/*
 * Copyright (c) 2003, Giuseppe Gottardi 'oveRet' <gottardi@ailinux.org>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <stdlib.h>
#include <math.h>
#include <common.h>
#include <nmr.h>


extern int bark;

double
nmr(double *Pnoise, double *M, double *nmrtmp, int n)
{
    int k;
    double sum = 0;

    for(k=0;k<bark;k++)
	sum += Pnoise[k]/M[k];

    sum *= (double)1.0/bark;
    *nmrtmp += sum;

    return (10.0*log10((*nmrtmp)/n));
}