lbfgs_save.c 1.59 KB
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/*------------------------------------------------------------------------
 * Copyright (C) 2015 For the list of authors, see file AUTHORS.
 *
 * This file is part of IFOS3D.
 * 
 * IFOS3D 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, version 2.0 of the License only.
 * 
 * IFOS3D 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 IFOS3D. See file COPYING and/or 
 * <http://www.gnu.org/licenses/gpl-2.0.html>.
--------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------------------
 * saves gradient for L_BFGS calculation; only first iteration, later saved in lbfgs.c
 --------------------------------------------------------------------------------------*/

#include "fd.h"
void lbfgs_savegrad(float ***grad1, float ***grad2, float ***grad3,float **bfgsgrad1){

	int d,i,j,k;
	extern int NX,NY, NZ;
	
	
		d=0;
		for (j=1;j<=NY;j++){
			for (i=1;i<=NX;i++){
				for (k=1;k<=NZ;k++){
				d++;
						bfgsgrad1[1][d]=+grad1[j][i][k];
						/*bfgsgrad3[1][d]=+grad3[j][i][k];*/
					
				}
			}
		}
		d=NX*NY*NZ;
		for (j=1;j<=NY;j++){
			for (i=1;i<=NX;i++){
				for (k=1;k<=NZ;k++){
				d++;
						bfgsgrad1[1][d]=+grad2[j][i][k];
				}
			}
		}
		

	

}