mln::accu::nil< T > Struct Template Reference

Define an accumulator that does nothing. More...

#include <nil.hh>

Inheritance diagram for mln::accu::nil< T >:

List of all members.

Public Types
typedef util::eat	argument
typedef Accumulator< void >	category
typedef E	exact_t
typedef R	q_result
typedef mln::metal::unqualif < R >::ret	result
Public Member Functions
bool	is_valid () const
	Check whether this accu is able to return a result.
	nil ()
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".
util::ignore	to_result () const
	Get the value of the accumulator.
void	init ()
	Manipulators.
void	take (const nil< T > &)
void	take (const argument &)
void	take_as_init_ (const argument &)

---

Detailed Description

template<typename T>
struct mln::accu::nil< T >

Define an accumulator that does nothing.

Definition at line 49 of file accu/nil.hh.

---

Member Typedef Documentation

template<typename T>

typedef util::eat mln::accu::nil< T >::argument

Definition at line 51 of file accu/nil.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.

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Constructor & Destructor Documentation

template<typename T>

mln::accu::nil< T >::nil

(

)

[inline]

Definition at line 93 of file accu/nil.hh.

---

Member Function Documentation

template<typename T>

void mln::accu::nil< T >::init

(

)

[inline]

Manipulators.

Definition at line 100 of file accu/nil.hh.

template<typename T>

bool mln::accu::nil< T >::is_valid

(

)

const [inline]

Check whether this accu is able to return a result.

Always true here.

Definition at line 136 of file accu/nil.hh.

template<typename R, typename E>

R base::subj_

(

)

[inline, inherited]

Definition at line 77 of file base.hh.

References mln::exact().

template<typename T>

void mln::accu::nil< T >::take

(

const nil< T > &

)

[inline]

Definition at line 121 of file accu/nil.hh.

template<typename T>

void mln::accu::nil< T >::take

(

const argument &

)

[inline]

Definition at line 107 of file accu/nil.hh.

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 T>

void mln::accu::nil< T >::take_as_init_

(

const argument &

)

[inline]

Definition at line 114 of file accu/nil.hh.

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 T>

util::ignore mln::accu::nil< T >::to_result

(

)

const [inline]

Get the value of the accumulator.

Definition at line 128 of file accu/nil.hh.