--- a/jdk/src/java.base/share/native/libfdlibm/s_cbrt.c	Wed Oct 21 15:15:36 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,99 +0,0 @@
-
-/*
- * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "fdlibm.h"
-
-/* cbrt(x)
- * Return cube root of x
- */
-#ifdef __STDC__
-static const unsigned
-#else
-static unsigned
-#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
-{
-        int     hx;
-        double r,s,t=0.0,w;
-        unsigned sign;
-
-
-        hx = __HI(x);           /* high word of x */
-        sign=hx&0x80000000;             /* sign= sign(x) */
-        hx  ^=sign;
-        if(hx>=0x7ff00000) return(x+x); /* cbrt(NaN,INF) is itself */
-        if((hx|__LO(x))==0)
-            return(x);          /* cbrt(0) is itself */
-
-        __HI(x) = hx;   /* x <- |x| */
-    /* rough cbrt to 5 bits */
-        if(hx<0x00100000)               /* subnormal number */
-          {__HI(t)=0x43500000;          /* set t= 2**54 */
-           t*=x; __HI(t)=__HI(t)/3+B2;
-          }
-        else
-          __HI(t)=hx/3+B1;
-
-
-    /* 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);
-
-    /* chopped to 20 bits and make it larger than cbrt(x) */
-        __LO(t)=0; __HI(t)+=0x00000001;
-
-
-    /* one step newton iteration to 53 bits with error less than 0.667 ulps */
-        s=t*t;          /* t*t is exact */
-        r=x/s;
-        w=t+t;
-        r=(r-t)/(w+r);  /* r-s is exact */
-        t=t+t*r;
-
-    /* retore the sign bit */
-        __HI(t) |= sign;
-        return(t);
-}