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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) const { 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 boolNDArray |
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129 bool_array_value (bool warn = false) const |
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130 { |
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131 boolNDArray 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 if (warn && matrix.any_element_not_one_or_zero ()) |
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136 gripe_logical_conversion (); |
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137 |
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138 for (octave_idx_type i = 0; i < nel; i++) |
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139 retval(i) = static_cast<bool>(matrix(i)); |
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140 |
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141 return retval; |
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142 } |
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143 |
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144 charNDArray |
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145 char_array_value (bool = false) const |
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146 { |
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147 charNDArray retval (dims ()); |
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148 |
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149 octave_idx_type nel = numel (); |
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150 |
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151 for (octave_idx_type i = 0; i < nel; i++) |
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152 retval(i) = static_cast<char>(matrix(i)); |
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153 |
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154 return retval; |
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155 } |
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156 |
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157 void increment (void) { matrix += 1; } |
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158 |
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159 void decrement (void) { matrix -= 1; } |
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160 |
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161 idx_vector index_vector (void) const { return idx_vector (matrix); } |
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162 |
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163 int write (octave_stream& os, int block_size, |
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164 oct_data_conv::data_type output_type, int skip, |
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165 oct_mach_info::float_format flt_fmt) const |
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166 { return os.write (matrix, block_size, output_type, skip, flt_fmt); } |
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167 |
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168 mxArray *as_mxArray (void) const |
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169 { |
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170 mxArray *retval = new mxArray (OCTAVE_INT_MX_CLASS, dims (), mxREAL); |
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171 |
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172 OCTAVE_INT_T::val_type *pr = static_cast<OCTAVE_INT_T::val_type *> (retval->get_data ()); |
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173 |
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174 int nel = numel (); |
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175 |
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176 const OCTAVE_INT_T *p = matrix.data (); |
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177 |
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178 for (int i = 0; i < nel; i++) |
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179 pr[i] = p[i].value (); |
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180 |
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181 return retval; |
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182 } |
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183 |
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184 private: |
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185 |
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186 DECLARE_OCTAVE_ALLOCATOR |
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187 |
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188 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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189 }; |
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190 |
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191 class |
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192 OCTAVE_VALUE_INT_SCALAR_T |
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193 : public octave_base_int_scalar<OCTAVE_INT_T> |
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194 { |
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195 public: |
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196 |
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197 OCTAVE_VALUE_INT_SCALAR_T (void) |
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198 : octave_base_int_scalar<OCTAVE_INT_T> () { } |
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199 |
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200 OCTAVE_VALUE_INT_SCALAR_T (const OCTAVE_INT_T& nda) |
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201 : octave_base_int_scalar<OCTAVE_INT_T> (nda) { } |
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202 |
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203 ~OCTAVE_VALUE_INT_SCALAR_T (void) { } |
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204 |
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205 octave_base_value *clone (void) const |
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206 { return new OCTAVE_VALUE_INT_SCALAR_T (*this); } |
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207 |
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208 octave_base_value *empty_clone (void) const |
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209 { return new OCTAVE_VALUE_INT_SCALAR_T (); } |
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210 |
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211 octave_value do_index_op (const octave_value_list& idx, |
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212 bool resize_ok = false) |
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213 { |
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214 octave_value retval; |
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215 |
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216 if (idx.valid_scalar_indices ()) |
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217 retval = scalar; |
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218 else |
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219 { |
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220 // FIXME -- this doesn't solve the problem of |
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221 // |
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222 // a = 1; a([1,1], [1,1], [1,1]) |
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223 // |
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224 // and similar constructions. Hmm... |
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225 |
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226 // FIXME -- using this constructor avoids narrowing the |
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227 // 1x1 matrix back to a scalar value. Need a better solution |
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228 // to this problem. |
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229 |
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230 octave_value tmp |
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231 (new OCTAVE_VALUE_INT_MATRIX_T |
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232 (OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION ())); |
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233 |
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234 retval = tmp.do_index_op (idx, resize_ok); |
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235 } |
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236 |
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237 return retval; |
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238 } |
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239 |
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240 bool OCTAVE_TYPE_PREDICATE_FUNCTION (void) const { return true; } |
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241 |
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242 octave_int8 |
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243 int8_scalar_value (void) const { return octave_int8 (scalar); } |
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244 |
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245 octave_int16 |
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246 int16_scalar_value (void) const { return octave_int16 (scalar); } |
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247 |
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248 octave_int32 |
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249 int32_scalar_value (void) const { return octave_int32 (scalar); } |
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250 |
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251 octave_int64 |
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252 int64_scalar_value (void) const { return octave_int64 (scalar); } |
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253 |
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254 octave_uint8 |
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255 uint8_scalar_value (void) const { return octave_uint8 (scalar); } |
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256 |
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257 octave_uint16 |
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258 uint16_scalar_value (void) const { return octave_uint16 (scalar); } |
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259 |
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260 octave_uint32 |
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261 uint32_scalar_value (void) const { return octave_uint32 (scalar); } |
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262 |
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263 octave_uint64 |
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264 uint64_scalar_value (void) const { return octave_uint64 (scalar); } |
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265 |
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266 int8NDArray |
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267 int8_array_value (void) const |
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268 { return int8NDArray (dim_vector (1, 1), scalar); } |
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269 |
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270 int16NDArray |
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271 int16_array_value (void) const |
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272 { return int16NDArray (dim_vector (1, 1), scalar); } |
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273 |
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274 int32NDArray |
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275 int32_array_value (void) const |
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276 { return int32NDArray (dim_vector (1, 1), scalar); } |
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277 |
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278 int64NDArray |
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279 int64_array_value (void) const |
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280 { return int64NDArray (dim_vector (1, 1), scalar); } |
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281 |
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282 uint8NDArray |
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283 uint8_array_value (void) const |
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284 { return uint8NDArray (dim_vector (1, 1), scalar); } |
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285 |
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286 uint16NDArray |
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287 uint16_array_value (void) const |
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288 { return uint16NDArray (dim_vector (1, 1), scalar); } |
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289 |
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290 uint32NDArray |
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291 uint32_array_value (void) const |
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292 { return uint32NDArray (dim_vector (1, 1), scalar); } |
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293 |
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294 uint64NDArray |
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295 uint64_array_value (void) const |
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296 { return uint64NDArray (dim_vector (1, 1), scalar); } |
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297 |
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298 octave_value resize (const dim_vector& dv, bool fill = false) const |
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299 { |
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300 if (fill) |
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301 { |
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302 OCTAVE_INT_NDARRAY_T retval (dv, 0); |
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303 if (dv.numel()) |
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304 retval(0) = scalar; |
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305 return retval; |
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306 } |
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307 else |
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308 { |
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309 OCTAVE_INT_NDARRAY_T retval (dv); |
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310 if (dv.numel()) |
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311 retval(0) = scalar; |
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312 return retval; |
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313 } |
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314 } |
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315 |
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316 double double_value (bool = false) const { return double (scalar); } |
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317 |
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318 double scalar_value (bool = false) const { return double (scalar); } |
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319 |
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320 NDArray |
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321 array_value (bool = false) const |
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322 { |
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323 NDArray retval (dim_vector (1, 1)); |
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324 retval(0) = double (scalar); |
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325 return retval; |
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326 } |
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327 |
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328 ComplexNDArray |
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329 complex_array_value (bool = false) const |
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330 { |
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331 ComplexNDArray retval (dim_vector (1, 1)); |
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332 retval(0) = Complex (double (scalar)); |
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333 return retval; |
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334 } |
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335 |
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336 boolNDArray |
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337 bool_array_value (bool warn = false) const |
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338 { |
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339 boolNDArray retval (dim_vector (1, 1)); |
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340 |
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341 if (warn && scalar != 0.0 && scalar != 1.0) |
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342 gripe_logical_conversion (); |
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343 |
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344 retval(0) = static_cast<bool>(scalar); |
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345 |
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346 return retval; |
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347 } |
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348 |
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349 charNDArray |
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350 char_array_value (bool = false) const |
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351 { |
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352 charNDArray retval (dim_vector (1, 1)); |
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353 retval(0) = static_cast<char>(scalar); |
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354 return retval; |
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355 } |
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356 |
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357 void increment (void) { scalar += 1; } |
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358 |
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359 void decrement (void) { scalar -= 1; } |
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360 |
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361 idx_vector index_vector (void) const { return idx_vector (scalar); } |
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362 |
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363 int write (octave_stream& os, int block_size, |
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364 oct_data_conv::data_type output_type, octave_idx_type skip, |
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365 oct_mach_info::float_format flt_fmt) const |
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366 { |
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367 return os.write (OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION (), |
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368 block_size, output_type, skip, flt_fmt); |
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369 } |
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370 |
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371 // Unsafe. This function exists to support the MEX interface. |
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372 // You should not use it anywhere else. |
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373 void *mex_get_data (void) const { return scalar.mex_get_data (); } |
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374 |
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375 mxArray *as_mxArray (void) const |
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376 { |
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377 mxArray *retval = new mxArray (OCTAVE_INT_MX_CLASS, 1, 1, mxREAL); |
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378 |
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379 OCTAVE_INT_T::val_type *pr = static_cast<OCTAVE_INT_T::val_type *> (retval->get_data ()); |
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380 |
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381 pr[0] = scalar.value (); |
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382 |
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383 return retval; |
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384 } |
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385 |
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386 private: |
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387 |
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388 DECLARE_OCTAVE_ALLOCATOR |
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389 |
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390 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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391 }; |
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392 |
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393 /* |
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394 ;;; Local Variables: *** |
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395 ;;; mode: C++ *** |
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396 ;;; End: *** |
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397 */ |
