zero_fdveps_ac.c 2.18 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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-----------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------
 *   zero wavefield
 *
 *  ----------------------------------------------------------------------*/

#include "fd.h"

void zero_fdveps_ac(int ny1, int ny2, int nx1, int nx2, float ** vx, float ** vy, float ** sp, float ** vxp1, float ** vyp1,
                 float ** psi_sxx_x, float ** psi_sxy_x, float ** psi_vxx, float ** psi_vyx, float ** psi_syy_y, float ** psi_sxy_y, float ** psi_vyy, float ** psi_vxy,
                 float ** psi_vxxs){



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	register int i, j;
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	extern int FW, NX, NY;

	
		for (j=ny1;j<=ny2;j++){
			for (i=nx1;i<=nx2;i++){
			
				vx[j][i]=0.0;
				vy[j][i]=0.0;
				sp[j][i]=0.0;
				vxp1[j][i]=0.0;
				vyp1[j][i]=0.0;
				
			}
		}
		
		for (j=1;j<=NY;j++){
		         for (i=1;i<=2*FW;i++){
		 
		                psi_sxx_x[j][i] = 0.0;
		                psi_sxy_x[j][i] = 0.0;
		                psi_vxx[j][i] = 0.0;
		                psi_vxxs[j][i] = 0.0;
		                psi_vyx[j][i] = 0.0;   
		 
		         }
		}
		
		for (j=1;j<=2*FW;j++){
		         for (i=1;i<=NX;i++){
		                
		                
		                psi_syy_y[j][i] = 0.0;
		                psi_sxy_y[j][i] = 0.0;
		                psi_vyy[j][i] = 0.0;
		                psi_vxy[j][i] = 0.0;
		                
		         }
		}            
	
}