Intervals< T, U > Class Template Reference

#include <Intervals.h>

Classes
class	Iterator

Public Member Functions
bool	empty () const
Iterator	begin () const
Iterator	end () const

Private Member Functions
	Intervals (T begin, T end, U n_workers)

Private Attributes
T const	begin_
U const	total_size_
U const	quot_
U const	rem_

Friends
template<typename T1 , typename U1 >
Intervals< T1 >	makeIntervals (T1 begin, T1 end, std::size_t n_workers)

Detailed Description

template<typename T, typename U = typename std::make_unsigned<T>::type>
class Intervals< T, U >

Definition at line 74 of file Intervals.h.

Constructor & Destructor Documentation

template<typename T, typename U = typename std::make_unsigned<T>::type>

Intervals< T, U >::Intervals ( T  begin, T  end, U  n_workers  )

inlineprivate

Definition at line 80 of file Intervals.h.

      : begin_(begin)
      , total_size_(begin < end && n_workers ? end - begin : 0)
      , quot_(n_workers ? total_size_ / n_workers : 0)
      , rem_(n_workers ? total_size_ % n_workers : 0) {
    static_assert(std::is_integral<T>::value);
  }

Member Function Documentation

template<typename T, typename U = typename std::make_unsigned<T>::type>

Iterator Intervals< T, U >::begin ( ) const

inline

Definition at line 115 of file Intervals.h.

References Intervals< T, U >::begin_, Intervals< T, U >::quot_, and Intervals< T, U >::rem_.

Referenced by Intervals< T, U >::end(), and makeIntervals().

{ return {begin_, quot_, rem_}; }

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template<typename T, typename U = typename std::make_unsigned<T>::type>

bool Intervals< T, U >::empty ( ) const

inline

Definition at line 114 of file Intervals.h.

References Intervals< T, U >::total_size_.

{ return !total_size_; }

template<typename T, typename U = typename std::make_unsigned<T>::type>

Iterator Intervals< T, U >::end ( ) const

inline

Definition at line 116 of file Intervals.h.

References Intervals< T, U >::begin(), Intervals< T, U >::begin_, Intervals< T, U >::makeIntervals, Intervals< T, U >::quot_, heavydb.dtypes::T, and Intervals< T, U >::total_size_.

Referenced by makeIntervals().

{ return {static_cast<T>(begin_ + total_size_), quot_, 0}; }

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Friends And Related Function Documentation

template<typename T, typename U = typename std::make_unsigned<T>::type>

template<typename T1 , typename U1 >

Intervals<T1> makeIntervals ( T1  begin, T1  end, std::size_t  n_workers  )

friend

Referenced by Intervals< T, U >::end().

Member Data Documentation

template<typename T, typename U = typename std::make_unsigned<T>::type>

T const Intervals< T, U >::begin_

private

Definition at line 75 of file Intervals.h.

Referenced by Intervals< T, U >::begin(), and Intervals< T, U >::end().

template<typename T, typename U = typename std::make_unsigned<T>::type>

U const Intervals< T, U >::quot_

private

Definition at line 77 of file Intervals.h.

Referenced by Intervals< T, U >::begin(), and Intervals< T, U >::end().

template<typename T, typename U = typename std::make_unsigned<T>::type>

U const Intervals< T, U >::rem_

private

Definition at line 78 of file Intervals.h.

Referenced by Intervals< T, U >::begin().

template<typename T, typename U = typename std::make_unsigned<T>::type>

U const Intervals< T, U >::total_size_

private

Definition at line 76 of file Intervals.h.

Referenced by Intervals< T, U >::empty(), and Intervals< T, U >::end().

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The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/Shared/Intervals.h