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https://issues.apache.org/jira/browse/MATH-289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phil Steitz closed MATH-289.
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> SimplexTableau's arrayCopy could be wrong
> -----------------------------------------
>
> Key: MATH-289
> URL: https://issues.apache.org/jira/browse/MATH-289
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 2.0
> Environment: Java 1.6.0_13 on Windows XP 32-bit
> Reporter: Andrea
> Priority: Minor
> Fix For: 2.1
>
> Attachments: SimplexTableau.patch
>
>
> The private method copyArray in file SimplexTableau at line 329 takes 3
> parameters src, dest and destPos but the last one is never used/read.
> private void copyArray(final double[] src, final double[] dest, final int
> destPos) {
> System.arraycopy(src, 0, dest, getNumObjectiveFunctions(), src.length);
> }
> The behavior of this method doesn't reflect its JavaDoc description, and
> "misleads" createTableau at line 157 that passes 1 as destPos.
> I don't think this leads to a wrong result, but the method
> signature/implementation is misleading for a future reuse.
> I suggest either to remove the destPos argument or use it in the method body.
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