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35 lines
859 B
C
35 lines
859 B
C
/* Optimizations by Ulrich Drepper <drepper@gmail.com>, 2011 */
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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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* wrapper cosh(x)
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*/
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#include <math.h>
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#include <math_private.h>
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#include <math-svid-compat.h>
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#include <libm-alias-double.h>
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#if LIBM_SVID_COMPAT
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double
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__cosh (double x)
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{
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double z = __ieee754_cosh (x);
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if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
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&& _LIB_VERSION != _IEEE_)
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return __kernel_standard (x, x, 5); /* cosh overflow */
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return z;
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}
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libm_alias_double (__cosh, cosh)
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#endif
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