On 13 December 2017 at 15:08, John Kasunich <[email protected]> wrote: > One thing to be aware of: If your application runs the motors in the same > direction for long periods of time, absolute position will keep increasing > even though relative position doesn't change. If HAL still uses single > precision (32bit) floats, you eventually might start losing resolution. If > HAL uses double precision it will probably take a very long time before that > happens. But you are still looking at small differences between large (and > constantly increasing) numbers - never a good thing.
It uses double. (and the actual position output is calculated from an internal 64-bit buffer of individual counts) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
