lazymatrix 0.6.0

Lazy normalized design matrices: apply column centering/scaling without materializing (X - 1cᵀ)S⁻¹, preserving sparsity.
Documentation 
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use crate::nalgebra_0_32 as nalgebra;
use crate::nalgebra_sparse_0_9 as nalgebra_sparse;
use nalgebra::{ClosedAdd as ClosedAddAssign, ClosedMul as ClosedMulAssign};

#[path = "csr.rs"]
mod csr;
#[path = "dense.rs"]
mod dense;
#[path = "gram.rs"]
mod gram;
#[path = "sparse.rs"]
mod sparse;
#[path = "vector.rs"]
mod vector;