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Diagonal \ SparseMatrixCSC throws StackOverflow #15933

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lruthotto opened this issue Apr 19, 2016 · 3 comments
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Diagonal \ SparseMatrixCSC throws StackOverflow #15933

lruthotto opened this issue Apr 19, 2016 · 3 comments
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sparse Sparse arrays

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@lruthotto
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Trying the following

D = Diagonal(rand(5))
A = sprandn(5,5,.1)
D\A

Gives me a StackOverflow error. Looking at linalg/generic.jl at line 323 it seemed like the problem is that factorize(D) returns a Diagonal and then goes on forever. However,

D\full(A)

works fine for me. I'm using 0.4.6-pre+23 by the way.
@lruthotto
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just checked and the problem still persists with version 0.4.6-pre+30

@yuyichao
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yuyichao commented Apr 19, 2016 •
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Dup of JuliaLang/LinearAlgebra.jl#283
@andreasnoack maybe we can have a backportable version of the PR's that fix it?

@tkelman
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tkelman commented Sep 13, 2016

apparently not

@ViralBShah ViralBShah added the sparse Sparse arrays label Sep 13, 2016
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@yuyichao @ViralBShah @lruthotto @tkelman