Is there a way to temporally change show() not to use scientific notation in REPL? or at least print with specific power of n, ex. e3 or e12 ? I’m not used to using scientific notation and seeing two values in different notation isn’t obvious at glance which value is larger. julia> [1000000.0, 100…

Maybe via IOContext I/O and Network · The Julia Language ? Otherwise you need to override a Base.show method. What would you like it to print?

This doesn’t help with the solution you’re looking for, but for the issue of which one is larger- it’s always the one in scientific notation, because the printing only switches to it for large values. Edit: at least I think so- I always assumed this is how it works but I’m not sure that’s written a…

https://github.com/ma-laforge/NumericIO.jl/

Thanks @rafael.guerra , this seems to be the easiest one: julia> [1000000.0, 10000.0] 2-element Vector{Float64}: 1.0e6 10000.0 julia> using Printf julia> Base.show(io::IO, f::Float64) = @printf(io, "%.1f", f) julia> [1000000.0, 10000.0] 2-element Vector{Float64}: 1000000.0 10000.0 juli…

it seems to me that NumericIO.jl is a bit behind? It’s still using ~/.juliarc.jl, as it’s been replaced by ~/.julia/config/startup.jl in Julia 1.0 ( .juliarc.jl in Julia1.0 ) REPL setup in the README doesn’t work with Julia 1.7. julia> using NumericIO julia> Base.display(r::Base.REPL.REPLDisplay, …

@MA_Laforge might have more to say

Thanks for pinging me. @jar1 [image] yashi: it seems to me that NumericIO.jl is a bit behind? I haven’t touched this module in quite a while. I’ll try to revisit that example sometime this week. I should definitively at least update to the readme to point to juliarc.jl → startup.jl.

[image] yashi: REPL setup in the README doesn’t work with Julia 1.7. Correct: REPL moved out of base and into its own module. You now have to write: import REPL using NumericIO Base.display(r::REPL.REPLDisplay, v::Union{Float32,Float64}) = print(formatted(REPL.outstream(r.repl), :SI, ndigit…

Changing Vectors/Arrays are displayed Unfortunately, Julia will not change how it displays vectors if you overwrite the Base.display(r::REPL.REPLDisplay, v::Union{Float32,Float64}) method. That’s because the call tree used to display vectors does not call display() on individual elements of the ar…

[image] MA_Laforge: changing it might have unexpected repercussions in other modules elsewhere. Would you mind elaborating me a bit more? In what case does a module read the string from show()? Does it solve if I specify io to be stdout?

Scientific Notation in REPL

New to Julia

rafael.guerra April 22, 2022, 4:48pm 3

See one example of customization in this post.

2 Likes

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Scientific Notation in REPL

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