[GRASS5] [bug #823] (grass) rast problems dealing with null maps on DEC Alpha (Linux)

Glynn Clements glynn.clements at virgin.net
Fri Nov 2 02:12:36 EST 2001


Request Tracker wrote:

> Subject: rast problems dealing with null maps on DEC Alpha (Linux)

> Anything to do with floating point raster maps with null map on a DEC Alpha 
> causes a 
> floating point exception... FIX taken from source of Grass 4.2.1 with FP + 
> NULL patches is to not use NaN to mark nulls in floating point maps but 
> rather to use FLT_MAX...

That isn't a fix, but a workaround.

Do you have any idea what causes the FP exception? Or is it any
attempt to perform FP operations on NaN values?

-- 
Glynn Clements <glynn.clements at virgin.net>



More information about the grass-dev mailing list