code: def test_callback_two():
      e = 3 * a * b
      f = g.llvm_callable(
          [a, b], e, callback_type="scipy.integrate.test"
      )
      m = ctypes.c_int(2)
      array_type = ctypes.c_double * 2
      inp = {a: 0.2, b: 1.7}
      array = array_type(inp[a], inp[b])
      jit_res = f(m, array)
  
      res = float(e.subs(inp).evalf())
  
      assert isclose(jit_res, res)
  
imports: from sympy.external import import_module
  from sympy.testing.pytest import raises
  import ctypes
  import sympy
  from sympy.abc import a, b, n
label_desc: Use image node_id 10 for calling a global function with example usage: test_callback_two() without return types