triqs::utility::time_segment

#include <triqs/utility/time_pt.hpp>

Detailed Description

Represents the imaginary-time segment \( [0, \beta] \).

Definition at line 249 of file time_pt.hpp.

Public Member Functions
	time_segment (double beta_)
	Construct a segment \( [0, \beta] \) from an inverse temperature.
time_pt	get_epsilon () const
	Get a time point representing one grid step \( \varepsilon = \beta / N_\text{max} \).
time_pt	get_lower_pt () const
	Get the lower end of the segment.
template<typename RNG>
time_pt	get_random_pt (RNG &rng) const
	Draw a uniform random point in \( [0, \beta[ \).
template<typename RNG>
time_pt	get_random_pt (RNG &rng, time_pt tp) const
	Draw a uniform random point in \( [0, \tau[ \).
template<typename RNG>
time_pt	get_random_pt (RNG &rng, time_pt tp1, time_pt tp2) const
	Draw a uniform random point in \( [\tau_1, \tau_2[ \).
time_pt	get_upper_pt () const
	Get the upper end of the segment.
time_pt	make_time_pt (double x) const
	Convert a double value to the nearest point on the grid.

Public Attributes
double	beta
	Inverse temperature \( \beta \).

Constructor & Destructor Documentation

time_segment()

triqs::utility::time_segment::time_segment ( double beta_ )

inline

Construct a segment \( [0, \beta] \) from an inverse temperature.

Parameters

beta_

Inverse temperature \( \beta \).

Definition at line 257 of file time_pt.hpp.

Member Function Documentation

get_epsilon()

time_pt triqs::utility::time_segment::get_epsilon ( ) const

inlinenodiscard

Get a time point representing one grid step \( \varepsilon = \beta / N_\text{max} \).

Returns

Time point with grid position \( n = 1 \).

Definition at line 307 of file time_pt.hpp.

get_lower_pt()

time_pt triqs::utility::time_segment::get_lower_pt ( ) const

inlinenodiscard

Get the lower end of the segment.

Returns

Time point with grid position \( n = 0 \).

Definition at line 301 of file time_pt.hpp.

get_random_pt() [1/3]

template<typename RNG>

time_pt triqs::utility::time_segment::get_random_pt ( RNG & rng ) const

inlinenodiscard

Draw a uniform random point in \( [0, \beta[ \).

Template Parameters

RNG	Random number generator type.

Parameters

rng	Random number generator.

Returns

A uniformly distributed time point on the current segment.

Definition at line 276 of file time_pt.hpp.

get_random_pt() [2/3]

template<typename RNG>

time_pt triqs::utility::time_segment::get_random_pt ( RNG & rng, time_pt tp ) const

inlinenodiscard

Draw a uniform random point in \( [0, \tau[ \).

Template Parameters

RNG	Random number generator type.

Parameters

rng	Random number generator.
tp	Exclusive upper bound \( \tau \).

Returns

A uniformly distributed time point on \( [0, \tau[ \).

Definition at line 267 of file time_pt.hpp.

get_random_pt() [3/3]

template<typename RNG>

time_pt triqs::utility::time_segment::get_random_pt ( RNG & rng, time_pt tp1, time_pt tp2 ) const

inlinenodiscard

Draw a uniform random point in \( [\tau_1, \tau_2[ \).

Template Parameters

RNG	Random number generator type.

Parameters

rng	Random number generator.
tp1	Inclusive lower bound \( \tau_1 \).
tp2	Exclusive upper bound \( \tau_2 \).

Returns

A uniformly distributed time point on the interval \( [\tau_1, \tau_2[ \).

Definition at line 287 of file time_pt.hpp.

get_upper_pt()

time_pt triqs::utility::time_segment::get_upper_pt ( ) const

inlinenodiscard

Get the upper end of the segment.

Returns

Time point with grid position \( n = N_\mathrm{max} \).

Definition at line 295 of file time_pt.hpp.

make_time_pt()

time_pt triqs::utility::time_segment::make_time_pt ( double x ) const

inlinenodiscard

Convert a double value to the nearest point on the grid.

Parameters

x	Value in \( [0, \beta] \).

Returns

The corresponding time point on the grid.

Definition at line 315 of file time_pt.hpp.

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The documentation for this struct was generated from the following file:

• triqs/utility/time_pt.hpp