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https://issues.apache.org/jira/browse/SPARK-10353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng updated SPARK-10353:
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Affects Version/s: 1.3.1
1.4.1
> MLlib BLAS gemm outputs wrong result when beta = 0.0 for transpose transpose
> matrix multiplication
> --------------------------------------------------------------------------------------------------
>
> Key: SPARK-10353
> URL: https://issues.apache.org/jira/browse/SPARK-10353
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 1.3.1, 1.4.1, 1.5.0
> Reporter: Burak Yavuz
> Fix For: 1.4.2, 1.5.1
>
>
> Basically
> {code}
> if (beta != 0.0) {
> f2jBLAS.dscal(C.values.length, beta, C.values, 1)
> }
> {code}
> should be
> {code}
> if (beta != 1.0) {
> f2jBLAS.dscal(C.values.length, beta, C.values, 1)
> }
> {code}
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