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- /* @(#)wr_lgamma.c 5.1 93/09/24 */
- /*
- * ====================================================
- * 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 double lgamma_r(double x, int *signgamp)
- */
- #include <math.h>
- #include <math_private.h>
- #include <math-svid-compat.h>
- #include <libm-alias-double.h>
- #if LIBM_SVID_COMPAT
- double
- __lgamma_r(double x, int *signgamp)
- {
- double y = __ieee754_lgamma_r(x,signgamp);
- if(__builtin_expect(!isfinite(y), 0)
- && isfinite(x) && _LIB_VERSION != _IEEE_)
- return __kernel_standard(x, x,
- floor(x)==x&&x<=0.0
- ? 15 /* lgamma pole */
- : 14); /* lgamma overflow */
- return y;
- }
- libm_alias_double_r (__lgamma, lgamma, _r)
- #endif
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