On Tue, Jul 3, 2012 at 2:58 PM, Werner LEMBERG <w...@gnu.org> wrote: > >>> widths which are different less than or equal to 1% of the em size >>> are unified; this is certainly not noticeable visually. >> >> 1/64 is better heuristic than 1%. Why not avoid costly division with >> divide by 64 instead. > > I doubt that it is `costly' since the routine is called exactly twice > *per font* (and not per glyph).
Just for the record: since i8086 or maybe earlier, a division takes 10 times more CPU time than an addition or a multiplication. > > Personally, I think that the value 1% is easier to comprehend than the > value 1.5625% (to which a division by 64 is equivalent), so in this > case I prefer the human to the computer. Tell this to any American who would prefer 1/32th of an inch to a millimetre before you finish your sentence. You defending this more than just a heuristic value, there is a European pride behind it :) _______________________________________________ Freetype-devel mailing list Freetype-devel@nongnu.org https://lists.nongnu.org/mailman/listinfo/freetype-devel