av_rho.c 1.14 KB
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/*-----------------------------------------------------------------------------------------
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 * Copyright (C) 2016  For the list of authors, see file AUTHORS.
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 *
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 * This file is part of IFOS.
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 * 
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 * IFOS is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2.0 of the License only.
 * 
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 * IFOS is distributed in the hope that it will be useful,
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 * 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
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 * along with IFOS. See file COPYING and/or <http://www.gnu.org/licenses/gpl-2.0.html>.
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-----------------------------------------------------------------------------------------*/

#include "fd.h"

void av_rho(float **rho, float **rip, float **rjp){

	extern int NX, NY;
	int i, j;
		
	
	for (j=1;j<=NY;j++){
		for (i=1;i<=NX;i++){
	       
			rjp[j][i] = 1.0/(0.5*(rho[j][i]+rho[j+1][i])); 	
			rip[j][i] = 1.0/(0.5*(rho[j][i]+rho[j][i+1])); 	
	
		}
	}
}