xrpl::DecayingSample< Window, Clock > Class Template Reference

Sampling function using exponential decay to provide a continuous value. More...

#include <DecayingSample.h>

Public Types
using	value_type = Clock::duration::rep
using	time_point = Clock::time_point

Public Member Functions
	DecayingSample ()=delete
	DecayingSample (time_point now)
value_type	add (value_type value, time_point now)
	Add a new sample.
value_type	value (time_point now)
	Retrieve the current value in normalized units.

Private Member Functions
void	decay (time_point now)

Private Attributes
value_type	value_
time_point	when_

Detailed Description

template<int Window, typename Clock>
class xrpl::DecayingSample< Window, Clock >

Sampling function using exponential decay to provide a continuous value.

Template Parameters

The	number of seconds in the decay window.

Definition at line 12 of file DecayingSample.h.

Member Typedef Documentation

value_type

template<int Window, typename Clock>

using xrpl::DecayingSample< Window, Clock >::value_type = Clock::duration::rep

Definition at line 15 of file DecayingSample.h.

time_point

template<int Window, typename Clock>

using xrpl::DecayingSample< Window, Clock >::time_point = Clock::time_point

Definition at line 16 of file DecayingSample.h.

Constructor & Destructor Documentation

DecayingSample() [1/2]

template<int Window, typename Clock>

xrpl::DecayingSample< Window, Clock >::DecayingSample ( )

delete

DecayingSample() [2/2]

template<int Window, typename Clock>

xrpl::DecayingSample< Window, Clock >::DecayingSample ( time_point now )

explicit

Parameters

now	Start time of DecayingSample.

Definition at line 23 of file DecayingSample.h.

Member Function Documentation

add()

template<int Window, typename Clock>

value_type xrpl::DecayingSample< Window, Clock >::add	(	value_type	value,
		time_point	now )

Add a new sample.

The value is first aged according to the specified time.

Definition at line 31 of file DecayingSample.h.

value()

template<int Window, typename Clock>

value_type xrpl::DecayingSample< Window, Clock >::value

(

time_point

now

)

Retrieve the current value in normalized units.

The samples are first aged according to the specified time.

Definition at line 42 of file DecayingSample.h.

decay()

template<int Window, typename Clock>

void xrpl::DecayingSample< Window, Clock >::decay ( time_point now )

private

Definition at line 51 of file DecayingSample.h.

Member Data Documentation

value_

template<int Window, typename Clock>

value_type xrpl::DecayingSample< Window, Clock >::value_

private

Definition at line 81 of file DecayingSample.h.

when_

template<int Window, typename Clock>

time_point xrpl::DecayingSample< Window, Clock >::when_

private

Definition at line 84 of file DecayingSample.h.