code: def test_two_sqrt():
      e = 4.0 * sympy.sqrt(a) + sympy.sqrt(b)
      f = g.llvm_callable([a, b], e)
      res = float(e.subs({a: 1.5, b: 2.0}).evalf())
      jit_res = f(1.5, 2.0)
  
      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 6 for calling a global function with example usage: test_two_sqrt() without return types