uclibc-ng/libm/w_sinhf.c

/* w_sinhf.c -- float version of w_sinh.c.
 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
 */

/*
 * ====================================================
 * 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 sinhf(x)
 */

#include <math.h>
#include "math_private.h"

float
sinhf (float x)
{
#if defined(__UCLIBC_HAS_FENV__)
	float z = (float) __ieee754_sinh ((double) x);
	if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
	    && _LIB_VERSION != _IEEE_)
	    return __kernel_standard_f (x, x, 125); /* sinhf overflow */

	return z;
#else
	return (float) __ieee754_sinh ((double) x);
#endif
}