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Diffstat (limited to 'math/w_lgammaf_r_compat.c')
| -rw-r--r-- | math/w_lgammaf_r_compat.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/math/w_lgammaf_r_compat.c b/math/w_lgammaf_r_compat.c new file mode 100644 index 0000000000..d7d2cb8bc1 --- /dev/null +++ b/math/w_lgammaf_r_compat.c @@ -0,0 +1,37 @@ +/* w_lgammaf_r.c -- float version of w_lgamma_r.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@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 float lgammaf_r(float x, int *signgamp) + */ + +#include <math.h> +#include <math_private.h> + + +float +__lgammaf_r(float x, int *signgamp) +{ + float y = __ieee754_lgammaf_r(x,signgamp); + if(__builtin_expect(!isfinite(y), 0) + && isfinite(x) && _LIB_VERSION != _IEEE_) + return __kernel_standard_f(x, x, + __floorf(x)==x&&x<=0.0f + ? 115 /* lgamma pole */ + : 114); /* lgamma overflow */ + + return y; +} +weak_alias (__lgammaf_r, lgammaf_r) |