3 * Copyright 2002 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #define _ISOC9X_SOURCE
24 #include <gri_float_to_char.h>
27 static const int MIN_CHAR = -128;
28 static const int MAX_CHAR = 127;
32 gri_float_to_char (const float *in, char *out, int nsamples)
34 for (int i = 0; i < nsamples; i++){
35 long int r = (long int) rint (in[i]);
38 else if (r > MAX_CHAR)