reorganize header files, split MatrixBase into smaller files.

expose only a few meta-headers to the user, the rest moves to a internal/ subdirectory
2026-04-10 11:34:33 +08:00 · 2007-09-09 09:41:15 +00:00
parent 3b727ef939
commit 1af61c6ff0
22 changed files with 294 additions and 153 deletions
--- a/src/internal/MatrixRef.h
+++ b/src/internal/MatrixRef.h
@@ -0,0 +1,76 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra. Eigen itself is part of the KDE project.
+//
+// Copyright (C) 2006-2007 Benoit Jacob <jacob@math.jussieu.fr>
+//
+// Eigen is free software; 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 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 General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along
+// with Eigen; if not, write to the Free Software Foundation, Inc., 51
+// Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. This exception does not invalidate any other reasons why a work
+// based on this file might be covered by the GNU General Public License.
+
+#ifndef EIGEN_MATRIXREF_H
+#define EIGEN_MATRIXREF_H
+
+namespace Eigen
+{
+
+template<typename MatrixType> class MatrixRef
+{
+  public:
+    typedef typename ForwardDecl<MatrixType>::Scalar Scalar;
+    typedef MatrixXpr<MatrixRef<MatrixType> > Xpr;
+    
+    MatrixRef(MatrixType& matrix) : m_matrix(matrix) {}
+    MatrixRef(const MatrixRef& other) : m_matrix(other.m_matrix) {}
+    ~MatrixRef() {}
+
+    static bool hasDynamicNumRows()
+    {
+      return MatrixType::hasDynamicNumRows();
+    }
+
+    static bool hasDynamicNumCols()
+    {
+      return MatrixType::hasDynamicNumCols();
+    }
+    
+    int rows() const { return m_matrix.rows(); }
+    int cols() const { return m_matrix.cols(); }
+
+    const Scalar& read(int row, int col) const
+    {
+      return m_matrix.read(row, col);
+    }
+    
+    Scalar& write(int row, int col)
+    {
+      return m_matrix.write(row, col);
+    }
+
+    Xpr xpr()
+    {
+      return Xpr(*this);
+    }
+
+  protected:
+    MatrixType& m_matrix;
+};
+
+} // namespace Eigen
+
+#endif // EIGEN_MATRIXREF_H