message: switched deg_to_rad<->rad_to_deg
diff: @@ -1585,11 +1585,11 @@ def atanh(a):
  return _math.atanh(a)
  -def deg_to_rad(a):
  +def rad_to_deg(a):
  return a * (180.0 / _ek.Pi)
  -def rad_to_deg(a):
  +def deg_to_rad(a):
  return a * (_ek.Pi / 180.0)
  