1 /* w_lgammal_r.c -- long double version of w_lgamma_r.c.
2 */
3
4 /*
5 * ====================================================
6 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
7 *
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 * ====================================================
13 */
14
15 /*
16 * wrapper long double lgammal_r(long double x, int *signgamp)
17 */
18
19 #include <math.h>
20 #include <math_private.h>
21 #include <math-svid-compat.h>
22 #include <libm-alias-ldouble.h>
23
24
25 #if LIBM_SVID_COMPAT
26 long double
__lgammal_r(long double x,int * signgamp)27 __lgammal_r(long double x, int *signgamp)
28 {
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 */
36
37 return y;
38 }
39 libm_alias_ldouble_r (__lgamma, lgamma, _r)
40 #endif
41