general_solve least_squares lu_decomp cholesky qr_decomp svd_decomp syev stev symm_ev sci-libs/lapack-reference-3.4.1 -O3 sci-libs/atlas-3.10.0 -threads openmp sci-libs/mkl-10.3.7.256 mkl32* *gfortran* *int64* sci-libs/acml-5.1.0