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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-773) Matrix/Vector operation does not validate the input argument
Date Sat, 06 Jul 2013 09:23:48 GMT

    [ https://issues.apache.org/jira/browse/HAMA-773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13701301#comment-13701301
] 

Hudson commented on HAMA-773:
-----------------------------

Integrated in Hama trunk #138 (See [https://builds.apache.org/job/Hama%20trunk/138/])
    HAMA-773: Matrix/Vector operation does not validate the input argument. (Revision 1500189)

     Result = ABORTED
yxjiang : 
Files : 
* /hama/trunk/CHANGES.txt
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/distance/CosineDistance.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/distance/EuclidianDistance.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/kmeans/KMeansBSP.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/math/DenseDoubleMatrix.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/math/DenseDoubleVector.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/math/DoubleMatrix.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/math/DoubleVector.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/LinearRegressionModel.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/LogisticRegressionModel.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/writable/VectorWritable.java
* /hama/trunk/ml/src/test/java/org/apache/hama/ml/math/TestDenseDoubleMatrix.java
* /hama/trunk/ml/src/test/java/org/apache/hama/ml/math/TestDenseDoubleVector.java

                
> Matrix/Vector operation does not validate the input argument
> ------------------------------------------------------------
>
>                 Key: HAMA-773
>                 URL: https://issues.apache.org/jira/browse/HAMA-773
>             Project: Hama
>          Issue Type: Improvement
>            Reporter: Yexi Jiang
>            Assignee: Yexi Jiang
>             Fix For: 0.6.3
>
>         Attachments: HAMA-773.patch, HAMA-773.patch, HAMA-773.patch
>
>
> Some of the method like add, multiply does not validate the input, they just assume the
the input to be correct.
> We need to provide two versions of such methods, one version validates the input but
sacrifice some performance, the other version does not check, but will potentially cause error.

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