split_op.h File Reference

command line parser file. More...

#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <string>
#include <ctime>
#include <cuda.h>
#include <cuda_runtime.h>
#include <cufft.h>
#include <ctype.h>
#include <getopt.h>
#include "tracker.h"
#include "ds.h"
#include "constants.h"

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Functions
int	isError (int result, char *c)
	Checks if CUDA operation has succeeded. Prints to stdout. More...
void	parSum (double2 *gpuWfc, Grid &par)
	Performs parallel summation and renormalises the wavefunction. More...
void	parSum (double *gpuWfc, double *gpuParSum, Grid &par)
	Performs parallel summation and renormalises the wavefunction. More...
void	optLatSetup (const std::shared_ptr< Vtx::Vortex > centre, const double *V, std::vector< std::shared_ptr< Vtx::Vortex >> &vArray, double theta_opt, double intensity, double *v_opt, const double *x, const double *y, Grid &par)
	Creates the optical lattice to match the vortex lattice constant. More...
double	energy_calc (Grid &par, double2 *wfc)
	Calculates the energy of the condensate. More...

Detailed Description

command line parser file.

Host and device declarations for simulations.

Author

James Ryan Schloss (leios)

Date

5/25/2016

Version

0.1

Author

Lee J. O'Riordan (mlxd)

Date

12/11/2015

Version

0.1

DESCRIPTION

These functions and variables are necessary for carrying out the GPUE simulations. This file will be re-written in an improved form in some future release.

Definition in file split_op.h.

Function Documentation

energy_calc()

double energy_calc	(	Grid &	par,
		double2 *	wfc
	)

Calculates the energy of the condensate.

Parameters

gpuWfc	Device wavefunction array
Parameter	class

Returns

$ | H | $

isError()

int isError	(	int	result,
		char *	c
	)

Checks if CUDA operation has succeeded. Prints to stdout.

Parameters

result	Function result code of CUDA operation
c	Descriptor of CUDA operation

Returns

0 for success. See CUDA failure codes in cuda.h for other values.

optLatSetup()

void optLatSetup	(	const std::shared_ptr< Vtx::Vortex >	centre,
		const double *	V,
		std::vector< std::shared_ptr< Vtx::Vortex >> &	vArray,
		double	theta_opt,
		double	intensity,
		double *	v_opt,
		const double *	x,
		const double *	y,
		Grid &	par
	)

Creates the optical lattice to match the vortex lattice constant.

Parameters

centre	Central vortex in condensate
V	Trapping potential for condensate
vArray	Vortex location array
theta_opt	Offset angle for optical lattice relative to vortex lattice
intensity	Optical lattice amplitude
v_opt	Optical lattice memory address location
x	X grid array
y	Y grid array
Parameter	class

parSum() [1/2]

void parSum	(	double2 *	gpuWfc,
		Grid &	par
	)

Performs parallel summation and renormalises the wavefunction.

Parameters

gpuWfc	GPU memory location for wavefunction
Parameter	class

Returns

0 for success. See CUDA failure codes in cuda.h for other values.

parSum() [2/2]

void parSum	(	double *	gpuWfc,
		double *	gpuParSum,
		Grid &	par
	)

Performs parallel summation and renormalises the wavefunction.

Parameters

gpuWfc	GPU memory location for wavefunction
gpuParSum	wavefunction density
Parameter	class

Returns

0 for success. See CUDA failure codes in cuda.h for other values.