On Thu, 7 Jul 2022 08:19:42 -0700, Charles Mills wrote: > >> The CLI chain might be optimized by CLI first for the median value > >In fact, if there were enough I values, might one not effectively do a binary >search? There is an amusing coding problem. > Why didn't I think of that!? And "median" may depend on a priori statistics of the subject data.
On Thu, 7 Jul 2022 16:20:29 +0100, Jonathan Scott wrote: > >Branching and looping are expensive, ... > I wasn't envisioning a loop, but an inline sequence of tests, depending on parse state. My skills are stalled at the 370 level. >If it's a single byte with multiple target values, I probably >wouldn't use TRT but would rather use the byte value to index >into the TRT table directly. > C compilers tend to index into a table of masks defined by #include <ctype.h>. -- gil
