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			39 lines
		
	
	
		
			860 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			860 B
		
	
	
	
		
			C
		
	
	
	
| 
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| /* @(#)w_cosh.c 1.3 95/01/18 */
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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 SunSoft, 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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| /* 
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|  * wrapper cosh(x)
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|  */
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| 
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| #include "fdlibm.h"
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| 
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| #ifdef __STDC__
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| 	double cosh(double x)		/* wrapper cosh */
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| #else
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| 	double cosh(x)			/* wrapper cosh */
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| 	double x;
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| #endif
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| {
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| #ifdef _IEEE_LIBM
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| 	return __ieee754_cosh(x);
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| #else
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| 	double z;
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| 	z = __ieee754_cosh(x);
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| 	if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
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| 	if(fabs(x)>7.10475860073943863426e+02) {	
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| 	        return __kernel_standard(x,x,5); /* cosh overflow */
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| 	} else
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| 	    return z;
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| #endif
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| }
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