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From l..@apache.org
Subject svn commit: r908190 - in /commons/proper/math/trunk/src: main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java site/xdoc/changes.xml
Date Tue, 09 Feb 2010 20:07:36 GMT
Author: luc
Date: Tue Feb  9 20:07:36 2010
New Revision: 908190

URL: http://svn.apache.org/viewvc?rev=908190&view=rev
Log:
Added a warning in the getCoefficients method documentation for
PolynomialFunctionLagrangeForm. Computation may be ill-conditioned
so this method should be used with care.
JIRA: MATH-341

Modified:
    commons/proper/math/trunk/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java
    commons/proper/math/trunk/src/site/xdoc/changes.xml

Modified: commons/proper/math/trunk/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java?rev=908190&r1=908189&r2=908190&view=diff
==============================================================================
--- commons/proper/math/trunk/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java
(original)
+++ commons/proper/math/trunk/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java
Tue Feb  9 20:07:36 2010
@@ -133,6 +133,9 @@
      * Returns a copy of the coefficients array.
      * <p>
      * Changes made to the returned copy will not affect the polynomial.</p>
+     * <p>
+     * Note that coefficients computation can be ill-conditioned. Use with caution
+     * and only when it is necessary.</p>
      *
      * @return a fresh copy of the coefficients array
      */

Modified: commons/proper/math/trunk/src/site/xdoc/changes.xml
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/site/xdoc/changes.xml?rev=908190&r1=908189&r2=908190&view=diff
==============================================================================
--- commons/proper/math/trunk/src/site/xdoc/changes.xml (original)
+++ commons/proper/math/trunk/src/site/xdoc/changes.xml Tue Feb  9 20:07:36 2010
@@ -39,6 +39,11 @@
   </properties>
   <body>
     <release version="2.1" date="TBD" description="TBD">
+      <action dev="luc" type="add" issue="MATH-341" >
+        Added a warning in the getCoefficients method documentation for
+        PolynomialFunctionLagrangeForm. Computation may be ill-conditioned
+        so this method should be used with care.
+      </action>
       <action dev="luc" type="add" issue="MATH-340" >
         Fixed an error in BigFraction multiplication for large numerators that don't
         fit in a primitive int.



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