From 9a6967d9ba662ed2f2916a2f3f3c246a553e98b2 Mon Sep 17 00:00:00 2001
From: Hauke Heibel <hauke.heibel@gmail.com>
Date: Sun, 20 Jun 2010 13:17:57 +0200
Subject: Attempt to fix MatrixExponential/Function related warnings.

---
 unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h')

diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h b/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
index 99446758a..17040c5f3 100644
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
@@ -117,7 +117,7 @@ class MatrixFunction<MatrixType, 0>
     }
 
   private:
-    const MatrixType& m_A; /**< \brief Reference to argument of matrix function. */
+    const typename ei_nested<MatrixType>::type m_A; /**< \brief Reference to argument of matrix function. */
     StemFunction *m_f; /**< \brief Stem function for matrix function under consideration */    
 
     MatrixFunction& operator=(const MatrixFunction&);
@@ -167,7 +167,7 @@ class MatrixFunction<MatrixType, 1>
     void computeOffDiagonal();
     DynMatrixType solveTriangularSylvester(const DynMatrixType& A, const DynMatrixType& B, const DynMatrixType& C);
 
-    const MatrixType& m_A; /**< \brief Reference to argument of matrix function. */
+    const typename ei_nested<MatrixType>::type m_A; /**< \brief Reference to argument of matrix function. */
     StemFunction *m_f; /**< \brief Stem function for matrix function under consideration */
     MatrixType m_T; /**< \brief Triangular part of Schur decomposition */
     MatrixType m_U; /**< \brief Unitary part of Schur decomposition */
@@ -520,7 +520,7 @@ template<typename Derived> class MatrixFunctionReturnValue
     template <typename ResultType>
     inline void evalTo(ResultType& result) const
     {
-      const typename ei_eval<Derived>::type Aevaluated = m_A.eval();
+      const typename Derived::PlainObject Aevaluated = m_A.eval();
       MatrixFunction<typename Derived::PlainObject> mf(Aevaluated, m_f);
       mf.compute(result);
     }
@@ -529,7 +529,7 @@ template<typename Derived> class MatrixFunctionReturnValue
     Index cols() const { return m_A.cols(); }
 
   private:
-    const Derived& m_A;
+    const typename ei_nested<Derived>::type m_A;
     StemFunction *m_f;
 
     MatrixFunctionReturnValue& operator=(const MatrixFunctionReturnValue&);
-- 
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