27 lines
		
	
	
	
		
			520 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
	
		
			520 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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/* $Id$ */
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/*
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		NEGATE A FLOATING POINT (NGF 4)
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*/
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/********************************************************/
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#include "FP_types.h"
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#include "get_put.h"
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#define OFF ((FL_MSW_AT_LOW_ADDRESS ? 0 : 2) + (FL_MSB_AT_LOW_ADDRESS ? 0 : 1))
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void
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ngf4(f)
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SINGLE	f;
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{
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	unsigned char *p;
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	if (f != (SINGLE) 0) {
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		p = (unsigned char *) &f + OFF;
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		*p ^= 0x80;
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	}
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}
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