expect_diagonal	expect_diagonal
expect_idempotent	expect_idempotent
expect_involutory	expect_involutory
expect_n_idempotent	expect_n_idempotent
expect_n_involutory	expect_n_involutory
expect_orthogonal	expect_orthogonal
expect_periodic	expect_periodic
expect_psd	expect_psd
expect_spd	expect_spd
expect_symmetric	expect_symmetric
