From 4d8a968a87d7edd4586ee901dffa4eaa6856b966 Mon Sep 17 00:00:00 2001 From: "Viral B. Shah" Date: Fri, 4 Jan 2019 00:05:38 -0500 Subject: [PATCH] Add the scaled identity matrix to a random matrix to avoid getting a singular matrix (#30576) Fix #30572 --- stdlib/SuiteSparse/test/umfpack.jl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/stdlib/SuiteSparse/test/umfpack.jl b/stdlib/SuiteSparse/test/umfpack.jl index 12ce4c9bddac4..356c0cf3fa4e7 100644 --- a/stdlib/SuiteSparse/test/umfpack.jl +++ b/stdlib/SuiteSparse/test/umfpack.jl @@ -178,7 +178,7 @@ using LinearAlgebra: Adjoint, Transpose, SingularException end @testset "deserialization" begin - A = sprandn(10, 10, 0.4) + A = 10*I + sprandn(10, 10, 0.4) F1 = lu(A) b = IOBuffer() serialize(b, F1)