Method c1

tensorflow/python/kernel_tests/stack_ops_test.py:86–88

(x, y)

      v = constant_op.constant(np.zeros(2000), dtype=dtypes.float32)

      def c1(x, y):
        del y
        return math_ops.greater(x, 0)

      def b1(x, y):
        nx = math_ops.subtract(x, 1)