Added identity matrix

2017-12-03 18:14:19 +01:00 · 2017-12-03 18:14:19 +01:00 · 41a70d45b8
commit 41a70d45b8
parent 9562d8615a
2 changed files with 27 additions and 0 deletions
--- a/test/zutil/math/MatrixMathTest.java
+++ b/test/zutil/math/MatrixMathTest.java
@ -80,4 +80,15 @@ public class MatrixMathTest {
    }


+
+    @Test
+    public void identity(){
+        assertArrayEquals(
+                new double[][]{{1}},
+                MatrixMath.identity(1));
+
+        assertArrayEquals(
+                new double[][]{{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}},
+                MatrixMath.identity(4));
+    }
 }