Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/lambda/LambdaTestStrictFPMethod.java@eb284abd64fe (annotated)
test/tools/javac/lambda/LambdaTestStrictFPMethod.java
Mon, 23 Jun 2014 13:14:32 -0700
- author
- rfield
- date
- Mon, 23 Jun 2014 13:14:32 -0700
- changeset 2528
- eb284abd64fe
- permissions
- -rw-r--r--
8046060: Different results of floating point multiplication for lambda code block
Summary: propogate strictfp into lambda body
Reviewed-by: vromero, jlahoda
| rfield@2528 | 1 | /* |
| rfield@2528 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| rfield@2528 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| rfield@2528 | 4 | * |
| rfield@2528 | 5 | * This code is free software; you can redistribute it and/or modify it |
| rfield@2528 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| rfield@2528 | 7 | * published by the Free Software Foundation. |
| rfield@2528 | 8 | * |
| rfield@2528 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| rfield@2528 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| rfield@2528 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| rfield@2528 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| rfield@2528 | 13 | * accompanied this code). |
| rfield@2528 | 14 | * |
| rfield@2528 | 15 | * You should have received a copy of the GNU General Public License version |
| rfield@2528 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| rfield@2528 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| rfield@2528 | 18 | * |
| rfield@2528 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| rfield@2528 | 20 | * or visit www.oracle.com if you need additional information or have any |
| rfield@2528 | 21 | * questions. |
| rfield@2528 | 22 | */ |
| rfield@2528 | 23 | |
| rfield@2528 | 24 | /* |
| rfield@2528 | 25 | * @test |
| rfield@2528 | 26 | * @bug 8046060 |
| rfield@2528 | 27 | * @summary Different results of floating point multiplication for lambda code block |
| rfield@2528 | 28 | */ |
| rfield@2528 | 29 | |
| rfield@2528 | 30 | public class LambdaTestStrictFPMethod { |
| rfield@2528 | 31 | |
| rfield@2528 | 32 | public static void main(String args[]) { |
| rfield@2528 | 33 | new LambdaTestStrictFPMethod().test(); |
| rfield@2528 | 34 | } |
| rfield@2528 | 35 | |
| rfield@2528 | 36 | strictfp void test() { |
| rfield@2528 | 37 | double result = eval(() -> { |
| rfield@2528 | 38 | double x = Double.longBitsToDouble(0x1e7ee00000000000L); |
| rfield@2528 | 39 | double y = Double.longBitsToDouble(0x2180101010101010L); |
| rfield@2528 | 40 | |
| rfield@2528 | 41 | return x * y; |
| rfield@2528 | 42 | }); |
| rfield@2528 | 43 | { |
| rfield@2528 | 44 | double x = Double.longBitsToDouble(0x1e7ee00000000000L); |
| rfield@2528 | 45 | double y = Double.longBitsToDouble(0x2180101010101010L); |
| rfield@2528 | 46 | |
| rfield@2528 | 47 | double z = x * y; |
| rfield@2528 | 48 | check(z, result, "method"); |
| rfield@2528 | 49 | } |
| rfield@2528 | 50 | } |
| rfield@2528 | 51 | |
| rfield@2528 | 52 | strictfp void check(double expected, double got, String where) { |
| rfield@2528 | 53 | if (got != expected) { |
| rfield@2528 | 54 | throw new AssertionError(where + ": Non-strictfp " + got + " != " + expected); |
| rfield@2528 | 55 | } |
| rfield@2528 | 56 | } |
| rfield@2528 | 57 | |
| rfield@2528 | 58 | static double eval(Face arg) { |
| rfield@2528 | 59 | return arg.m(); |
| rfield@2528 | 60 | } |
| rfield@2528 | 61 | |
| rfield@2528 | 62 | interface Face { |
| rfield@2528 | 63 | double m(); |
| rfield@2528 | 64 | } |
| rfield@2528 | 65 | } |
