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Adding unit tests for the very important log10sumLog10 util method.

This commit is contained in:
Eric Banks 2012-04-09 14:28:25 -04:00
parent ea4300d583
commit f82986ee62
1 changed files with 12 additions and 0 deletions
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12
public/java/test/org/broadinstitute/sting/utils/MathUtilsUnitTest.java
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@ -284,6 +284,18 @@ public class MathUtilsUnitTest extends BaseTest {
Assert.assertTrue(compareDoubleArrays(MathUtils.normalizeFromLog10(new double[] {-1.0, -3.0, -1.0, -2.0}), new double[] {0.1 * 1.0 / 0.211, 0.001 * 1.0 / 0.211, 0.1 * 1.0 / 0.211, 0.01 * 1.0 / 0.211}));
}
@Test
public void testLog10sumLog10() {
final double log3 = 0.477121254719662;
Assert.assertEquals(MathUtils.compareDoubles(MathUtils.log10sumLog10(new double[]{0.0, 0.0, 0.0}), log3), 0);
Assert.assertEquals(MathUtils.compareDoubles(MathUtils.log10sumLog10(new double[] {0.0, 0.0, 0.0}, 0), log3), 0);
Assert.assertEquals(MathUtils.compareDoubles(MathUtils.log10sumLog10(new double[]{0.0, 0.0, 0.0}, 0, 3), log3), 0);
final double log2 = 0.301029995663981;
Assert.assertEquals(MathUtils.compareDoubles(MathUtils.log10sumLog10(new double[] {0.0, 0.0, 0.0}, 0, 2), log2), 0);
Assert.assertEquals(MathUtils.compareDoubles(MathUtils.log10sumLog10(new double[] {0.0, 0.0, 0.0}, 0, 1), 0.0), 0);
}
@Test
public void testDotProduct() {
Assert.assertEquals(MathUtils.dotProduct(new Double[]{-5.0,-3.0,2.0}, new Double[]{6.0,7.0,8.0}),-35.0,1e-3);