Way to enforce `BigFloat` math by default

[mkitti]

You may be interested in SafeREPL.jl:

[ANN] SafeREPL: use BigInt by default at the REPL

With Julia 1.5 around the corner, I’m happy to present SafeREPL, a little experimental package which by default interprets Int and Int128 REPL literals as BigInt, and Float64 literals as BigFloat: julia> using SafeREPL julia> factorial(40) 815915283247897734345611269596115894272000000000 julia> sqrt(2.0) 1.414213562373095048801688724209698078569671875376948073176679737990732478462102 julia> c = 299_792_458; c^3 # the cube of the speed of light can even be computed safely! 26944002417373989…

julia> using SafeREPL

julia> π
π = 3.1415926535897...

julia> π/2
1.570796326794896619231321691639751442098584699687552910487472296153908203143099

julia> BigFloat(π)/2
1.570796326794896619231321691639751442098584699687552910487472296153908203143099