The GtkRadiant sources as originally released under the GPL license.

contrib/bobtoolz/DPoint.cpp

@@ -0,0 +1,52 @@
+/*
+BobToolz plugin for GtkRadiant
+Copyright (C) 2001 Gordon Biggans
+
+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
+*/
+
+// DPoint.cpp: implementation of the DPoint class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "StdAfx.h"
+#include "DPoint.h"
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+DPoint::DPoint()
+{
+
+}
+
+DPoint::~DPoint()
+{
+
+}
+
+//////////////////////////////////////////////////////////////////////
+// Implementation
+//////////////////////////////////////////////////////////////////////
+
+bool DPoint::operator ==(vec3_t other)
+{
+	vec3_t test;
+	VectorSubtract(other, _pnt, test);
+	if(fabs(VectorLength(test)) > MAX_ROUND_ERROR)
+		return FALSE;
+	return TRUE;
+}