From a87cff20df5129c364c4675f05ceb6d451188f6c Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Sat, 14 Jul 2018 09:38:49 +0200
Subject: Fix GeneralizedEigenSolver when requesting for eigenvalues only.

---
 test/eigensolver_generalized_real.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'test/eigensolver_generalized_real.cpp')

diff --git a/test/eigensolver_generalized_real.cpp b/test/eigensolver_generalized_real.cpp
index 12a15ab81..9dd44c89d 100644
--- a/test/eigensolver_generalized_real.cpp
+++ b/test/eigensolver_generalized_real.cpp
@@ -76,6 +76,13 @@ template<typename MatrixType> void generalized_eigensolver_real(const MatrixType
     GeneralizedEigenSolver<MatrixType> eig2(a.adjoint() * a,b.adjoint() * b);
     eig2.compute(a.adjoint() * a,b.adjoint() * b);
   }
+
+  // check without eigenvectors
+  {
+    GeneralizedEigenSolver<MatrixType> eig1(spdA, spdB, true);
+    GeneralizedEigenSolver<MatrixType> eig2(spdA, spdB, false);
+    VERIFY_IS_APPROX(eig1.eigenvalues(), eig2.eigenvalues());
+  }
 }
 
 void test_eigensolver_generalized_real()
-- 
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