Range Utilities

Utilities for reduction like operations on ranges. More...

Classes
class	Dune::IntegralRange< T >
	dynamic integer range for use in range-based for loops More...
class	Dune::StaticIntegralRange< T, to, from >
	static integer range for use in range-based for loops More...

Typedefs
typedef T	Dune::IntegralRange< T >::value_type
	type of integers contained in the range
typedef Impl::IntegralRangeIterator< T >	Dune::IntegralRange< T >::iterator
	type of iterator
typedef std::make_unsigned_t< T >	Dune::IntegralRange< T >::size_type
	unsigned integer type corresponding to value_type
typedef T	Dune::StaticIntegralRange< T, to, from >::value_type
	type of integers contained in the range
typedef Impl::IntegralRangeIterator< T >	Dune::StaticIntegralRange< T, to, from >::iterator
	type of iterator
typedef std::make_unsigned_t< T >	Dune::StaticIntegralRange< T, to, from >::size_type
	unsigned integer type corresponding to value_type
typedef decltype(shift_integer_sequence< from >(std::make_integer_sequence< T, to-from >())) typedef	Dune::StaticIntegralRange< T, to, from >::integer_sequence
	type of corresponding std::integer_sequence

Functions
template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>
T::value_type	Dune::max_value (const T &v)
	compute the maximum value over a range More...
template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>
T::value_type	Dune::min_value (const T &v)
	compute the minimum value over a range More...
template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>
bool	Dune::any_true (const T &v)
	similar to std::bitset<N>::any() return true, if any entries is true More...
template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>
bool	Dune::all_true (const T &v)
	similar to std::bitset<N>::all() return true, if any entries is true More...
constexpr	Dune::IntegralRange< T >::IntegralRange (value_type from, value_type to) noexcept
	construct integer range [from, to)
constexpr	Dune::IntegralRange< T >::IntegralRange (value_type to) noexcept
	construct integer range [0, to)
constexpr	Dune::IntegralRange< T >::IntegralRange (std::pair< value_type, value_type > range) noexcept
	construct integer range std::pair
constexpr iterator	Dune::IntegralRange< T >::begin () const noexcept
	obtain a random-access iterator to the first element
constexpr iterator	Dune::IntegralRange< T >::end () const noexcept
	obtain a random-access iterator past the last element
constexpr value_type	Dune::IntegralRange< T >::operator[] (const value_type &i) const noexcept
	access specified element
constexpr bool	Dune::IntegralRange< T >::empty () const noexcept
	check whether the range is empty
constexpr size_type	Dune::IntegralRange< T >::size () const noexcept
	obtain number of elements in the range
constexpr	Dune::StaticIntegralRange< T, to, from >::StaticIntegralRange () noexcept=default
	default constructor
constexpr	Dune::StaticIntegralRange< T, to, from >::operator IntegralRange< T > () const noexcept
	cast into dynamic IntegralRange
constexpr	Dune::StaticIntegralRange< T, to, from >::operator integer_sequence () const noexcept
	cast into corresponding std::integer_sequence
static constexpr iterator	Dune::StaticIntegralRange< T, to, from >::begin () noexcept
	obtain a random-access iterator to the first element
static constexpr iterator	Dune::StaticIntegralRange< T, to, from >::end () noexcept
	obtain a random-access iterator past the last element
template<class U , U i>
constexpr auto	Dune::StaticIntegralRange< T, to, from >::operator[] (const std::integral_constant< U, i > &) const noexcept -> std::integral_constant< value_type, from+static_cast< value_type >(i)>
	access specified element (static version)
constexpr value_type	Dune::StaticIntegralRange< T, to, from >::operator[] (const size_type &i) const noexcept
	access specified element (dynamic version)
static constexpr std::integral_constant< bool, from==to >	Dune::StaticIntegralRange< T, to, from >::empty () noexcept
	check whether the range is empty
static constexpr std::integral_constant< size_type, static_cast< size_type >to) - static_cast< size_type >from) >	Dune::StaticIntegralRange< T, to, from >::size () noexcept
	obtain number of elements in the range
template<class T , class U , std::enable_if_t< std::is_same< std::decay_t< T >, std::decay_t< U >>::value, int > = 0, std::enable_if_t< std::is_integral< std::decay_t< T >>::value, int > = 0>
static IntegralRange< std::decay_t< T > >	Dune::range (T &&from, U &&to) noexcept
	free standing function for setting up a range based for loop over an integer range for (auto i: range(0,10)) // 0,1,2,3,4,5,6,7,8,9 or for (auto i: range(-10,10)) // -10,-9,..,8,9 or for (auto i: range(10)) // 0,1,2,3,4,5,6,7,8,9

Detailed Description

Utilities for reduction like operations on ranges.

All these reduction operations work for appropriate ranges and scalar values

Function Documentation

all_true()

template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>

bool Dune::all_true

(

const T &

v

)

similar to std::bitset<N>::all() return true, if any entries is true

overloads for scalar values, ranges, and std::bitset<N> exist

any_true()

template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>

bool Dune::any_true

(

const T &

v

)

similar to std::bitset<N>::any() return true, if any entries is true

overloads for scalar values, ranges, and std::bitset<N> exist

max_value()

template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>

T::value_type Dune::max_value

(

const T &

v

)

compute the maximum value over a range

overloads for scalar values, and ranges exist

min_value()

template<typename T , typename std::enable_if< is_range< T >::value, int >::type = 0>

T::value_type Dune::min_value

(

const T &

v

)

compute the minimum value over a range

overloads for scalar values, and ranges exist