1 /* w_lgammaf.c -- float version of w_lgamma.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
13 * ====================================================
16 #if defined(LIBM_SCCS) && !defined(lint)
17 static char rcsid[] = "$NetBSD: w_lgammaf.c,v 1.3 1995/05/10 20:49:30 jtc Exp $";
21 #include "math_private.h"
24 float __lgammaf(float x)
31 return __ieee754_lgammaf_r(x,&signgam);
34 int local_signgam = 0;
35 y = __ieee754_lgammaf_r(x,&local_signgam);
36 if (_LIB_VERSION != _ISOC_)
37 /* ISO C99 does not define the global variable. */
38 signgam = local_signgam;
39 if(_LIB_VERSION == _IEEE_) return y;
40 if(!__finitef(y)&&__finitef(x)) {
41 if(__floorf(x)==x&&x<=(float)0.0)
43 return (float)__kernel_standard((double)x,(double)x,115);
46 return (float)__kernel_standard((double)x,(double)x,114);
51 weak_alias (__lgammaf, lgammaf)
52 strong_alias (__lgammaf, __gammaf)
53 weak_alias (__gammaf, gammaf)