libm/w_lgammaf.c

   1 /* w_lgammaf.c -- float version of w_lgamma.c.
   2  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
   3  */
   4
   5 /*
   6  * ====================================================
   7  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   8  *
   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
  12  * is preserved.
  13  * ====================================================
  14  */
  15
  16 #include <math.h>
  17 #include "math_private.h"
  18
  19 float lgammaf(float x)
  20 {
  21         return lgammaf_r(x, &signgam);
  22 }
  23
  24 /* NB: gamma function is an old name for lgamma.
  25  * It is deprecated.
  26  * Some C math libraries redefine it as a "true gamma", i.e.,
  27  * not a ln(|Gamma(x)|) but just Gamma(x), but standards
  28  * introduced tgamma name for that.
  29  */
  30 strong_alias(lgammaf, gammaf)