Function tests pass for order 2 at tolerance 1e-10
Function tests pass for order 2 derivatives at tolerance 1e-10
Interpolation tests FAIL for order 2 at tolerance 1e-10 error 0.0172901
Interpolation tests FAIL for order 2 derivatives at tolerance 1e-10 error 0.700765
Interpolation tests FAIL for order 2 at tolerance 1e-10 error 0.020101
Interpolation tests FAIL for order 2 derivatives at tolerance 1e-10 error 0.33593