Pow x0 Add Mul -1.57079632679490 x0 exp Mul exp x2 -0.653643620863612 
Mul Pow x0 Add Add Mul -1.57079632679490 x0 exp Mul exp x2 -0.653643620863612 -1 Add Add Mul -1.57079632679490 x0 exp Mul exp x2 -0.653643620863612 Mul Mul x0 log x0 -1.57079632679490 