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