language: C++ 4.7.2 (gcc-4.7.2)
date: 497 days 9 hours ago
link:
visibility: public 
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#include <iostream>
#include <algorithm>
#include <vector>
#include <functional>
#include <math.h>
 
 
using namespace std;
 
class firefly{
 
private:
 
float threshold;//livello dell'eccitazione
float period;//periodo dell' "oscillazione"
float lin_slope;//pendenza del fronte d'onda, non so se sia necessaria
float x, y;//coordinate 2D della lucciola 
float flash_time; 
float phase;
 
public:
 
firefly(int, int, float, float);
firefly();
firefly(const firefly& a);
 
float get_time();
void receive_flash(std :: vector<firefly>&, float, float, int);
friend bool operator < (const firefly&, const firefly&);
};
 
firefly :: firefly() {}
 
firefly ( const& firefly a ) : lato_x(a.lato_x), lato_y(a.lato_y), threshold(a.threshold), period(a.period), lin_slope(a.lin_slope) 
 
    {
       
       time_flash = ( rand() %(b*1000) ) /1000;
                 
                 x = ( rand() %(lato_x*1000) )/1000;
 
                 y = ( rand() %(lato_y*1000) )/1000;
              
        }
        
        
 
firefly :: firefly (int latoX, int latoY, float max_exc, float periodo) : lato_x(latoX), lato_y(latoY), 
 
threshold(max_exc), period(periodo), lin_slope(max_exc/periodo)
 
     {
 
        
                 time_flash = ( rand() %(b*1000) ) /1000;
                 
                 x = ( rand() %(lato_x*1000) )/1000;
 
                 y = ( rand() %(lato_y*1000) )/1000;
              
               
              
         }
 
 
 
float firefly :: get_time () {return time_flash;}
 
                       
 
firefly :: receive_flash(vector<firefly>* vec, float b, float e, int j) {
 
 
         //alfa e beta servono per calcolare l'incremento della fase phase:
         //phase + delta(phase) = min{ alfa*phase + beta, 1 }
         
         
         float alfa = exp(b*e);
         float beta = (exp(b*e) - 1)/(exp(b) - 1);
         
                
         for (int i = j + 1; i < vec.size(); i++)
                     
                        
                          {
                      
                            vec[j].phase = 0.;
                            
                            vec[j].phase += ( vec[i].time_flash - vec[j].time_flash ) * vec[i].lin_slope;
                            
                            float diff = alfa*phase + beta;
                            
                            float phase_plus_delta_phase = (diff < 1. ? diff : 1.);
                            
                            vec[j].time_flash = vec[i].time_flash;
                            
                            if ( phase_plus_delta_phase == 1.) break;                   
                            
                            };
                                                                      
                                                                                                       
                     }
                     
                     
                     
    bool operator<(const firefly& rhs, const firefly& lhs)
 
      {
      
        float a, b;
        
        a = rhs.get_time(); b = lhs.get_time();
        
        return a < b;
        
        }
        
 
int main() {
 
cout << "Quante Lucciole?\n";
 
int number;
 
cin  >> number;
 
vector <firefly> fire_vec(10, firefly(5, 5,(float) 1., (float)1.) );
 
sort(fire_vec.begin(), fire_vec.end());
 
cout << "How many iterations?\n";
 
int numb_iterations;
 
float beta, epsilon;
 
    cin >> numb_iterations;
 
cout << "Beta?\n";
 
    cin >> beta;
 
cout << "Epsilon\n";
 
    cin >> epsilon;
 
for (int i = 0; i < numb_iteration; i++)
 
     {
           
      for (int j = 0; j < fire_vec.size(); j++)
      
         {
         
           fire_vec[j].receive_flash(fire_vec, beta, epsilon, j);
           
           };
           
      sort(fire_vec.begin(), fire_vec.end());
           
        };
        
      
      
      }//end main()
 
 
 
prog.cpp:34: error: expected unqualified-id before ‘const’
prog.cpp:34: error: expected `)' before ‘const’
prog.cpp: In constructor ‘firefly::firefly(int, int, float, float)’:
prog.cpp:48: error: class ‘firefly’ does not have any field named ‘lato_x’
prog.cpp:48: error: class ‘firefly’ does not have any field named ‘lato_y’
prog.cpp:55: error: ‘time_flash’ was not declared in this scope
prog.cpp:55: error: ‘b’ was not declared in this scope
prog.cpp:57: error: ‘lato_x’ was not declared in this scope
prog.cpp:59: error: ‘lato_y’ was not declared in this scope
prog.cpp: In member function ‘float firefly::get_time()’:
prog.cpp:67: error: ‘time_flash’ was not declared in this scope
prog.cpp: At global scope:
prog.cpp:71: error: ISO C++ forbids declaration of ‘receive_flash’ with no type
prog.cpp:71: error: prototype for ‘int firefly::receive_flash(std::vector<firefly, std::allocator<firefly> >*, float, float, int)’ does not match any in class ‘firefly’
prog.cpp:28: error: candidate is: void firefly::receive_flash(std::vector<firefly, std::allocator<firefly> >&, float, float, int)
prog.cpp: In function ‘bool operator<(const firefly&, const firefly&)’:
prog.cpp:112: error: passing ‘const firefly’ as ‘this’ argument of ‘float firefly::get_time()’ discards qualifiers
prog.cpp:112: error: passing ‘const firefly’ as ‘this’ argument of ‘float firefly::get_time()’ discards qualifiers
prog.cpp: In function ‘int main()’:
prog.cpp:147: error: ‘numb_iteration’ was not declared in this scope
prog.cpp:151: warning: comparison between signed and unsigned integer expressions