writedsk.c 1.92 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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-----------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------
 *   Write one single amplitude on disk                                   
 *
 *  See COPYING file for copying and redistribution conditions.
 *  ----------------------------------------------------------------------*/

#include "fd.h"

/*
different data formats of output:
format=1  :  SU (IEEE)
format=2  :  ASCII
format=3  :  BINARY (IEEE)
*/


void writedsk(FILE *fp_out, float amp, int format){

#ifdef _CRAY1     
	float ampc;
	int type=2, num=1, bitoff=0, stride=1, ierr;
#endif


	switch(format){
	case 1 : /* SU*/

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		declare_error(" Sorry, SU-format for snapshots not implemented yet. \n");
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		break;
	case 2 :  /*ASCII*/
		fprintf(fp_out,"%e\n", amp);
		break;
	case 3 :   /* BINARY */
#ifdef _CRAY1     
		ierr=CRAY2IEG(&type, &num, &ampc, &bitoff, 
		    &amp,&stride);
		fwrite(&ampc,4,1,fp_out);
#else 
		fwrite(&amp, sizeof(float), 1, fp_out);
#endif
		break;

	default :
		printf(" Don't know the format for the snapshot-data !\n");
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		declare_error(" No output was written. ");
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	}
}