Finish prefixing everything with "Ei"

src/internal/Object.h

@@ -0,0 +1,130 @@
+// 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 EI_EIGENBASE_H
+#define EI_EIGENBASE_H
+
+#include "Util.h"
+
+template<typename _Scalar, typename Derived> class EiObject
+{
+    static const int RowsAtCompileTime = Derived::RowsAtCompileTime,
+                     ColsAtCompileTime = Derived::ColsAtCompileTime;
+  public:
+    typedef typename EiForwardDecl<Derived>::Ref Ref;
+    typedef _Scalar Scalar;
+  
+    int rows() const { return static_cast<const Derived *>(this)->_rows(); }
+    int cols() const { return static_cast<const Derived *>(this)->_cols(); }
+    int size() const { return rows() * cols(); }
+    
+    Ref ref()
+    { return static_cast<Derived *>(this)->_ref(); }
+    
+    Ref ref() const
+    { return static_cast<const Derived *>(this)->_ref(); }
+    
+    Scalar& write(int row, int col)
+    {
+      return static_cast<Derived *>(this)->_write(row, col);
+    }
+    
+    Scalar read(int row, int col) const
+    {
+      return static_cast<const Derived *>(this)->_read(row, col);
+    }
+    
+    template<typename OtherDerived>
+    Derived& operator=(const EiObject<Scalar, OtherDerived>& other)
+    {
+      assert(rows() == other.rows() && cols() == other.cols());
+      for(int i = 0; i < rows(); i++)
+        for(int j = 0; j < cols(); j++)
+          write(i, j) = other.read(i, j);
+      return *static_cast<Derived*>(this);
+    }
+    
+    //special case of the above template operator=. Strangely, g++ 4.1 failed to use
+    //that template when OtherDerived == Derived
+    Derived& operator=(const EiObject& other)
+    {
+      assert(rows() == other.rows() && cols() == other.cols());
+      for(int i = 0; i < rows(); i++)
+        for(int j = 0; j < cols(); j++)
+          write(i, j) = other.read(i, j);
+      return *static_cast<Derived*>(this);
+    }
+    
+    EiRow<EiObject> row(int i);
+    EiColumn<EiObject> col(int i);
+    EiMinor<EiObject> minor(int row, int col);
+    EiBlock<EiObject>
+      block(int startRow, int endRow, int startCol= 0, int endCol = 0);
+    
+    template<typename OtherDerived>
+    Derived& operator+=(const EiObject<Scalar, OtherDerived>& other);
+    template<typename OtherDerived>
+    Derived& operator-=(const EiObject<Scalar, OtherDerived>& other);
+    template<typename OtherDerived>
+    Derived& operator*=(const EiObject<Scalar, OtherDerived>& other);
+   
+    Derived& operator*=(const int& other);
+    Derived& operator*=(const float& other);
+    Derived& operator*=(const double& other);
+    Derived& operator*=(const std::complex<int>& other);
+    Derived& operator*=(const std::complex<float>& other);
+    Derived& operator*=(const std::complex<double>& other);
+    
+    Derived& operator/=(const int& other);
+    Derived& operator/=(const float& other);
+    Derived& operator/=(const double& other);
+    Derived& operator/=(const std::complex<int>& other);
+    Derived& operator/=(const std::complex<float>& other);
+    Derived& operator/=(const std::complex<double>& other);
+
+    Scalar operator()(int row, int col = 0) const
+    { return read(row, col); }
+    
+    Scalar& operator()(int row, int col = 0)
+    { return write(row, col); }
+};
+
+template<typename Scalar, typename Derived>
+std::ostream & operator <<
+( std::ostream & s,
+  const EiObject<Scalar, Derived> & m )
+{
+  for( int i = 0; i < m.rows(); i++ )
+  {
+    s << m( i, 0 );
+    for (int j = 1; j < m.cols(); j++ )
+      s << " " << m( i, j );
+    if( i < m.rows() - 1)
+      s << std::endl;
+  }
+  return s;
+}
+
+#endif // EI_EIGENBASE_H