D_tc_loss line 119 in solver.py

[goodman1204]

I am not sure about the following code, can someone help to explain it?
D_tc_loss = 0.5*(F.cross_entropy(D_z, zeros) + F.cross_entropy(D_z_pperm, ones))

[charan223]

They are just increasing the values of label 0 for D_z, and label 1 for D_z_pperm