Fix couple of methods of Matrix class for 2D-cases

andrei-punko · Oct 24, 2024 · f56db3a · f56db3a
1 parent 3382836
commit f56db3a
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/src/main/java/by/andd3dfx/math/Matrix.java b/src/main/java/by/andd3dfx/math/Matrix.java
@@ -18,12 +18,12 @@ public Matrix() {
         this(1);
     }
 
-    public Matrix(int m) {
-        this(m, 1);
+    public Matrix(int n) {
+        this(1, n);
     }
 
     public Matrix(int m, int n) {
-        assert (m >= 1 && n >= 0);
+        assert (m > 0 && n > 0);
 
         this.m = m;
         this.n = n;
@@ -43,7 +43,7 @@ public void set(int index, double value) {
     }
 
     public double get(int i) {
-        return get(i, 0);
+        return get(0, i);
     }
 
     public double y(int i) {

diff --git a/src/test/java/by/andd3dfx/math/MatrixTest.java b/src/test/java/by/andd3dfx/math/MatrixTest.java
@@ -18,8 +18,8 @@ void constructorWithoutParams() {
     void constructorWithOneParam() {
         var m = new Matrix(5);
 
-        assertThat(m.getM()).isEqualTo(5);
-        assertThat(m.getN()).isEqualTo(1);
+        assertThat(m.getM()).isEqualTo(1);
+        assertThat(m.getN()).isEqualTo(5);
     }
 
     @Test