Method test_not_gpu

test/python/test_operation.py:2020–2021

(self)

    @unittest.skipIf(not singa_wrap.USE_CUDA, 'CUDA is not enabled')
    def test_not_gpu(self):
        self._not_helper(gpu_dev)

    def _xor_helper(self, dev):
        x0 = np.array([0, -0.3, -0.1, 0.1, 0.5,