code: def test_smoke(self, device, dtype, size):
      src1, src2, alpha, beta, gamma = self.get_input(
          device, dtype, size=3
      )
      assert_close(
          TestAddWeighted.fcn(src1, alpha, src2, beta, gamma),
          src1 * alpha + src2 * beta + gamma,
      )
  
file_path: kornia/test/enhance/test_core.py
imports: import random
  import pytest
  import torch
  from torch.autograd import gradcheck
  import kornia
  import kornia.testing
  from kornia.core import Tensor
  from kornia.testing import assert_close
label_desc: Use image node_id 2 for calling the TestAddWeighted obj's underlying member method code with example usage: obj.test_smoke(device, dtype, size) without return types