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Sun, Sep 29, 16:17

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 <vector> /**< dynamic arrays */
#include <math.h> /**< different maths functions */
#include <chrono> /**< deal with time */
/**
* @namespace std::chrono to simplify notation on time duration computing
*/
using namespace std::chrono;
/**
* 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 BH_THETA 1.0f /**< Barnes-Hut threshold to consider particles as a unique one */
#define DIM_2 2 /**< number of dimension in 2D */
#define DIM_3 3 /**< number of dimension in 3D */
#define NB_DIM DIM_3 /**< number of dimension chosen for the project */
//#define NB_PARTICLES 1000 /**< number of particles for the project */
//#define SIDE 1000 /**< side of the area considered for the project */
//#define SHIFT SIDE/3.0f /**< shift each particles to unbalanced probability of particles position */
#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 DELTA_T 0.01f /**< duration of each update timestep */
#define ITERATIONS 200 /**< number of iterations to solve nBody problem */
/**
* @enum property of the particle
*/
enum property {
POS, /**< enum value for position property */
VEL, /**< enum value for velocity property */
LOAD, /**< enum value for load property */
DIM, /**< enum value for dimension of cell property */
CENTER, /**< enum value for center of cell property */
MASS_POS, /**< enum value for center of mass position property */
};
#endif //PROJECT_CONSTANTS_HPP

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