Interval1d.h

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/*
 * LSST Data Management System
 * Copyright 2016 AURA/LSST.
 *
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * 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 LSST License Statement and
 * the GNU General Public License along with this program.  If not,
 * see <https://www.lsstcorp.org/LegalNotices/>.
 */
 
#ifndef LSST_SPHGEOM_INTERVAL1D_H_
#define LSST_SPHGEOM_INTERVAL1D_H_
 
 
#include <iosfwd>
 
#include "Interval.h"
 
 
namespace lsst {
namespace sphgeom {
 
class Interval1d : public Interval<Interval1d, double> {
    typedef Interval<Interval1d, double> Base;
public:
 
    static Interval1d empty() {
        return Interval1d();
    }
 
    static Interval1d full() {
        return Interval1d(-std::numeric_limits<double>::infinity(),
                          std::numeric_limits<double>::infinity());
    }
 
    // Delegation to base class constructors
    Interval1d() : Base() {}
 
    explicit Interval1d(double x) : Base(x) {}
 
    Interval1d(double x, double y) : Base(x, y) {}
 
    Interval1d(Base const & base) : Base(base) {}
 
    bool isFull() const {
        return getA() == -std::numeric_limits<double>::infinity() &&
               getB() == std::numeric_limits<double>::infinity();
    }
};
 
std::ostream & operator<<(std::ostream &, Interval1d const &);
 
}} // namespace lsst::sphgeom
 
#endif // LSST_SPHGEOM_INTERVAL1D_H_