@jit('void(double[:], double[:], double[:])', nopython=True, nogil=True)
def inner_func_nb(result, a, b):
 for i in range(len(result)):
  result[i] = math.exp(((2.1 * a[i]) + (3.2 * b[i])))

@ jit ( 'void(double[:], double[:], double[:])' , nopython = True , nogil = True ) def inner_func_nb ( result , a , b ) : for i in range ( len ( result ) ) : result [ i ] = math . exp ( ( ( 2.1 * a [ i ] ) + ( 3.2 * b [ i ] ) ) )
function under test .