def backward(self) -> Dependency:
depends_on: List[Dependency] = []
if self.x.requires_grad:
depends_on.append(Dependency(self.x, self.grad_fn1))
if self.y.requires_grad:
depends_on.append(Dependency(self.y, self.grad_fn2))
return depends_on
def backward(self) -> Dependency:
depends_on = []
if self.value.requires_grad:
depends_on = [Dependency(self.value, self.grad_fn)]
return depends_on
def backward(self) -> List[Dependency]:
if self.value.requires_grad:
depends_on = [Dependency(self.value, self.grad_fn)]
else:
depends_on = []
return depends_on