This is indeed a bug – could you open an issue? https://github.com/JuliaLang/julia/issues
On Mon, Nov 10, 2014 at 5:55 PM, Samuel S. Watson <[email protected] > wrote: > I'm getting (notice the negative sign): > > abs(big(-0.0)) = -0e+00 with 256 bits of precision > > I think it would be better to have abs(big(-0.0)) return 0e+00 (for > example, abs(-0.0) returns 0.0). Perhaps this could be fixed with an > abs(::BigFloat) method. It seems that the problem is that abs(x::Real) is > ifelse(x<0,-x,0), and -0 is not less than 0. >
