/usr/include/unitizeddouble.h is in libdewalls-dev 1.0.0+ds1-4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define DEWALLS_UNITIZEDDOUBLE_H
#include <iostream>
#include <cmath>
#include <QString>
#include "dewallsexport.h"
#include "length.h"
#include "angle.h"
namespace dewalls {
template<class T>
class UnitizedDouble
{
public:
typedef typename T::Unit Unit;
UnitizedDouble();
UnitizedDouble(double quantity, Unit unit);
UnitizedDouble(UnitizedDouble&& other);
UnitizedDouble(const UnitizedDouble& other) = default;
Unit unit() const;
double get(Unit toUnit) const;
UnitizedDouble<T> in(Unit unit) const;
inline bool isValid() const { return _unit != T::Invalid; }
inline void clear() { _unit = T::Invalid; }
inline bool isZero() const { return _unit && _quantity == 0.0; }
inline bool isNonzero() const { return _unit && _quantity != 0.0; }
inline bool isNegative() const { return _unit && _quantity < 0.0; }
inline bool isPositive() const { return _unit && _quantity > 0.0; }
double signum() const;
friend void swap(UnitizedDouble<T>& first, UnitizedDouble<T>& second)
{
using std::swap;
swap(first._quantity, second._quantity);
swap(first._unit, second._unit);
}
UnitizedDouble<T>& operator =(UnitizedDouble<T> other);
UnitizedDouble<T>& operator +=(const UnitizedDouble<T>& rhs);
UnitizedDouble<T> operator -();
UnitizedDouble<T>& operator -=(const UnitizedDouble<T>& rhs);
UnitizedDouble<T>& operator *=(const double& rhs);
UnitizedDouble<T>& operator /=(const double& rhs);
UnitizedDouble<T>& operator %=(const UnitizedDouble<T>& rhs);
QString toString() const;
friend std::ostream& operator<<(std::ostream& os, const UnitizedDouble<T>& obj)
{
return os << obj.toString().toStdString();
}
private:
Unit _unit;
double _quantity;
};
template class DEWALLS_LIB_EXPORT UnitizedDouble<Length>;
template class DEWALLS_LIB_EXPORT UnitizedDouble<Angle>;
template<class T>
inline UnitizedDouble<T>::UnitizedDouble()
: _unit(T::Invalid)
{
}
template<class T>
inline UnitizedDouble<T>::UnitizedDouble(UnitizedDouble&& other)
: UnitizedDouble()
{
swap(*this, other);
}
template<class T>
inline double UnitizedDouble<T>::signum() const
{
if (_unit) {
return _quantity > 0.0 ? 1.0 : _quantity == 0.0 ? 0.0 : -1.0;
}
return NAN;
}
template<class T>
inline UnitizedDouble<T>& UnitizedDouble<T>::operator =(UnitizedDouble<T> other)
{
swap(*this, other);
return *this;
}
template<class T>
inline UnitizedDouble<T>& UnitizedDouble<T>::operator +=(const UnitizedDouble<T>& rhs)
{
if (!rhs._unit) _unit = T::Invalid;
else if (_unit) _quantity += rhs.get(_unit);
return *this;
}
template<class T>
inline UnitizedDouble<T> UnitizedDouble<T>::operator -()
{
return UnitizedDouble<T>(-_quantity, _unit);
}
template<class T>
inline UnitizedDouble<T>& UnitizedDouble<T>::operator -=(const UnitizedDouble<T>& rhs)
{
if (!rhs._unit) _unit = T::Invalid;
else if (_unit) _quantity -= rhs.get(_unit);
return *this;
}
template<class T>
inline UnitizedDouble<T>& UnitizedDouble<T>::operator *=(const double& rhs)
{
_quantity *= rhs;
return *this;
}
template<class T>
inline UnitizedDouble<T>& UnitizedDouble<T>::operator /=(const double& rhs)
{
_quantity /= rhs;
return *this;
}
template<class T>
inline UnitizedDouble<T>& UnitizedDouble<T>::operator %=(const UnitizedDouble<T>& rhs)
{
if (!rhs._unit) _unit = T::Invalid;
else if (_unit) _quantity = fmod(_quantity, rhs.get(_unit));
return *this;
}
template<class T>
inline bool operator ==(const UnitizedDouble<T>& lhs, const UnitizedDouble<T>& rhs)
{
return lhs.unit() ? rhs.unit() && lhs.get(lhs.unit()) == rhs.get(lhs.unit())
: !rhs.unit();
}
template<class T>
inline bool operator !=(const UnitizedDouble<T>& lhs, const UnitizedDouble<T>& rhs)
{
return !operator ==(lhs, rhs);
}
template<class T>
inline bool operator < (const UnitizedDouble<T>& lhs, const UnitizedDouble<T>& rhs)
{
return lhs.unit() && lhs.get(lhs.unit()) < rhs.get(lhs.unit());
}
template<class T>
inline bool operator > (const UnitizedDouble<T>& lhs, const UnitizedDouble<T>& rhs)
{
return operator < (rhs, lhs);
}
template<class T>
inline bool operator <=(const UnitizedDouble<T>& lhs, const UnitizedDouble<T>& rhs)
{
return !operator > (rhs, lhs);
}
template<class T>
inline bool operator >=(const UnitizedDouble<T>& lhs, const UnitizedDouble<T>& rhs)
{
return !operator < (rhs, lhs);
}
template<class T>
inline UnitizedDouble<T> operator +(UnitizedDouble<T> lhs, const UnitizedDouble<T>& rhs)
{
lhs += rhs;
return lhs;
}
template<class T>
inline UnitizedDouble<T> operator -(UnitizedDouble<T> lhs, const UnitizedDouble<T>& rhs)
{
lhs -= rhs;
return lhs;
}
template<class T>
inline UnitizedDouble<T> operator *(UnitizedDouble<T> lhs, const double& rhs)
{
lhs *= rhs;
return lhs;
}
template<class T>
inline UnitizedDouble<T> operator *(double lhs, const UnitizedDouble<T>& rhs)
{
return rhs * lhs;
}
template<class T>
inline UnitizedDouble<T> operator /(UnitizedDouble<T> lhs, const double& rhs)
{
lhs /= rhs;
return lhs;
}
template<class T>
inline UnitizedDouble<T> operator /(double lhs, const UnitizedDouble<T>& rhs)
{
return rhs.unit() ? UnitizedDouble<T>(lhs / rhs.get(rhs.unit()), rhs.unit())
: UnitizedDouble<T>();
}
template<class T>
inline double operator / (const UnitizedDouble<T>& lhs, const UnitizedDouble<T>& rhs)
{
return lhs.unit() && rhs.unit() ? lhs.get(lhs.unit()) / rhs.get(lhs.unit())
: NAN;
}
template<class T>
inline UnitizedDouble<T> operator %(UnitizedDouble<T> lhs, const UnitizedDouble<T>& rhs)
{
lhs %= rhs;
return lhs;
}
template<class T>
inline UnitizedDouble<T>::UnitizedDouble(double quantity, Unit unit):
_unit(unit),
_quantity(quantity)
{
}
template<class T>
inline typename T::Unit UnitizedDouble<T>::unit() const
{
return _unit;
}
template<class T>
inline double UnitizedDouble<T>::get(Unit toUnit) const
{
return T::convert(_quantity, _unit, toUnit);
}
template<class T>
inline UnitizedDouble<T> UnitizedDouble<T>::in(typename T::Unit unit) const
{
return UnitizedDouble<T>(get(unit), unit);
}
template<class T>
inline QString UnitizedDouble<T>::toString() const
{
if (!_unit) return "";
return QString("%1 %2").arg(_quantity).arg(T::symbolFor(_unit));
}
} // namespace dewalls
#endif // DEWALLS_UNITIZEDDOUBLE_H
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