Use arrays instead of HashMaps in sparse matrices.
Merge upstream changes.
Use arrays instead of HashMaps in sparse matrices.
Use arrays instead of HashMaps in sparse matrices.
ASparseRCMatrix.isZero() null check
ASparseRCMatrix.isZero() null check
Fixed line-length bug in ASparseRCMatrix.fill(...)
Fixed innerProduct inefficiency.
Merge pull request #62 from moygit/develop

Use arrays instead of HashMaps in sparse matrices.