2017-09-06 23:48:41 +08:00
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/* w_expl.c -- long double version of w_exp.c.
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* Conversion to long double by Ulrich Drepper,
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* Cygnus Support, drepper@cygnus.com.
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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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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: $";
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#endif
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/*
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* wrapper expl(x)
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*/
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1999-07-14 08:54:57 +08:00
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#include <math.h>
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2017-09-06 23:48:41 +08:00
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#include <math_private.h>
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#include <math-svid-compat.h>
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2017-09-19 01:51:33 +08:00
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#include <libm-alias-ldouble.h>
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1999-07-14 08:54:57 +08:00
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2017-09-06 23:48:41 +08:00
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#if LIBM_SVID_COMPAT
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long double __expl(long double x) /* wrapper exp */
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1999-07-14 08:54:57 +08:00
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{
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2017-09-06 23:48:41 +08:00
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# ifdef _IEEE_LIBM
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return __ieee754_expl(x);
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# else
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long double z = __ieee754_expl (x);
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if (__glibc_unlikely (!isfinite (z) || z == 0)
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&& isfinite (x) && _LIB_VERSION != _IEEE_)
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return __kernel_standard_l (x, x, 206 + !!signbit (x));
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1999-07-14 08:54:57 +08:00
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2017-09-06 23:48:41 +08:00
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return z;
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# endif
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}
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2018-04-30 22:45:42 +08:00
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libm_hidden_def (__expl)
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2017-09-19 01:51:33 +08:00
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libm_alias_ldouble (__exp, exp)
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2017-09-06 23:48:41 +08:00
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#endif
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