I think that was a typo for not surprised. -- John
On Sep 18, 2014, at 9:59 AM, Steven G. Johnson <stevenj....@gmail.com> wrote: > > > On Thursday, September 18, 2014 12:00:32 PM UTC-4, Florian Oswald wrote: > well, I guess most computer scientists would be surprised. writing on a piece > of paper > > -10^2 > > and > > -(10^2) > > I think most people are going to say the first expression is 100 and the > second is -100. I take the point that what I did was a bit stupid and Julia > is not making any mistake here. > > Note that in Fortran, Python, Matlab, and Mathematica, the exponentiation > operator has higher precedence than unary -, similar to Julia. -10^2 in > WolframAlpha (http://www.wolframalpha.com/input/?i=-10%5E2) gives 100, and > WolframAlpha tries pretty hard to do natural-language interpretation of > mathematical expressions. > > So, I'm not sure why computer scientists would be surprised.
