Added a routine for performing random permutations, to be used by the tests.
Fixed typo in the arpack.h header
Added a routine for performing random permutations, to be used by the tests.
Added a test for eigs
Added zeros(dimensions) methodr to Tensor
Remove bogus namespace prefix from the definition of linspace
Added sparse-tensor and tensor-sparse matrix multiplications.
Remove trailing backslash from test/Makefile.am
Various fixes to the permutation code.
Added Tensor::ones(dimensions) to create tensors filled with ones.