) |
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589 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int32_t) |
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590 OCTAVE_TYPE1_CMP_OP_DECLS (octave_uint64_t, octave_int64_t) |
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591 |
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592 // The following apply if the signed type is wider than the unsigned |
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593 // type (then we can cast unsigned values to the signed type and |
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594 // compare if the signed value is positive). |
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595 |
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596 #define OCTAVE_US_TYPE2_CMP_OP_DECL(OP, LTZ_VAL, UT, ST) \ |
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597 bool operator OP (const octave_int<UT>& lhs, const octave_int<ST>& rhs); |
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598 |
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599 #define OCTAVE_US_TYPE2_CMP_OP_DECLS(ST, UT) \ |
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600 OCTAVE_US_TYPE2_CMP_OP_DECL (<, false, ST, UT) \ |
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601 OCTAVE_US_TYPE2_CMP_OP_DECL (<=, false, ST, UT) \ |
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602 OCTAVE_US_TYPE2_CMP_OP_DECL (>=, true, ST, UT) \ |
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603 OCTAVE_US_TYPE2_CMP_OP_DECL (>, true, ST, UT) \ |
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604 OCTAVE_US_TYPE2_CMP_OP_DECL (==, false, ST, UT) \ |
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605 OCTAVE_US_TYPE2_CMP_OP_DECL (!=, true, ST, UT) |
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606 |
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607 #define OCTAVE_SU_TYPE2_CMP_OP_DECL(OP, LTZ_VAL, ST, UT) \ |
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608 bool operator OP (const octave_int<ST>& lhs, const octave_int<UT>& rhs); |
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609 |
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610 #define OCTAVE_SU_TYPE2_CMP_OP_DECLS(ST, UT) \ |
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611 OCTAVE_SU_TYPE2_CMP_OP_DECL (<, true, ST, UT) \ |
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612 OCTAVE_SU_TYPE2_CMP_OP_DECL (<=, true, ST, UT) \ |
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613 OCTAVE_SU_TYPE2_CMP_OP_DECL (>=, false, ST, UT) \ |
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614 OCTAVE_SU_TYPE2_CMP_OP_DECL (>, false, ST, UT) \ |
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615 OCTAVE_SU_TYPE2_CMP_OP_DECL (==, false, ST, UT) \ |
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616 OCTAVE_SU_TYPE2_CMP_OP_DECL (!=, true, ST, UT) |
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617 |
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618 #define OCTAVE_TYPE2_CMP_OP_DECLS(UT, ST) \ |
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619 OCTAVE_US_TYPE2_CMP_OP_DECLS (UT, ST) \ |
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620 OCTAVE_SU_TYPE2_CMP_OP_DECLS (ST, UT) |
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621 |
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622 OCTAVE_TYPE2_CMP_OP_DECLS (octave_uint32_t, octave_int64_t) |
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623 |
4902
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624 #undef OCTAVE_INT_BINOP_TRAIT |
5072
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625 #undef OCTAVE_US_S_FTR |
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626 #undef OCTAVE_US_S_FTR_FCNS |
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627 #undef OCTAVE_S_US_FTR |
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628 #undef OCTAVE_S_US_FTR_FCNS |
4902
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629 #undef OCTAVE_INT_FIT_TO_RANGE |
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630 #undef OCTAVE_INT_MIN_VAL2 |
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631 #undef OCTAVE_INT_MAX_VAL2 |
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632 #undef OCTAVE_INT_FIT_TO_RANGE2 |
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633 #undef OCTAVE_INT_BIN_OP |
5072
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634 #undef OCTAVE_INT_DOUBLE_BIN_OP |
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635 #undef OCTAVE_DOUBLE_INT_BIN_OP |
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636 #undef OCTAVE_INT_DOUBLE_CMP_OP |
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637 #undef OCTAVE_DOUBLE_INT_CMP_OP |
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638 #undef OCTAVE_INT_BITCMP_OP |
4902
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639 #undef OCTAVE_INT_CMP_OP |
5072
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640 #undef OCTAVE_US_TYPE1_CMP_OP_DECL |
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641 #undef OCTAVE_US_TYPE1_CMP_OP_DECLS |
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642 #undef OCTAVE_SU_TYPE1_CMP_OP_DECL |
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643 #undef OCTAVE_SU_TYPE1_CMP_OP_DECLS |
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644 #undef OCTAVE_TYPE1_CMP_OP_DECLS |
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645 #undef OCTAVE_US_TYPE2_CMP_OP_DECL |
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646 #undef OCTAVE_US_TYPE2_CMP_OP_DECLS |
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647 #undef OCTAVE_SU_TYPE2_CMP_OP_DECL |
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648 #undef OCTAVE_SU_TYPE2_CMP_OP_DECLS |
5074
|
649 #undef OCTAVE_TYPE2_CMP_OP_DECLS |
4902
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650 |
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651 #endif |
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652 |
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653 /* |
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654 ;;; Local Variables: *** |
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655 ;;; mode: C++ *** |
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656 ;;; End: *** |
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657 */ |