Re: [PATCH] When converting from double to fixed, round carefully.

2008-11-14 Thread Keith Packard
On Fri, 2008-11-14 at 23:31 +0100, Clemens Eisserer wrote: > Hi, > > > Perhaps we should extend Render to include 64-bit floating point > > transforms... > That would be really great. > I am doing some tricks with mask-transformations having quite a hard > time by the fixed-point limitations, esp

Re: [PATCH] When converting from double to fixed, round carefully.

2008-11-14 Thread Clemens Eisserer
Hi, > Perhaps we should extend Render to include 64-bit floating point transforms... That would be really great. I am doing some tricks with mask-transformations having quite a hard time by the fixed-point limitations, especially for large scales (like 100x). - Clemens ___

[PATCH] When converting from double to fixed, round carefully.

2008-11-14 Thread Keith Packard
This reduces the matrix representation error after inverting a transformation matrix (although it doesn't eliminate it entirely). Perhaps we should extend Render to include 64-bit floating point transforms... --- render/matrix.c |7 --- 1 files changed, 4 insertions(+), 3 deletions(-) di