summaryrefslogtreecommitdiff
path: root/gnuradio-core/src/lib/general/gr_reverse.cc
blob: 08c588cb550e2aab189eec0f0a9929cd86f267fe (plain)
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
/* -*- c++ -*- */
/*
 * Copyright 2005 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio 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, or (at your option)
 * any later version.
 *
 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <gr_reverse.h>


std::vector<float>
gr_reverse (const std::vector<float> &taps)
{
  int size = taps.size ();
  std::vector<float> new_taps(size);

  if (size == 0)
    return new_taps;

  for (int i = 0; i < size; i++)
    new_taps[i] = taps[size - i - 1];

  return new_taps;
}


std::vector<gr_complex>
gr_reverse (const std::vector<gr_complex> &taps)
{
  int size = taps.size ();
  std::vector<gr_complex> new_taps(size);

  if (size == 0)
    return new_taps;

  for (int i = 0; i < size; i++)
    new_taps[i] = taps[size - i - 1];

  return new_taps;
}