* Enable backward direction calculations for monitors in the adjoint method.
0.5.1
* Fix the format for call_fom and call_grad for the user-defined fom. * Add api reference for ScalableToOptRegion3D and AdjointForMultiTO.
0.5.0
* Fix bugs for the wrong reset operations for the adjoint method classes.
0.4.9
* New adjoint method class: AdjointForMultiTO for multi-region topology optimization. * New optimization region class: ScalableToOptRegion3D for scalable topology optimization.
0.4.8
* Fix a bug for the wrong placement of field_region monitors.
0.4.7
* Fix a bug for the wrong placement of mode expansion monitors.