Initial commit of ResInsight version 0.4.8

VisualizationModules/LibGeometry/cvfEdgeKey.cpp

@@ -0,0 +1,112 @@
+//##################################################################################################
+//
+//   Custom Visualization Core library
+//   Copyright (C) 2011-2012 Ceetron AS
+//    
+//   This library 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 3 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 General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
+//   for more details. 
+//
+//##################################################################################################
+
+#include "cvfBase.h"
+#include "cvfEdgeKey.h"
+
+namespace cvf {
+
+
+
+//==================================================================================================
+///
+/// \class cvf::EdgeKey
+/// \ingroup Geometry
+///
+/// 
+///
+//==================================================================================================
+EdgeKey::EdgeKey(uint vertexIdx1, uint vertexIdx2)
+{
+    if (vertexIdx1 <= vertexIdx2)
+    {
+        m_vertexIdx1 = vertexIdx1;
+        m_vertexIdx2 = vertexIdx2;
+    }
+    else
+    {
+        m_vertexIdx1 = vertexIdx2;
+        m_vertexIdx2 = vertexIdx1;
+    }
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool EdgeKey::operator==(const EdgeKey& rhs) const
+{
+    if (m_vertexIdx1 == rhs.m_vertexIdx1 && m_vertexIdx2 == rhs.m_vertexIdx2)
+    {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool EdgeKey::operator<(const EdgeKey& rhs) const
+{
+    if (m_vertexIdx1 == rhs.m_vertexIdx1)
+    {
+        return (m_vertexIdx2 < rhs.m_vertexIdx2);
+    }
+    else
+    {
+        return (m_vertexIdx1 < rhs.m_vertexIdx1);
+    }
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+int64 EdgeKey::toKeyVal() const
+{
+    int64 edgeKey = m_vertexIdx1;
+    edgeKey <<= 32;
+    edgeKey += m_vertexIdx2;
+
+    return edgeKey;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+EdgeKey EdgeKey::fromkeyVal(int64 edgeKeyVal)
+{
+    uint vertexIdx2 = static_cast<uint>(edgeKeyVal);
+
+    edgeKeyVal >>= 32;
+    uint vertexIdx1 = static_cast<uint>(edgeKeyVal);
+
+    return EdgeKey(vertexIdx1, vertexIdx2);
+}
+
+
+
+
+} // namespace cvf
+