move Core/ to a src/ subdir, in preparation for following changes

2026-04-10 11:34:33 +08:00 · 2007-12-28 16:00:55 +00:00
parent e7bdbe2e6a
commit dfdad129a3
35 changed files with 0 additions and 0 deletions
--- a/Eigen/src/Core/MatrixStorage.h
+++ b/Eigen/src/Core/MatrixStorage.h
@@ -0,0 +1,183 @@
+// 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_MATRIXSTORAGE_H
+#define EIGEN_MATRIXSTORAGE_H
+
+template<typename Scalar,
+         int      RowsAtCompileTime,
+         int      ColsAtCompileTime>
+class MatrixStorage
+{
+  protected:
+    Scalar m_data[RowsAtCompileTime * ColsAtCompileTime];
+  
+    void resize(int rows, int cols)
+    {
+      EIGEN_ONLY_USED_FOR_DEBUG(rows);
+      EIGEN_ONLY_USED_FOR_DEBUG(cols);
+      assert(rows == RowsAtCompileTime && cols == ColsAtCompileTime);
+    }
+    
+    int _rows() const
+    { return RowsAtCompileTime; }
+    
+    int _cols() const
+    { return ColsAtCompileTime; }
+
+  public:
+    MatrixStorage() {}
+    MatrixStorage(int) {}
+    MatrixStorage(int, int) {}
+    ~MatrixStorage() {};
+};
+
+template<typename Scalar, int ColsAtCompileTime>
+class MatrixStorage<Scalar, Dynamic, ColsAtCompileTime>
+{
+  protected:
+    int m_rows;
+    Scalar* m_data;
+    
+    void resize(int rows, int cols)
+    {
+      EIGEN_ONLY_USED_FOR_DEBUG(cols);
+      assert(rows > 0 && cols == ColsAtCompileTime);
+      if(rows > m_rows)
+      {
+        delete[] m_data;
+        m_data  = new Scalar[rows * ColsAtCompileTime];
+      }
+      m_rows = rows;
+    }
+    
+    int _rows() const
+    { return m_rows; }
+    
+    int _cols() const
+    { return ColsAtCompileTime; }
+    
+  public:
+    MatrixStorage(int dim) : m_rows(dim)
+    {
+      m_data = new Scalar[m_rows * ColsAtCompileTime];
+    }
+  
+    MatrixStorage(int rows, int) : m_rows(rows)
+    {
+      m_data = new Scalar[m_rows * ColsAtCompileTime];
+    }
+    
+    ~MatrixStorage()
+    { delete[] m_data; }
+    
+  private:
+    MatrixStorage();
+};
+
+template<typename Scalar, int RowsAtCompileTime>
+class MatrixStorage<Scalar, RowsAtCompileTime, Dynamic>
+{
+  protected:
+    int m_cols;
+    Scalar* m_data;
+    
+    void resize(int rows, int cols)
+    {
+      EIGEN_ONLY_USED_FOR_DEBUG(rows);
+      assert(rows == RowsAtCompileTime && cols > 0);
+      if(cols > m_cols)
+      {
+        delete[] m_data;
+        m_data  = new Scalar[cols * RowsAtCompileTime];
+      }
+      m_cols = cols;
+    }
+    
+    int _rows() const
+    { return RowsAtCompileTime; }
+    
+    int _cols() const
+    { return m_cols; }
+    
+  public:
+    MatrixStorage(int dim) : m_cols(dim)
+    {
+      m_data = new Scalar[m_cols * RowsAtCompileTime];
+    }
+    
+    MatrixStorage(int, int cols) : m_cols(cols)
+    {
+      m_data = new Scalar[m_cols * RowsAtCompileTime];
+    }
+    
+    ~MatrixStorage()
+    { delete[] m_data; }
+    
+  private:
+    MatrixStorage();
+};
+
+template<typename Scalar>
+class MatrixStorage<Scalar, Dynamic, Dynamic>
+{
+  protected:
+    int m_rows, m_cols;
+    Scalar* m_data;
+    
+    void resize(int rows, int cols)
+    {
+      assert(rows > 0 && cols > 0);
+      if(rows * cols > m_rows * m_cols)
+      {
+        delete[] m_data;
+        m_data  = new Scalar[rows * cols];
+      }
+      m_rows = rows;
+      m_cols = cols;
+    }
+    
+    int _rows() const
+    { return m_rows; }
+    
+    int _cols() const
+    { return m_cols; }
+    
+  public:
+    
+    MatrixStorage(int rows, int cols) : m_rows(rows), m_cols(cols)
+    {
+      m_data = new Scalar[m_rows * m_cols];
+    }
+    
+    ~MatrixStorage()
+    { delete[] m_data; }
+    
+  private:
+    MatrixStorage();
+    MatrixStorage(int dim);
+};
+
+#endif // EIGEN_MATRIXSTORAGE_H