--- old/src/java.base/share/native/libfdlibm/w_exp.c	2016-12-15 12:13:42.275083345 -0800
+++ /dev/null	2016-12-04 10:29:16.690761514 -0800
@@ -1,62 +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.
- */
-
-/*
- * wrapper exp(x)
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-o_threshold=  7.09782712893383973096e+02,  /* 0x40862E42, 0xFEFA39EF */
-u_threshold= -7.45133219101941108420e+02;  /* 0xc0874910, 0xD52D3051 */
-
-#ifdef __STDC__
-        double exp(double x)            /* wrapper exp */
-#else
-        double exp(x)                   /* wrapper exp */
-        double x;
-#endif
-{
-#ifdef _IEEE_LIBM
-        return __ieee754_exp(x);
-#else
-        double z;
-        z = __ieee754_exp(x);
-        if(_LIB_VERSION == _IEEE_) return z;
-        if(finite(x)) {
-            if(x>o_threshold)
-                return __kernel_standard(x,x,6); /* exp overflow */
-            else if(x<u_threshold)
-                return __kernel_standard(x,x,7); /* exp underflow */
-        }
-        return z;
-#endif
-}