From 4a04f7206914a49f5f95adc5eb786237f1a9f547 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Sun, 23 Oct 2011 17:52:20 +0000
Subject: remove $Id: tags after discussion on the mailign list:
 http://markmail.org/message/fp7ozcywxum3ar7n

---
 extern/Eigen3/Eigen/src/Sparse/SparseRedux.h | 56 ++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 extern/Eigen3/Eigen/src/Sparse/SparseRedux.h

(limited to 'extern/Eigen3/Eigen/src/Sparse/SparseRedux.h')

diff --git a/extern/Eigen3/Eigen/src/Sparse/SparseRedux.h b/extern/Eigen3/Eigen/src/Sparse/SparseRedux.h
new file mode 100644
index 00000000000..afc49de7aad
--- /dev/null
+++ b/extern/Eigen3/Eigen/src/Sparse/SparseRedux.h
@@ -0,0 +1,56 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
+//
+// Eigen is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 3 of the License, or (at your option) any later version.
+//
+// Alternatively, you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of
+// the License, or (at your option) any later version.
+//
+// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License and a copy of the GNU General Public License along with
+// Eigen. If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef EIGEN_SPARSEREDUX_H
+#define EIGEN_SPARSEREDUX_H
+
+template<typename Derived>
+typename internal::traits<Derived>::Scalar
+SparseMatrixBase<Derived>::sum() const
+{
+  eigen_assert(rows()>0 && cols()>0 && "you are using a non initialized matrix");
+  Scalar res = 0;
+  for (Index j=0; j<outerSize(); ++j)
+    for (typename Derived::InnerIterator iter(derived(),j); iter; ++iter)
+      res += iter.value();
+  return res;
+}
+
+template<typename _Scalar, int _Options, typename _Index>
+typename internal::traits<SparseMatrix<_Scalar,_Options,_Index> >::Scalar
+SparseMatrix<_Scalar,_Options,_Index>::sum() const
+{
+  eigen_assert(rows()>0 && cols()>0 && "you are using a non initialized matrix");
+  return Matrix<Scalar,1,Dynamic>::Map(&m_data.value(0), m_data.size()).sum();
+}
+
+template<typename _Scalar, int _Options, typename _Index>
+typename internal::traits<SparseVector<_Scalar,_Options, _Index> >::Scalar
+SparseVector<_Scalar,_Options,_Index>::sum() const
+{
+  eigen_assert(rows()>0 && cols()>0 && "you are using a non initialized matrix");
+  return Matrix<Scalar,1,Dynamic>::Map(&m_data.value(0), m_data.size()).sum();
+}
+
+#endif // EIGEN_SPARSEREDUX_H
-- 
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