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			35 lines
		
	
	
		
			974 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			974 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* @(#)s_signif.c 5.1 93/09/24 */
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| /*
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|  * ====================================================
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|  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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|  *
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|  * Developed at SunPro, a Sun Microsystems, Inc. business.
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|  * Permission to use, copy, modify, and distribute this
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|  * software is freely granted, provided that this notice
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|  * is preserved.
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|  * ====================================================
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|  */
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| 
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| #if defined(LIBM_SCCS) && !defined(lint)
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| static char rcsid[] = "$NetBSD: s_significand.c,v 1.6 1995/05/10 20:48:11 jtc Exp $";
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| #endif
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| 
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| /*
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|  * significand(x) computes just
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|  * 	scalb(x, (double) -ilogb(x)),
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|  * for exercising the fraction-part(F) IEEE 754-1985 test vector.
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|  */
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| 
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| #include <math.h>
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| #include <math_private.h>
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| 
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| double __significand(double x)
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| {
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| 	return __ieee754_scalb(x,(double) -__ilogb(x));
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| }
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| weak_alias (__significand, significand)
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| #ifdef NO_LONG_DOUBLE
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| strong_alias (__significand, __significandl)
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| weak_alias (__significand, significandl)
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| #endif
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