Fixed blank docs for default constructors

Author: cicirello

src/org/cicirello/math/la/MatrixOps.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 Vincent A. Cicirello, <https://www.cicirello.org/>.
+ * Copyright 2018-2019 Vincent A. Cicirello, <https://www.cicirello.org/>.
  *
  * This file is part of JavaPermutationTools (https://jpt.cicirello.org/).
  *
@@ -27,11 +27,14 @@
  * represented as 2-D Java arrays.
  *
  * @author <a href=https://www.cicirello.org/ target=_top>Vincent A. Cicirello</a>, <a href=https://www.cicirello.org/ target=_top>https://www.cicirello.org/</a>  
- * @version 1.18.7.1
+ * @version 1.19.5.10
  * @since 1.3
  */
 public class MatrixOps {
 
+	// Utility class of static methods.  Should not be instantiated.
+	private MatrixOps() {}
+	
 	/**
 	 * Transpose a square matrix inline.
 	 * @param matrix the matrix to transpose, with result replacing contents of matrix.

src/org/cicirello/math/stats/Statistics.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 Vincent A. Cicirello, <https://www.cicirello.org/>.
+ * Copyright 2018-2019 Vincent A. Cicirello, <https://www.cicirello.org/>.
  *
  * This file is part of JavaPermutationTools (https://jpt.cicirello.org/).
  *
@@ -27,11 +27,14 @@
  * Utility class of basic statistics.
  *
  * @author <a href=https://www.cicirello.org/ target=_top>Vincent A. Cicirello</a>, <a href=https://www.cicirello.org/ target=_top>https://www.cicirello.org/</a> 
- * @version 1.18.7.1
+ * @version 1.19.5.10
  * @since 1.0
  */
 public class Statistics {
 
+	// Utility class of static methods.  Should not be instantiated.
+	private Statistics() {}
+	
 	/**
 	 * Computes mean of a dataset.
 	 * @param data The dataset.

src/org/cicirello/permutations/distance/AcyclicEdgeDistance.java

@@ -46,7 +46,11 @@
  * @since 1.0
  */
 public class AcyclicEdgeDistance extends AbstractNormalizedPermutationDistanceMeasurer {
-
+	
+	/**
+	 * Constructs the distance measurer as specified in the class documentation.
+	 */
+	public AcyclicEdgeDistance() {}
 
 	/**
 	 * {@inheritDoc}

src/org/cicirello/permutations/distance/CyclicEdgeDistance.java

@@ -46,8 +46,11 @@
  * @since 1.0
  */
 public class CyclicEdgeDistance extends AbstractNormalizedPermutationDistanceMeasurer {
-
-
+	
+	/**
+	 * Constructs the distance measurer as specified in the class documentation.
+	 */
+	public CyclicEdgeDistance() {}
 
 	/**
 	 * {@inheritDoc}

src/org/cicirello/permutations/distance/CyclicRTypeDistance.java

@@ -49,7 +49,10 @@
  */
 public class CyclicRTypeDistance extends AbstractNormalizedPermutationDistanceMeasurer {
 
-	
+	/**
+	 * Constructs the distance measurer as specified in the class documentation.
+	 */
+	public CyclicRTypeDistance() {}
 
 	/**
 	 * {@inheritDoc}

src/org/cicirello/permutations/distance/DeviationDistance.java

@@ -47,6 +47,11 @@
  * 
  */
 public class DeviationDistance extends AbstractNormalizedPermutationDistanceMeasurer {
+	
+	/**
+	 * Constructs the distance measurer as specified in the class documentation.
+	 */
+	public DeviationDistance() {}
 
 	/**
 	 * {@inheritDoc}

src/org/cicirello/permutations/distance/DeviationDistanceNormalized.java

@@ -57,7 +57,7 @@ public class DeviationDistanceNormalized implements PermutationDistanceMeasurerD
 	private DeviationDistance devDistance;
 
 	/**
-	 * Construct the distance measure.
+	 * Constructs the distance measurer as specified in the class documentation.
 	 */
 	public DeviationDistanceNormalized() {
 		devDistance = new DeviationDistance();

src/org/cicirello/permutations/distance/DeviationDistanceNormalized2005.java

@@ -71,7 +71,7 @@ public class DeviationDistanceNormalized2005 implements PermutationDistanceMeasu
 	private DeviationDistance devDistance;
 
 	/**
-	 * Construct the distance measure.
+	 * Constructs the distance measurer as specified in the class documentation.
 	 */
 	public DeviationDistanceNormalized2005() {
 		devDistance = new DeviationDistance();

src/org/cicirello/permutations/distance/ExactMatchDistance.java

@@ -38,6 +38,10 @@
  */
 public class ExactMatchDistance extends AbstractNormalizedPermutationDistanceMeasurer {
 
+	/**
+	 * Constructs the distance measurer as specified in the class documentation.
+	 */
+	public ExactMatchDistance() {}
 
 	/**
 	 * {@inheritDoc}

src/org/cicirello/permutations/distance/InterchangeDistance.java

@@ -44,6 +44,12 @@
  * @since 1.0
  */
 public class InterchangeDistance extends AbstractNormalizedPermutationDistanceMeasurer {
+	
+	/**
+	 * Constructs the distance measurer as specified in the class documentation.
+	 */
+	public InterchangeDistance() {}
+	
     /**
 	 * {@inheritDoc}
 	 */