GGEMSPseudoRandomGenerator.hh

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#ifndef GUARD_GGEMS_RANDOMS_GGEMSPSEUDORANDOMGENERATOR_HH
#define GUARD_GGEMS_RANDOMS_GGEMSPSEUDORANDOMGENERATOR_HH
 
// ************************************************************************
// * This file is part of GGEMS.                                          *
// *                                                                      *
// * GGEMS is free software: you can redistribute it and/or modify        *
// * it under the terms of the GNU General Public License as published by *
// * the Free Software Foundation, either version 3 of the License, or    *
// * (at your option) any later version.                                  *
// *                                                                      *
// * GGEMS is distributed in the hope that it will be useful,             *
// * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
// * GNU General Public License for more details.                         *
// *                                                                      *
// * You should have received a copy of the GNU General Public License    *
// * along with GGEMS.  If not, see <https://www.gnu.org/licenses/>.      *
// *                                                                      *
// ************************************************************************
 
#include "GGEMS/global/GGEMSConfiguration.hh"
#include "GGEMS/global/GGEMSOpenCLManager.hh"
 
class GGEMS_EXPORT GGEMSPseudoRandomGenerator
{
  public:
    GGEMSPseudoRandomGenerator(void);
 
    ~GGEMSPseudoRandomGenerator(void);
 
  public:
    GGEMSPseudoRandomGenerator(GGEMSPseudoRandomGenerator const& random) = delete;
 
    GGEMSPseudoRandomGenerator& operator=(GGEMSPseudoRandomGenerator const& random) = delete;
 
    GGEMSPseudoRandomGenerator(GGEMSPseudoRandomGenerator const&& random) = delete;
 
    GGEMSPseudoRandomGenerator& operator=(GGEMSPseudoRandomGenerator const&& random) = delete;
 
    void Initialize(GGuint const& seed);
 
    void SetSeed(GGuint const& seed);
 
    void PrintInfos(void) const;
 
    inline cl::Buffer* GetPseudoRandomNumbers(GGsize const& thread_index) const {return pseudo_random_numbers_[thread_index];};
 
  private:
    void AllocateRandom(void);
 
    void InitializeSeeds(void);
 
    GGuint GenerateSeed(void) const;
 
  private:
    cl::Buffer** pseudo_random_numbers_; 
    GGsize number_activated_devices_; 
    GGuint seed_; 
};
 
#endif // End of GUARD_GGEMS_RANDOMS_PSEUDO_RANDOM_GENERATOR_HH