public void main()
{
var apple = 100d;
var apple_num = 2d;
var orange = 150d;
var orange_num = 3d;
var tax = 1.1d;
// layer
var mul_apple_layer = new MulLayer();
var mul_orange_layer = new MulLayer();
var add_apple_orange_layer = new AddLayer();
var mul_tax_layer = new MulLayer();
// forward
var apple_price = mul_apple_layer.forward(apple, apple_num); // (1)
var orange_price = mul_orange_layer.forward(orange, orange_num); // (2)
var all_price = add_apple_orange_layer.forward(apple_price, orange_price); // (3)
var price = mul_tax_layer.forward(all_price, tax); // (4)
// backward
var dprice = 1;
(var dall_price, var dtax) = mul_tax_layer.backward(dprice); // (4)
(var dapple_price, var dorange_price) = add_apple_orange_layer.backward(dall_price); // (3)
(var dorange, var dorange_num) = mul_orange_layer.backward(dorange_price); // (2)
(var dapple, var dapple_num) = mul_apple_layer.backward(dapple_price); // (1)
std.print("price:" + (int)price);
std.print("dApple:" + dapple);
std.print("dApple_num:" + (int)dapple_num);
std.print("dOrange:" + dorange);
std.print("dOrange_num:" + (int)dorange_num);
std.print("dTax:" + dtax);
}
public void main()
{
var apple = 100d;
var apple_num = 2;
var tax = 1.1;
var mul_apple_layer = new MulLayer();
var mul_tax_layer = new MulLayer();
// forward
var apple_price = mul_apple_layer.forward(apple, apple_num);
var price = mul_tax_layer.forward(apple_price, tax);
// backward
var dprice = 1;
(var dapple_price, var dtax) = mul_tax_layer.backward(dprice);
(var dapple, var dapple_num) = mul_apple_layer.backward(dapple_price);
std.print("price:" + (int)price);
std.print("dApple:" + dapple);
std.print("dApple_num:" + (int)dapple_num);
std.print("dTax:" + dtax);
}