This file is indexed.

/usr/include/aubio/fvec.h is in libaubio-dev 0.4.3-4.

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
/*
  Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org>

  This file is part of aubio.

  aubio 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.

  aubio 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 aubio.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef AUBIO_FVEC_H
#define AUBIO_FVEC_H

#ifdef __cplusplus
extern "C" {
#endif

/** \file

  Vector of real-valued data

  This file specifies the ::fvec_t buffer type, which is used throughout aubio
  to store vector of real-valued ::smpl_t.

  \example test-fvec.c

*/

/** Buffer for real data

  Vector of real-valued data

  ::fvec_t is is the structure used to store vector of real-valued data, ::smpl_t .

  \code

  uint_t buffer_size = 1024;

  // create a vector of 512 values
  fvec_t * input = new_fvec (buffer_size);

  // set some values of the vector
  input->data[23] = 2.;
  // ..

  // compute the mean of the vector
  mean = fvec_mean(a_vector);

  // destroy the vector
  del_fvec(a_vector);

  \endcode

  See `examples/` and `tests/src` directories for more examples.

 */
typedef struct {
  uint_t length;  /**< length of buffer */
  smpl_t *data;   /**< data vector of length ::fvec_t.length */
} fvec_t;

/** fvec_t buffer creation function

  \param length the length of the buffer to create

*/
fvec_t * new_fvec(uint_t length);

/** fvec_t buffer deletion function

  \param s buffer to delete as returned by new_fvec()

*/
void del_fvec(fvec_t *s);

/** read sample value in a buffer

  \param s vector to read from
  \param position sample position to read from

*/
smpl_t fvec_get_sample(const fvec_t *s, uint_t position);

/** write sample value in a buffer

  \param s vector to write to
  \param data value to write in s->data[position]
  \param position sample position to write to

*/
void  fvec_set_sample(fvec_t *s, smpl_t data, uint_t position);

/** read data from a buffer

  \param s vector to read from

*/
smpl_t * fvec_get_data(const fvec_t *s);

/** print out fvec data

  \param s vector to print out

*/
void fvec_print(const fvec_t *s);

/** set all elements to a given value

  \param s vector to modify
  \param val value to set elements to

*/
void fvec_set_all (fvec_t *s, smpl_t val);

/** set all elements to zero

  \param s vector to modify

*/
void fvec_zeros(fvec_t *s);

/** set all elements to ones

  \param s vector to modify

*/
void fvec_ones(fvec_t *s);

/** revert order of vector elements

  \param s vector to revert

*/
void fvec_rev(fvec_t *s);

/** apply weight to vector

  If the weight vector is longer than s, only the first elements are used. If
  the weight vector is shorter than s, the last elements of s are not weighted.

  \param s vector to weight
  \param weight weighting coefficients

*/
void fvec_weight(fvec_t *s, const fvec_t *weight);

/** make a copy of a vector

  \param s source vector
  \param t vector to copy to

*/
void fvec_copy(const fvec_t *s, fvec_t *t);

/** make a copy of a vector, applying weights to each element

  \param in input vector
  \param weight weights vector
  \param out output vector

*/
void fvec_weighted_copy(const fvec_t *in, const fvec_t *weight, fvec_t *out);

#ifdef __cplusplus
}
#endif

#endif /* AUBIO_FVEC_H */