On Tuesday, September 9, 2014 8:02:44 AM UTC-5, Tim Holy wrote: > > In Matlab, until quite recently X.^2 was slower than X.*X. It was that way > for > something like 25 years before they fixed it. >
And a couple more years before it was fixed in Coder. And an expensive, very branchy set of guards was generated to wrap every invocation of pow(). We once had to change a whole bunch of these to X.*X to get a simulation down to realtime... Patrick
