This file is indexed.

/usr/include/octave-4.2.2/octave/ov-perm.h is in liboctave-dev 4.2.2-1ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
/*

Copyright (C) 2008-2017 Jaroslav Hajek

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_perm_h)
#define octave_ov_perm_h 1

#include "octave-config.h"

#include "mx-base.h"
#include "str-vec.h"

#include "ov-base.h"
#include "ov-typeinfo.h"
#include "ovl.h"

class
OCTINTERP_API
octave_perm_matrix : public octave_base_value
{
public:
  octave_perm_matrix (void) : matrix (), dense_cache () { }

  octave_perm_matrix (const PermMatrix& p) : matrix (p), dense_cache () { }

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

  type_conv_info numeric_conversion_function (void) const;

  octave_base_value *try_narrowing_conversion (void);

  size_t byte_size (void) const { return matrix.byte_size (); }

  octave_value squeeze (void) const { return matrix; }

  octave_value full_value (void) const { return to_dense (); }

  octave_value subsref (const std::string& type,
                        const std::list<octave_value_list>& idx);

  octave_value_list subsref (const std::string& type,
                             const std::list<octave_value_list>& idx, int)
  { return subsref (type, idx); }

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

  dim_vector dims (void) const { return matrix.dims (); }

  octave_idx_type nnz (void) const { return matrix.rows (); }

  octave_value reshape (const dim_vector& new_dims) const
  { return to_dense ().reshape (new_dims); }

  octave_value permute (const Array<int>& vec, bool inv = false) const
  { return to_dense ().permute (vec, inv); }

  octave_value resize (const dim_vector& dv, bool fill = false) const
  { return to_dense ().resize (dv, fill); }

  octave_value all (int dim = 0) const { return to_dense ().all (dim); }
  octave_value any (int dim = 0) const { return to_dense ().any (dim); }

  MatrixType matrix_type (void) const { return MatrixType::Permuted_Diagonal; }
  MatrixType matrix_type (const MatrixType&) const
  { return matrix_type (); }

  octave_value diag (octave_idx_type k = 0) const
  { return to_dense () .diag (k); }

  octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const
  { return to_dense ().sort (dim, mode); }
  octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type dim = 0,
                     sortmode mode = ASCENDING) const
  { return to_dense ().sort (sidx, dim, mode); }

  sortmode is_sorted (sortmode mode = UNSORTED) const
  { return to_dense ().is_sorted (mode); }

  Array<octave_idx_type> sort_rows_idx (sortmode mode = ASCENDING) const
  { return to_dense ().sort_rows_idx (mode); }

  sortmode is_sorted_rows (sortmode mode = UNSORTED) const
  { return to_dense ().is_sorted_rows (mode); }

  builtin_type_t builtin_type (void) const { return btyp_double; }

  bool is_perm_matrix (void) const { return true; }

  bool is_matrix_type (void) const { return true; }

  bool is_numeric_type (void) const { return true; }

  bool is_defined (void) const { return true; }

  bool is_constant (void) const { return true; }

  bool is_real_matrix (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; }

  bool is_true (void) const;

  double double_value (bool = false) const;

  float float_value (bool = false) const;

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

  idx_vector index_vector (bool require_integers = false) const;

  PermMatrix perm_matrix_value (void) const
  { return matrix; }

  Matrix matrix_value (bool = false) const;

  FloatMatrix float_matrix_value (bool = false) const;

  Complex complex_value (bool = false) const;

  FloatComplex float_complex_value (bool = false) const;

  ComplexMatrix complex_matrix_value (bool = false) const;

  FloatComplexMatrix float_complex_matrix_value (bool = false) const;

  ComplexNDArray complex_array_value (bool = false) const;

  FloatComplexNDArray float_complex_array_value (bool = false) const;

  boolNDArray bool_array_value (bool warn = false) const;

  charNDArray char_array_value (bool = false) const;

  NDArray array_value (bool = false) const;

  FloatNDArray float_array_value (bool = false) const;

  SparseMatrix sparse_matrix_value (bool = false) const;

  SparseBoolMatrix sparse_bool_matrix_value (bool = false) const;

  SparseComplexMatrix sparse_complex_matrix_value (bool = false) const;

  int8NDArray
  int8_array_value (void) const { return to_dense ().int8_array_value (); }

  int16NDArray
  int16_array_value (void) const { return to_dense ().int16_array_value (); }

  int32NDArray
  int32_array_value (void) const { return to_dense ().int32_array_value (); }

  int64NDArray
  int64_array_value (void) const { return to_dense ().int64_array_value (); }

  uint8NDArray
  uint8_array_value (void) const { return to_dense ().uint8_array_value (); }

  uint16NDArray
  uint16_array_value (void) const { return to_dense ().uint16_array_value (); }

  uint32NDArray
  uint32_array_value (void) const { return to_dense ().uint32_array_value (); }

  uint64NDArray
  uint64_array_value (void) const { return to_dense ().uint64_array_value (); }

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

  octave_value as_double (void) const;
  octave_value as_single (void) const;

  octave_value as_int8 (void) const;
  octave_value as_int16 (void) const;
  octave_value as_int32 (void) const;
  octave_value as_int64 (void) const;

  octave_value as_uint8 (void) const;
  octave_value as_uint16 (void) const;
  octave_value as_uint32 (void) const;
  octave_value as_uint64 (void) const;

  void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;

  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,
                    octave::mach_info::float_format fmt);

  int write (octave_stream& os, int block_size,
             oct_data_conv::data_type output_type, int skip,
             octave::mach_info::float_format flt_fmt) const;

  mxArray *as_mxArray (void) const;

  bool print_as_scalar (void) const;

  void print (std::ostream& os, bool pr_as_read_syntax = false);

  void print_info (std::ostream& os, const std::string& prefix) const;

  octave_value map (unary_mapper_t umap) const
  { return to_dense ().map (umap); }

  octave_value fast_elem_extract (octave_idx_type n) const;

protected:

  PermMatrix matrix;

  virtual octave_value to_dense (void) const;

  mutable octave_value dense_cache;

private:

  DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};

#endif