code: def test_cse():
      e = a * a + b * b + sympy.exp(-a * a - b * b)
      e2 = sympy.cse(e)
      f = g.llvm_callable([a, b], e2)
      res = float(e.subs({a: 2.3, b: 0.1}).evalf())
      jit_res = f(2.3, 0.1)
  
      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 13 for calling a global function with example usage: test_cse() without return types