box.hh

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// SPDX-FileCopyrightText: Copyright © DUNE-FUFEM Project contributors, see file AUTHORS.md
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
 
#ifndef BOX_HH
#define BOX_HH
 
template<typename CoordType, int dim>
class Box
{
public:
 
    ~Box()
    {}
 
    Box(const CoordType& lower, const CoordType& upper) : lower_(lower), upper_(upper)
    {
        for (int i = 0; i < dim; ++i)
            center_[i] = 0.5*(upper_[i]+lower_[i]);
    }
 
    Box(const Box& b) : lower_(b.lower_), upper_(b.upper_)
    {
        for (int i = 0; i < dim; ++i)
            center_[i] = 0.5*(upper_[i]+lower_[i]);
    }
 
    bool contains(const CoordType& c) const
    {
        for (int i = 0; i < dim; ++i)
            if (c[i] < this->lower_[i] || c[i] >= this->upper_[i])
                return false;
        return true;
    }
 
    bool intersects(const Box& b)
    {
        for (int i = 0; i < dim; ++i)
            if (this->lower_[i] >= b.upper_[i] || b.lower_[i] >= this->upper_[i])
                return false;
        return true;
    }
 
    const CoordType& center() const
    {
        return this->center_;
    }
 
 
    double size(int i)
    {
        return upper_[i]-lower_[i];
    }
 
    const CoordType& lower() const
    {
        return lower_;
    }
 
    const CoordType& upper() const
    {
        return upper_;
    }
 
protected:
    CoordType  lower_;
    CoordType  upper_;
    CoordType  center_;
};
 
 
#endif