Diff: tvmet/Extremum.h

Revision:

15:9c5aaeda36dc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tvmet/Extremum.h	Sat Apr 06 20:57:54 2013 +0000
@@ -0,0 +1,108 @@
+/*
+ * Tiny Vector Matrix Library
+ * Dense Vector Matrix Libary of Tiny size using Expression Templates
+ *
+ * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * $Id: Extremum.h,v 1.10 2007-06-23 15:58:58 opetzold Exp $
+ */
+
+#ifndef TVMET_EXTREMUM_H
+#define TVMET_EXTREMUM_H
+
+namespace tvmet {
+
+
+/**
+ * \class matrix_tag Extremum.h "tvmet/Extremum.h"
+ * \brief For use with Extremum to simplify max handling.
+ * This allows the min/max functions to return an Extremum object.
+ */
+struct matrix_tag { };
+
+
+/**
+ * \class vector_tag Extremum.h "tvmet/Extremum.h"
+ * \brief For use with Extremum to simplify max handling.
+ * This allows the min/max functions to return an Extremum object.
+ */
+struct vector_tag { };
+
+
+/**
+ * \class Extremum Extremum.h "tvmet/Extremum.h"
+ * \brief Generell class for storing extremums determined by min/max.
+ */
+template<class T1, class T2, class Tag>
+class Extremum { };
+
+
+/**
+ * \class Extremum<T1, T2, vector_tag> Extremum.h "tvmet/Extremum.h"
+ * \brief Partial specialzed for vectors to store extremums by value and index.
+ */
+template<class T1, class T2>
+class Extremum<T1, T2, vector_tag>
+{
+public:
+  typedef T1                    value_type;
+  typedef T2                    index_type;
+
+public:
+  Extremum(value_type value, index_type index)
+    : m_value(value), m_index(index) { }
+  value_type value() const { return m_value; }
+  index_type index() const { return m_index; }
+
+private:
+  value_type                     m_value;
+  index_type                     m_index;
+};
+
+
+/**
+ * \class Extremum<T1, T2, matrix_tag> Extremum.h "tvmet/Extremum.h"
+ * \brief Partial specialzed for matrix to store extremums by value, row and column.
+ */
+template<class T1, class T2>
+class Extremum<T1, T2, matrix_tag>
+{
+public:
+  typedef T1                    value_type;
+  typedef T2                    index_type;
+
+public:
+  Extremum(value_type value, index_type row, index_type col)
+    : m_value(value), m_row(row), m_col(col) { }
+  value_type value() const { return m_value; }
+  index_type row() const { return m_row; }
+  index_type col() const { return m_col; }
+
+private:
+  value_type                     m_value;
+  index_type                     m_row, m_col;
+};
+
+
+} // namespace tvmet
+
+#endif // TVMET_EXTREMUM_H
+
+// Local Variables:
+// mode:C++
+// tab-width:8
+// End: