[vtk-developers] vtkImageReslice performance questions/improvemnts

[Sean McBride]

On Tue, 14 Sep 2010 09:08:01 -0600, David Gobbi said:

>Casting to int does round-towards-zero, while floor() does
>round-towards-neg-infinity.  The latter rounding mode is needed for
>vtkImageReslice.

BTW, no test seems to catch this.  Before and after I changed the floor
to a simple cast, the same tests pass/fail.  (Alas, many tests fail on
my config, hopefully none of these failures are masking a test that
would have caught this.)

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada