Matthias Boehm created SYSTEMML-2058:
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Summary: Incorrect results on sparse-dense, sparse-unsafe unary
operations
Key: SYSTEMML-2058
URL: https://issues.apache.org/jira/browse/SYSTEMML-2058
Project: SystemML
Issue Type: Bug
Reporter: Matthias Boehm
The generalization of NOT to matrices revealed a hidden issue of incorrect
results for sparse-dense unary operations. This happens in case of
sparse-unsafe operations that produce a zero for each existing non-zero value
because this zeros are rejected by the used append functionality.
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