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1 files changed, 42 insertions, 0 deletions

diff --git a/eigen/Eigen/src/Eigen2Support/TriangularSolver.h b/eigen/Eigen/src/Eigen2Support/TriangularSolver.h
new file mode 100644
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+++ b/eigen/Eigen/src/Eigen2Support/TriangularSolver.h
@@ -0,0 +1,42 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@inria.fr>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef EIGEN_TRIANGULAR_SOLVER2_H
+#define EIGEN_TRIANGULAR_SOLVER2_H
+
+namespace Eigen { 
+
+const unsigned int UnitDiagBit = UnitDiag;
+const unsigned int SelfAdjointBit = SelfAdjoint;
+const unsigned int UpperTriangularBit = Upper;
+const unsigned int LowerTriangularBit = Lower;
+
+const unsigned int UpperTriangular = Upper;
+const unsigned int LowerTriangular = Lower;
+const unsigned int UnitUpperTriangular = UnitUpper;
+const unsigned int UnitLowerTriangular = UnitLower;
+
+template<typename ExpressionType, unsigned int Added, unsigned int Removed>
+template<typename OtherDerived>
+typename ExpressionType::PlainObject
+Flagged<ExpressionType,Added,Removed>::solveTriangular(const MatrixBase<OtherDerived>& other) const
+{
+  return m_matrix.template triangularView<Added>().solve(other.derived());
+}
+
+template<typename ExpressionType, unsigned int Added, unsigned int Removed>
+template<typename OtherDerived>
+void Flagged<ExpressionType,Added,Removed>::solveTriangularInPlace(const MatrixBase<OtherDerived>& other) const
+{
+  m_matrix.template triangularView<Added>().solveInPlace(other.derived());
+}
+
+} // end namespace Eigen
+    
+#endif // EIGEN_TRIANGULAR_SOLVER2_H