rounding.hh File Reference

#include <cmath>

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Functions
double	rounded_divide_by (double value, double factor)
double	ceiled_divide_by (double value, double factor)
double	floored_divide_by (double value, double factor)
int	rounded_divide_by (int value, int factor)
int	ceiled_divide_by (int value, int factor)
int	floored_divide_by (int value, int factor)
template<typename T >
T	round_to_multiple_of (T value, T factor)
template<typename T >
T	round_up_to_multiple_of (T value, T factor)
template<typename T >
T	round_down_to_multiple_of (T value, T factor)

Function Documentation

ceiled_divide_by() [1/2]

double ceiled_divide_by ( double  value, double  factor  )

inline

{ return std::ceil(value / factor); }

Referenced by ceiled_divide_by(), and round_up_to_multiple_of().

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ceiled_divide_by() [2/2]

int ceiled_divide_by ( int  value, int  factor  )

inline

{
  return static_cast<int>(ceiled_divide_by(static_cast<double>(value), static_cast<double>(factor)));
}

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floored_divide_by() [1/2]

double floored_divide_by ( double  value, double  factor  )

inline

{ return std::floor(value / factor); }

Referenced by floored_divide_by(), and round_down_to_multiple_of().

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floored_divide_by() [2/2]

int floored_divide_by ( int  value, int  factor  )

inline

{
  return static_cast<int>(floored_divide_by(static_cast<double>(value), static_cast<double>(factor)));
}

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round_down_to_multiple_of()

template<typename T >

T round_down_to_multiple_of	(	T	value,
		T	factor
	)

{
  return factor * floored_divide_by(value, factor);
}

Referenced by Scroom::Utils::roundOutward().

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round_to_multiple_of()

template<typename T >

T round_to_multiple_of	(	T	value,
		T	factor
	)

{
  return factor * rounded_divide_by(value, factor);
}

Referenced by Scroom::Utils::roundCorners(), and Scroom::Utils::TweakGridSelection::tweakSelection().

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round_up_to_multiple_of()

template<typename T >

T round_up_to_multiple_of	(	T	value,
		T	factor
	)

{
  return factor * ceiled_divide_by(value, factor);
}

Referenced by Scroom::Utils::roundOutward().

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rounded_divide_by() [1/2]

double rounded_divide_by ( double  value, double  factor  )

inline

{ return std::round(value / factor); }

Referenced by round_to_multiple_of(), and rounded_divide_by().

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rounded_divide_by() [2/2]

int rounded_divide_by ( int  value, int  factor  )

inline

{
  return static_cast<int>(rounded_divide_by(static_cast<double>(value), static_cast<double>(factor)));
}

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