freNormalVariateGeneratorController.cxx

Go to the documentation of this file.

/*=========================================================================

  Program:   F.R.E.E. - flexible registration evaluation engine
  Version:   v.1.0.0
  Date:      $Date: 2006/09/01 12:00:00 $
  Module:    $RCSfile: freNormalVariateGeneratorController.cxx,v $
  Language:  C++



  Copyright (c) 2007 Ralf o Floca (Department of Medical Informatics,
  Institute for Medical Biometry and Informatics, University of Heidelberg,
  Germany). All rights reserved.
  See FREECopyright.txt or http://www.mi.med.uni-hd.de/free/copyright.htm
  for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#include "freNormalVariateGeneratorController.h"
#include "freExceptions.h"

#include <time.h>

namespace FREE
{



DefineParameterMacro(NormalVariateGeneratorController, InitialSeed, "InitialSeed", "Seed for the variate gernerator.");
DefineParameterMacro(NormalVariateGeneratorController, UseInitialSeed, "UseInitialSeed", "Use the initial seed for initializing the variate gernerator; otherwise use actual time to initialize.");


NormalVariateGeneratorController::
NormalVariateGeneratorController()
{
  //Profile settings
  this->UpdateControllerID(ControllerID::VariateGeneratorControllerBase);
  this->UpdateControllerID(ControllerID::NormalVariateGeneratorController);
  this->m_Description = "A normal variate random generator.";
};

void
NormalVariateGeneratorController::
GenerateProfile(CtrlProfile::ControllerProfile& profile,
                const SessionComponentCache* pComponentCache,
                bool bRegardOldSetup) const
{
        //Parameters
  profile.Parameters().AddParameter(cParam_InitialSeed,CtrlProfile::Parameter::PVTInteger,cParamDsc_InitialSeed,1,"21021978");
  profile.Parameters().AddParameter(cParam_UseInitialSeed,CtrlProfile::Parameter::PVTBool,cParamDsc_UseInitialSeed,1,"false");
};

NormalVariateGeneratorController::
~NormalVariateGeneratorController()
{
};

void
NormalVariateGeneratorController::
ActualizeMainComponent(ComponentType* pMainComponent,
                       SessionComponentCache* pComponentCache, SessionInfo* pSessionInfo,
                                                                                         const unsigned int& iActLevel) const
{
  int iSeed;
        bool bUseSeed;

  try
  {
    SessionAccessor::GetParameterValue(pComponentCache,cParam_InitialSeed,iSeed,0,iActLevel,true);
    SessionAccessor::GetParameterValue(pComponentCache,cParam_UseInitialSeed,bUseSeed,0,iActLevel,true);
  }
  catchAllNPassMacro("Error while retrieving parameter values.");

        if (bUseSeed)
        {
          pMainComponent->Initialize(iSeed);
        }
        else
        {
                pMainComponent->Initialize((int)clock());
        }
};
} //end of namespace free

---