Fix incorrect backward `EigenmodeCoefficient` gradients and update test case#1593

Merged

stevengj merged 3 commits intoNanoComp:masterfrom ianwilliamson:adjoint-backward-grad-fix

Sep 30, 2021

+281-234

Commits on Sep 28, 2021

Fix backward gradients in EigenmodeCoefficient and update JAX adjoint test to check gradients in both forward and backward directions
ianwilliamson
committed

Commits on Sep 29, 2021

Scale kpoint by abs(center_frequency) and apply yapf formatting
ianwilliamson
committed

Commits on Sep 30, 2021

Fix parenthesis in center frequency calculation, fix eigenmode coefficient creation comprehension in test, fix design resolution calculation in test
ianwilliamson
committed