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 coarsening 0: 1.8
Derivative convergence rate at coarsening 0: 1.3
Function   convergence rate at coarsening 1: 1.8
Derivative convergence rate at coarsening 1: 1.4
Function   convergence rate at coarsening 2: 1.6
Derivative convergence rate at coarsening 2: 0.94