blob: c7948b19af88b8cc60f0e2ba8b98db4826e5ed62 [file] [log] [blame]
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
* @test
* @bug 8255368
* @summary Tests corner cases of Math.exp
*/
public class ExpCornerCaseTests {
private ExpCornerCaseTests(){}
public static void main(String... args) {
int failures = 0;
failures += testExpCornerCases();
if (failures > 0) {
System.err.printf("Testing exp corner cases incurred %d failures.%n", failures);
throw new RuntimeException();
}
}
private static int testExpCornerCases() {
int failures = 0;
double [][] testCases = {
{+0x4.0p8, Double.POSITIVE_INFINITY},
{+0x2.71p12, Double.POSITIVE_INFINITY},
};
for (double[] testCase : testCases) {
failures += testExp(testCase[0], testCase[1]);
}
return failures;
}
private static int testExp(double input, double expected) {
int failures = 0;
failures += Tests.test("StrictMath.exp", input, StrictMath.exp(input), expected);
failures += Tests.test("Math.exp", input, Math.exp(input), expected);
return failures;
}
}