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https://issues.apache.org/jira/browse/MATH-309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mikkel Meyer Andersen updated MATH-309:
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Attachment: patch_random_exp
> nextExponential parameter check bug - patch supplied
> ----------------------------------------------------
>
> Key: MATH-309
> URL: https://issues.apache.org/jira/browse/MATH-309
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 2.0
> Environment: Ubuntu 9.04
> Reporter: Mikkel Meyer Andersen
> Priority: Minor
> Attachments: patch_random_exp
>
> Original Estimate: 0.08h
> Remaining Estimate: 0.08h
>
> Index: src/main/java/org/apache/commons/math/random/RandomDataImpl.java
> ===================================================================
> --- src/main/java/org/apache/commons/math/random/RandomDataImpl.java
> (revision 830102)
> +++ src/main/java/org/apache/commons/math/random/RandomDataImpl.java
> (working copy)
> @@ -462,7 +462,7 @@
> * @return the random Exponential value
> */
> public double nextExponential(double mean) {
> - if (mean < 0.0) {
> + if (mean <= 0.0) {
> throw MathRuntimeException.createIllegalArgumentException(
> "mean must be positive ({0})", mean);
> }
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