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/* -*- c++ -*- */
/*
* Copyright 2002 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
#define _ISOC9X_SOURCE
#include <gri_float_to_char.h>
#include <math.h>
static const int MIN_CHAR = -128;
static const int MAX_CHAR = 127;
void
gri_float_to_char (const float *in, char *out, int nsamples)
{
for (int i = 0; i < nsamples; i++){
long int r = (long int) rint (in[i]);
if (r < MIN_CHAR)
r = MIN_CHAR;
else if (r > MAX_CHAR)
r = MAX_CHAR;
out[i] = r;
}
}
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