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From "Lance Finney (Created) (JIRA)" <>
Subject [jira] [Created] (MATH-768) org.apache.commons.math3.analysis.solvers.LaguerreSolver.ComplexSolver is private
Date Sat, 10 Mar 2012 04:33:00 GMT
org.apache.commons.math3.analysis.solvers.LaguerreSolver.ComplexSolver is private

                 Key: MATH-768
             Project: Commons Math
          Issue Type: Bug
    Affects Versions: 3.0
            Reporter: Lance Finney

We used LaguerreSolver.solveAll() in version 2.1, but we never upgraded to 2.2. As such, we
didn't notice that it was deprecated in that release.

Now that 3.0 is out, we want to upgrade, but that method has been completely removed.

Interestingly, the logic is still there in the library in an inner class: org.apache.commons.math3.analysis.solvers.LaguerreSolver.ComplexSolver.
Unfortunately for us, though, ComplexSolver is now private. So, for us as users, we've lost
access to a useful algorithm that is still in the library.

Please re-enable access to this useful algorithm that proves complex roots of polynomial formulae.
The simplest approach might be to make LaguerreSolver.ComplexSolver public, but perhaps another
approach would be considered better design.

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