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32 lines
725 B
C
32 lines
725 B
C
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#ifndef ANGULARUNITS_H
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#define ANGULARUNITS_H
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#include <cmath>
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#include <QDebug>
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class AngularUnits
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{
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public:
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AngularUnits() : _f(NAN) {}
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AngularUnits(int code);
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bool isNull() const {return std::isnan(_f);}
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bool isValid() const {return !std::isnan(_f);}
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double toDegrees(double val) const {return val * _f;}
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double fromDegrees(double val) const {return val / _f;}
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friend bool operator==(const AngularUnits &au1, const AngularUnits &au2);
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friend QDebug operator<<(QDebug dbg, const AngularUnits &au);
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private:
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double _f;
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};
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inline bool operator==(const AngularUnits &au1, const AngularUnits &au2)
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{return (au1._f == au2._f);}
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QDebug operator<<(QDebug dbg, const AngularUnits &au);
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#endif // ANGULARUNITS_H
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