From 6228f27234ca84545e711fb27b7850f6829af3d9 Mon Sep 17 00:00:00 2001
From: Sebastien Boisvert <seb@boisvert.info>
Date: Tue, 9 Jun 2020 18:29:13 -0400
Subject: Fix #1818: SparseLU: add methods nnzL() and nnzU()

Now this compiles without errors:

$ clang++ -I ../../ test_sparseLU.cpp -std=c++03
---
 Eigen/src/SparseLU/SparseLU.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Eigen/src/SparseLU/SparseLU.h b/Eigen/src/SparseLU/SparseLU.h
index 090993adc..1e7116c98 100644
--- a/Eigen/src/SparseLU/SparseLU.h
+++ b/Eigen/src/SparseLU/SparseLU.h
@@ -355,6 +355,9 @@ class SparseLU : public SparseSolverBase<SparseLU<_MatrixType,_OrderingType> >,
       return (m_detPermR * m_detPermC) > 0 ? det : -det;
     }
 
+    Index nnzL() const { return m_nnzL; };
+    Index nnzU() const { return m_nnzU; };
+
   protected:
     // Functions 
     void initperfvalues()
-- 
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