svn commit: r662274 - /commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/estimation/AbstractEstimator.java

[luc]

Author: luc
Date: Sun Jun  1 12:40:16 2008
New Revision: 662274

URL: http://svn.apache.org/viewvc?rev=662274&view=rev
Log:
avoid array copy

Modified:
    
commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/estimation/AbstractEstimator.java

Modified: 
commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/estimation/AbstractEstimator.java
URL: 
http://svn.apache.org/viewvc/commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/estimation/AbstractEstimator.java?rev=662274&r1=662273&r2=662274&view=diff
==============================================================================
--- 
commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/estimation/AbstractEstimator.java
 (original)
+++ 
commons/proper/math/branches/MATH_2_0/src/java/org/apache/commons/math/estimation/AbstractEstimator.java
 Sun Jun  1 12:40:16 2008
@@ -179,7 +179,7 @@
 
         try {
             // compute the covariances matrix
-            return new RealMatrixImpl(jTj).inverse().getData();
+            return ((RealMatrixImpl) new RealMatrixImpl(jTj, 
false).inverse()).getDataRef();
         } catch (InvalidMatrixException ime) {
             throw new EstimationException("unable to compute covariances: 
singular problem",
                                           new Object[0]);