improve cos/sin speed. they are still slightly (but now only slightly) slower than before the refactoring into reduce_angle/calc_cos_sin; not sure why
improve cos/sin speed. they are still slightly (but now only slightly) slower than before the refactoring into reduce_angle/calc_cos_sin; not sure why

klkuhlm/mpmath,bjodah/mpmath,bjodah/mpmath,fredrik-johansson/mpmath,JensGrabner/mpmath,klkuhlm/mpmath,JensGrabner/mpmath