Utils namespace. More...

Namespaces
	concepts
	Utils concepts namespace.

Classes
class	compare
	Class for comparing floating point. More...

struct	ignore_param
	Type that can be constructed from anything and has no other functionality. More...

struct	skip_functor
	Functor does nothing. More...

struct	return_constant_functor
	Functor returns always the same number. The number has to be known at compile time. More...

struct	dynamic_return_constant_functor
	Functor returns always the same number (dynamic version). More...

struct	identity_functor
	functor returns its argument More...

class	tuple_uncurry
	transforms a functor taking multiple parameters into a functor taking a tuple parameter. More...

struct	always_false
	functor return false More...

struct	always_true
	functor return true More...

struct	return_zero_functor
	functor returns 0 More...

struct	return_one_functor
	functor returns 1 More...

struct	assert_functor
	functors calls assert(false). More...

struct	remove_reference
	removes reference More...

class	counting_functor_adaptor
	Counts number of calls. More...

class	array_to_functor
	Adapts array as function, providing operator()(). More...

struct	assignable_functor
	Wrapper around a functor which adds assigmnent operator as well as default constructor. Note, this struct might be dangerous. Using this struct correctly requires the underlying functor to live at least as long as this wrapper. More...

struct	lift_iterator_functor
	For given functor f, lift_iterator_functor provides operator()(Iterator iterator) which returns f(*iter). More...

struct	greater
	greater functor More...

struct	less
	less functor More...

struct	greater_equal
	greater_equal functor More...

struct	less_equal
	less_equal functor More...

struct	equal_to
	equal_to functor More...

struct	equal_to_unspecified
	TODO equivalent to c++14 equal_to<>, remove when appears. More...

struct	not_equal_to
	not_equal_to functor More...

struct	functor_to_comparator

struct	scale_functor
	Functor that scales another functor. More...

struct	plus
	plus More...

struct	minus
	minus More...

struct	max
	max More...

struct	min
	min More...

struct	Not
	Not. More...

struct	Or
	Or. More...

struct	And
	And. More...

struct	lift_binary_operator_functor

struct	not_functor
	not_functor More...

struct	or_functor
	or_functor More...

struct	and_functor
	and_functor More...

struct	xor_functor
	xor_functor More...

struct	tuple_get
	functor for std::tuple::get<I> More...

struct	iterator_with_excluded_element
	this iterator exlcludes one specific element from range More...

class	property_map_get
	Functor object for property map get. This class exists because std::bind can't be used with polymorphic functions and we don't have polymorphic lambdas yet to allow perfect forwarding. More...

class	singleton_iterator
	Iterator to range containing single element. More...

struct	failure_message
	Functor prints failure message. More...

Functions
template<typename Idx , typename... GraphArgs>
void	contract (boost::adjacency_matrix< GraphArgs...> &amatrix, Idx v, Idx w)
	contracts to vertices in adjacency_matrix

template<typename T >
auto	make_dynamic_return_constant_functor (T t)
	make function for dynamic_return_constant_functor More...

template<typename F , typename G >
auto	compose (F f, G g)
	functor composition: x -> f(g(x)) More...

template<typename F , typename... Fs>
auto	compose (F f, Fs...fs)
	functor composition, variadic case More...

template<class F >
auto	make_tuple_uncurry (F f)
	make for tuple_uncurry More...

template<typename CounterType = int, typename Functor >
auto	make_counting_functor_adaptor (Functor f, CounterType &cnt)
	make function for counting_functor_adaptor More...

template<typename Array >
auto	make_array_to_functor (const Array &a, int offset=0)
	make function for array_to_functor More...

template<typename Functor >
auto	make_assignable_functor (Functor &f)
	make function for assignable_functor More...

template<typename Functor >
auto	make_lift_iterator_functor (Functor f)
	make function for lift_iterator_functor More...

template<typename Functor , typename Compare = less>
auto	make_functor_to_comparator (Functor functor, Compare compare=Compare())
	make for functor to comparator More...

template<typename ScaleType , typename ReturnType = ScaleType, typename Functor >
auto	make_scale_functor (Functor f, ScaleType s)
	make for scale_functor More...

template<typename FunctorLeft , typename FunctorRight , typename Operator >
auto	make_lift_binary_operator_functor (FunctorLeft left, FunctorRight right, Operator op)
	make function for lift_binary_operator_functor More...

template<typename Functor >
auto	make_not_functor (Functor functor)
	make for Not

template<typename FunctorLeft , typename FunctorRight >
auto	make_or_functor (FunctorLeft left, FunctorRight right)
	make for or_functor

template<typename FunctorLeft , typename FunctorRight >
auto	make_and_functor (FunctorLeft left, FunctorRight right)
	make and_functor

template<typename FunctorLeft , typename FunctorRight >
auto	make_xor_functor (FunctorLeft left, FunctorRight right)
	make for Xor

template<class Map >
property_map_get< Map >	make_property_map_get (Map map)
	make for property_map_get More...

template<class ForwardRange >
auto	rotate (const ForwardRange &rng, range_to_diff_type_t< ForwardRange > n)
	returns rotated view of the given range More...

template<typename Elem >
singleton_iterator< Elem >	make_singleton_iterator_begin (Elem &&elem)
	function to create begin of singleton_iterator More...

template<typename Elem >
singleton_iterator< Elem >	make_singleton_iterator_end ()
	function to create end of singleton_iterator More...

template<typename Elem >
auto	make_singleton_range (Elem &&elem) -> decltype(boost::make_iterator_range(make_singleton_iterator_begin(std::forward< Elem >(elem)), make_singleton_iterator_end< Elem >()))
	function to create a singleton range More...

auto	print_message (std::ostream &output_stream)
	prints message (specialization for empty message)

template<typename Arg , typename... Args>
auto	print_message (std::ostream &output_stream, Arg &&arg, Args...args)
	prints message

template<typename Arg , typename... Args>
auto	info (Arg &&arg, Args...args)
	prints info message

template<typename Arg , typename... Args>
auto	warning (Arg &&arg, Args...args)
	prints warning message

template<typename Arg , typename... Args>
auto	failure (Arg &&arg, Args...args)
	prints failure message

Detailed Description

Utils namespace.

Function Documentation

template<typename F , typename G >

auto paal::utils::compose	(	F	f,
		G	g
	)

functor composition: x -> f(g(x))

Template Parameters

F
G

Parameters

f
g

Returns

Definition at line 153 of file functors.hpp.

template<typename F , typename... Fs>

auto paal::utils::compose	(	F	f,
		Fs...	fs
	)

functor composition, variadic case

Template Parameters

F
Fs

Parameters

f
fs

Returns

Definition at line 168 of file functors.hpp.

template<typename Array >

auto paal::utils::make_array_to_functor	(	const Array &	a,
		int	offset = `0`
	)

make function for array_to_functor

Template Parameters

Array

Parameters

a
offset

Returns

Definition at line 364 of file functors.hpp.

template<typename Functor >

auto paal::utils::make_assignable_functor ( Functor & f )

make function for assignable_functor

Template Parameters

Functor

Parameters

f

Returns

Definition at line 421 of file functors.hpp.

template<typename CounterType = int, typename Functor >

auto paal::utils::make_counting_functor_adaptor	(	Functor	f,
		CounterType &	cnt
	)

make function for counting_functor_adaptor

Template Parameters

CounterType
Functor

Parameters

f
cnt

Returns

Definition at line 317 of file functors.hpp.

template<typename T >

auto paal::utils::make_dynamic_return_constant_functor ( T t )

make function for dynamic_return_constant_functor

Template Parameters

T

Parameters

t

Returns

Definition at line 121 of file functors.hpp.

template<typename Functor , typename Compare = less>

auto paal::utils::make_functor_to_comparator	(	Functor	functor,
		Compare	compare = `Compare()`
	)

make for functor to comparator

Template Parameters

Functor
Compare

Parameters

functor
compare

Returns

Definition at line 654 of file functors.hpp.

template<typename FunctorLeft , typename FunctorRight , typename Operator >

auto paal::utils::make_lift_binary_operator_functor	(	FunctorLeft	left,
		FunctorRight	right,
		Operator	op
	)

make function for lift_binary_operator_functor

Template Parameters

FunctorLeft
FunctorRight
Operator

Parameters

left
right
op

Returns

Definition at line 884 of file functors.hpp.

template<typename Functor >

auto paal::utils::make_lift_iterator_functor ( Functor f )

make function for lift_iterator_functor

Template Parameters

Functor

Parameters

f

Returns

Definition at line 467 of file functors.hpp.

template<class Map >

property_map_get<Map> paal::utils::make_property_map_get ( Map map )

make for property_map_get

Template Parameters

Map

Parameters

map

Returns

Definition at line 72 of file property_map.hpp.

template<typename ScaleType , typename ReturnType = ScaleType, typename Functor >

auto paal::utils::make_scale_functor	(	Functor	f,
		ScaleType	s
	)

make for scale_functor

Template Parameters

ScaleType
ReturnType
Functor

Parameters

f
s

Returns

Definition at line 702 of file functors.hpp.

template<typename Elem >

singleton_iterator<Elem> paal::utils::make_singleton_iterator_begin ( Elem && elem )

function to create begin of singleton_iterator

Template Parameters

Elem

Parameters

elem

Returns

Definition at line 77 of file singleton_iterator.hpp.

template<typename Elem >

singleton_iterator<Elem> paal::utils::make_singleton_iterator_end ( )

function to create end of singleton_iterator

Template Parameters

Elem

Returns

Definition at line 89 of file singleton_iterator.hpp.

template<typename Elem >

auto paal::utils::make_singleton_range ( Elem && elem ) -> decltype(boost::make_iterator_range( make_singleton_iterator_begin(std::forward<Elem>(elem)), make_singleton_iterator_end<Elem>() ))

function to create a singleton range

Template Parameters

Elem

Parameters

elem

Returns

Definition at line 102 of file singleton_iterator.hpp.

template<class F >

auto paal::utils::make_tuple_uncurry ( F f )

make for tuple_uncurry

Template Parameters

F

Parameters

f

Returns

Definition at line 217 of file functors.hpp.

template<class ForwardRange >

auto paal::utils::rotate	(	const ForwardRange &	rng,
		range_to_diff_type_t< ForwardRange >	n
	)

returns rotated view of the given range

Template Parameters

ForwardRange

Parameters

rng
n

Returns

Definition at line 38 of file rotate.hpp.

Namespaces

Classes

Functions

Detailed Description

Function Documentation