| /* |
| * Copyright (c) 2014, 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. |
| * |
| * 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 8046060 |
| * @summary Different results of floating point multiplication for lambda code block |
| */ |
| |
| public class LambdaTestStrictFPMethod { |
| |
| public static void main(String args[]) { |
| new LambdaTestStrictFPMethod().test(); |
| } |
| |
| strictfp void test() { |
| double result = eval(() -> { |
| double x = Double.longBitsToDouble(0x1e7ee00000000000L); |
| double y = Double.longBitsToDouble(0x2180101010101010L); |
| |
| return x * y; |
| }); |
| { |
| double x = Double.longBitsToDouble(0x1e7ee00000000000L); |
| double y = Double.longBitsToDouble(0x2180101010101010L); |
| |
| double z = x * y; |
| check(z, result, "method"); |
| } |
| } |
| |
| strictfp void check(double expected, double got, String where) { |
| if (got != expected) { |
| throw new AssertionError(where + ": Non-strictfp " + got + " != " + expected); |
| } |
| } |
| |
| static double eval(Face arg) { |
| return arg.m(); |
| } |
| |
| interface Face { |
| double m(); |
| } |
| } |