CpuVecRandom.h

#ifndef PSCF_CPU_VEC_RANDOM_H
#define PSCF_CPU_VEC_RANDOM_H
 
/*
* PSCF - Polymer Self-Consistent Field
*
* Copyright 2015 - 2025, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
// Forward declarations
namespace Util {
   class Random;
   template <typename T> class Array;
}
 
namespace Pscf {
 
   using namespace Util;

   class CpuVecRandom
   {
 
   public:

      CpuVecRandom();

      CpuVecRandom(Util::Random& random);

      virtual ~CpuVecRandom();

      void associate(Util::Random& random);

      void uniform(Array<double>& data);

      void uniform(Array<double>& data, double min, double max);

      void normal(Array<double>& data, double stddev, double mean = 0.0);
 
   private:

      Util::Random* randomPtr_;
 
   };
 
   #if 0
   /*
   * Returns value of random seed (private member variable idum)
   */
   inline long CpuVecRandom::seed()
   {  return randomPtr_->seed(); }
   #endif
 
}
#endif