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/***************************************************************************
tnlFunctionAdapter.h - description
-------------------
begin : Nov 28, 2014
copyright : (C) 2014 by Tomas Oberhuber
email : tomas.oberhuber@fjfi.cvut.cz
***************************************************************************/
/***************************************************************************
* *
* This program 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef TNLFUNCTIONADAPTER_H_
#define TNLFUNCTIONADAPTER_H_
#include <functions/tnlConstantFunction.h>
template< typename Mesh,
typename Function >
class tnlFunctionAdapter
{
public:
typedef Mesh MeshType;
typedef Function FunctionType;
typedef typename FunctionType::RealType RealType;
typedef typename MeshType::IndexType IndexType;
template< int MeshEntityDimension >
#ifdef HAVE_CUDA
__device__ __host__
#endif
RealType getValue( const MeshType& mesh,
const FunctionType& function,
const IndexType index,
const RealType& time = 0.0 )
{
return function.getValue( mesh.template getEntityCenter< MeshEntityDimension >,
time );
}
};
/****
* Specialization for constant function
* - it does not ask the mesh for the mesh entity center
*/
template< typename Mesh,
int FunctionDimensions,
typename Real >
class tnlFunctionAdapter< Mesh, tnlConstantFunction< FunctionDimensions, Real > >
{
public:
typedef Mesh MeshType;
typedef tnlConstantFunction< FunctionDimensions, Real > FunctionType;
typedef typename FunctionType::RealType RealType;
typedef typename MeshType::IndexType IndexType;
typedef typename MeshType::VertexType VertexType;
template< int MeshEntityDimension >
#ifdef HAVE_CUDA
__device__ __host__
#endif
RealType getValue( const MeshType& mesh,
const FunctionType& function,
const IndexType index,
const RealType& time = 0.0 )
{
VertexType v;
return function.getValue( v, time );
}
};
/****
* Specialization for grids
* - it takes grid coordinates for faster entity center evaluation
*/
template< int Dimensions,
typename Real,
typename Device,
typename Index,
typename Function >
class tnlFunctionAdapter< tnlGrid< Dimensions, Real, Device, Index >, Function >
{
public:
typedef tnlGrid< Dimensions, Real, Device, Index > MeshType;
typedef Function FunctionType;
typedef Real RealType;
typedef Index IndexType;
typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::CoordinatesType CoordinatesType;
#ifdef HAVE_CUDA
__device__ __host__
#endif
RealType getValue( const MeshType& mesh,
const FunctionType& function,
const IndexType index,
const CoordinatesType& coordinates,
const RealType& time = 0.0 )
{
return function.getValue( mesh.template getCellCenter( coordinates ),
time );
}
};
/****
* Specialization for grids and constant function
* - it takes grid coordinates for faster entity center evaluation
*/
template< int Dimensions,
typename Real,
typename Device,
typename Index >
class tnlFunctionAdapter< tnlGrid< Dimensions, Real, Device, Index >,
tnlConstantFunction< Dimensions, Real > >
{
public:
typedef tnlGrid< Dimensions, Real, Device, Index > MeshType;
typedef tnlConstantFunction< Dimensions, Real > FunctionType;
typedef Real RealType;
typedef Index IndexType;
typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::CoordinatesType CoordinatesType;
#ifdef HAVE_CUDA
__device__ __host__
#endif
RealType getValue( const MeshType& mesh,
const FunctionType& function,
const IndexType index,
const CoordinatesType& coordinates,
const RealType& time = 0.0 )
{
VertexType v;
return function.getValue( v, time );
}
};
/****
* Specialization for mesh functions
*/
template< typename Mesh,
typename Real,
typename Device,
typename Index >
class tnlFunctionAdapter< Mesh, tnlVector< Real, Device, Index > >
{
public:
typedef Mesh MeshType;
typedef tnlVector< Real, Device, Index > FunctionType;
typedef Real RealType;
typedef Index IndexType;
#ifdef HAVE_CUDA
__device__ __host__
#endif
RealType getValue( const MeshType& mesh,
const FunctionType& function,
const IndexType index,
const RealType& time = 0.0 )
{
return function[ index ];
}
};
/****
* Specialization for mesh functions
*/
template< typename Mesh,
typename Real,
typename Device,
typename Index >
class tnlFunctionAdapter< Mesh, tnlSharedVector< Real, Device, Index > >
: public tnlFunctionAdapter< Mesh, tnlVector< Real, Device, Index > >
{
public:
typedef tnlSharedVector< Real, Device, Index > FunctionType;
};
/****
* Specialization for mesh functions and grids
*/
template< int Dimensions,
typename Real,
typename Device,
typename Index >
class tnlFunctionAdapter< tnlGrid< Dimensions, Real, Device, Index >,
tnlVector< Real, Device, Index > >
{
public:
typedef tnlGrid< Dimensions, Real, Device, Index > MeshType;
typedef tnlVector< Real, Device, Index > FunctionType;
typedef Real RealType;
typedef Index IndexType;
typedef typename MeshType::CoordinatesType CoordinatesType;
#ifdef HAVE_CUDA
__device__ __host__
#endif
RealType getValue( const MeshType& mesh,
const FunctionType& function,
const IndexType index,
const CoordinatesType& coordinates,
const RealType& time = 0.0 )
{
return function[ index ];
}
};
/****
* Specialization for mesh functions and grids
*/
template< int Dimensions,
typename Real,
typename Device,
typename Index >
class tnlFunctionAdapter< tnlGrid< Dimensions, Real, Device, Index >,
tnlSharedVector< Real, Device, Index > >
: public tnlFunctionAdapter< tnlGrid< Dimensions, Real, Device, Index >,
tnlVector< Real, Device, Index > >
{
public:
typedef tnlSharedVector< Real, Device, Index > FunctionType;
};
#endif /* TNLFUNCTIONADAPTER_H_ */