From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Mon, 16 Mar 2020 22:51:37 +0000
Subject: gnu: eigen: Stabilise sparseqr test.

Taken verbatim from this[0] upstream commit.

[0]: https://gitlab.com/libeigen/eigen/-/commit/3b5deeb546d4017b24846f5b0dc3296a50a039fe

From 3b5deeb546d4017b24846f5b0dc3296a50a039fe Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 19 Feb 2019 22:57:51 +0100
Subject: [PATCH] bug #899: make sparseqr unit test more stable by 1) trying
 with larger threshold and 2) relax rank computation for rank-deficient
 problems.

---
 test/sparseqr.cpp | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/test/sparseqr.cpp b/test/sparseqr.cpp
index 3ffe62314..3576cc626 100644
--- a/test/sparseqr.cpp
+++ b/test/sparseqr.cpp
@@ -43,6 +43,7 @@ int generate_sparse_rectangular_problem(MatrixType& A, DenseMat& dA, int maxRows
 
 template<typename Scalar> void test_sparseqr_scalar()
 {
+  typ</td></tr></table>
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