/* -*- 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.

 */

#define _ISOC9X_SOURCE

#include <gri_float_to_uchar.h>

#include <math.h>

static const int MIN_UCHAR = 0;

static const int MAX_UCHAR =  255;

void 

gri_float_to_uchar (const float *in, unsigned char *out, int nsamples)

{

  for (int i = 0; i < nsamples; i++){

    long int r = (long int) rint (in[i]);

    if (r < MIN_UCHAR)

      r = MIN_UCHAR;

    else if (r > MAX_UCHAR)

      r = MAX_UCHAR;

    out[i] = r;

  }

}