Changeset 17299

Timestamp:

10/03/19 10:10:35 (5 years ago)

Author:

gkronber

Message:

#2994 add a unit test for Abs()

File:

• branches/2994-AutoDiffForIntervals/HeuristicLab.Tests/HeuristicLab.Problems.DataAnalysis-3.4/AutoDiffIntervalTest.cs (modified) (1 diff)

branches/2994-AutoDiffForIntervals/HeuristicLab.Tests/HeuristicLab.Problems.DataAnalysis-3.4/AutoDiffIntervalTest.cs

@@ -214 +214 @@
     [TestCategory("Problems.DataAnalysis")]
     [TestProperty("Time", "short")]
+    public void TestIntervalAbsOperator() {
+      AssertAreEqualInterval(new AlgebraicInterval(1, 2), new AlgebraicInterval(1, 2).Abs());
+      AssertAreEqualInterval(new AlgebraicInterval(1, 2), new AlgebraicInterval(-2, -1).Abs());
+      AssertAreEqualInterval(new AlgebraicInterval(0, 2), new AlgebraicInterval(-2, 2).Abs());
+      AssertAreEqualInterval(new AlgebraicInterval(0, double.PositiveInfinity), new AlgebraicInterval(double.NegativeInfinity, double.PositiveInfinity).Abs());
+      AssertAreEqualInterval(new AlgebraicInterval(double.NaN, 1), new AlgebraicInterval(-1, double.NaN).Abs()); // XXX unclear how we should handle NaN
+      AssertAreEqualInterval(new AlgebraicInterval(double.NaN, 1), new AlgebraicInterval(double.NaN, -1).Abs());
+    }
+
+
+    [TestMethod]
+    [TestCategory("Problems.DataAnalysis")]
+    [TestProperty("Time", "short")]
     public void TestIntervalCbrtOperator() {
       AssertAreEqualInterval(new AlgebraicInterval(1, 2), CubicRoot(new AlgebraicInterval(1, 8)));