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/* -*- c++ -*- */
/*
* Copyright 2011-2012 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 <float_array_to_int.h>
#include <math.h>
#include <stdint.h>
static const int64_t MAX_INT = 2147483647; // (2^31)-1
static const int64_t MIN_INT = -2147483647; // -(2^31)-1
void
float_array_to_int(const float *in, int *out, float scale, int nsamples)
{
for (int i = 0; i < nsamples; i++){
int64_t r = llrintf(scale * in[i]);
if (r < MIN_INT)
r = MIN_INT;
else if (r > MAX_INT)
r = MAX_INT;
out[i] = static_cast<int>(r);
}
}
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