File: ov-scalar.h

package info (click to toggle)
octave 4.0.3-3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 94,200 kB
  • ctags: 52,925
  • sloc: cpp: 316,850; ansic: 43,469; fortran: 23,670; sh: 13,805; yacc: 8,204; objc: 7,939; lex: 3,631; java: 2,127; makefile: 1,746; perl: 1,022; awk: 988
file content (257 lines) | stat: -rw-r--r-- 7,199 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
/*

Copyright (C) 1996-2015 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_ov_scalar_h)
#define octave_ov_scalar_h 1

#include <stdlib.h>

#include <iosfwd>
#include <string>

#include "lo-ieee.h"
#include "lo-mappers.h"
#include "lo-utils.h"
#include "mx-base.h"
#include "str-vec.h"

#include "gripes.h"
#include "ov-base.h"
#include "ov-re-mat.h"
#include "ov-base-scalar.h"
#include "ov-typeinfo.h"

class octave_value_list;

class tree_walker;

// Real scalar values.

class
OCTINTERP_API
octave_scalar : public octave_base_scalar<double>
{
public:

  octave_scalar (void)
    : octave_base_scalar<double> (0.0) { }

  octave_scalar (double d)
    : octave_base_scalar<double> (d) { }

  octave_scalar (const octave_scalar& s)
    : octave_base_scalar<double> (s) { }

  ~octave_scalar (void) { }

  octave_base_value *clone (void) const { return new octave_scalar (*this); }

  // We return an octave_matrix here instead of an octave_scalar so
  // that in expressions like A(2,2,2) = 2 (for A previously
  // undefined), A will be empty instead of a 1x1 object.
  octave_base_value *empty_clone (void) const { return new octave_matrix (); }

  octave_value do_index_op (const octave_value_list& idx,
                            bool resize_ok = false);

  type_conv_info numeric_demotion_function (void) const;

  idx_vector index_vector (bool /* require_integers */ = false) const { return idx_vector (scalar); }

  octave_value any (int = 0) const
  { return (scalar != 0 && ! lo_ieee_isnan (scalar)); }

  builtin_type_t builtin_type (void) const { return btyp_double; }

  bool is_real_scalar (void) const { return true; }

  bool is_real_type (void) const { return true; }

  bool is_double_type (void) const { return true; }

  bool is_float_type (void) const { return true; }

  int8NDArray
  int8_array_value (void) const
  { return int8NDArray (dim_vector (1, 1), scalar); }

  int16NDArray
  int16_array_value (void) const
  { return int16NDArray (dim_vector (1, 1), scalar); }

  int32NDArray
  int32_array_value (void) const
  { return int32NDArray (dim_vector (1, 1), scalar); }

  int64NDArray
  int64_array_value (void) const
  { return int64NDArray (dim_vector (1, 1), scalar); }

  uint8NDArray
  uint8_array_value (void) const
  { return uint8NDArray (dim_vector (1, 1), scalar); }

  uint16NDArray
  uint16_array_value (void) const
  { return uint16NDArray (dim_vector (1, 1), scalar); }

  uint32NDArray
  uint32_array_value (void) const
  { return uint32NDArray (dim_vector (1, 1), scalar); }

  uint64NDArray
  uint64_array_value (void) const
  { return uint64NDArray (dim_vector (1, 1), scalar); }

#define DEFINE_INT_SCALAR_VALUE(TYPE) \
  octave_ ## TYPE \
  TYPE ## _scalar_value (void) const \
    { return octave_ ## TYPE (scalar); }

  DEFINE_INT_SCALAR_VALUE (int8)
  DEFINE_INT_SCALAR_VALUE (int16)
  DEFINE_INT_SCALAR_VALUE (int32)
  DEFINE_INT_SCALAR_VALUE (int64)
  DEFINE_INT_SCALAR_VALUE (uint8)
  DEFINE_INT_SCALAR_VALUE (uint16)
  DEFINE_INT_SCALAR_VALUE (uint32)
  DEFINE_INT_SCALAR_VALUE (uint64)

#undef DEFINE_INT_SCALAR_VALUE

  double double_value (bool = false) const { return scalar; }

  float float_value (bool = false) const
  { return static_cast<float> (scalar); }

  double scalar_value (bool = false) const { return scalar; }

  float float_scalar_value (bool = false) const
  { return static_cast<float> (scalar); }

  Matrix matrix_value (bool = false) const
  { return Matrix (1, 1, scalar); }

  FloatMatrix float_matrix_value (bool = false) const
  { return FloatMatrix (1, 1, scalar); }

  NDArray array_value (bool = false) const
  { return NDArray (dim_vector (1, 1), scalar); }

  FloatNDArray float_array_value (bool = false) const
  { return FloatNDArray (dim_vector (1, 1), scalar); }

  SparseMatrix sparse_matrix_value (bool = false) const
  { return SparseMatrix (Matrix (1, 1, scalar)); }

  // FIXME Need SparseComplexMatrix (Matrix) constructor!!!
  SparseComplexMatrix sparse_complex_matrix_value (bool = false) const
  { return SparseComplexMatrix (sparse_matrix_value ()); }

  octave_value resize (const dim_vector& dv, bool fill = false) const;

  Complex complex_value (bool = false) const { return scalar; }

  FloatComplex float_complex_value (bool = false) const { return scalar; }

  ComplexMatrix complex_matrix_value (bool = false) const
  { return  ComplexMatrix (1, 1, Complex (scalar)); }

  FloatComplexMatrix float_complex_matrix_value (bool = false) const
  { return  FloatComplexMatrix (1, 1, FloatComplex (scalar)); }

  ComplexNDArray complex_array_value (bool = false) const
  { return ComplexNDArray (dim_vector (1, 1), Complex (scalar)); }

  FloatComplexNDArray float_complex_array_value (bool = false) const
  { return FloatComplexNDArray (dim_vector (1, 1), FloatComplex (scalar)); }

  charNDArray
  char_array_value (bool = false) const
  {
    charNDArray retval (dim_vector (1, 1));
    retval(0) = static_cast<char> (scalar);
    return retval;
  }

  bool bool_value (bool warn = false) const
  {
    if (xisnan (scalar))
      gripe_nan_to_logical_conversion ();
    else if (warn && scalar != 0 && scalar != 1)
      gripe_logical_conversion ();

    return scalar;
  }

  boolNDArray bool_array_value (bool warn = false) const
  {
    if (xisnan (scalar))
      gripe_nan_to_logical_conversion ();
    else if (warn && scalar != 0 && scalar != 1)
      gripe_logical_conversion ();

    return boolNDArray (dim_vector (1, 1), scalar);
  }

  octave_value diag (octave_idx_type m, octave_idx_type n) const;

  octave_value convert_to_str_internal (bool pad, bool force, char type) const;

  void increment (void) { ++scalar; }

  void decrement (void) { --scalar; }

  bool save_ascii (std::ostream& os);

  bool load_ascii (std::istream& is);

  bool save_binary (std::ostream& os, bool& save_as_floats);

  bool load_binary (std::istream& is, bool swap,
                    oct_mach_info::float_format fmt);

  bool save_hdf5 (octave_hdf5_id loc_id, const char *name, bool save_as_floats);

  bool load_hdf5 (octave_hdf5_id loc_id, const char *name);

  int write (octave_stream& os, int block_size,
             oct_data_conv::data_type output_type, int skip,
             oct_mach_info::float_format flt_fmt) const
  {
    return os.write (array_value (), block_size, output_type,
                     skip, flt_fmt);
  }

  mxArray *as_mxArray (void) const;

  octave_value map (unary_mapper_t umap) const;

  bool fast_elem_insert_self (void *where, builtin_type_t btyp) const;

private:


  DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};

#endif