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R8982/src/constants.hpp
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constants.hpp
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/**
* @file constants.hpp
* @author Munier Louis
* @date 30.05.19
* @version 1.0
*
* Constants file to have all the desired constants of the overall project.
*/
#ifndef PROJECT_CONSTANTS_HPP
#define PROJECT_CONSTANTS_HPP
/**
* Different includes to have all the c++ functions/library needed.
*/
#include <iostream> /**< input/output stream objects */
#include <fstream> /**< input/output stream class to operate on files */
#include <string> /**< string library manipulation */
#include <cstdlib> /**< C standard general utilities library */
#include <cstdint> /**< integer types */
#include <random> /**< introduces random number generation facilities */
#include <math.h> /**< different maths functions */
#include <curand.h>
/**
* Different defines to have constants for the overall project.
*/
#define PRINT /**< if it is defined, print value in terminal and csv file */
#define G 6.67408e-11f /**< gravitational general constant */
#define EPSILON 0.005f /**< to avoid collision between particles */
#define DIM_3 3 /**< number of dimension in 3D */
#define NB_PARTICLES 4096 /**< number of particles for the project */
#define SIDE NB_PARTICLES /**< side of the area considered for the project */
#define SIDE_2f SIDE / 2.0f /**< 1/2 side of the area considered for the project */
#define SIDE_4f SIDE / 4.0f /**< 1/4 side of the area considered for the project */
#define SHIFT SIDE / 3.0f /**< Shift value to unbalanced uniformity of particles creation */
#define OCCUPATION_PERC 0.5f /**< percentage of occupation to avoid particle go easily outside boundaries */
#define MASS_MAX 10e10f /**< maximum of mass value for a particle */
#define MAX_THREADS 1024
#define DELTA_T 0.05f /**< duration of each update timestep */
#define ITERATIONS 200 /**< number of iterations to solve nBody problem */
#endif //PROJECT_CONSTANTS_HPP
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