35 lines
		
	
	
	
		
			834 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
	
		
			834 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|   (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
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|   See the copyright notice in the ACK home directory, in the file "Copyright".
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| */
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| 
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| /* $Header$ */
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| 
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| /*
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| 		CONVERT DOUBLE TO FLOAT
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| 
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| 	This routine works quite simply. A floating point
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| 	of size 08 is converted to extended format.
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| 	This extended variable is converted back to
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| 	a floating point of size 04.
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| 
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| */
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| 
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| #include	"FP_types.h"
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| 
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| cff4(src)
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| _double	src;	/* the source itself -	THIS TIME it's DOUBLE */
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| {
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| 	EXTEND	buf;
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| 
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| 	extend(&src,&buf,8);	/* no matter what */
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| #ifdef	PRT_EXT
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| 	prt_ext("CFF4() entry:",&buf);
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| 	fprintf(stderr,"ds(%d),ss(%d),src(%08X%08X)\n",8,4,src.__double[0],
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| 							   src.__double[1]);
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| #endif	PRT_EXT
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| 	compact(&buf,(_double *) &(src.__double[1]),4);
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| #ifdef	PRT_EXT
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| 	fprintf(stderr,"CFF4() exit : %08X\n",src.__double[1]);
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| #endif	PRT_EXT
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| }
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