mln::accu::count_value< V > Struct Template Reference
[On values]

Count a given value. More...

#include <count_value.hh>

Inheritance diagram for mln::accu::count_value< V >:

List of all members.

Public Types
typedef V	argument
typedef Accumulator< void >	category
typedef E	exact_t
typedef R	q_result
typedef mln::metal::unqualif < R >::ret	result
Public Member Functions
	count_value (const V &ref)
	count_value ()
bool	is_valid () const
	Check whether this accu is able to return a result.
R	subj_ ()
template<typename T>
void	take_as_init (const T &t)
	Take as initialization the value t.
template<typename T>
void	take_as_init_ (const T &t)
	Default implementation of "take as initialization".
template<typename T>
void	take_n_times (unsigned n, const T &t)
	Take n times the value t.
template<typename T>
void	take_n_times_ (unsigned n, const T &t)
	Default implementation of "take n times".
unsigned	to_result () const
	Get the value of the accumulator.
void	init ()
	Manipulators.
void	set_value (unsigned c)
	Force the value of the counter to c.
void	take (const count_value< V > &other)
void	take (const argument &)
void	untake (const count_value< V > &other)
void	untake (const argument &)
Protected Attributes
unsigned	count_
	The value of the counter.
V	ref_
	The value which must be counted.
bool	valid_
	Set to false if the reference value is not set.

---

Detailed Description

template<typename V>
struct mln::accu::count_value< V >

Count a given value.

Definition at line 48 of file count_value.hh.

---

Member Typedef Documentation

template<typename V>

typedef V mln::accu::count_value< V >::argument

Definition at line 51 of file count_value.hh.

template<typename E>

typedef Accumulator<void> mln::Accumulator< E >::category [inherited]

Reimplemented from mln::Proxy< E >.

Definition at line 80 of file accumulator.hh.

template<typename E>

typedef E mln::Object< E >::exact_t [inherited]

Definition at line 172 of file object.hh.

template<typename R, typename E>

typedef R mln::accu::internal::base< R, E >::q_result [inherited]

Definition at line 58 of file base.hh.

template<typename R, typename E>

typedef mln::metal::unqualif< R >::ret mln::accu::internal::base< R, E >::result [inherited]

Reimplemented in mln::accu::center< P, V >, mln::accu::max_site< I >, mln::accu::site_set::rectangularity< P >, mln::accu::stat::deviation< T, S, M >, mln::accu::stat::mean< T, S, M >, mln::accu::stat::var< T >, and mln::accu::stat::variance< T, S, R >.

Definition at line 59 of file base.hh.

---

Constructor & Destructor Documentation

template<typename V>

mln::accu::count_value< V >::count_value

(

)

[inline]

Definition at line 111 of file count_value.hh.

References mln::accu::count_value< V >::init(), and mln::accu::count_value< V >::valid_.

template<typename V>

mln::accu::count_value< V >::count_value

(

const V &

ref

)

[inline, explicit]

Definition at line 119 of file count_value.hh.

References mln::accu::count_value< V >::init(), mln::accu::count_value< V >::ref_, and mln::accu::count_value< V >::valid_.

---

Member Function Documentation

template<typename V>

void mln::accu::count_value< V >::init

(

)

[inline]

Manipulators.

Definition at line 129 of file count_value.hh.

References mln::accu::count_value< V >::count_.

Referenced by mln::accu::count_value< V >::count_value().

template<typename V>

bool mln::accu::count_value< V >::is_valid

(

)

const [inline]

Check whether this accu is able to return a result.

Always true here.

Definition at line 192 of file count_value.hh.

References mln::accu::count_value< V >::valid_.

Referenced by mln::accu::count_value< V >::take(), and mln::accu::count_value< V >::untake().

template<typename V>

void mln::accu::count_value< V >::set_value

(

unsigned

c

)

[inline]

Force the value of the counter to c.

Definition at line 184 of file count_value.hh.

References mln::accu::count_value< V >::count_.

template<typename R, typename E>

R base::subj_

(

)

[inline, inherited]

Definition at line 77 of file base.hh.

References mln::exact().

template<typename V>

void mln::accu::count_value< V >::take

(

const count_value< V > &

other

)

[inline]

Definition at line 146 of file count_value.hh.

References mln::accu::count_value< V >::count_, mln::accu::count_value< V >::is_valid(), and mln::accu::count_value< V >::ref_.

template<typename V>

void mln::accu::count_value< V >::take

(

const argument &

l

)

[inline]

Definition at line 137 of file count_value.hh.

References mln::accu::count_value< V >::count_, and mln::accu::count_value< V >::ref_.

template<typename E>

template<typename T>

void mln::Accumulator< E >::take_as_init

(

const T &

t

)

[inline, inherited]

Take as initialization the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

Reimplemented in mln::accu::stat::variance< T, S, R >.

Definition at line 186 of file accumulator.hh.

References mln::exact(), and mln::mln_exact().

Referenced by mln::morpho::elementary::impl::gradient_on_function(), and mln::morpho::elementary::impl::gradient_on_function_fastest().

template<typename E>

template<typename T>

void mln::Accumulator< E >::take_as_init_

(

const T &

t

)

[inline, inherited]

Default implementation of "take as initialization".

Reimplemented in mln::accu::math::inf< T >, mln::accu::math::sum< T, S >, mln::accu::math::sup< T >, mln::accu::pair< A1, A2, T >, mln::accu::rms< T, V >, mln::accu::stat::max< T >, mln::accu::stat::min< T >, mln::accu::stat::rank_high_quant< T >, and mln::accu::stat::var< T >.

Definition at line 200 of file accumulator.hh.

References mln::exact().

template<typename E>

template<typename T>

void mln::Accumulator< E >::take_n_times	(	unsigned	n,
		const T &	t
	)			[inline, inherited]

Take n times the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

Definition at line 213 of file accumulator.hh.

References mln::exact(), and mln::mln_exact().

template<typename E>

template<typename T>

void mln::Accumulator< E >::take_n_times_	(	unsigned	n,
		const T &	t
	)			[inline, inherited]

Default implementation of "take n times".

Reimplemented in mln::accu::stat::var< T >.

Definition at line 230 of file accumulator.hh.

References mln::exact().

template<typename V>

unsigned mln::accu::count_value< V >::to_result

(

)

const [inline]

Get the value of the accumulator.

Definition at line 175 of file count_value.hh.

References mln::accu::count_value< V >::count_.

template<typename V>

void mln::accu::count_value< V >::untake

(

const count_value< V > &

other

)

[inline]

Definition at line 165 of file count_value.hh.

References mln::accu::count_value< V >::count_, mln::accu::count_value< V >::is_valid(), and mln::accu::count_value< V >::ref_.

template<typename V>

void mln::accu::count_value< V >::untake

(

const argument &

l

)

[inline]

Definition at line 156 of file count_value.hh.

References mln::accu::count_value< V >::count_, and mln::accu::count_value< V >::ref_.

---

Member Data Documentation

template<typename V>

unsigned mln::accu::count_value< V >::count_ [protected]

The value of the counter.

Definition at line 77 of file count_value.hh.

Referenced by mln::accu::count_value< V >::init(), mln::accu::count_value< V >::set_value(), mln::accu::count_value< V >::take(), mln::accu::count_value< V >::to_result(), and mln::accu::count_value< V >::untake().

template<typename V>

V mln::accu::count_value< V >::ref_ [protected]

The value which must be counted.

Definition at line 79 of file count_value.hh.

Referenced by mln::accu::count_value< V >::count_value(), mln::accu::count_value< V >::take(), and mln::accu::count_value< V >::untake().

template<typename V>

bool mln::accu::count_value< V >::valid_ [protected]

Set to false if the reference value is not set.

Definition at line 82 of file count_value.hh.

Referenced by mln::accu::count_value< V >::count_value(), and mln::accu::count_value< V >::is_valid().