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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
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