130 lines
3.6 KiB
Java
130 lines
3.6 KiB
Java
/*
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* Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @library /test/lib
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* @build Tests
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* @run main SinCosTests
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* @bug 8302040
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* @summary Tests for {Math, StrictMath}.sqrt
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*/
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public class SinCosTests {
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private SinCosTests(){}
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public static void main(String... argv) {
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int failures = 0;
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failures += testSin();
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failures += testCos();
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if (failures > 0) {
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System.err.println("Testing sin and cos incurred "
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+ failures + " failures.");
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throw new RuntimeException();
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}
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}
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private static final double InfinityD = Double.POSITIVE_INFINITY;
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private static final double NaNd = Double.NaN;
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/**
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* "Special cases:
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*
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* If the argument is NaN or an infinity, then the result is NaN.
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*
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* If the argument is zero, then the result is a zero with the
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* same sign as the argument."
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*/
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private static int testSin() {
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int failures = 0;
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for(double nan : Tests.NaNs) {
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failures += testSinCase(nan, NaNd);
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}
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double [][] testCases = {
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{+InfinityD, NaNd},
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{-InfinityD, NaNd},
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{+0.0, +0.0},
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{-0.0, -0.0},
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};
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for(int i = 0; i < testCases.length; i++) {
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failures += testSinCase(testCases[i][0], testCases[i][1]);
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}
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return failures;
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}
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/**
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* "Special cases:
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*
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* If the argument is NaN or an infinity, then the result is NaN.
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* If the argument is zero, then the result is 1.0."
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*/
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private static int testCos() {
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int failures = 0;
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for(double nan : Tests.NaNs) {
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failures += testCosCase(nan, NaNd);
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}
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double [][] testCases = {
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{+InfinityD, NaNd},
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{-InfinityD, NaNd},
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{+0.0, +1.0},
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{-0.0, +1.0},
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};
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for(int i = 0; i < testCases.length; i++) {
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failures += testCosCase(testCases[i][0], testCases[i][1]);
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}
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return failures;
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}
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private static int testSinCase(double input, double expected) {
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int failures=0;
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failures+=Tests.test("Math.sin", input, Math::sin, expected);
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failures+=Tests.test("StrictMath.sin", input, StrictMath::sin, expected);
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return failures;
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}
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private static int testCosCase(double input, double expected) {
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int failures=0;
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failures+=Tests.test("Math.cos", input, Math::cos, expected);
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failures+=Tests.test("StrictMath.cos", input, StrictMath::cos, expected);
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return failures;
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}
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}
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