---

IVSFAB.H

Go to the documentation of this file.

/*   _______              __
    / ___/ /  ___  __ _  / /  ___
   / /__/ _ \/ _ \/  V \/ _ \/ _ \
   \___/_//_/\___/_/_/_/_.__/\___/
*/
// CHOMBO Copyright (c) 2000-2004, The Regents of the University of
// California, through Lawrence Berkeley National Laboratory (subject to
// receipt of any required approvals from U.S. Dept. of Energy).  All
// rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// (1) Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// (2) Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// (3) Neither the name of Lawrence Berkeley National Laboratory, U.S.
// Dept. of Energy nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// You are under no obligation whatsoever to provide any bug fixes,
// patches, or upgrades to the features, functionality or performance of
// the source code ("Enhancements") to anyone; however, if you choose to
// make your Enhancements available either publicly, or directly to
// Lawrence Berkeley National Laboratory, without imposing a separate
// written license agreement for such Enhancements, then you hereby grant
// the following license: a non-exclusive, royalty-free perpetual license
// to install, use, modify, prepare derivative works, incorporate into
// other computer software, distribute, and sublicense such Enhancements or
// derivative works thereof, in binary and source code form.
//
// TRADEMARKS. Product and company names mentioned herein may be the
// trademarks of their respective owners.  Any rights not expressly granted
// herein are reserved.
//

#ifndef _IVSFAB_H_
#define _IVSFAB_H_

#include <cmath>
#include <cstdlib>
#include <cassert>
#include "Vector.H"
#include "IntVectSet.H"
#include "IntVect.H"
#include "BaseFab.H"


template <class T>
class IVSFAB
{
public:

  IVSFAB();


  IVSFAB(const IntVectSet& a_region,
            const int&        a_nvarin);

  ~IVSFAB();


  void define(const IntVectSet& a_region,
              const int&        a_nvarin);


  void setVal(const T& value);

  void copy(const Box& a_fromBox,
            const Interval& a_destInterval,
            const Box& a_toBox,
            const IVSFAB<T>& a_src,
            const Interval& a_srcInterval);


  static int preAllocatable()
  {
    return 1; // symmetric allocatable.
  }

  int size(const Box& R, const Interval& comps) const ;

  void linearOut(void* buf, const Box& R, const Interval& comps) const;

  void linearIn(void* buf, const Box& R, const Interval& comps);


  void clear();


  bool
  isDefined() const;


  int numIvs() const;


  int nComp() const;


  const IntVectSet& getIVS() const;


  T& operator() (const IntVect& a_iv,const int& varlocin);
  const T& operator() (const IntVect& a_iv,const int& varlocin) const;


  const T* dataPtr(const int& a_comp) const;


  T* dataPtr(const int& a_comp) ;

  IVSFAB(const Box& a_region, int a_nVar)
  {
    MayDay::Error("invalid constructor called ");
  }


  const int* loVect() const;


  const int* hiVect() const;

  static void setVerbose(bool a_verbose);
private:
  void
  setDefaultValues();

protected:
  //get index into dataPtr
  int getIndex(const IntVect& a_iv,const int& a_comp) const;
  //has to be a pointer because we are planning to ship
  //the damned  thing to fortran.
  T* m_dataPtr;
  int m_nComp;
  int m_nIvs;
  IntVect m_loVect;
  IntVect m_hiVect;

  //this is how we map from vof to vector of data.
  //grab the vof and its intvect tells you the vector<int>
  //the integer in the vof indexes into the vof.
  //that tells you the offset into m_dataPtr
  //you further have to account for the variable number.
  //the getIndex() function encapsulates the process
  BaseFab<int> m_ivmap;
  IntVectSet m_ivs;
  bool m_isDefined;

  static bool s_verbose;
private:
  //disallowed for all the usual reasons
  IVSFAB<T>& operator= (const IVSFAB<T>&);
  IVSFAB (const IVSFAB<T>&);
};

#include "IVSFABI.H"

#endif

---