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/* Optimizations bu Ulrich Drepper <drepper@gmail.com>, 2011 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* wrapper cosh(x)
*/
#include <math.h>
#include "math_private.h"
double
cosh (double x)
{
#if defined(__UCLIBC_HAS_FENV__)
double z = __ieee754_cosh (x);
if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
&& _LIB_VERSION != _IEEE_)
return __kernel_standard (x, x, 5); /* cosh overflow */
return z;
#else
return __ieee754_cosh (x);
#endif
}
libm_hidden_def(cosh)
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