1/* w_expl.c -- long double version of w_exp.c.
2 * Conversion to long double by Ulrich Drepper,
3 * Cygnus Support, drepper@cygnus.com.
4 */
5
6/*
7 * ====================================================
8 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
9 *
10 * Developed at SunPro, a Sun Microsystems, Inc. business.
11 * Permission to use, copy, modify, and distribute this
12 * software is freely granted, provided that this notice
13 * is preserved.
14 * ====================================================
15 */
16
17#if defined(LIBM_SCCS) && !defined(lint)
18static char rcsid[] = "$NetBSD: $";
19#endif
20
21/*
22 * wrapper expl(x)
23 */
24
25#include <math.h>
26#include <math_private.h>
27#include <math-svid-compat.h>
28#include <libm-alias-ldouble.h>
29
30#if LIBM_SVID_COMPAT
31long double __expl(long double x) /* wrapper exp */
32{
33# ifdef _IEEE_LIBM
34 return __ieee754_expl(x);
35# else
36 long double z = __ieee754_expl (x);
37 if (__glibc_unlikely (!isfinite (z) || z == 0)
38 && isfinite (x) && _LIB_VERSION != _IEEE_)
39 return __kernel_standard_l (x, x, 206 + !!signbit (x));
40
41 return z;
42# endif
43}
44libm_hidden_def (__expl)
45libm_alias_ldouble (__exp, exp)
46#endif
47