def test_TrefethenGeneral_d0(self):
"""Test for Trefethen - Sausage General and parameter d=0."""
grid = TrefethenGeneral(10, ClenshawCurtis, 0)
new = TrefethenCC(10, 0)
assert_allclose(grid.points, new.points)
assert_allclose(grid.weights, new.weights)
def test_TrefethenCC_d0(self):
"""Test for Trefethen - Sausage Clenshaw Curtis and parameter d=0."""
grid = TrefethenCC(10, 0)
tmp = ClenshawCurtis(10)
assert_allclose(grid.points, tmp.points)
assert_allclose(grid.weights, tmp.weights)
def test_TrefethenCC_d3(self):
"""Test for Trefethen - Sausage Clenshaw Curtis and parameter d=3."""
grid = TrefethenCC(10, 3)
tmp = ClenshawCurtis(10)
new_points = _g3(tmp.points)
new_weights = _derg3(tmp.points) * tmp.weights
assert_allclose(grid.points, new_points)
assert_allclose(grid.weights, new_weights)