Weight Normalization in Pytorch
Some discussion about weight_norm in pytorch
pytorch/pytorch#1945
https://gist.github.com/rtqichen/b22a9c6bfc4f36e605a7b3ac1ab4122f
https://github.com/stormraiser/GAN-weight-norm/tree/master/pytorch/modules
The orginal code for weight_norm is from https://github.com/openai/weightnorm