IsingLattice Struct Reference

Public Member Functions
	IsingLattice ()
void	set_temperature (real T)
void	set_field (real Fnew)
real	temperature () const
void	rebuild_boltz ()
void	random_init ()
void	all_up ()
void	generate_nucleus (real r=100.0)
void	sweep ()
int	sweep_umbrella (int lo, int hi, num::ClusterResult &det)
real	magnetization () const
real	energy_per_spin ()

Static Public Member Functions
static real	mean_field_m (real beta_val, real F_val)

Public Attributes
Vector	spins
Vector	ones
Vector	nbr_buf
SparseMatrix	adj
num::PBCLattice2D	nbr_
real	boltz [2][5] {}
std::vector< real >	save_buf
std::mt19937	rng
std::uniform_real_distribution< real >	dist {0.0, 1.0}
real	beta = 1.0 / (1.0 / 0.58)
real	F = 0.0

Detailed Description

Definition at line 70 of file main.cpp.

Constructor & Destructor Documentation

IsingLattice()

IsingLattice::IsingLattice ( )

inline

Definition at line 94 of file main.cpp.

References random_init(), and rebuild_boltz().

Member Function Documentation

all_up()

void IsingLattice::all_up ( )

inline

Definition at line 127 of file main.cpp.

References spins.

Referenced by generate_nucleus(), and main().

energy_per_spin()

real IsingLattice::energy_per_spin ( )

inline

Definition at line 195 of file main.cpp.

References adj, num::dot(), F, nbr_buf, ones, num::sparse_matvec(), and spins.

Referenced by main().

generate_nucleus()

void IsingLattice::generate_nucleus ( real  r = 100.0 )

inline

Definition at line 130 of file main.cpp.

References all_up(), and spins.

Referenced by main().

magnetization()

real IsingLattice::magnetization ( ) const

inline

Definition at line 190 of file main.cpp.

References num::dot(), ones, and spins.

Referenced by main().

mean_field_m()

static real IsingLattice::mean_field_m ( real  beta_val, real  F_val  )

inlinestatic

Definition at line 203 of file main.cpp.

References num::newton().

Referenced by main().

random_init()

void IsingLattice::random_init ( )

inline

Definition at line 122 of file main.cpp.

References dist, rng, and spins.

Referenced by IsingLattice(), and main().

rebuild_boltz()

void IsingLattice::rebuild_boltz ( )

inline

Definition at line 111 of file main.cpp.

References beta, boltz, num::markov::boltzmann_accept(), and F.

Referenced by IsingLattice(), set_field(), and set_temperature().

set_field()

void IsingLattice::set_field ( real  Fnew )

inline

Definition at line 108 of file main.cpp.

References F, and rebuild_boltz().

Referenced by main().

set_temperature()

void IsingLattice::set_temperature ( real  T )

inline

Definition at line 107 of file main.cpp.

References beta, num::e, and rebuild_boltz().

Referenced by main().

sweep()

void IsingLattice::sweep ( )

inline

Definition at line 143 of file main.cpp.

References boltz, num::PBCLattice2D::dn, num::PBCLattice2D::lt, num::markov::metropolis_sweep_prob(), nbr_, rng, num::PBCLattice2D::rt, spins, and num::PBCLattice2D::up.

Referenced by main().

sweep_umbrella()

int IsingLattice::sweep_umbrella ( int  lo, int  hi, num::ClusterResult &  det  )

inline

Definition at line 161 of file main.cpp.

References boltz, num::connected_components(), num::PBCLattice2D::dn, num::ClusterResult::largest_size, num::PBCLattice2D::lt, nbr_, rng, num::PBCLattice2D::rt, save_buf, spins, num::markov::umbrella_sweep_prob(), and num::PBCLattice2D::up.

Referenced by main().

temperature()

real IsingLattice::temperature ( ) const

inline

Definition at line 109 of file main.cpp.

References beta, and num::e.

Member Data Documentation

adj

SparseMatrix IsingLattice::adj

Definition at line 74 of file main.cpp.

Referenced by energy_per_spin().

beta

real IsingLattice::beta = 1.0 / (1.0 / 0.58)

Definition at line 91 of file main.cpp.

Referenced by main(), rebuild_boltz(), set_temperature(), and temperature().

boltz

real IsingLattice::boltz[2][5] {}

Definition at line 84 of file main.cpp.

Referenced by rebuild_boltz(), sweep(), and sweep_umbrella().

dist

std::uniform_real_distribution<real> IsingLattice::dist {0.0, 1.0}

Definition at line 89 of file main.cpp.

Referenced by random_init().

F

real IsingLattice::F = 0.0

Definition at line 92 of file main.cpp.

Referenced by energy_per_spin(), main(), rebuild_boltz(), and set_field().

nbr_

num::PBCLattice2D IsingLattice::nbr_

Definition at line 77 of file main.cpp.

Referenced by sweep(), and sweep_umbrella().

nbr_buf

Vector IsingLattice::nbr_buf

Definition at line 73 of file main.cpp.

Referenced by energy_per_spin().

ones

Vector IsingLattice::ones

Definition at line 72 of file main.cpp.

Referenced by energy_per_spin(), and magnetization().

rng

std::mt19937 IsingLattice::rng

Definition at line 88 of file main.cpp.

Referenced by random_init(), sweep(), and sweep_umbrella().

save_buf

std::vector<real> IsingLattice::save_buf

Definition at line 86 of file main.cpp.

Referenced by sweep_umbrella().

spins

Vector IsingLattice::spins

Definition at line 71 of file main.cpp.

Referenced by all_up(), energy_per_spin(), generate_nucleus(), magnetization(), main(), random_init(), sweep(), and sweep_umbrella().

---

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

• /home/runner/work/numerics/numerics/apps/ising/main.cpp