Fix null pointer issue in argument validation

Jacob Rachiele · Jacob Rachiele · commit d390acf0d8dd · 2017-11-02T02:51:06.000-05:00
diff --git a/math/src/main/java/com/github/signaflo/math/linear/doubles/QuadraticForm.java b/math/src/main/java/com/github/signaflo/math/linear/doubles/QuadraticForm.java
@@ -64,8 +64,8 @@ public static double multiply(Vector x, Matrix A) {
     }
 
     private static void validateArguments(Vector x, Matrix A) {
-        Validate.argumentsNotNull(x.getClass(), x);
-        Validate.argumentsNotNull(A.getClass(), A);
+        Validate.argumentsNotNull(Vector.class, x);
+        Validate.argumentsNotNull(Matrix.class, A);
         if (!A.isSquare()) {
             throw new IllegalArgumentException("The matrix must be square.");
         }

Original file line number	Diff line number	Diff line change
`@@ -64,8 +64,8 @@ public static double multiply(Vector x, Matrix A) {`
`64`	`64`	`}`
`65`	`65`
`66`	`66`	`private static void validateArguments(Vector x, Matrix A) {`
`67`		`- Validate.argumentsNotNull(x.getClass(), x);`
`68`		`- Validate.argumentsNotNull(A.getClass(), A);`
	`67`	`+ Validate.argumentsNotNull(Vector.class, x);`
	`68`	`+ Validate.argumentsNotNull(Matrix.class, A);`
`69`	`69`	`if (!A.isSquare()) {`
`70`	`70`	`throw new IllegalArgumentException("The matrix must be square.");`
`71`	`71`	`}`