Le 08/09/2010 14:51, er...@apache.org a écrit :
> Author: erans
> Date: Wed Sep  8 12:51:38 2010
> New Revision: 995035
> 
> URL: http://svn.apache.org/viewvc?rev=995035&view=rev
> Log:
> Removed strict equality comparison.

In some rare cases, strict equality comparison is desired (I don't know
if it is the case here). In these cases, findbugs can be configured to
ignore these cases, see the findbugs-exclude-filter.xml file for an example.

Luc

> 
> Modified:
>     
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/univariate/BrentOptimizer.java
> 
> Modified: 
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/univariate/BrentOptimizer.java
> URL: 
> http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/univariate/BrentOptimizer.java?rev=995035&r1=995034&r2=995035&view=diff
> ==============================================================================
> --- 
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/univariate/BrentOptimizer.java
>  (original)
> +++ 
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/univariate/BrentOptimizer.java
>  Wed Sep  8 12:51:38 2010
> @@ -17,6 +17,7 @@
>  package org.apache.commons.math.optimization.univariate;
>  
>  import org.apache.commons.math.FunctionEvaluationException;
> +import org.apache.commons.math.util.MathUtils;
>  import org.apache.commons.math.util.FastMath;
>  import org.apache.commons.math.exception.NumberIsTooSmallException;
>  import org.apache.commons.math.exception.NotStrictlyPositiveException;
> @@ -219,12 +220,15 @@ public class BrentOptimizer extends Abst
>                      } else {
>                          b = u;
>                      }
> -                    if (fu <= fw || w == x) {
> +                    if (fu <= fw ||
> +                        MathUtils.equals(w, x)) {
>                          v = w;
>                          fv = fw;
>                          w = u;
>                          fw = fu;
> -                    } else if (fu <= fv || v == x || v == w) {
> +                    } else if (fu <= fv ||
> +                               MathUtils.equals(v, x) ||
> +                               MathUtils.equals(v, w)) {
>                          v = u;
>                          fv = fu;
>                      }
> 
> 
> 


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