Add bilinear_mad, and comments for all the bilinear functions.
Add bilinear_mad, and comments for all the bilinear functions.


git-svn-id: c3edda122e248ef33995da003806c930f62b9468@209 31904243-a364-42ac-a3db-9305396518ba

YangYangTL/oiio,scott-wilson/oiio,micler/oiio,cwilling/oiio,mcanthony/oiio,bdeluca/oiio,micler/oiio,scott-wilson/oiio,OpenImageIO/oiio,lgritz/oiio,OpenImageIO/oiio,cwilling/oiio,scott-wilson/oiio,cwilling/oiio,OpenImageIO/oiio,sambler/oiio,bdeluca/oiio,bdeluca/oiio,sambler/oiio,mcanthony/oiio,YangYangTL/oiio,lgritz/oiio,jeremyselan/oiio,YangYangTL/oiio,sambler/oiio,mcanthony/oiio,YangYangTL/oiio,jeremyselan/oiio,OpenImageIO/oiio,jeremyselan/oiio,scott-wilson/oiio,micler/oiio,sambler/oiio,cwilling/oiio,mcanthony/oiio,lgritz/oiio,micler/oiio,bdeluca/oiio,lgritz/oiio