JuliaLang/julia — pull request #3060 by andrioni (2013-05-09 04:26:48+00:00)
Title: Add a conversion method from BigInt to FloatingPoint

This will be very useful in the future, as it solves #2930 for BigInts (`float(x)` uses `convert(FloatingPoint, x)`), so float(BigInt(1)im) now works.