[PATCH] math: Use sign as double for reduced case in sinf

[Joseph Myers]

On Tue, 5 Dec 2017, Adhemerval Zanella wrote:

> 	* sysdeps/ieee754/flt-32/s_sinf.c (ones): Define as double.
> 	(reduced): Use ones as double instead of integer.

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com