AutoCAD did all manner of nasty things with floating point numbers in order to stash extra data into them. Denormals, NaNs and the like were painfully common. You had to make sure your trap handlers were fast or AutoCAD performance would suck and everybody would slag your computer.
AutoCAD was one of the banes of existence for the FX!32 guys.
Did AutoCAD ever run inside Windows 3.xx? From my vague recollection, it was a DOS program in those days that was launched outside of Windows, or am missing something?
AutoCAD did all manner of nasty things with floating point numbers in order to stash extra data into them. Denormals, NaNs and the like were painfully common. You had to make sure your trap handlers were fast or AutoCAD performance would suck and everybody would slag your computer.
AutoCAD was one of the banes of existence for the FX!32 guys.