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