1 /* 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.jtt.lang; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 /* 30 */ 31 public class Math_sin extends JTTTest { 32 33 @SuppressWarnings("serial") 34 public static class NaN extends Throwable { 35 } 36 37 public static double test(double arg) throws NaN { 38 double v = Math.sin(arg) * Math.sin(arg * 5); 39 if (Double.isNaN(v)) { 40 // NaN can't be tested against itself 41 throw new NaN(); 42 } 43 return v; 44 } 45 46 @Test 47 public void runFirst() throws Throwable { 48 /* 49 * Execute Double.isNaN enough times to create a profile indicating that the path returning 50 * false is never taken. Then compile and execute the test with a NaN value to test that 51 * deoptimization works in the case of an uncommon trap inlined into an intrinsic. Of 52 * course, this relies on Double.isNaN never having yet been called with NaN. if it has, 53 * this test is equivalent to run0. 54 */ 55 for (int i = 0; i < 10000; i++) { 56 Double.isNaN(1D); 57 } 58 executeActual(getResolvedJavaMethod("test"), null, java.lang.Double.NaN); 59 } 60 61 @Test 62 public void run0() throws Throwable { 63 runTest("test", java.lang.Double.NaN); 64 } 65 66 @Test 67 public void run1() throws Throwable { 68 runTest("test", java.lang.Double.NEGATIVE_INFINITY); 69 } 70 71 @Test 72 public void run2() throws Throwable { 73 runTest("test", java.lang.Double.POSITIVE_INFINITY); 74 } 75 76 @Test 77 public void run3() throws Throwable { 78 runTest("test", -0.0d); 79 } 80 81 @Test 82 public void run4() throws Throwable { 83 runTest("test", 0.0d); 84 } 85 86 }