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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 |
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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 |
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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 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 US_S_FTR_FCNS(T) \ |
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154 US_S_FTR(T, char, unsigned char) \ |
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155 US_S_FTR(T, signed char, unsigned char) \ |
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156 US_S_FTR(T, short, unsigned short) \ |
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157 US_S_FTR(T, int, unsigned int) \ |
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158 US_S_FTR(T, long, unsigned long) \ |
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159 US_S_FTR(T, long long, unsigned long long) |
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160 |
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161 US_S_FTR_FCNS (unsigned char) |
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162 US_S_FTR_FCNS (unsigned short) |
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163 US_S_FTR_FCNS (unsigned int) |
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164 US_S_FTR_FCNS (unsigned long) |
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165 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 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 S_US_FTR_FCNS(T) \ |
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181 S_US_FTR(T, unsigned char) \ |
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182 S_US_FTR(T, unsigned short) \ |
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183 S_US_FTR(T, unsigned int) \ |
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184 S_US_FTR(T, unsigned long) \ |
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185 S_US_FTR(T, unsigned long long) |
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186 |
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187 S_US_FTR_FCNS (char) |
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188 S_US_FTR_FCNS (signed char) |
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189 S_US_FTR_FCNS (short) |
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190 S_US_FTR_FCNS (int) |
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191 S_US_FTR_FCNS (long) |
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192 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 octave_int<T>& operator += (const octave_int<T>& x) |
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262 { |
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263 double t = static_cast<double> (value ()); |
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264 double tx = static_cast<double> (x.value ()); |
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265 ival = OCTAVE_INT_FIT_TO_RANGE (t + tx, T); |
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266 return *this; |
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267 } |
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268 |
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269 octave_int<T>& operator -= (const octave_int<T>& x) |
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270 { |
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271 double t = static_cast<double> (value ()); |
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272 double tx = static_cast<double> (x.value ()); |
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273 ival = OCTAVE_INT_FIT_TO_RANGE (t - tx, T); |
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274 return *this; |
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275 } |
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276 |
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277 octave_int<T>& operator *= (const octave_int<T>& x) |
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278 { |
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279 double t = static_cast<double> (value ()); |
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280 double tx = static_cast<double> (x.value ()); |
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281 ival = OCTAVE_INT_FIT_TO_RANGE (t * tx, T); |
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282 return *this; |
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283 } |
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284 |
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285 octave_int<T>& operator /= (const octave_int<T>& x) |
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286 { |
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287 double t = static_cast<double> (value ()); |
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288 double tx = static_cast<double> (x.value ()); |
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289 double r = (t == 0 && tx == 0) ? 0 : round (t / tx); |
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290 ival = OCTAVE_INT_FIT_TO_RANGE (r, T); |
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291 return *this; |
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292 } |
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293 |
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294 template <class T2> |
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295 octave_int<T>& operator <<= (const T2& x) |
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296 { |
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297 ival = ((ival << x) > std::numeric_limits<T>::max ()) ? 0 : (ival << x); |
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298 return *this; |
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299 } |
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300 |
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301 template <class T2> |
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302 octave_int<T>& operator >>= (const T2& x) |
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303 { |
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304 ival >>= x; |
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305 return *this; |
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306 } |
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307 |
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308 octave_int<T> min (void) const { return std::numeric_limits<T>::min (); } |
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309 octave_int<T> max (void) const { return std::numeric_limits<T>::max (); } |
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310 |
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311 static int nbits (void) { return sizeof (T) * CHAR_BIT; } |
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312 |
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313 static int byte_size (void) { return sizeof(T); } |
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314 |
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315 private: |
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316 |
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317 T ival; |
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318 }; |
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319 |
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320 template <class T> |
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321 octave_int<T> |
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322 pow (const octave_int<T>& a, const octave_int<T>& b) |
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323 { |
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324 octave_int<T> retval; |
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325 |
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326 octave_int<T> zero = octave_int<T> (0); |
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327 octave_int<T> one = octave_int<T> (1); |
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328 |
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329 if (b == zero) |
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330 retval = one; |
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331 else if (b < zero) |
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332 retval = zero; |
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333 else |
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334 { |
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335 octave_int<T> a_val = a; |
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336 octave_int<T> b_val = b; |
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337 |
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338 retval = a; |
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339 |
|
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340 b_val -= 1; |
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341 |
|
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342 while (b_val) |
|
|
343 { |
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344 if (b_val & one) |
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345 retval = retval * a_val; |
|
|
346 |
|
|
347 b_val = b_val >> 1; |
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|
348 |
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349 if (b_val > zero) |
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|
350 a_val = a_val * a_val; |
|
|
351 } |
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352 } |
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|
353 |
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|
354 return retval; |
|
|
355 } |
|
|
356 |
|
|
357 template <class T> |
|
4953
|
358 octave_int<T> |
|
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359 pow (double a, const octave_int<T>& b) |
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360 { |
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361 double tb = static_cast<double> (b.value ()); |
|
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362 double r = pow (a, tb); |
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363 r = lo_ieee_isnan (r) ? 0 : round (r); |
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364 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
|
|
365 } |
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|
366 |
|
|
367 template <class T> |
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368 octave_int<T> |
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369 pow (const octave_int<T>& a, double b) |
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370 { |
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371 double ta = static_cast<double> (a.value ()); |
|
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372 double r = pow (ta, b); |
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373 r = lo_ieee_isnan (r) ? 0 : round (r); |
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374 return OCTAVE_INT_FIT_TO_RANGE (r, T); |
|
|
375 } |
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|
376 |
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|
377 template <class T> |
|
4902
|
378 std::ostream& |
|
|
379 operator << (std::ostream& os, const octave_int<T>& ival) |
|
|
380 { |
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381 os << ival.value (); |
|
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382 return os; |
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383 } |
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384 |
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385 template <class T> |
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386 std::istream& |
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387 operator >> (std::istream& is, octave_int<T>& ival) |
|
|
388 { |
|
|
389 T tmp = 0; |
|
|
390 is >> tmp; |
|
|
391 ival = tmp; |
|
|
392 return is; |
|
|
393 } |
|
|
394 |
|
|
395 typedef octave_int<octave_int8_t> octave_int8; |
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|
396 typedef octave_int<octave_int16_t> octave_int16; |
|
|
397 typedef octave_int<octave_int32_t> octave_int32; |
|
|
398 typedef octave_int<octave_int64_t> octave_int64; |
|
|
399 |
|
|
400 typedef octave_int<octave_uint8_t> octave_uint8; |
|
|
401 typedef octave_int<octave_uint16_t> octave_uint16; |
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402 typedef octave_int<octave_uint32_t> octave_uint32; |
|
|
403 typedef octave_int<octave_uint64_t> octave_uint64; |
|
|
404 |
|
|
405 #define OCTAVE_INT_BIN_OP(OP) \ |
|
|
406 \ |
|
|
407 template <class T1, class T2> \ |
|
|
408 octave_int<typename octave_int_binop_traits<T1, T2>::TR> \ |
|
|
409 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ |
|
|
410 { \ |
|
|
411 double tx = static_cast<double> (x.value ()); \ |
|
|
412 double ty = static_cast<double> (y.value ()); \ |
|
|
413 double r = tx OP ty; \ |
|
|
414 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); \ |
|
4906
|
415 } |
|
4902
|
416 |
|
|
417 OCTAVE_INT_BIN_OP(+) |
|
|
418 OCTAVE_INT_BIN_OP(-) |
|
|
419 OCTAVE_INT_BIN_OP(*) |
|
4953
|
420 |
|
|
421 template <class T1, class T2> |
|
|
422 octave_int<typename octave_int_binop_traits<T1, T2>::TR> |
|
|
423 operator / (const octave_int<T1>& x, const octave_int<T2>& y) |
|
|
424 { |
|
|
425 double tx = static_cast<double> (x.value ()); |
|
|
426 double ty = static_cast<double> (y.value ()); |
|
|
427 double r = (tx == 0 && ty == 0) ? 0 : tx / ty; |
|
|
428 return OCTAVE_INT_FIT_TO_RANGE2 (r, T1, T2); |
|
|
429 } |
|
|
430 |
|
|
431 #define OCTAVE_INT_DOUBLE_BIN_OP(OP) \ |
|
|
432 \ |
|
|
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 ()); \ |
|
|
438 double r = round (tx OP y); \ |
|
|
439 r = lo_ieee_isnan (r) ? 0 : round (r); \ |
|
|
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 \ |
|
|
450 template <class T> \ |
|
|
451 octave_int<T> \ |
|
|
452 operator OP (double x, const octave_int<T>& y) \ |
|
|
453 { \ |
|
|
454 double ty = static_cast<double> (y.value ()); \ |
|
|
455 double r = x OP ty; \ |
|
|
456 r = lo_ieee_isnan (r) ? 0 : round (r); \ |
|
|
457 return OCTAVE_INT_FIT_TO_RANGE (r, T); \ |
|
|
458 } |
|
|
459 |
|
|
460 OCTAVE_DOUBLE_INT_BIN_OP(+) |
|
|
461 OCTAVE_DOUBLE_INT_BIN_OP(-) |
|
|
462 OCTAVE_DOUBLE_INT_BIN_OP(*) |
|
|
463 OCTAVE_DOUBLE_INT_BIN_OP(/) |
|
4902
|
464 |
|
4906
|
465 #define OCTAVE_INT_BITCMP_OP(OP) \ |
|
|
466 \ |
|
|
467 template <class T> \ |
|
|
468 octave_int<T> \ |
|
|
469 operator OP (const octave_int<T>& x, const octave_int<T>& y) \ |
|
|
470 { \ |
|
|
471 return x.value () OP y.value (); \ |
|
|
472 } |
|
|
473 |
|
|
474 OCTAVE_INT_BITCMP_OP (&) |
|
|
475 OCTAVE_INT_BITCMP_OP (|) |
|
|
476 OCTAVE_INT_BITCMP_OP (^) |
|
|
477 |
|
4952
|
478 template <class T1, class T2> |
|
|
479 octave_int<T1> |
|
|
480 operator << (const octave_int<T1>& x, const T2& y) |
|
|
481 { |
|
|
482 T1 retval = x; |
|
|
483 return retval <<= y; |
|
|
484 } |
|
4906
|
485 |
|
4952
|
486 template <class T1, class T2> |
|
|
487 octave_int<T1> |
|
|
488 operator >> (const octave_int<T1>& x, const T2& y) |
|
|
489 { |
|
|
490 T1 retval = x; |
|
|
491 return retval >>= y; |
|
|
492 } |
|
4906
|
493 |
|
4909
|
494 template <class T> |
|
|
495 octave_int<T> |
|
4920
|
496 bitshift (const octave_int<T>& a, int n, |
|
|
497 const octave_int<T>& mask = std::numeric_limits<T>::max ()) |
|
4909
|
498 { |
|
|
499 if (n > 0) |
|
4952
|
500 return (a << n) & mask; |
|
4909
|
501 else if (n < 0) |
|
4952
|
502 return (a >> -n) & mask; |
|
4909
|
503 else |
|
|
504 return a; |
|
|
505 } |
|
|
506 |
|
4902
|
507 #define OCTAVE_INT_CMP_OP(OP) \ |
|
|
508 \ |
|
|
509 template <class T1, class T2> \ |
|
|
510 bool \ |
|
|
511 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ |
|
|
512 { \ |
|
|
513 return x.value () OP y.value (); \ |
|
4906
|
514 } |
|
4902
|
515 |
|
|
516 OCTAVE_INT_CMP_OP (<) |
|
|
517 OCTAVE_INT_CMP_OP (<=) |
|
|
518 OCTAVE_INT_CMP_OP (>=) |
|
|
519 OCTAVE_INT_CMP_OP (>) |
|
|
520 OCTAVE_INT_CMP_OP (==) |
|
|
521 OCTAVE_INT_CMP_OP (!=) |
|
|
522 |
|
4915
|
523 #define OCTAVE_INT_CONCAT_FN(TYPE) \ |
|
|
524 intNDArray< TYPE > \ |
|
|
525 concat (const intNDArray< TYPE >& ra, const intNDArray< TYPE >& rb, \ |
|
|
526 const Array<int>& ra_idx) \ |
|
|
527 { \ |
|
|
528 intNDArray< TYPE > retval (ra); \ |
|
|
529 retval.insert (rb, ra_idx); \ |
|
|
530 return retval; \ |
|
|
531 } |
|
|
532 |
|
|
533 #define OCTAVE_INT_CONCAT_DECL(TYPE) \ |
|
|
534 intNDArray< TYPE > \ |
|
|
535 concat (const intNDArray< TYPE >& ra, const intNDArray< TYPE >& rb, \ |
|
|
536 const Array<int>& ra_idx); |
|
|
537 |
|
4902
|
538 #undef OCTAVE_INT_TRAIT |
|
|
539 #undef OCTAVE_INT_BINOP_TRAIT |
|
|
540 #undef OCTAVE_INT_MIN_VAL |
|
|
541 #undef OCTAVE_INT_MAX_VAL |
|
|
542 #undef OCTAVE_INT_FIT_TO_RANGE |
|
|
543 #undef OCTAVE_INT_MIN_VAL2 |
|
|
544 #undef OCTAVE_INT_MAX_VAL2 |
|
|
545 #undef OCTAVE_INT_FIT_TO_RANGE2 |
|
|
546 #undef OCTAVE_INT_BIN_OP |
|
|
547 #undef OCTAVE_INT_CMP_OP |
|
|
548 |
|
|
549 #endif |
|
|
550 |
|
|
551 /* |
|
|
552 ;;; Local Variables: *** |
|
|
553 ;;; mode: C++ *** |
|
|
554 ;;; End: *** |
|
|
555 */ |
