[PATCH 6/7] sin/cos slow paths: refactor duplicated code into dosin

[Joseph Myers]

On Wed, 21 Mar 2018, Wilco Dijkstra wrote:

> Refactor duplicated code into do_sin.  Since all calls to do_sin use copysign to
> set the sign of the result, move it inside do_sin.  Small inputs use a separate
> polynomial, so move this into do_sin as well (the check is based on the more
> conservative case when doing large range reduction, but could be relaxed).

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com