monte_carlo.cpp File Reference

Implementation of the monte carlo functions. More...

#include "monte_carlo.hpp"
#include <cmath>
#include <cstdint>

Go to the source code of this file.

Functions
void	monte_carlo_progression (double T, int L, int cycles, const std::string filename)
	Write the expected values for each Monte Carlo cycles to file.
void	monte_carlo_progression (double T, int L, int cycles, int value, const std::string filename)
	Write the expected values for each Monte Carlo cycles to file.
void	pd_estimate (double T, int L, int cycles, const std::string filename)
	Estimate the probability distribution for the energy.
data_t	monte_carlo_serial (int L, double T, int cycles)
	Execute the Metropolis algorithm for a certain amount of Monte Carlo cycles.
data_t	monte_carlo_parallel (int L, double T, int cycles)
	Execute the Metropolis algorithm for a certain amount of Monte Carlo cycles in parallel.
void	phase_transition (int L, double start, double end, int points, std::function< data_t(int, double, int)> monte_carlo, std::string outfile)
	Perform the MCMC algorithm using a range of temperatures.

Detailed Description

Implementation of the monte carlo functions.

Author

Cory Alexander Balaton (coryab)

Janita Ovidie Sandtrøen Willumsen (janitaws)

Version

1.0

Bug:

No known bugs

Definition in file monte_carlo.cpp.

Function Documentation

monte_carlo_parallel()

data_t monte_carlo_parallel	(	int	L,
		double	T,
		int	cycles
	)

Execute the Metropolis algorithm for a certain amount of Monte Carlo cycles in parallel.

Parameters

L	The size of the lattice
T	The Temperature for the Ising model
cycles	The amount of Monte Carlo cycles to do

Returns

data_t

Definition at line 128 of file monte_carlo.cpp.

monte_carlo_progression() [1/2]

void monte_carlo_progression	(	double	T,
		int	L,
		int	cycles,
		const std::string	filename
	)

Write the expected values for each Monte Carlo cycles to file.

Parameters

T	Temperature
L	The size of the lattice
cycles	The amount of Monte Carlo cycles to do
filename	The file to write to

Definition at line 17 of file monte_carlo.cpp.

monte_carlo_progression() [2/2]

void monte_carlo_progression	(	double	T,
		int	L,
		int	cycles,
		int	value,
		const std::string	filename
	)

Write the expected values for each Monte Carlo cycles to file.

Parameters

T	Temperature
L	The size of the lattice
cycles	The amount of Monte Carlo cycles to do
value	The value to set the elements in the lattice
filename	The file to write to

Definition at line 51 of file monte_carlo.cpp.

monte_carlo_serial()

data_t monte_carlo_serial	(	int	L,
		double	T,
		int	cycles
	)

Execute the Metropolis algorithm for a certain amount of Monte Carlo cycles.

Parameters

L	The size of the lattice
T	The Temperature for the Ising model
cycles	The amount of Monte Carlo cycles to do

Returns

data_t

Definition at line 111 of file monte_carlo.cpp.

pd_estimate()

void pd_estimate	(	double	T,
		int	L,
		int	cycles,
		const std::string	filename
	)

Estimate the probability distribution for the energy.

Parameters

T	The temperature of the Ising model
L	The size of the lattice
cycles	The amount of Monte Carlo cycles to do
filename	The file to write to

Definition at line 85 of file monte_carlo.cpp.

phase_transition()

void phase_transition	(	int	L,
		double	start_T,
		double	end_T,
		int	points_T,
		std::function< data_t(int, double, int)>	monte_carlo,
		std::string	outfile
	)

Perform the MCMC algorithm using a range of temperatures.

Parameters

L	The size of the lattice
start_T	The start temperature
end_T	The end temperature
point_T	The amount of point to measure
monte_carlo	Which Monte Carlo implementation to use
outfile	The file to write the data to

Definition at line 156 of file monte_carlo.cpp.