Github user ameyjadiye commented on a diff in the pull request:
https://github.com/apache/commons-numbers/pull/8#discussion_r126515101
--- Diff:
commons-numbers-arrays/src/test/java/org/apache/commons/numbers/arrays/SafeNormTest.java
---
@@ -24,39 +26,52 @@
@Test
public void testTiny() {
final double s = 1e-320;
- final double[] v = new double[] { s, s };
- Assert.assertEquals(Math.sqrt(2) * s, SafeNorm.value(v), 0d);
+ final double[] v = new double[]{s, s};
+ assertEquals(Math.sqrt(2) * s, SafeNorm.value(v), 0d);
}
@Test
public void testBig() {
final double s = 1e300;
- final double[] v = new double[] { s, s };
- Assert.assertEquals(Math.sqrt(2) * s, SafeNorm.value(v), 0d);
+ final double[] v = new double[]{s, s};
+ assertEquals(Math.sqrt(2) * s, SafeNorm.value(v), 0d);
}
@Test
public void testOne3D() {
final double s = 1;
- final double[] v = new double[] { s, s, s };
- Assert.assertEquals(Math.sqrt(3), SafeNorm.value(v), 0d);
+ final double[] v = new double[]{s, s, s};
+ assertEquals(Math.sqrt(3), SafeNorm.value(v), 0d);
}
@Test
public void testUnit3D() {
- Assert.assertEquals(1, SafeNorm.value(new double[] { 1, 0, 0 }),
0d);
- Assert.assertEquals(1, SafeNorm.value(new double[] { 0, 1, 0 }),
0d);
- Assert.assertEquals(1, SafeNorm.value(new double[] { 0, 0, 1 }),
0d);
+ assertEquals(1, SafeNorm.value(new double[]{1, 0, 0}), 0d);
+ assertEquals(1, SafeNorm.value(new double[]{0, 1, 0}), 0d);
+ assertEquals(1, SafeNorm.value(new double[]{0, 0, 1}), 0d);
}
@Test
public void testSimple() {
- final double[] v = new double[] { -0.9, 8.7, -6.5, -4.3, -2.1, 0,
1.2, 3.4, -5.6, 7.8, 9.0 };
+ final double[] v = new double[]{-0.9, 8.7, -6.5, -4.3, -2.1, 0,
1.2, 3.4, -5.6, 7.8, 9.0};
double n = 0;
for (int i = 0; i < v.length; i++) {
n += v[i] * v[i];
}
final double expected = Math.sqrt(n);
- Assert.assertEquals(expected, SafeNorm.value(v), 0d);
+ assertEquals(expected, SafeNorm.value(v), 0d);
+ }
+
+ @Test
+ public void testValueReturningPositive() {
+
--- End diff --
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