Random.h

/***************************************************************************
    The Base Framework
    A framework for developing platform independent applications
 
    See COPYRIGHT.txt for details.
 
    This framework 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.
 
    For the licensing terms refer to the file 'LICENSE'.
 ***************************************************************************/
 
#pragma once
 
#include <base/concurrency/SpinLock.h>
 
_COM_AZURE_DEV__BASE__ENTER_NAMESPACE
 
namespace RandomImpl {
 
  template<unsigned int ID>
  class Traits {
  };
 
};
 
// TAG: rename
class _COM_AZURE_DEV__BASE__API RandomLegacy {
  friend class Initialization;
public:
 
  enum Generator {MT11213A = 0, MT11213B = 1, MT19937 = 2, TT800 = 3};
  typedef RandomImpl::Traits<TT800> Traits;
private:
 
  static unsigned int state[];
  static unsigned int nextWord;
  static SpinLock spinLock;
public:
 
  static void randomize() noexcept;
 
  static void randomize(unsigned int seed) noexcept;
 
  static unsigned int getInteger() noexcept;
 
  static inline float getFloat() noexcept {
    return static_cast<float>((1.0/0xffffffff) * getInteger());
  }
 
  static inline double getDouble() noexcept {
    return (1.0/0xffffffff) * getInteger();
  }
 
  static inline long double getLongDouble() noexcept {
    return (1.0L/0xffffffff) * getInteger();
  }
};
 
_COM_AZURE_DEV__BASE__LEAVE_NAMESPACE