C2x scanf binary constant handling
[glibc.git] / math / w_lgammal_r_compat.c
blobb9c934402431577736d2950d99e019a2e39f5108
1 /* w_lgammal_r.c -- long double version of w_lgamma_r.c.
2 */
4 /*
5 * ====================================================
6 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 * Developed at SunPro, a Sun Microsystems, Inc. business.
9 * Permission to use, copy, modify, and distribute this
10 * software is freely granted, provided that this notice
11 * is preserved.
12 * ====================================================
16 * wrapper long double lgammal_r(long double x, int *signgamp)
19 #include <math.h>
20 #include <math_private.h>
21 #include <math-svid-compat.h>
22 #include <libm-alias-ldouble.h>
25 #if LIBM_SVID_COMPAT
26 long double
27 __lgammal_r(long double x, int *signgamp)
29 long double y = __ieee754_lgammal_r(x,signgamp);
30 if(__builtin_expect(!isfinite(y), 0)
31 && isfinite(x) && _LIB_VERSION != _IEEE_)
32 return __kernel_standard(x, x,
33 floorl(x)==x&&x<=0.0
34 ? 215 /* lgamma pole */
35 : 214); /* lgamma overflow */
37 return y;
39 libm_alias_ldouble_r (__lgamma, lgamma, _r)
40 #endif