Common place for math algorithms like gauss elimination (gauss.hxx)

[Caolán McNamara]

On Fri, 2013-07-05 at 14:12 +0200, Tomaž Vajngerl wrote:
> 
> For polynomial regression curve calculation I used gauss elimination
> which is already used in basegfx [1]. As this is a basegfx private
> file I copied it to chart2 temporary (as I did not yet know if it is
> useful to me in the time of exploration) but now I want to find a
> common home for this file so both basegfx and chart2 can use it. Where
> is the usual place for such math algorithms? Should I put it into sal
> module or is there a better place? 

Not sal anyway. How about simply as a public basegfx header ?

C.