use dense_linalg::{
dense_bilinear, dense_matvec_into, dense_matvec_scaled_add_into, dense_transpose_matvec_into,
dense_transpose_matvec_scaled_add_into, design_matrix_apply_view,
design_matrix_apply_view_into, design_matrix_column_into,
design_matrix_transpose_apply_view_into, trace_matrix_product,
};