source: proiecte/NBody/NBody 2.0/NBody_main.cpp @ 34

#include "NBody.hpp"

//----------------------
 extern int numBodies;                                  

 void* me;                                                              // Pointing to NBody class; 

 FILE *snapshotsFile, *diagnosticsFile; // Represent the files that will retain the snapshots 
                                                                                // and diagnostics;
 FILE *inputDataFile;                                   // Represents the file for inputData for paricles;

//----------------------
extern void startOpenGLSimulation(int argc, char * argv[]);


/////////////////////////////////// MAIN Func \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
//
// Here starts the application
//
/////////////////////////////////// MAIN Func \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

int main(int argc, char * argv[])
{
    NBody clNBody("OpenCL NBody");
    me = &clNBody;
        
        //--------------------------------
        // Open file for input data if this option is
        // activated:
        if (readInputData){
                inputDataFile = fopen(inputDataFileName, "r");
                if(inputDataFile == NULL)
                {
                        std::cout << "Error opening inputData file." << std::endl;
                        return 1;
                }
        }

        //--------------------------------
        // Open files for output data:
        snapshotsFile = fopen(snapshotFileName, "w");
        if(snapshotsFile == NULL)
        {
                std::cout << "Error opening snapshots file." << std::endl;
                return 1;
        }

        diagnosticsFile = fopen(diagnosticFileName, "w");
        if(diagnosticsFile == NULL)
        {
                std::cout << "Error opening diagnostics file." << std::endl;
                return 1;
        }

        //--------------------------------
        // Initialize particles:
        if(clNBody.setupNBody()!= 0){           // SDK_SUCCESS == 0;
        return 1;
        }

        //--------------------------------
        // Initialize OpenCL env:
        if(clNBody.setupCL()!= 0){                      // SDK_SUCCESS == 0;
        return 1;
        }

        //--------------------------------
        // Build CL kernel program executable:
        if(clNBody.setupCLProgram() != 0){      // SDK_SUCCESS == 0;
        return 1;
        }

        //--------------------------------
    // Create kernels and set arguments to Kernels:
        if(clNBody.setupCLKernels()!= 0){       // SDK_SUCCESS == 0;
                return 1;
    }

        //--------------------------------
        // Start the simulation:
        std::cout << std::endl;
        std::cout << "============================" << std::endl;
        std::cout << "Simulation started..." << std::endl;
        std::cout << std::endl;

        time ( &rawtime );
        timeinfo = localtime ( &rawtime );
        std::cout << "Start time and date: " << asctime (timeinfo) << std::endl;

        startOpenGLSimulation(argc, argv);

        //--------------------------------
        // Clean memory allocation:
        if(clNBody.cleanup() != 0){                     // SDK_SUCCESS == 0;
                return 1;
        }

        fclose(snapshotsFile);
        fclose(diagnosticsFile);

        return 0;
}