#include <iomanip>
#include <iostream>
#include <ctime>
#include <cstdio>
#include <omp.h>
#include <cmath>
#include <fstream>
#include <sstream>
#include <vector>
#include <string>

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Classes
struct	double4
	Defining the «double4» structure based on the CUDA definition for the CPU version, which not include the CUDA headers. More...

struct	double3
	Defining the «double3» structure based on the CUDA definition for the CPU version, which not include the CUDA headers. More...

struct	Distance
	Structure to handle the distance of the particles, to be able to identify them while sorted. More...

struct	Energy
	This structure contains all the energy variables of the system. More...

struct	options
	Options to handling printing options, like printing the snapshot on the screen instead of a file; print the informaton of all the particles (id, mass, position, velocity, acceleration, jerk, current timestep); calculating and printing the lagrange radii. More...

struct	Predictor
	This structure contains the predicted information of a particle in some moment of the integration. More...

struct	Forces
	This structure contains the information of the Forces of a particle in some moment of the integration. More...

struct	Gtime
	This structure contains different times of the internal integration process. More...

struct	file_data
	General structure to read the INPUT file. More...

Typedefs
typedef struct double4	double4
	Defining the «double4» structure based on the CUDA definition for the CPU version, which not include the CUDA headers. More...

typedef struct double3	double3
	Defining the «double3» structure based on the CUDA definition for the CPU version, which not include the CUDA headers. More...

typedef struct Energy	Energy

typedef struct options	options

typedef struct Predictor	Predictor

typedef struct Forces	Forces

typedef struct Gtime	Gtime

typedef struct file_data	file_data

Variables
const int	G = 1
	Gravitational constant. More...

const int	J = 6
	Amount of neighbours to calculate the center of density of the system (Casertano & Hut 1985) More...

const float	CORE_MASS = 0.1
	Common mass percentage in the core of a globular cluster. More...

const float	LAGRANGE_RADII [] = {0.01, 0.05, 0.1, 0.2, 0.5, 0.75}

const double	E = 1e-4
	Softening parameter. More...

const double	E2 = 1e-8
	Softening parameter squared. More...

const float	ETA_S = 0.01
	Initial ETA parameter to calculate the first timestep of all the particles of the system. More...

const float	ETA_N = 0.01
	Iteration ETA parameter to calculate new timestep of all the active particles of the system, in a certain integration time. More...

const double	D_TIME_MIN = 1.1920928955078125e-07
	Lower boundary for the particles timesteps, $2^{-23}$ . More...

const double	D_MTIME_MIN = 7.450580596923828e-09
	Lower boundary for the binary timesteps, $2^{-30}$ . More...

const double	D_TIME_MAX = 0.125
	Upper boundary for the particles timesteps, $2^{-3}$ . More...

const double	KERNEL_GFLOP = 48e-9

Typedef Documentation

§ double3

typedef struct double3 double3

Defining the «double3» structure based on the CUDA definition for the CPU version, which not include the CUDA headers.

§ double4

typedef struct double4 double4

Defining the «double4» structure based on the CUDA definition for the CPU version, which not include the CUDA headers.

§ Energy

typedef struct Energy Energy

§ file_data

typedef struct file_data file_data

§ Forces

typedef struct Forces Forces

§ Gtime

typedef struct Gtime Gtime

§ options

typedef struct options options

§ Predictor

typedef struct Predictor Predictor

Variable Documentation

§ CORE_MASS

const float CORE_MASS = 0.1

Common mass percentage in the core of a globular cluster.

§ D_MTIME_MIN

const double D_MTIME_MIN = 7.450580596923828e-09

Lower boundary for the binary timesteps, $2^{-30}$ .

§ D_TIME_MAX

const double D_TIME_MAX = 0.125

Upper boundary for the particles timesteps, $2^{-3}$ .

§ D_TIME_MIN

const double D_TIME_MIN = 1.1920928955078125e-07

Lower boundary for the particles timesteps, $2^{-23}$ .

§ E

const double E = 1e-4

Softening parameter.

§ E2

const double E2 = 1e-8

Softening parameter squared.

§ ETA_N

const float ETA_N = 0.01

Iteration ETA parameter to calculate new timestep of all the active particles of the system, in a certain integration time.

Based on Aarseth formula

§ ETA_S

const float ETA_S = 0.01

Initial ETA parameter to calculate the first timestep of all the particles of the system.

Based on Aarseth formula

§ G

const int G = 1

Gravitational constant.

Since we are working in N-body units we set G as one.

§ J

const int J = 6

Amount of neighbours to calculate the center of density of the system (Casertano & Hut 1985)

§ KERNEL_GFLOP

const double KERNEL_GFLOP = 48e-9

§ LAGRANGE_RADII

const float LAGRANGE_RADII[] = {0.01, 0.05, 0.1, 0.2, 0.5, 0.75}

Classes

Typedefs

Variables