diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/w_expl_compat.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/w_expl_compat.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128/w_expl_compat.c b/sysdeps/ieee754/ldbl-128/w_expl_compat.c new file mode 100644 index 0000000000..c32616e504 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128/w_expl_compat.c @@ -0,0 +1,42 @@ +/* w_expl.c -- long double version of w_exp.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@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. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: $"; +#endif + +/* + * wrapper expl(x) + */ + +#include <math.h> +#include <math_private.h> + +long double __expl(long double x) /* wrapper exp */ +{ +#ifdef _IEEE_LIBM + return __ieee754_expl(x); +#else + long double z = __ieee754_expl (x); + if (__glibc_unlikely (!isfinite (z) || z == 0) + && isfinite (x) && _LIB_VERSION != _IEEE_) + return __kernel_standard_l (x, x, 206 + !!signbit (x)); + + return z; +#endif +} +hidden_def (__expl) +weak_alias (__expl, expl) |