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From Sébastien Brisard (JIRA) <j...@apache.org>
Subject [jira] [Created] (MATH-870) Deprecate interfaces and implementations of sparse vectors and matrices
Date Wed, 26 Sep 2012 18:55:07 GMT
Sébastien Brisard created MATH-870:
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             Summary: Deprecate interfaces and implementations of sparse vectors and matrices
                 Key: MATH-870
                 URL: https://issues.apache.org/jira/browse/MATH-870
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 3.1, 4.0
            Reporter: Sébastien Brisard
            Assignee: Sébastien Brisard
            Priority: Minor


Recently, many problems have been found out with class
{{OpenMapRealVector}} (see MATH-803 and MATH-821), to the point that the complete removal
of this class in upcoming versions (as of 4.0) has been agreed [markmail|http://markmail.org/thread/bseyswf7qqrgatru].

Since it now becomes useless, {{SparseRealVector}} will also be removed. For the sake of consistency,
{{SparseFieldVector}} will also be removed.

Furthermore, it is expected that the same kind of bugs will occur with sparse implementations
of real/field matrices, which will also be removed.

In version 3.1, the following classes and interfaces will be deprecated
* {{SparseRealVector}}
* {{OpenMapRealVector}}
* {{SparseFieldVector}}
* {{SparseRealMatrix}}
* {{OpenMapRealMatrix}}
* {{SparseFieldMatrix}}

They will be completely removed in version 4.0.

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