Author: celestin
Date: Wed Jun 6 03:56:02 2012
New Revision: 1346729
URL: http://svn.apache.org/viewvc?rev=1346729&view=rev
Log:
MATH-795: in RealVectorAbstractTest, added method getPreferredEntryValue()
which allows testing vectors with some entries set to a preferred value (e.g. 0
for sparse vectors).
Modified:
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/linear/RealVectorAbstractTest.java
Modified:
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/linear/RealVectorAbstractTest.java
URL:
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/linear/RealVectorAbstractTest.java?rev=1346729&r1=1346728&r2=1346729&view=diff
==============================================================================
---
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/linear/RealVectorAbstractTest.java
(original)
+++
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/linear/RealVectorAbstractTest.java
Wed Jun 6 03:56:02 2012
@@ -80,6 +80,21 @@ public abstract class RealVectorAbstract
*/
public abstract RealVector createAlien(double[] data);
+ /**
+ * Returns a preferred value of the entries, to be tested specifically.
Some
+ * implementations of {@link RealVector} (e.g. {@link OpenMapRealVector})
do
+ * not store specific values of entries. In order to ensure that all tests
+ * take into account this specific value, some entries of the vectors to be
+ * tested are deliberately set to the value returned by the present method.
+ * The default implementation returns {@code 0.0}.
+ *
+ * @return a value which <em>should</em> be present in all vectors to be
+ * tested
+ */
+ public double getPreferredEntryValue() {
+ return 0.0;
+ }
+
/** verifies that two vectors are close (sup norm) */
protected void assertClose(String msg, double[] m, double[] n,
double tolerance) {
