From 2f833b1c6438fb379e05f12e3111c30c0b2f3416 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 4 Apr 2018 15:47:46 +0200
Subject: bug #1509: fix computeInverseWithCheck for complexes

---
 Eigen/src/LU/InverseImpl.h | 2 +-
 test/inverse.cpp           | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/LU/InverseImpl.h b/Eigen/src/LU/InverseImpl.h
index 018f99b58..f49f23360 100644
--- a/Eigen/src/LU/InverseImpl.h
+++ b/Eigen/src/LU/InverseImpl.h
@@ -404,7 +404,7 @@ inline void MatrixBase<Derived>::computeInverseWithCheck(
     const RealScalar& absDeterminantThreshold
   ) const
 {
-  RealScalar determinant;
+  Scalar determinant;
   // i'd love to put some static assertions there, but SFINAE means that they have no effect...
   eigen_assert(rows() == cols());
   computeInverseAndDetWithCheck(inverse,determinant,invertible,absDeterminantThreshold);
diff --git a/test/inverse.cpp b/test/inverse.cpp
index 5c6777a18..97fe6ff92 100644
--- a/test/inverse.cpp
+++ b/test/inverse.cpp
@@ -47,7 +47,7 @@ template<typename MatrixType> void inverse(const MatrixType& m)
   //computeInverseAndDetWithCheck tests
   //First: an invertible matrix
   bool invertible;
-  RealScalar det;
+  Scalar det;
 
   m2.setZero();
   m1.computeInverseAndDetWithCheck(m2, det, invertible);
@@ -113,5 +113,7 @@ void test_inverse()
     
     CALL_SUBTEST_7( inverse(Matrix4d()) );
     CALL_SUBTEST_7( inverse(Matrix<double,4,4,DontAlign>()) );
+
+    CALL_SUBTEST_8( inverse(Matrix4cd()) );
   }
 }
-- 
cgit v1.2.3