pub fn workspace_csc<N, A, B, I, Iptr, Mat1, Mat2>( lhs: &Mat1, _: &Mat2, ) -> Vec<N>where N: Clone + Num, I: SpIndex, Iptr: SpIndex, Mat1: SpMatView<A, I, Iptr>, Mat2: SpMatView<B, I, Iptr>,
Allocate the appropriate workspace for a CSC-CSC product