/* 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>

#include <math-svid-compat.h>

#include <libm-alias-double.h>

#if LIBM_SVID_COMPAT

double

__cosh (double x)

{

	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;

}

libm_alias_double (__cosh, cosh)

#endif