alma::BE_derivative_distribution Class Reference

Objects of this class allow us to sample from a discrete distribution over a q-point grid with a PMF proportional to cv / tau, where cv is the contribution to the specific heat and tau is the relaxation time. More...

#include <sampling.hpp>

Inheritance diagram for alma::BE_derivative_distribution:

Collaboration diagram for alma::BE_derivative_distribution:

Public Member Functions
	BE_derivative_distribution (const Gamma_grid &grid, const Eigen::Ref< const Eigen::ArrayXXd > &w, double T, randutils::mt19937_rng &_rng)
	Constructor. More...
Public Member Functions inherited from alma::Grid_distribution
	Grid_distribution (const Gamma_grid &grid, randutils::mt19937_rng &_rng)
	Constructor. More...
virtual	~Grid_distribution ()
	Trivial virtual destructor.
void	fill_cumulative (const std::vector< double > &p)
	Fill the 'cumulative' vector. More...
std::array< std::size_t, 2 >	sample ()
	Draw a sample from the distribution. More...

Additional Inherited Members
Public Attributes inherited from alma::Grid_distribution
const std::size_t	nqpoints
	Number of q points.
const std::size_t	nmodes
	Number of phonon modes at each q point.

Detailed Description

Objects of this class allow us to sample from a discrete distribution over a q-point grid with a PMF proportional to cv / tau, where cv is the contribution to the specific heat and tau is the relaxation time.

Constructor & Destructor Documentation

BE_derivative_distribution()

alma::BE_derivative_distribution::BE_derivative_distribution	(	const Gamma_grid &	grid,
		const Eigen::Ref< const Eigen::ArrayXXd > &	w,
		double	T,
		randutils::mt19937_rng &	_rng
	)

Constructor.

Parameters

[in]	grid	- phonon spectrum on a regular grid
[in]	w	- scattering rates
[in]	T	- the temperature in K
[in,out]	_rng	- a random number generator

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The documentation for this class was generated from the following files:

• sampling.hpp
• sampling.cpp