[GRASS5] r.flow: strange compile error M_PI

[Brad Douglas]

On Tue, 2005-06-28 at 23:38 +1200, Hamish wrote:
> > Personally, I would just conditionalise the local definitions, e.g.:
> > 
> > 	#ifndef M_PI
> > 	#define M_PI 3.14159265358979323846
> > 	#endif
> 
> why not go straight to the long?
> 
> 3.1415926535897932384626433832795029
> or 
> 3.1415926535897932384626433832795029L
> 
> (but don't call that M_PI)

That should be called M_PIl.

I like the idea of adding these macros to gis.h, if not sorting it out
with autoconf (still my favored method).


-- 
Brad Douglas <rez at touchofmadness.com>