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: 1.1
Derivative convergence rate at coarsening 0: 0.68
Function   convergence rate at coarsening 1: 1.2
Derivative convergence rate at coarsening 1: 0.63
Function   convergence rate at coarsening 2: 1.1
Derivative convergence rate at coarsening 2: 0.52