projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| bcea7ad6 SN |
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) | |
| 18 | static char rcsid[] = "$NetBSD: $"; | |
| 19 | #endif | |
| 20 | ||
| 21 | /* | |
| 22 | * wrapper expl(x) | |
| 23 | */ | |
| 24 | ||
| abfbdde1 | 25 | #include <math.h> |
| bcea7ad6 SN |
26 | #include <math_private.h> |
| 27 | #include <math-svid-compat.h> | |
| 92892fdb | 28 | #include <libm-alias-ldouble.h> |
| abfbdde1 | 29 | |
| bcea7ad6 SN |
30 | #if LIBM_SVID_COMPAT |
| 31 | long double __expl(long double x) /* wrapper exp */ | |
| abfbdde1 | 32 | { |
| bcea7ad6 SN |
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)); | |
| abfbdde1 | 40 | |
| bcea7ad6 SN |
41 | return z; |
| 42 | # endif | |
| 43 | } | |
| dc115e1c | 44 | libm_hidden_def (__expl) |
| 92892fdb | 45 | libm_alias_ldouble (__exp, exp) |
| bcea7ad6 | 46 | #endif |