Method DropoutModule

tools/train/source/nn/NN.cpp:43–46

class DropoutModule : public Module {
public:
    DropoutModule(const float dropRatio) {
        mDropRatio = dropRatio;
        setType("Dropout");
    }

    virtual std::vector<Express::VARP> onForward(const std::vector<Express::VARP>& inputs) override {
        Express::VARP x = inputs[0];