GNU Octave  3.8.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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ov-flt-re-mat.h
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1 /*
2 
3 Copyright (C) 1996-2013 John W. Eaton
4 Copyright (C) 2009-2010 VZLU Prague
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
10 Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
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
19 along with Octave; see the file COPYING. If not, see
20 <http://www.gnu.org/licenses/>.
21 
22 */
23 
24 #if !defined (octave_ov_flt_re_mat_h)
25 #define octave_ov_flt_re_mat_h 1
26 
27 #include <cstdlib>
28 
29 #include <iosfwd>
30 #include <string>
31 
32 #include "mx-base.h"
33 #include "oct-alloc.h"
34 #include "str-vec.h"
35 
36 #include "error.h"
37 #include "oct-stream.h"
38 #include "ov-base.h"
39 #include "ov-base-mat.h"
40 #include "ov-typeinfo.h"
41 
42 #include "MatrixType.h"
43 
44 class octave_value_list;
45 
46 class tree_walker;
47 
48 // Real matrix values.
49 
50 class
53 {
54 public:
55 
58 
61 
63  : octave_base_matrix<FloatNDArray> (m, t) { }
64 
66  : octave_base_matrix<FloatNDArray> (nda) { }
67 
70 
73 
76 
79 
82 
84 
85  octave_base_value *clone (void) const
86  { return new octave_float_matrix (*this); }
87  octave_base_value *empty_clone (void) const
88  { return new octave_float_matrix (); }
89 
90  octave_base_value *try_narrowing_conversion (void);
91 
92  idx_vector index_vector (void) const
93  { return idx_cache ? *idx_cache : set_idx_cache (idx_vector (matrix)); }
94 
95  builtin_type_t builtin_type (void) const { return btyp_float; }
96 
97  bool is_real_matrix (void) const { return true; }
98 
99  bool is_real_type (void) const { return true; }
100 
101  bool is_single_type (void) const { return true; }
102 
103  bool is_float_type (void) const { return true; }
104 
106  int8_array_value (void) const { return int8NDArray (matrix); }
107 
109  int16_array_value (void) const { return int16NDArray (matrix); }
110 
112  int32_array_value (void) const { return int32NDArray (matrix); }
113 
115  int64_array_value (void) const { return int64NDArray (matrix); }
116 
118  uint8_array_value (void) const { return uint8NDArray (matrix); }
119 
121  uint16_array_value (void) const { return uint16NDArray (matrix); }
122 
124  uint32_array_value (void) const { return uint32NDArray (matrix); }
125 
127  uint64_array_value (void) const { return uint64NDArray (matrix); }
128 
129  double double_value (bool = false) const;
130 
131  float float_value (bool = false) const;
132 
133  double scalar_value (bool frc_str_conv = false) const
134  { return double_value (frc_str_conv); }
135 
136  float float_scalar_value (bool frc_str_conv = false) const
137  { return float_value (frc_str_conv); }
138 
139  Matrix matrix_value (bool = false) const;
140 
141  FloatMatrix float_matrix_value (bool = false) const;
142 
143  Complex complex_value (bool = false) const;
144 
145  FloatComplex float_complex_value (bool = false) const;
146 
147  ComplexMatrix complex_matrix_value (bool = false) const;
148 
149  FloatComplexMatrix float_complex_matrix_value (bool = false) const;
150 
151  ComplexNDArray complex_array_value (bool = false) const;
152 
153  FloatComplexNDArray float_complex_array_value (bool = false) const;
154 
155  boolNDArray bool_array_value (bool warn = false) const;
156 
157  charNDArray char_array_value (bool = false) const;
158 
159  NDArray array_value (bool = false) const;
160 
161  FloatNDArray float_array_value (bool = false) const { return matrix; }
162 
163  SparseMatrix sparse_matrix_value (bool = false) const;
164 
165  SparseComplexMatrix sparse_complex_matrix_value (bool = false) const;
166 
167  octave_value diag (octave_idx_type k = 0) const;
168 
169  octave_value diag (octave_idx_type m, octave_idx_type n) const;
170 
171  // Use matrix_ref here to clear index cache.
172  void increment (void) { matrix_ref () += 1.0; }
173 
174  void decrement (void) { matrix_ref () -= 1.0; }
175 
176  void changesign (void) { matrix_ref ().changesign (); }
177 
178  octave_value convert_to_str_internal (bool pad, bool force, char type) const;
179 
180  void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
181 
182  bool save_ascii (std::ostream& os);
183 
184  bool load_ascii (std::istream& is);
185 
186  bool save_binary (std::ostream& os, bool& save_as_floats);
187 
188  bool load_binary (std::istream& is, bool swap,
190 
191 #if defined (HAVE_HDF5)
192  bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);
193 
194  bool load_hdf5 (hid_t loc_id, const char *name);
195 #endif
196 
197  int write (octave_stream& os, int block_size,
198  oct_data_conv::data_type output_type, int skip,
199  oct_mach_info::float_format flt_fmt) const
200  { return os.write (matrix, block_size, output_type, skip, flt_fmt); }
201 
202  // Unsafe. This function exists to support the MEX interface.
203  // You should not use it anywhere else.
204  void *mex_get_data (void) const { return matrix.mex_get_data (); }
205 
206  mxArray *as_mxArray (void) const;
207 
208  octave_value map (unary_mapper_t umap) const;
209 
210 private:
212 
214 };
215 
216 #endif