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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 #include <cstdlib> |
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24 |
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25 #include <iostream> |
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26 #include <string> |
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27 |
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28 #include "mx-base.h" |
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29 #include "oct-alloc.h" |
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30 #include "so-array.h" |
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31 #include "str-vec.h" |
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32 |
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33 #include "error.h" |
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34 #include "oct-stream.h" |
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35 #include "ov-base.h" |
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36 #include "ov-base-int.h" |
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37 #include "ov-typeinfo.h" |
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38 #include "gripes.h" |
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39 |
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40 class |
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41 OCTAVE_VALUE_INT_MATRIX_T |
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42 : public octave_base_int_matrix<OCTAVE_INT_NDARRAY_T> |
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43 { |
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44 public: |
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45 |
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46 OCTAVE_VALUE_INT_MATRIX_T (void) |
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47 : octave_base_int_matrix<OCTAVE_INT_NDARRAY_T> () { } |
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48 |
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49 OCTAVE_VALUE_INT_MATRIX_T (const OCTAVE_INT_NDARRAY_T& nda) |
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50 : octave_base_int_matrix<OCTAVE_INT_NDARRAY_T> (nda) { } |
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51 |
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52 ~OCTAVE_VALUE_INT_MATRIX_T (void) { } |
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53 |
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54 octave_value * |
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55 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_value * |
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59 empty_clone (void) const |
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60 { return new OCTAVE_VALUE_INT_MATRIX_T (); } |
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61 |
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62 OCTAVE_INT_NDARRAY_T |
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63 OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION (void) const |
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64 { return matrix; } |
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65 |
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66 double |
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67 double_value (bool = false) const |
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68 { |
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69 double retval = lo_ieee_nan_value (); |
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70 |
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71 if (numel () > 0) |
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72 { |
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73 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
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74 if (Vwarn_fortran_indexing) |
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75 gripe_implicit_conversion (type_name (), "real scalar"); |
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76 |
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77 retval = double (matrix (0, 0)); |
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78 } |
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79 else |
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80 gripe_invalid_conversion (type_name (), "real scalar"); |
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81 |
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82 return retval; |
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83 |
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84 } |
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85 |
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86 double |
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87 scalar_value (bool = false) const |
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88 { |
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89 return double_value (); |
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90 } |
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91 |
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92 NDArray |
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93 array_value (bool = false) const |
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94 { |
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95 NDArray retval (matrix.dims ()); |
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96 int nel = matrix.numel (); |
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97 for (int i = 0; i < nel; i++) |
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98 retval(i) = double (matrix(i)); |
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99 return retval; |
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100 } |
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101 |
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102 ComplexNDArray |
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103 complex_array_value (bool = false) const |
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104 { |
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105 ComplexNDArray retval (matrix.dims ()); |
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106 int nel = matrix.numel (); |
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107 for (int i = 0; i < nel; i++) |
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108 retval(i) = Complex (matrix(i)); |
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109 return retval; |
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110 } |
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111 |
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112 idx_vector index_vector (void) const { return idx_vector (matrix); } |
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113 |
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114 int write (octave_stream& os, int block_size, |
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115 oct_data_conv::data_type output_type, int skip, |
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116 oct_mach_info::float_format flt_fmt) const |
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117 { return os.write (matrix, block_size, output_type, skip, flt_fmt); } |
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118 |
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119 private: |
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120 |
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121 DECLARE_OCTAVE_ALLOCATOR |
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122 |
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123 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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124 }; |
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125 |
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126 class |
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127 OCTAVE_VALUE_INT_SCALAR_T |
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128 : public octave_base_int_scalar<OCTAVE_INT_T> |
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129 { |
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130 public: |
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131 |
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132 OCTAVE_VALUE_INT_SCALAR_T (void) |
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133 : octave_base_int_scalar<OCTAVE_INT_T> () { } |
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134 |
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135 OCTAVE_VALUE_INT_SCALAR_T (const OCTAVE_INT_T& nda) |
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136 : octave_base_int_scalar<OCTAVE_INT_T> (nda) { } |
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137 |
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138 ~OCTAVE_VALUE_INT_SCALAR_T (void) { } |
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139 |
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140 octave_value * |
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141 clone (void) const |
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142 { return new OCTAVE_VALUE_INT_SCALAR_T (*this); } |
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143 |
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144 octave_value * |
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145 empty_clone (void) const |
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146 { return new OCTAVE_VALUE_INT_SCALAR_T (); } |
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147 |
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148 octave_value do_index_op (const octave_value_list& idx, int resize_ok) |
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149 { |
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150 octave_value retval; |
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151 |
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152 if (idx.valid_scalar_indices ()) |
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153 retval = scalar; |
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154 else |
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155 { |
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156 // XXX FIXME XXX -- this doesn't solve the problem of |
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157 // |
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158 // a = 1; a([1,1], [1,1], [1,1]) |
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159 // |
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160 // and similar constructions. Hmm... |
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161 |
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162 // XXX FIXME XXX -- using this constructor avoids narrowing the |
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163 // 1x1 matrix back to a scalar value. Need a better solution |
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164 // to this problem. |
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165 |
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166 octave_value tmp (new OCTAVE_VALUE_INT_MATRIX_T ( |
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167 OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION ())); |
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168 retval = tmp.do_index_op (idx, resize_ok); |
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169 } |
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170 |
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171 return retval; |
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172 } |
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173 |
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174 OCTAVE_INT_T |
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175 OCTAVE_VALUE_INT_SCALAR_EXTRACTOR_FUNCTION (void) const |
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176 { return scalar; } |
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177 |
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178 OCTAVE_INT_NDARRAY_T |
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179 OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION (void) const |
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180 { return OCTAVE_INT_NDARRAY_T (dim_vector (1, 1), scalar); } |
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181 |
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182 octave_value resize (const dim_vector& dv) const |
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183 { OCTAVE_INT_NDARRAY_T retval (dv); if (dv.numel()) retval(0) = scalar; return retval; } |
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184 |
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185 double |
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186 double_value (bool = false) const |
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187 { |
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188 return double (scalar); |
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189 } |
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190 |
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191 double |
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192 scalar_value (bool = false) const |
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193 { |
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194 return double (scalar); |
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195 } |
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196 |
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197 NDArray |
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198 array_value (bool = false) const |
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199 { |
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200 NDArray retval (dim_vector (1,1)); |
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201 retval(0) = double (scalar); |
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202 return retval; |
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203 } |
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204 |
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205 ComplexNDArray |
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206 complex_array_value (bool = false) const |
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207 { |
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208 ComplexNDArray retval (dim_vector (1,1)); |
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209 retval(0) = Complex (scalar); |
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210 return retval; |
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211 } |
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212 |
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213 idx_vector index_vector (void) const { return idx_vector (scalar); } |
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214 |
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215 int write (octave_stream& os, int block_size, |
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216 oct_data_conv::data_type output_type, int skip, |
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217 oct_mach_info::float_format flt_fmt) const |
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218 { |
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219 return os.write (OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION (), |
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220 block_size, output_type, skip, flt_fmt); |
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221 } |
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222 |
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223 private: |
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224 |
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225 DECLARE_OCTAVE_ALLOCATOR |
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226 |
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227 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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228 }; |
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229 |
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230 /* |
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231 ;;; Local Variables: *** |
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232 ;;; mode: C++ *** |
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233 ;;; End: *** |
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234 */ |
