AngleInterval.h

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/*
 * LSST Data Management System
 * Copyright 2014-2015 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
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 *
 * 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.
 *
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 * see <https://www.lsstcorp.org/LegalNotices/>.
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#ifndef LSST_SPHGEOM_ANGLEINTERVAL_H_
#define LSST_SPHGEOM_ANGLEINTERVAL_H_
 
 
#include <iosfwd>
#include <limits>
 
#include "Angle.h"
#include "Interval.h"
 
 
namespace lsst {
namespace sphgeom {
 
class AngleInterval : public Interval<AngleInterval, Angle> {
    typedef Interval<AngleInterval, Angle> Base;
public:
    // Factory functions
    static AngleInterval fromDegrees(double x, double y) {
        return AngleInterval(Angle::fromDegrees(x),
                             Angle::fromDegrees(y));
    }
 
    static AngleInterval fromRadians(double x, double y) {
        return AngleInterval(Angle::fromRadians(x),
                             Angle::fromRadians(y));
    }
 
    static AngleInterval empty() {
        return AngleInterval();
    }
 
    static AngleInterval full() {
        return AngleInterval(Angle(-std::numeric_limits<double>::infinity()),
                             Angle(std::numeric_limits<double>::infinity()));
    }
 
    // Delegation to base class constructors
    AngleInterval() : Base() {}
 
    explicit AngleInterval(Angle x) : Base(x) {}
 
    AngleInterval(Angle x, Angle y) : Base(x, y) {}
 
    AngleInterval(Base const & base) : Base(base) {}
};
 
std::ostream & operator<<(std::ostream &, AngleInterval const &);
 
}} // namespace lsst::sphgeom
 
#endif // LSST_SPHGEOM_ANGLEINTERVAL_H_