Mercurial > hg > octave-lyh
annotate src/ov-scalar.h @ 9812:f80c566bc751
improve unary mapper system
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Thu, 12 Nov 2009 15:47:58 +0100 |
| parents | e793865ede63 |
| children | b3089dba88bf |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, |
| 8920 | 4 2007, 2008, 2009 John W. Eaton |
| 2376 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2376 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2376 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_scalar_h) | |
| 25 #define octave_scalar_h 1 | |
| 26 | |
| 27 #include <cstdlib> | |
| 28 | |
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29 #include <iosfwd> |
| 2376 | 30 #include <string> |
| 31 | |
| 5110 | 32 #include "lo-ieee.h" |
| 2889 | 33 #include "lo-mappers.h" |
| 2376 | 34 #include "lo-utils.h" |
| 35 #include "mx-base.h" | |
| 2477 | 36 #include "oct-alloc.h" |
| 2376 | 37 #include "str-vec.h" |
| 38 | |
| 5943 | 39 #include "gripes.h" |
| 2376 | 40 #include "ov-base.h" |
| 4749 | 41 #include "ov-re-mat.h" |
| 3223 | 42 #include "ov-base-scalar.h" |
| 2376 | 43 #include "ov-typeinfo.h" |
| 44 | |
| 45 class Octave_map; | |
| 46 class octave_value_list; | |
| 47 | |
| 48 class tree_walker; | |
| 49 | |
| 50 // Real scalar values. | |
| 51 | |
| 52 class | |
| 6153 | 53 OCTINTERP_API |
| 3223 | 54 octave_scalar : public octave_base_scalar<double> |
| 2376 | 55 { |
| 56 public: | |
| 57 | |
| 58 octave_scalar (void) | |
| 3223 | 59 : octave_base_scalar<double> (0.0) { } |
| 2376 | 60 |
| 61 octave_scalar (double d) | |
| 3223 | 62 : octave_base_scalar<double> (d) { } |
| 2376 | 63 |
| 64 octave_scalar (const octave_scalar& s) | |
| 3223 | 65 : octave_base_scalar<double> (s) { } |
| 2376 | 66 |
| 67 ~octave_scalar (void) { } | |
| 68 | |
| 5759 | 69 octave_base_value *clone (void) const { return new octave_scalar (*this); } |
| 4749 | 70 |
| 71 // We return an octave_matrix here instead of an octave_scalar so | |
| 72 // that in expressions like A(2,2,2) = 2 (for A previously | |
| 73 // undefined), A will be empty instead of a 1x1 object. | |
| 5759 | 74 octave_base_value *empty_clone (void) const { return new octave_matrix (); } |
| 2376 | 75 |
| 5885 | 76 octave_value do_index_op (const octave_value_list& idx, |
| 77 bool resize_ok = false); | |
| 2376 | 78 |
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79 type_conv_info numeric_demotion_function (void) const; |
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80 |
| 2376 | 81 idx_vector index_vector (void) const { return idx_vector (scalar); } |
| 82 | |
| 5110 | 83 octave_value any (int = 0) const |
| 84 { return (scalar != 0 && ! lo_ieee_isnan (scalar)); } | |
| 85 | |
| 9685 | 86 builtin_type_t builtin_type (void) const { return btyp_double; } |
| 87 | |
| 2376 | 88 bool is_real_scalar (void) const { return true; } |
| 89 | |
| 90 bool is_real_type (void) const { return true; } | |
| 91 | |
| 5895 | 92 bool is_double_type (void) const { return true; } |
| 93 | |
| 7576 | 94 bool is_float_type (void) const { return true; } |
| 95 | |
| 5533 | 96 int8NDArray |
| 97 int8_array_value (void) const | |
| 98 { return int8NDArray (dim_vector (1, 1), scalar); } | |
| 99 | |
| 100 int16NDArray | |
| 101 int16_array_value (void) const | |
| 102 { return int16NDArray (dim_vector (1, 1), scalar); } | |
| 103 | |
| 104 int32NDArray | |
| 105 int32_array_value (void) const | |
| 106 { return int32NDArray (dim_vector (1, 1), scalar); } | |
| 107 | |
| 108 int64NDArray | |
| 109 int64_array_value (void) const | |
| 110 { return int64NDArray (dim_vector (1, 1), scalar); } | |
| 111 | |
| 112 uint8NDArray | |
| 113 uint8_array_value (void) const | |
| 114 { return uint8NDArray (dim_vector (1, 1), scalar); } | |
| 115 | |
| 116 uint16NDArray | |
| 117 uint16_array_value (void) const | |
| 118 { return uint16NDArray (dim_vector (1, 1), scalar); } | |
| 119 | |
| 120 uint32NDArray | |
| 121 uint32_array_value (void) const | |
| 122 { return uint32NDArray (dim_vector (1, 1), scalar); } | |
| 123 | |
| 124 uint64NDArray | |
| 125 uint64_array_value (void) const | |
| 126 { return uint64NDArray (dim_vector (1, 1), scalar); } | |
| 127 | |
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128 #define DEFINE_INT_SCALAR_VALUE(TYPE) \ |
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129 octave_ ## TYPE \ |
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130 TYPE ## _scalar_value (void) const \ |
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131 { return octave_ ## TYPE (scalar); } |
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132 |
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133 DEFINE_INT_SCALAR_VALUE (int8) |
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134 DEFINE_INT_SCALAR_VALUE (int16) |
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135 DEFINE_INT_SCALAR_VALUE (int32) |
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136 DEFINE_INT_SCALAR_VALUE (int64) |
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137 DEFINE_INT_SCALAR_VALUE (uint8) |
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138 DEFINE_INT_SCALAR_VALUE (uint16) |
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139 DEFINE_INT_SCALAR_VALUE (uint32) |
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140 DEFINE_INT_SCALAR_VALUE (uint64) |
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141 |
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142 #undef DEFINE_INT_SCALAR_VALUE |
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143 |
| 2376 | 144 double double_value (bool = false) const { return scalar; } |
| 145 | |
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146 float float_value (bool = false) const { return static_cast<float> (scalar); } |
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147 |
| 2916 | 148 double scalar_value (bool = false) const { return scalar; } |
| 149 | |
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150 float float_scalar_value (bool = false) const { return static_cast<float> (scalar); } |
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151 |
| 3145 | 152 Matrix matrix_value (bool = false) const |
| 153 { return Matrix (1, 1, scalar); } | |
| 2376 | 154 |
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155 FloatMatrix float_matrix_value (bool = false) const |
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156 { return FloatMatrix (1, 1, scalar); } |
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157 |
| 4569 | 158 NDArray array_value (bool = false) const |
| 4630 | 159 { return NDArray (dim_vector (1, 1), scalar); } |
| 4505 | 160 |
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161 FloatNDArray float_array_value (bool = false) const |
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162 { return FloatNDArray (dim_vector (1, 1), scalar); } |
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163 |
| 5989 | 164 SparseMatrix sparse_matrix_value (bool = false) const |
| 165 { return SparseMatrix (Matrix (1, 1, scalar)); } | |
| 166 | |
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167 // FIXME Need SparseComplexMatrix (Matrix) constructor!!! |
| 5989 | 168 SparseComplexMatrix sparse_complex_matrix_value (bool = false) const |
| 169 { return SparseComplexMatrix (sparse_matrix_value ()); } | |
| 170 | |
| 5731 | 171 octave_value resize (const dim_vector& dv, bool fill = false) const; |
| 4915 | 172 |
| 2376 | 173 Complex complex_value (bool = false) const { return scalar; } |
| 174 | |
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175 FloatComplex float_complex_value (bool = false) const { return scalar; } |
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176 |
| 2376 | 177 ComplexMatrix complex_matrix_value (bool = false) const |
| 178 { return ComplexMatrix (1, 1, Complex (scalar)); } | |
| 179 | |
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180 FloatComplexMatrix float_complex_matrix_value (bool = false) const |
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181 { return FloatComplexMatrix (1, 1, FloatComplex (scalar)); } |
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182 |
| 4569 | 183 ComplexNDArray complex_array_value (bool = false) const |
| 4630 | 184 { return ComplexNDArray (dim_vector (1, 1), Complex (scalar)); } |
| 4569 | 185 |
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186 FloatComplexNDArray float_complex_array_value (bool = false) const |
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187 { return FloatComplexNDArray (dim_vector (1, 1), FloatComplex (scalar)); } |
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188 |
| 5533 | 189 charNDArray |
| 190 char_array_value (bool = false) const | |
| 191 { | |
| 192 charNDArray retval (dim_vector (1, 1)); | |
| 193 retval(0) = static_cast<char> (scalar); | |
| 194 return retval; | |
| 195 } | |
| 196 | |
| 5943 | 197 bool bool_value (bool warn = false) const |
| 198 { | |
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199 if (xisnan (scalar)) |
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200 error ("invalid conversion from NaN to logical"); |
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201 else if (warn && scalar != 0 && scalar != 1) |
| 5943 | 202 gripe_logical_conversion (); |
| 203 | |
| 204 return scalar; | |
| 205 } | |
| 5533 | 206 |
| 5943 | 207 boolNDArray bool_array_value (bool warn = false) const |
| 208 { | |
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209 if (xisnan (scalar)) |
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210 error ("invalid conversion from NaN to logical"); |
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211 else if (warn && scalar != 0 && scalar != 1) |
| 5943 | 212 gripe_logical_conversion (); |
| 213 | |
| 214 return boolNDArray (dim_vector (1, 1), scalar); | |
| 215 } | |
| 5533 | 216 |
| 5279 | 217 octave_value convert_to_str_internal (bool pad, bool force, char type) const; |
| 3223 | 218 |
| 2376 | 219 void increment (void) { ++scalar; } |
| 220 | |
| 221 void decrement (void) { --scalar; } | |
| 222 | |
| 6974 | 223 bool save_ascii (std::ostream& os); |
| 4687 | 224 |
| 225 bool load_ascii (std::istream& is); | |
| 226 | |
| 227 bool save_binary (std::ostream& os, bool& save_as_floats); | |
| 228 | |
| 229 bool load_binary (std::istream& is, bool swap, | |
| 230 oct_mach_info::float_format fmt); | |
| 231 | |
| 232 #if defined (HAVE_HDF5) | |
| 233 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); | |
| 234 | |
| 235 bool load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug); | |
| 236 #endif | |
| 237 | |
| 4944 | 238 int write (octave_stream& os, int block_size, |
| 239 oct_data_conv::data_type output_type, int skip, | |
| 240 oct_mach_info::float_format flt_fmt) const | |
| 241 { | |
| 242 return os.write (array_value (), block_size, output_type, | |
| 243 skip, flt_fmt); | |
| 244 } | |
| 245 | |
| 5900 | 246 mxArray *as_mxArray (void) const; |
| 247 | |
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248 octave_value map (unary_mapper_t umap) const; |
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249 |
| 2376 | 250 private: |
| 251 | |
| 4612 | 252 DECLARE_OCTAVE_ALLOCATOR |
| 2477 | 253 |
| 4612 | 254 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
| 2376 | 255 }; |
| 256 | |
| 257 #endif | |
| 258 | |
| 259 /* | |
| 260 ;;; Local Variables: *** | |
| 261 ;;; mode: C++ *** | |
| 262 ;;; End: *** | |
| 263 */ |