Burak Yavuz created SPARK-10353:
-----------------------------------
Summary: 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
Reporter: Burak Yavuz
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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