ranged_num.h

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/*
 * KiRouter - a push-and-(sometimes-)shove PCB router
 *
 * Copyright (C) 2013-2015 CERN
 * Author: Tomasz Wlostowski <[email protected]>
 *
 * This program 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 program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __RANGED_NUM_H
#define __RANGED_NUM_H
 
template <class T> class RANGED_NUM {
 public:
 RANGED_NUM( T aValue = 0, T aTolerancePlus = 0, T aToleranceMinus = 0 ) :
 m_value( aValue ),
 m_tolerancePlus( aTolerancePlus ),
 m_toleranceMinus( aToleranceMinus )
 {}
 
 operator T()
 {
 return m_value;
 }
 
 RANGED_NUM& operator=( const T aValue )
 {
 m_value = aValue;
 return *this;
 }
 
 bool Matches( const T& aOther ) const
 {
 return ( aOther >= m_value - m_toleranceMinus && aOther <= m_value + m_tolerancePlus );
 }
 
 private:
 T m_value, m_tolerancePlus, m_toleranceMinus;
};
 
#endif