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Updating kokkos lib

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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@14918 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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stamoor
2016-05-02 22:06:50 +00:00
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lib/kokkos/example/fixture/HexElement.hpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// 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 the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "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 SANDIA CORPORATION OR THE
// 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.
//
// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#ifndef KOKKOS_HEXELEMENT_HPP
#define KOKKOS_HEXELEMENT_HPP
namespace Kokkos {
namespace Example {
template< unsigned NodeCount >
class HexElement_TensorData ;
template< unsigned NodeCount , class Device >
class HexElement_TensorEval ;
//----------------------------------------------------------------------------
/** \brief Evaluate Hex element on interval [-1,1]^3 */
template<>
class HexElement_TensorData< 8 > {
public:
static const unsigned element_node_count = 8 ;
static const unsigned spatial_dimension = 3 ;
static const unsigned integration_count_1d = 2 ;
static const unsigned function_count_1d = 2 ;
float values_1d [ function_count_1d ][ integration_count_1d ];
float derivs_1d [ function_count_1d ][ integration_count_1d ];
float weights_1d[ integration_count_1d ];
unsigned char eval_map[ element_node_count ][4] ;
static float eval_value_1d( const unsigned jf , const float x )
{
return 0 == jf ? 0.5 * ( 1.0 - x ) : (
1 == jf ? 0.5 * ( 1.0 + x ) : 0 );
}
static float eval_deriv_1d( const unsigned jf , const float )
{
return 0 == jf ? -0.5 : (
1 == jf ? 0.5 : 0 );
}
HexElement_TensorData()
{
const unsigned char tmp_map[ element_node_count ][ spatial_dimension ] =
{ { 0 , 0 , 0 },
{ 1 , 0 , 0 },
{ 1 , 1 , 0 },
{ 0 , 1 , 0 },
{ 0 , 0 , 1 },
{ 1 , 0 , 1 },
{ 1 , 1 , 1 },
{ 0 , 1 , 1 } };
weights_1d[0] = 1 ;
weights_1d[1] = 1 ;
const float points_1d[ integration_count_1d ] =
{ -0.577350269 , 0.577350269 };
for ( unsigned i = 0 ; i < element_node_count ; ++i ) {
eval_map[i][0] = tmp_map[i][0];
eval_map[i][1] = tmp_map[i][1];
eval_map[i][2] = tmp_map[i][2];
}
for ( unsigned xp = 0 ; xp < integration_count_1d ; ++xp ) {
for ( unsigned xf = 0 ; xf < function_count_1d ; ++xf ) {
values_1d[xp][xf] = eval_value_1d( xf , points_1d[xp] );
derivs_1d[xp][xf] = eval_deriv_1d( xf , points_1d[xp] );
}}
}
};
//----------------------------------------------------------------------------
template<>
class HexElement_TensorData< 27 > {
public:
static const unsigned element_node_count = 27 ;
static const unsigned spatial_dimension = 3 ;
static const unsigned integration_count_1d = 3 ;
static const unsigned function_count_1d = 3 ;
float values_1d [ function_count_1d ][ integration_count_1d ];
float derivs_1d [ function_count_1d ][ integration_count_1d ];
float weights_1d[ integration_count_1d ];
unsigned char eval_map[ element_node_count ][4] ;
// sizeof(EvaluateElementHex) = 111 bytes =
// sizeof(float) * 9 +
// sizeof(float) * 9 +
// sizeof(float) * 3 +
// sizeof(char) * 27
static float eval_value_1d( const unsigned jf , const float p )
{
return 0 == jf ? 0.5 * p * ( p - 1 ) : (
1 == jf ? 1.0 - p * p : (
2 == jf ? 0.5 * p * ( p + 1 ) : 0 ));
}
static float eval_deriv_1d( const unsigned jf , const float p )
{
return 0 == jf ? p - 0.5 : (
1 == jf ? -2.0 * p : (
2 == jf ? p + 0.5 : 0 ));
}
HexElement_TensorData()
{
const unsigned char tmp_map[ element_node_count ][ spatial_dimension ] =
{ { 0 , 0 , 0 },
{ 2 , 0 , 0 },
{ 2 , 2 , 0 },
{ 0 , 2 , 0 },
{ 0 , 0 , 2 },
{ 2 , 0 , 2 },
{ 2 , 2 , 2 },
{ 0 , 2 , 2 },
{ 1 , 0 , 0 },
{ 2 , 1 , 0 },
{ 1 , 2 , 0 },
{ 0 , 1 , 0 },
{ 0 , 0 , 1 },
{ 2 , 0 , 1 },
{ 2 , 2 , 1 },
{ 0 , 2 , 1 },
{ 1 , 0 , 2 },
{ 2 , 1 , 2 },
{ 1 , 2 , 2 },
{ 0 , 1 , 2 },
{ 1 , 1 , 1 },
{ 1 , 1 , 0 },
{ 1 , 1 , 2 },
{ 0 , 1 , 1 },
{ 2 , 1 , 1 },
{ 1 , 0 , 1 },
{ 1 , 2 , 1 } };
// Interval [-1,1]
weights_1d[0] = 0.555555556 ;
weights_1d[1] = 0.888888889 ;
weights_1d[2] = 0.555555556 ;
const float points_1d[3] = { -0.774596669 ,
0.000000000 ,
0.774596669 };
for ( unsigned i = 0 ; i < element_node_count ; ++i ) {
eval_map[i][0] = tmp_map[i][0];
eval_map[i][1] = tmp_map[i][1];
eval_map[i][2] = tmp_map[i][2];
}
for ( unsigned xp = 0 ; xp < integration_count_1d ; ++xp ) {
for ( unsigned xf = 0 ; xf < function_count_1d ; ++xf ) {
values_1d[xp][xf] = eval_value_1d( xf , points_1d[xp] );
derivs_1d[xp][xf] = eval_deriv_1d( xf , points_1d[xp] );
}}
}
};
//----------------------------------------------------------------------------
template< unsigned NodeCount >
class HexElement_Data {
public:
static const unsigned spatial_dimension = 3 ;
static const unsigned element_node_count = NodeCount ;
static const unsigned integration_count = NodeCount ;
static const unsigned function_count = NodeCount ;
float weights[ integration_count ] ;
float values[ integration_count ][ function_count ];
float gradients[ integration_count ][ spatial_dimension ][ function_count ];
HexElement_Data()
{
HexElement_TensorData< NodeCount > tensor_data ;
for ( unsigned ip = 0 ; ip < integration_count ; ++ip ) {
const unsigned ipx = tensor_data.eval_map[ip][0] ;
const unsigned ipy = tensor_data.eval_map[ip][1] ;
const unsigned ipz = tensor_data.eval_map[ip][2] ;
weights[ip] = tensor_data.weights_1d[ ipx ] *
tensor_data.weights_1d[ ipy ] *
tensor_data.weights_1d[ ipz ] ;
for ( unsigned jf = 0 ; jf < function_count ; ++jf ) {
const unsigned jfx = tensor_data.eval_map[jf][0] ;
const unsigned jfy = tensor_data.eval_map[jf][1] ;
const unsigned jfz = tensor_data.eval_map[jf][2] ;
values[ip][jf] = tensor_data.values_1d[ ipx ][ jfx ] *
tensor_data.values_1d[ ipy ][ jfy ] *
tensor_data.values_1d[ ipz ][ jfz ] ;
gradients[ip][0][jf] = tensor_data.derivs_1d[ ipx ][ jfx ] *
tensor_data.values_1d[ ipy ][ jfy ] *
tensor_data.values_1d[ ipz ][ jfz ] ;
gradients[ip][1][jf] = tensor_data.values_1d[ ipx ][ jfx ] *
tensor_data.derivs_1d[ ipy ][ jfy ] *
tensor_data.values_1d[ ipz ][ jfz ] ;
gradients[ip][2][jf] = tensor_data.values_1d[ ipx ][ jfx ] *
tensor_data.values_1d[ ipy ][ jfy ] *
tensor_data.derivs_1d[ ipz ][ jfz ] ;
}
}
}
};
//----------------------------------------------------------------------------
} /* namespace Example */
} /* namespace Kokkos */
#endif /* #ifndef KOKKOS_HEXELEMENT_HPP */