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Diffstat (limited to 'libm/w_lgammal_r.c')
| -rw-r--r-- | libm/w_lgammal_r.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libm/w_lgammal_r.c b/libm/w_lgammal_r.c new file mode 100644 index 000000000..ed85bc01b --- /dev/null +++ b/libm/w_lgammal_r.c @@ -0,0 +1,44 @@ +/* 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. + * ==================================================== + */ + +/* + * wrapper long double lgammal_r(long double x, int *signgamp) + */ + +#include <math.h> +#include "math_private.h" + +#if !defined __NO_LONG_DOUBLE_MATH +libm_hidden_proto(lgammal_r) +long double +lgammal_r(long double x, int *signgamp) +{ +# if __UCLIBC_HAS_FENV__ + long double y = (long double) __ieee754_lgamma_r((double)x,signgamp); + if(__builtin_expect(!isfinite(y), 0) + && isfinite(x) && _LIB_VERSION != _IEEE_) + return __kernel_standard(x, x, + floorl(x)==x&&x<=0.0 + ? 215 /* lgamma pole */ + : 214); /* lgamma overflow */ + + return y; +# else + return (long double) __ieee754_lgamma_r((double)x,signgamp); +# endif /* __UCLIBC_HAS_FENV__ */ +} +libm_hidden_def(lgammal_r) +#endif /* __NO_LONG_DOUBLE_MATH */ |