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	libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
		
			
				
	
	
		
			35 lines
		
	
	
		
			893 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			893 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* w_coshf.c -- float version of w_cosh.c.
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|  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
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|  * Optimizations by Ulrich Drepper <drepper@gmail.com>, 2011.
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|  */
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| 
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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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| /*
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|  * wrapper coshf(x)
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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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| float
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| __coshf (float x)
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| {
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| 	float z = __ieee754_coshf (x);
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| 	if (__builtin_expect (!__finitef (z), 0) && __finitef (x)
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| 	    && _LIB_VERSION != _IEEE_)
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| 		return __kernel_standard_f (x, x, 105); /* cosh overflow */
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| 
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| 	return z;
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| }
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| weak_alias (__coshf, coshf)
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