def test_sparse(self, ham2, backend):
h = qu.sparse(ham2)
el = qu.eigvalsh_window(h, 0.5, 2, w_sz=0.1, backend=backend)
assert_allclose(el, [1, 1.1])
def test_sparse_cut(self, ham1):
h = qu.sparse(ham1)
el = qu.eigvalsh_window(h, 0.5, 5, w_sz=0.3)
assert_allclose(el, [1, 2, 3])
def test_dense(self, ham2):
h = ham2
el = qu.eigvalsh_window(h, 0.5, 2, w_sz=0.1)
assert_allclose(el, [1, 1.1])
