libc/stdlib/_strtod.c: add parens around a | b

[uclinux-h8/uClibc.git] / libm / w_gamma.c

diff --git a/libm/w_gamma.c b/libm/w_gamma.c
index 59fe8f6..246c8f7 100644 (file)
--- a/libm/w_gamma.c
+++ b/libm/w_gamma.c
@@ -1,49 +1,36 @@
-/* @(#)w_gamma.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 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_gamma.c,v 1.7 1995/11/20 22:06:43 jtc Exp $";
-#endif
-
 /* double gamma(double x)
  * Return the logarithm of the Gamma function of x.
  *
  * Method: call gamma_r
  */
 
-#include "math.h"
+#include <math.h>
 #include "math_private.h"
 
-extern int signgam;
-
-#ifdef __STDC__
-       double gamma(double x)
-#else
-       double gamma(x)
-       double x;
-#endif
+double gamma(double x)
 {
 #ifdef _IEEE_LIBM
-       return __ieee754_lgamma_r(x,&signgam);
+       return __ieee754_lgamma_r(x, &signgam);
 #else
-        double y;
-        y = __ieee754_lgamma_r(x,&signgam);
-        if(_LIB_VERSION == _IEEE_) return y;
-        if(!finite(y)&&finite(x)) {
-            if(floor(x)==x&&x<=0.0)
-                return __kernel_standard(x,x,41); /* gamma pole */
-            else
-                return __kernel_standard(x,x,40); /* gamma overflow */
-        } else
-            return y;
+       double y = __ieee754_lgamma_r(x, &signgam);
+       if (_LIB_VERSION == _IEEE_)
+               return y;
+       if (!isfinite(y) && isfinite(x)) {
+               if (floor(x) == x && x <= 0.0)
+                       return __kernel_standard(x, x, 41); /* gamma pole */
+               return __kernel_standard(x, x, 40); /* gamma overflow */
+       }
+       return y;
 #endif
-}             
+}