I've made SparseRealVector and SparseRealMatrix to be empty marker interfaces.

I've left OpenMapRealVector.getSparcity, since I'd like to use it for benchmarking, and it doesn't hurt anyone else now.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@777356 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/math/linear/OpenMapRealMatrix.java

@@ -286,9 +286,5 @@ public class OpenMapRealMatrix extends AbstractRealMatrix implements SparseRealM
         return row * columnDimension + column;
     }
 
-    /** {@inheritDoc} */
-    public MatrixShape getShape() {
-        return MatrixShape.Any;
-    }
 
 }

src/java/org/apache/commons/math/linear/OpenMapRealVector.java

@@ -1297,7 +1297,10 @@ public class OpenMapRealVector implements SparseRealVector {
         return true;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * 
+     * @return the percentage of none zero elements as a decimal percent.
+     */
     public double getSparcity() {
         return (double)entries.size()/(double)getDimension();
     }

src/java/org/apache/commons/math/linear/SparseRealMatrix.java

@@ -25,16 +25,5 @@ package org.apache.commons.math.linear;
  *
  */
 public interface SparseRealMatrix extends RealMatrix {
-
-    /**
-     * Type to identify the shape of the matrix 
-     */
-    public static enum MatrixShape  {Any};
-    
-    /**
-     * 
-     * @return the shape of the matrix
-     */
-    MatrixShape getShape();
     
 }

src/java/org/apache/commons/math/linear/SparseRealVector.java

@@ -24,10 +24,4 @@ package org.apache.commons.math.linear;
  */
 public interface SparseRealVector extends RealVector {
     
-    /**
-     * 
-     * @return the percentage of none zero elements as a decimal percent.
-     */
-    double getSparcity ();
-
 }