Seems like the literal -0.4^2.5 should throw the same error, though?
On Thursday, September 18, 2014 6:42:56 AM UTC-5, Tim Holy wrote: > > > http://docs.julialang.org/en/latest/manual/faq/#why-does-julia-give-a-domainerror-for-certain-seemingly-sensible-operations > > > On Thursday, September 18, 2014 03:24:00 AM Florian Oswald wrote: > > # define a variable gamma: > > > > gamma = 1.4 > > mgamma = 1.0-gamma > > > > julia> mgamma > > -0.3999999999999999 > > > > # this works: > > > > julia> -0.399999999999^2.5 > > -0.10119288512475567 > > > > # this doesn't: > > > > julia> mgamma^2.5 > > ERROR: DomainError > > in ^ at math.jl:252 > >
