On Wed, Nov 16, 2016 at 9:05 PM, Florian Rivoal <florian@rivoal.net> wrote: > It's been a while since I last though seriously about that, but I seem to remember that > as long as we had something which was continuous, piece-wise linear, and strictly monotonic, we were good, > and that breaking any of the three could mean complications. > > mod is piecewise linear, but not continuous or monotonic > abs is piecewise linear and continuous, but not monotonic > floor, ceiling, min and max are piecewise linear and continuous, and monotonic but not strictly monotonic > round is piecewise linear but not continuous, and monotonic but not strictly monotonic > > I may be misremembering the criteria, and they may not all be of equal difficulty, though. I seem to remember this discussion being raised by dbaron, so maybe he remembers better. I think you got it right. Point is that it needs to be invertible to be usable in several spots in CSS, which those criteria satisfy. ~TJReceived on Monday, 5 December 2016 23:49:30 UTC
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