rfield@2528: /*
rfield@2528:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
rfield@2528:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
rfield@2528:  *
rfield@2528:  * This code is free software; you can redistribute it and/or modify it
rfield@2528:  * under the terms of the GNU General Public License version 2 only, as
rfield@2528:  * published by the Free Software Foundation.
rfield@2528:  *
rfield@2528:  * This code is distributed in the hope that it will be useful, but WITHOUT
rfield@2528:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
rfield@2528:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
rfield@2528:  * version 2 for more details (a copy is included in the LICENSE file that
rfield@2528:  * accompanied this code).
rfield@2528:  *
rfield@2528:  * You should have received a copy of the GNU General Public License version
rfield@2528:  * 2 along with this work; if not, write to the Free Software Foundation,
rfield@2528:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
rfield@2528:  *
rfield@2528:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
rfield@2528:  * or visit www.oracle.com if you need additional information or have any
rfield@2528:  * questions.
rfield@2528:  */
rfield@2528: 
rfield@2528: /*
rfield@2528:  * @test
rfield@2528:  * @bug 8046060
rfield@2528:  * @summary Different results of floating point multiplication for lambda code block
rfield@2528:  */
rfield@2528: 
rfield@2528: public class LambdaTestStrictFPMethod {
rfield@2528: 
rfield@2528:     public static void main(String args[]) {
rfield@2528:         new LambdaTestStrictFPMethod().test();
rfield@2528:     }
rfield@2528: 
rfield@2528:     strictfp void test() {
rfield@2528:         double result = eval(() -> {
rfield@2528:             double x = Double.longBitsToDouble(0x1e7ee00000000000L);
rfield@2528:             double y = Double.longBitsToDouble(0x2180101010101010L);
rfield@2528: 
rfield@2528:             return x * y;
rfield@2528:         });
rfield@2528:         {
rfield@2528:             double x = Double.longBitsToDouble(0x1e7ee00000000000L);
rfield@2528:             double y = Double.longBitsToDouble(0x2180101010101010L);
rfield@2528: 
rfield@2528:             double z = x * y;
rfield@2528:             check(z, result, "method");
rfield@2528:         }
rfield@2528:     }
rfield@2528: 
rfield@2528:     strictfp void check(double expected, double got, String where) {
rfield@2528:         if (got != expected) {
rfield@2528:             throw new AssertionError(where + ": Non-strictfp " + got + " != " + expected);
rfield@2528:         }
rfield@2528:     }
rfield@2528: 
rfield@2528:     static double eval(Face arg) {
rfield@2528:         return arg.m();
rfield@2528:     }
rfield@2528: 
rfield@2528:     interface Face {
rfield@2528:         double m();
rfield@2528:     }
rfield@2528: }