add test for std:bitset
rename
array works
add template class example
add test code to allocate >1GB memory. runs fine
add simple test of scipy.sparse multiply
more
conjugate is safe!
add multiply
more
more
start working on linalg on sparse matrix
more
more
more
start working on LinearOperator
weird solution for matrix shape issue

somehow it's hard to convert a 1xD the sparse matrix to a numpy 1D vector
toarray rather than todense
poke internals of csr
start working on kron matvec