JuliaLang/LinearAlgebra.jl
Linear Algebra operations with matrices of abstract element types are promoted incorrectly
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#287 opened on 2015/12/02
bignumsbughelp wanted
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説明
Follow up to JuliaLang/LinearAlgebra.jl#285.
Ex.
julia> a = Real[1.0 big(realmax(Float64))+1
1.0 big(1.0)]
2x2 Array{Real,2}:
1.0 1.797693134862315708145274237317043567980705675258449965989174768031572607800285e+308
1.0 1.000000000000000000000000000000000000000000000000000000000000000000000000000000
julia> eigfact(a)
Base.LinAlg.Eigen{Float64,Float64,Array{Float64,2},Array{Float64,1}}([1.3407807929942597e154,-1.3407807929942597e154],2x2 Array{Float64,2}:
1.0 -1.0
7.45834e-155 7.45834e-155)
To be correct, this would have to widen the element type in a manner similar to map.
cc: @andreasnoack