libm: change j0 to _j0 and y1 to _y1 to avoid shadow warning

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

diff --git a/libm/s_cbrt.c b/libm/s_cbrt.c
index ef8e2e2..14e8ab0 100644 (file)
--- a/libm/s_cbrt.c
+++ b/libm/s_cbrt.c
@@ -1,50 +1,32 @@
-/* @(#)s_cbrt.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: s_cbrt.c,v 1.8 1995/05/10 20:46:49 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
 /* cbrt(x)
  * Return cube root of x
  */
-#ifdef __STDC__
 static const u_int32_t
-#else
-static u_int32_t
-#endif
        B1 = 715094163, /* B1 = (682-0.03306235651)*2**20 */
        B2 = 696219795; /* B2 = (664-0.03306235651)*2**20 */
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 C =  5.42857142857142815906e-01, /* 19/35     = 0x3FE15F15, 0xF15F15F1 */
 D = -7.05306122448979611050e-01, /* -864/1225 = 0xBFE691DE, 0x2532C834 */
 E =  1.41428571428571436819e+00, /* 99/70     = 0x3FF6A0EA, 0x0EA0EA0F */
 F =  1.60714285714285720630e+00, /* 45/28     = 0x3FF9B6DB, 0x6DB6DB6E */
 G =  3.57142857142857150787e-01; /* 5/14      = 0x3FD6DB6D, 0xB6DB6DB7 */
 
-#ifdef __STDC__
-       double cbrt(double x) 
-#else
-       double cbrt(x) 
-       double x;
-#endif
+double cbrt(double x)
 {
        int32_t hx;
        double r,s,t=0.0,w;
@@ -56,7 +38,7 @@ G =  3.57142857142857150787e-01; /* 5/14      = 0x3FD6DB6D, 0xB6DB6DB7 */
        hx  ^=sign;
        if(hx>=0x7ff00000) return(x+x); /* cbrt(NaN,INF) is itself */
        GET_LOW_WORD(low,x);
-       if((hx|low)==0) 
+       if((hx|low)==0)
            return(x);          /* cbrt(0) is itself */
 
        SET_HIGH_WORD(x,hx);    /* x <- |x| */
@@ -72,9 +54,9 @@ G =  3.57142857142857150787e-01; /* 5/14      = 0x3FD6DB6D, 0xB6DB6DB7 */
     /* new cbrt to 23 bits, may be implemented in single precision */
        r=t*t/x;
        s=C+r*t;
-       t*=G+F/(s+E+D/s);       
+       t*=G+F/(s+E+D/s);
 
-    /* chopped to 20 bits and make it larger than cbrt(x) */ 
+    /* chopped to 20 bits and make it larger than cbrt(x) */
        GET_HIGH_WORD(high,t);
        INSERT_WORDS(t,high+0x00000001,0);
 
@@ -91,3 +73,4 @@ G =  3.57142857142857150787e-01; /* 5/14      = 0x3FD6DB6D, 0xB6DB6DB7 */
        SET_HIGH_WORD(t,high|sign);
        return(t);
 }
+libm_hidden_def(cbrt)