NUMBERS-38 (unit test).

apache · Jul 5, 2017 · 91090df · 91090df
1 parent 5a2f9d1
commit 91090df
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/...umbers-gamma/src/test/java/org/apache/commons/numbers/gamma/LanczosApproximationTest.java b/...umbers-gamma/src/test/java/org/apache/commons/numbers/gamma/LanczosApproximationTest.java
@@ -27,4 +27,13 @@ public class LanczosApproximationTest {
     public void testG() {
         Assert.assertEquals(607d / 128d, LanczosApproximation.g(), 0d);
     }
+
+    @Test
+    public void testSomeValues() {
+        // Given that few values are checked, this test would only serve
+        // as early warning of unexpected changes to the current code.
+		Assert.assertEquals(29.020294557631818d, LanczosApproximation.value(0.1d), 0d);
+		Assert.assertEquals(13.14778027539684d, LanczosApproximation.value(1.0d), 0d);
+		Assert.assertEquals(7.897828855157814d, LanczosApproximation.value(2.0d), 0d);
+    }
 }