net_->ForwardBackward()方法在net.hpp文件中
Dtype ForwardBackward() { Dtype loss; Forward(&loss); Backward(); return loss; }
net_->ForwardBackward()方法在net.hpp文件中
Dtype ForwardBackward() { Dtype loss; Forward(&loss); Backward(); return loss; }
原文：https://www.cnblogs.com/pursuiting/p/8542787.html