On Thu, Aug 4, 2016 at 9:24 AM, Alexander Belopolsky < alexander.belopolsky@gmail.com> wrote:
The behavior of each variant is subtly different from the others. Having this function in stdlib would allow standardizing on one well-documented (and hopefully well-motivated) variant.
exactly -- not every small function should be in the stdlib -- but there is a place for it when there are multiple subtly different way to implement it. regardless of the outcome of the NaN issue -- I think the "one obvious way to do it" should be the math.clip() (or math.clamp()) function. -CHB -- Christopher Barker, Ph.D. Oceanographer Emergency Response Division NOAA/NOS/OR&R (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception Chris.Barker@noaa.gov