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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 #include <cstdlib> |
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25 |
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26 #include <iostream> |
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27 #include <string> |
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28 |
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29 #include "mx-base.h" |
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30 #include "oct-alloc.h" |
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31 #include "so-array.h" |
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32 #include "str-vec.h" |
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33 |
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34 #include "error.h" |
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35 #include "oct-stream.h" |
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36 #include "ov-base.h" |
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37 #include "ov-base-int.h" |
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38 #include "ov-typeinfo.h" |
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39 #include "gripes.h" |
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40 |
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41 class |
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42 OCTAVE_VALUE_INT_MATRIX_T |
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43 : public octave_base_int_matrix<OCTAVE_INT_NDARRAY_T> |
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44 { |
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45 public: |
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46 |
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47 OCTAVE_VALUE_INT_MATRIX_T (void) |
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48 : octave_base_int_matrix<OCTAVE_INT_NDARRAY_T> () { } |
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49 |
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50 OCTAVE_VALUE_INT_MATRIX_T (const OCTAVE_INT_NDARRAY_T& nda) |
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51 : octave_base_int_matrix<OCTAVE_INT_NDARRAY_T> (nda) { } |
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52 |
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53 ~OCTAVE_VALUE_INT_MATRIX_T (void) { } |
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54 |
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55 octave_base_value *clone (void) const |
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56 { return new OCTAVE_VALUE_INT_MATRIX_T (*this); } |
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57 |
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58 octave_base_value *empty_clone (void) const |
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59 { return new OCTAVE_VALUE_INT_MATRIX_T (); } |
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60 |
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61 bool OCTAVE_TYPE_PREDICATE_FUNCTION (void) { return true; } |
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62 |
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63 int8NDArray |
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64 int8_array_value (void) const { return int8NDArray (matrix); } |
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65 |
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66 int16NDArray |
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67 int16_array_value (void) const { return int16NDArray (matrix); } |
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68 |
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69 int32NDArray |
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70 int32_array_value (void) const { return int32NDArray (matrix); } |
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71 |
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72 int64NDArray |
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73 int64_array_value (void) const { return int64NDArray (matrix); } |
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74 |
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75 uint8NDArray |
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76 uint8_array_value (void) const { return uint8NDArray (matrix); } |
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77 |
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78 uint16NDArray |
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79 uint16_array_value (void) const { return uint16NDArray (matrix); } |
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80 |
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81 uint32NDArray |
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82 uint32_array_value (void) const { return uint32NDArray (matrix); } |
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83 |
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84 uint64NDArray |
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85 uint64_array_value (void) const { return uint64NDArray (matrix); } |
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86 |
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87 double |
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88 double_value (bool = false) const |
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89 { |
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90 double retval = lo_ieee_nan_value (); |
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91 |
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92 if (numel () > 0) |
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93 { |
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94 gripe_implicit_conversion ("Octave:array-as-scalar", |
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95 type_name (), "real scalar"); |
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96 |
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97 retval = double (matrix(0)); |
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98 } |
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99 else |
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100 gripe_invalid_conversion (type_name (), "real scalar"); |
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101 |
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102 return retval; |
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103 |
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104 } |
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105 |
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106 double scalar_value (bool = false) const { return double_value (); } |
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107 |
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108 NDArray |
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109 array_value (bool = false) const |
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110 { |
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111 NDArray retval (matrix.dims ()); |
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112 int nel = matrix.numel (); |
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113 for (int i = 0; i < nel; i++) |
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114 retval(i) = double (matrix(i)); |
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115 return retval; |
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116 } |
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117 |
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118 ComplexNDArray |
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119 complex_array_value (bool = false) const |
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120 { |
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121 ComplexNDArray retval (matrix.dims ()); |
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122 int nel = matrix.numel (); |
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123 for (int i = 0; i < nel; i++) |
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124 retval(i) = Complex (double (matrix(i))); |
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125 return retval; |
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126 } |
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127 |
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128 charNDArray |
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129 char_array_value (bool = false) const |
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130 { |
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131 charNDArray retval (dims ()); |
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132 |
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133 octave_idx_type nel = numel (); |
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134 |
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135 for (octave_idx_type i = 0; i < nel; i++) |
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136 retval(i) = static_cast<char>(matrix(i)); |
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137 |
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138 return retval; |
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139 } |
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140 |
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141 void increment (void) { matrix += 1; } |
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142 |
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143 void decrement (void) { matrix -= 1; } |
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144 |
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145 idx_vector index_vector (void) const { return idx_vector (matrix); } |
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146 |
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147 int write (octave_stream& os, int block_size, |
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148 oct_data_conv::data_type output_type, int skip, |
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149 oct_mach_info::float_format flt_fmt) const |
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150 { return os.write (matrix, block_size, output_type, skip, flt_fmt); } |
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151 |
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152 private: |
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153 |
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154 DECLARE_OCTAVE_ALLOCATOR |
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155 |
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156 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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157 }; |
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158 |
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159 class |
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160 OCTAVE_VALUE_INT_SCALAR_T |
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161 : public octave_base_int_scalar<OCTAVE_INT_T> |
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162 { |
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163 public: |
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164 |
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165 OCTAVE_VALUE_INT_SCALAR_T (void) |
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166 : octave_base_int_scalar<OCTAVE_INT_T> () { } |
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167 |
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168 OCTAVE_VALUE_INT_SCALAR_T (const OCTAVE_INT_T& nda) |
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169 : octave_base_int_scalar<OCTAVE_INT_T> (nda) { } |
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170 |
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171 ~OCTAVE_VALUE_INT_SCALAR_T (void) { } |
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172 |
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173 octave_base_value *clone (void) const |
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174 { return new OCTAVE_VALUE_INT_SCALAR_T (*this); } |
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175 |
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176 octave_base_value *empty_clone (void) const |
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177 { return new OCTAVE_VALUE_INT_SCALAR_T (); } |
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178 |
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179 octave_value do_index_op (const octave_value_list& idx, |
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180 bool resize_ok = false) |
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181 { |
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182 octave_value retval; |
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183 |
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184 if (idx.valid_scalar_indices ()) |
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185 retval = scalar; |
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186 else |
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187 { |
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188 // FIXME -- this doesn't solve the problem of |
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189 // |
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190 // a = 1; a([1,1], [1,1], [1,1]) |
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191 // |
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192 // and similar constructions. Hmm... |
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193 |
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194 // FIXME -- using this constructor avoids narrowing the |
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195 // 1x1 matrix back to a scalar value. Need a better solution |
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196 // to this problem. |
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197 |
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198 octave_value tmp |
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199 (new OCTAVE_VALUE_INT_MATRIX_T |
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200 (OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION ())); |
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201 |
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202 retval = tmp.do_index_op (idx, resize_ok); |
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203 } |
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204 |
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205 return retval; |
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206 } |
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207 |
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208 bool OCTAVE_TYPE_PREDICATE_FUNCTION (void) { return true; } |
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209 |
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210 octave_int8 |
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211 int8_scalar_value (void) const { return octave_int8 (scalar); } |
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212 |
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213 octave_int16 |
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214 int16_scalar_value (void) const { return octave_int16 (scalar); } |
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215 |
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216 octave_int32 |
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217 int32_scalar_value (void) const { return octave_int32 (scalar); } |
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218 |
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219 octave_int64 |
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220 int64_scalar_value (void) const { return octave_int64 (scalar); } |
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221 |
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222 octave_uint8 |
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223 uint8_scalar_value (void) const { return octave_uint8 (scalar); } |
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224 |
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225 octave_uint16 |
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226 uint16_scalar_value (void) const { return octave_uint16 (scalar); } |
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227 |
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228 octave_uint32 |
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229 uint32_scalar_value (void) const { return octave_uint32 (scalar); } |
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230 |
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231 octave_uint64 |
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232 uint64_scalar_value (void) const { return octave_uint64 (scalar); } |
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233 |
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234 int8NDArray |
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235 int8_array_value (void) const |
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236 { return int8NDArray (dim_vector (1, 1), scalar); } |
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237 |
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238 int16NDArray |
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239 int16_array_value (void) const |
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240 { return int16NDArray (dim_vector (1, 1), scalar); } |
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241 |
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242 int32NDArray |
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243 int32_array_value (void) const |
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244 { return int32NDArray (dim_vector (1, 1), scalar); } |
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245 |
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246 int64NDArray |
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247 int64_array_value (void) const |
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248 { return int64NDArray (dim_vector (1, 1), scalar); } |
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249 |
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250 uint8NDArray |
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251 uint8_array_value (void) const |
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252 { return uint8NDArray (dim_vector (1, 1), scalar); } |
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253 |
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254 uint16NDArray |
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255 uint16_array_value (void) const |
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256 { return uint16NDArray (dim_vector (1, 1), scalar); } |
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257 |
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258 uint32NDArray |
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259 uint32_array_value (void) const |
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260 { return uint32NDArray (dim_vector (1, 1), scalar); } |
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261 |
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262 uint64NDArray |
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263 uint64_array_value (void) const |
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264 { return uint64NDArray (dim_vector (1, 1), scalar); } |
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265 |
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266 octave_value resize (const dim_vector& dv, bool fill = false) const |
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267 { |
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268 if (fill) |
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269 { |
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270 OCTAVE_INT_NDARRAY_T retval (dv, 0); |
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271 if (dv.numel()) |
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272 retval(0) = scalar; |
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273 return retval; |
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274 } |
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275 else |
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276 { |
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277 OCTAVE_INT_NDARRAY_T retval (dv); |
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278 if (dv.numel()) |
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279 retval(0) = scalar; |
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280 return retval; |
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281 } |
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282 } |
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283 |
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284 double double_value (bool = false) const { return double (scalar); } |
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285 |
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286 double scalar_value (bool = false) const { return double (scalar); } |
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287 |
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288 NDArray |
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289 array_value (bool = false) const |
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290 { |
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291 NDArray retval (dim_vector (1, 1)); |
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292 retval(0) = double (scalar); |
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293 return retval; |
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294 } |
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295 |
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296 ComplexNDArray |
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297 complex_array_value (bool = false) const |
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298 { |
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299 ComplexNDArray retval (dim_vector (1, 1)); |
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300 retval(0) = Complex (double (scalar)); |
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301 return retval; |
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302 } |
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303 |
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304 charNDArray |
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305 char_array_value (bool = false) const |
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306 { |
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307 charNDArray retval (dim_vector (1, 1)); |
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308 retval(0) = static_cast<char>(scalar); |
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309 return retval; |
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310 } |
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311 |
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312 void increment (void) { scalar += 1; } |
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313 |
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314 void decrement (void) { scalar -= 1; } |
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315 |
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316 idx_vector index_vector (void) const { return idx_vector (scalar); } |
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317 |
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318 int write (octave_stream& os, int block_size, |
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319 oct_data_conv::data_type output_type, octave_idx_type skip, |
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320 oct_mach_info::float_format flt_fmt) const |
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321 { |
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322 return os.write (OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION (), |
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323 block_size, output_type, skip, flt_fmt); |
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324 } |
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325 |
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326 private: |
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327 |
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328 DECLARE_OCTAVE_ALLOCATOR |
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329 |
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330 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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331 }; |
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332 |
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333 /* |
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334 ;;; Local Variables: *** |
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335 ;;; mode: C++ *** |
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336 ;;; End: *** |
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337 */ |
