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-rw-r--r--graphics/epix/data_mask.cc76
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diff --git a/graphics/epix/data_mask.cc b/graphics/epix/data_mask.cc
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--- a/graphics/epix/data_mask.cc
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-/*
- * data_mask.cc -- ePiX::data_mask class
- *
- * This file is part of ePiX, a C++ library for creating high-quality
- * figures in LaTeX
- *
- * Version 1.1.8
- * Last Change: July 22, 2007
- */
-
-/*
- * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
- * Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
- * Department of Mathematics and Computer Science
- * College of the Holy Cross
- * Worcester, MA, 01610-2395, USA
- */
-
-/*
- * ePiX 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 of the License, or
- * (at your option) any later version.
- *
- * ePiX 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 ePiX; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include "functions.h"
-#include "interval.h"
-#include "data_mask.h"
-
-namespace ePiX {
-
- double identity(double x) { return x; }
-
- data_mask::data_mask(std::string arg)
- : m_range(arg), m_filter(identity), m_reverse(false) { }
-
- data_mask::data_mask(std::string arg, double f(double))
- : m_range(arg), m_filter(f), m_reverse(false) { }
-
-
- data_mask::data_mask(const interval& range)
- : m_range(range), m_filter(identity), m_reverse(false) { }
-
- data_mask::data_mask(const interval& range, double f(double))
- : m_range(range), m_filter(f), m_reverse(false) { }
-
- data_mask::data_mask(double arg1, double arg2)
- : m_range(arg1, arg2), m_filter(identity), m_reverse(false) { }
-
- data_mask::data_mask(double arg1, double arg2, double f(double))
- : m_range(arg1, arg2), m_filter(f), m_reverse(false) { }
-
- data_mask& data_mask::reverse()
- {
- m_reverse = !m_reverse;
- return *this;
- }
-
- bool data_mask::masks(double x) const
- {
- bool masked(!m_range.contains(m_filter(x)));
-
- if (m_reverse)
- masked = !masked;
-
- return masked;
- }
-} // end of namespace