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https://issues.apache.org/jira/browse/OPENNLP-798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14924188#comment-14924188
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Bruno P. Kinoshita edited comment on OPENNLP-798 at 9/28/15 9:23 AM:
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When I had a look at the _EvalParameters(Context[] params, int numOutcomes)_
constructor, that calls the other constructor _EvalParameters(Context[] params,
double correctionParam, double correctionConstant, int numOutcomes)_, passing
correctionConstant = *0.0*. In the constructor code, you have:
{noformat}
this.constantInverse = 1.0 / correctionConstant
{noformat}
At first look I also thought it could rise a division by zero exception.
However, upon a closer inspection, I realised it was a division with doubles,
which results in Infinity, and not in an exception.
Joern, I think this issue can be closed as cannot reproduce, unless Gustavo has
an exception trace or some sample code to reproduce it.
was (Author: kinow):
When I had a look at the _EvalParameters(Context[] params, int numOutcomes)_
constructor, and the subsequent code called in _EvalParameters(Context[]
params, double correctionParam, double correctionConstant, int numOutcomes)_,
where you have:
{noformat}
this.constantInverse = 1.0 / correctionConstant
{noformat}
I thought it could rise a division by zero exception. However, upon a closer
look, I realised it was a double division, which will result in Infinity.
Joern, I think this issue can be closed as cannot reproduce, unless Gustavo has
an exception trace or some sample code to reproduce it.
> Division by Zero exception in the EvalParameters.
> -------------------------------------------------
>
> Key: OPENNLP-798
> URL: https://issues.apache.org/jira/browse/OPENNLP-798
> Project: OpenNLP
> Issue Type: Bug
> Components: Machine Learning
> Reporter: Gustavo Knuppe
>
> The EvalParameters(Context[] params, int numOutcomes) constructor rises a
> division by zero exception.
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