Function tests pass for order 0 at tolerance 1e-10
Function tests pass for order 0 derivatives at tolerance 1e-10
Interpolation tests pass for order 0 at tolerance 1e-10
Interpolation tests pass for order 0 derivatives at tolerance 1e-10
Interpolation tests pass for order 0 at tolerance 1e-10
Interpolation tests pass for order 0 derivatives at tolerance 1e-10
Function   convergence rate at refinement 0: 1.01
Derivative convergence rate at refinement 0: -0.00
Function   convergence rate at refinement 1: 1.00
Derivative convergence rate at refinement 1: -0.00
Function   convergence rate at refinement 2: 1.00
Derivative convergence rate at refinement 2: -0.00