This file is indexed.

/usr/include/cpl_matrix.h is in libcpl-dev 5.3.1-1.

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
/* $Id: cpl_matrix.h,v 1.37 2010/11/23 11:02:06 llundin Exp $
 *
 * This file is part of the ESO Common Pipeline Library
 * Copyright (C) 2001-2008 European Southern Observatory
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

/*
 * $Author: llundin $
 * $Date: 2010/11/23 11:02:06 $
 * $Revision: 1.37 $
 * $Name: cpl-5_3_0-BRANCH $
 */

#ifndef CPL_MATRIX_H
#define CPL_MATRIX_H

/*-----------------------------------------------------------------------------
                                   Includes
 -----------------------------------------------------------------------------*/

#include <stdio.h>

#include <cpl_macros.h>
#include <cpl_error.h>

CPL_BEGIN_DECLS

/*-----------------------------------------------------------------------------
                                   Typedefs
 -----------------------------------------------------------------------------*/

typedef struct _cpl_matrix_ cpl_matrix;

/*-----------------------------------------------------------------------------
                            Function prototypes
 -----------------------------------------------------------------------------*/

/*
 * IO methods
 */

cpl_matrix *cpl_matrix_new(int, int) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_wrap(int, int, double *) CPL_ATTR_ALLOC;
void cpl_matrix_delete(cpl_matrix *);
void *cpl_matrix_unwrap(cpl_matrix *);
void cpl_matrix_dump(const cpl_matrix *, FILE *);

/*
 * Accessors 
 */

int cpl_matrix_get_nrow(const cpl_matrix *);
int cpl_matrix_get_ncol(const cpl_matrix *);
      double *cpl_matrix_get_data(cpl_matrix *);
const double *cpl_matrix_get_data_const(const cpl_matrix *);
double cpl_matrix_get(const cpl_matrix *, int, int);
cpl_error_code cpl_matrix_set(cpl_matrix *, int, int, double);

/*
 * Copying methods
 */

cpl_matrix *cpl_matrix_duplicate(const cpl_matrix *) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_extract(const cpl_matrix *, 
                               int, int, int, int, int, int) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_extract_row(const cpl_matrix *, int) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_extract_column(const cpl_matrix *, int) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_extract_diagonal(const cpl_matrix *, int) CPL_ATTR_ALLOC;

/*
 * Writing methods
 */

cpl_error_code cpl_matrix_copy(cpl_matrix *, const cpl_matrix *, int, int);
cpl_error_code cpl_matrix_fill(cpl_matrix *, double);
cpl_error_code cpl_matrix_fill_row(cpl_matrix *, double, int);
cpl_error_code cpl_matrix_fill_column(cpl_matrix *, double, int);
cpl_error_code cpl_matrix_fill_diagonal(cpl_matrix *, double, int);
cpl_error_code cpl_matrix_fill_window(cpl_matrix *, double, 
                                         int, int, int, int);

/*
 * Test methods
 */

int cpl_matrix_is_zero(const cpl_matrix *, double);
int cpl_matrix_is_diagonal(const cpl_matrix *, double);
int cpl_matrix_is_identity(const cpl_matrix *, double);

/*
 * Sorting methods
 */

cpl_error_code cpl_matrix_sort_rows(cpl_matrix *, int);
cpl_error_code cpl_matrix_sort_columns(cpl_matrix *, int);

/*
 * Handling methods
 */

cpl_error_code cpl_matrix_threshold_small(cpl_matrix *, double);
cpl_error_code cpl_matrix_swap_rows(cpl_matrix *, int, int);
cpl_error_code cpl_matrix_swap_columns(cpl_matrix *, int, int);
cpl_error_code cpl_matrix_swap_rowcolumn(cpl_matrix *, int);
cpl_error_code cpl_matrix_flip_rows(cpl_matrix *);
cpl_error_code cpl_matrix_flip_columns(cpl_matrix *);
cpl_error_code cpl_matrix_erase_rows(cpl_matrix *, int, int);
cpl_error_code cpl_matrix_erase_columns(cpl_matrix *, int, int);
cpl_error_code cpl_matrix_set_size(cpl_matrix *, int, int);
cpl_error_code cpl_matrix_resize(cpl_matrix *, int, int, int, int);
cpl_error_code cpl_matrix_append(cpl_matrix *, const cpl_matrix *, int);   

/*
 * Basic operations
 */

cpl_error_code cpl_matrix_shift(cpl_matrix *, int, int);
cpl_error_code cpl_matrix_add(cpl_matrix *, const cpl_matrix *);
cpl_error_code cpl_matrix_subtract(cpl_matrix *, const cpl_matrix *);
cpl_error_code cpl_matrix_multiply(cpl_matrix *, const cpl_matrix *);
cpl_error_code cpl_matrix_divide(cpl_matrix *, const cpl_matrix *);

cpl_error_code cpl_matrix_add_scalar(cpl_matrix *, double);
cpl_error_code cpl_matrix_subtract_scalar(cpl_matrix *, double);
cpl_error_code cpl_matrix_multiply_scalar(cpl_matrix *, double);
cpl_error_code cpl_matrix_divide_scalar(cpl_matrix *, double);
cpl_error_code cpl_matrix_logarithm(cpl_matrix *, double);
cpl_error_code cpl_matrix_exponential(cpl_matrix *, double);
cpl_error_code cpl_matrix_power(cpl_matrix *, double);
cpl_matrix *cpl_matrix_product_create(const cpl_matrix *,
                                      const cpl_matrix *) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_transpose_create(const cpl_matrix *) CPL_ATTR_ALLOC;

/*
 * More complex operations
 */

double cpl_matrix_get_determinant(const cpl_matrix *);
cpl_matrix *cpl_matrix_solve(const cpl_matrix *,
                             const cpl_matrix *) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_solve_normal(const cpl_matrix *,
                                    const cpl_matrix *) CPL_ATTR_ALLOC;
cpl_matrix *cpl_matrix_invert_create(const cpl_matrix *) CPL_ATTR_ALLOC;

cpl_error_code cpl_matrix_decomp_lu(cpl_matrix *, int *, int *);
cpl_error_code cpl_matrix_solve_lu(const cpl_matrix *, cpl_matrix *,
                                   const int *);
cpl_error_code cpl_matrix_decomp_chol(cpl_matrix *);
cpl_error_code cpl_matrix_solve_chol(const cpl_matrix *, cpl_matrix *);

/*
 * Stats methods
 */

double cpl_matrix_get_mean(const cpl_matrix *);
double cpl_matrix_get_median(const cpl_matrix *);
double cpl_matrix_get_stdev(const cpl_matrix *);
double cpl_matrix_get_min(const cpl_matrix *);
double cpl_matrix_get_max(const cpl_matrix *);
cpl_error_code cpl_matrix_get_minpos(const cpl_matrix *, int *, int *);
cpl_error_code cpl_matrix_get_maxpos(const cpl_matrix *, int *, int *);

CPL_END_DECLS

#endif
/* end of cpl_matrix.h */