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Diffstat (limited to 'math/w_lgammal_r.c')
| -rw-r--r-- | math/w_lgammal_r.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/math/w_lgammal_r.c b/math/w_lgammal_r.c new file mode 100644 index 0000000..2dfea8a --- /dev/null +++ b/math/w_lgammal_r.c @@ -0,0 +1,52 @@ +/* w_lgammal_r.c -- long double version of w_lgamma_r.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 long double lgammal_r(long double x, int *signgamp) + */ + +#include <math.h> +#include "math_private.h" + + +#ifdef __STDC__ + long double __lgammal_r(long double x, int *signgamp) + /* wrapper lgamma_r */ +#else + long double __lgammal_r(x,signgamp) /* wrapper lgamma_r */ + long double x; int *signgamp; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_lgammal_r(x,signgamp); +#else + long double y; + y = __ieee754_lgammal_r(x,signgamp); + if(_LIB_VERSION == _IEEE_) return y; + if(!__finitel(y)&&__finitel(x)) { + if(__floorl(x)==x&&x<=0.0) + return __kernel_standard(x,x,215); /* lgamma pole */ + else + return __kernel_standard(x,x,214); /* lgamma overflow */ + } else + return y; +#endif +} +weak_alias (__lgammal_r, lgammal_r) |