Add unit test.
Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/843267df Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/843267df Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/843267df Branch: refs/heads/master Commit: 843267df5a0b44145d5b9ee9153d17aa5e15cce1 Parents: e9e7613 Author: Gilles <er...@apache.org> Authored: Fri Feb 24 14:52:08 2017 +0100 Committer: Gilles <er...@apache.org> Committed: Fri Feb 24 14:52:08 2017 +0100 ---------------------------------------------------------------------- .../apache/commons/math4/linear/RRQRDecompositionTest.java | 7 +++++++ 1 file changed, 7 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-math/blob/843267df/src/test/java/org/apache/commons/math4/linear/RRQRDecompositionTest.java ---------------------------------------------------------------------- diff --git a/src/test/java/org/apache/commons/math4/linear/RRQRDecompositionTest.java b/src/test/java/org/apache/commons/math4/linear/RRQRDecompositionTest.java index b307b80..01acaae 100644 --- a/src/test/java/org/apache/commons/math4/linear/RRQRDecompositionTest.java +++ b/src/test/java/org/apache/commons/math4/linear/RRQRDecompositionTest.java @@ -237,4 +237,11 @@ public class RRQRDecompositionTest { RRQRDecomposition qr = new RRQRDecomposition(m); Assert.assertEquals(2, qr.getRank(0)); } + @Test + public void testRank2() { + double[][] d = { { 1, 1, 1 }, { 2, 3, 4 }, { 1, 2, 3 } }; + RealMatrix m = new Array2DRowRealMatrix(d); + RRQRDecomposition qr = new RRQRDecomposition(m); + Assert.assertEquals(2, qr.getRank(1e-14)); + } }