tensor_sort_d.cc was imported empty
Fixed type casts from tensor:cdouble to blas:cdouble in src/arpack/c[ae]upp.h
arpack_z.cc did not instantiate the proper classes
Missing namespace prefix in CArpack
Added dependency on arpack-ng directory for the global library
Sorting of complex vectors by the real part
Added the eigs() routines to the library
Sort complex vectors