[2/2] incubator-systemml git commit: [SYSTEMML-1625] GPU Unit Tests (and GPU row/col variance bug fix)

[SYSTEMML-1625] GPU Unit Tests (and GPU row/col variance bug fix) - Documented random matrix generation - GPU unit test using MLContext. Compares CPU output to GPU - Pseudo-unit tests for GPU implementations of unary ops, unary aggregate ops, transpose, elementwise ops, matrix multiplication

[1/2] incubator-systemml git commit: [SYSTEMML-1625] GPU Unit Tests (and GPU row/col variance bug fix)

Repository: incubator-systemml Updated Branches: refs/heads/master ceeec4bbf -> 772fb5883 http://git-wip-us.apache.org/repos/asf/incubator-systemml/blob/772fb588/src/test/java/org/apache/sysml/test/gpu/MatrixMatrixElementWiseOpTests.java