/usr/include/trilinos/Stokhos_Update.hpp is in libtrilinos-stokhos-dev 12.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | // @HEADER
// ***********************************************************************
//
// Stokhos Package
// Copyright (2009) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// 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 Eric T. Phipps (etphipp@sandia.gov).
//
// ***********************************************************************
// @HEADER
#ifndef STOKHOS_UPDATE_HPP
#define STOKHOS_UPDATE_HPP
namespace Stokhos {
template< typename ValueType, typename VectorType >
class Update
{
public:
typedef VectorType vector_type;
typedef ValueType value_type;
typedef typename vector_type::execution_space execution_space;
typedef typename execution_space::size_type size_type;
vector_type m_x;
const vector_type m_y;
const value_type m_alpha;
const value_type m_beta;
Update(const value_type& alpha, vector_type& x,
const value_type& beta, const vector_type& y)
: m_x( x )
, m_y( y )
, m_alpha( alpha )
, m_beta( beta )
{}
//--------------------------------------------------------------------------
KOKKOS_INLINE_FUNCTION
void operator()( const size_type iRow ) const
{
m_x(iRow) = m_alpha * m_x(iRow) + m_beta * m_y(iRow) ;
}
static void apply(const value_type& alpha, vector_type& x,
const value_type& beta, const vector_type& y)
{
const size_t row_count = x.dimension_0();
Kokkos::parallel_for( row_count , Update(alpha,x,beta,y) );
}
};
template <typename ValueType, typename VectorType>
void update(const ValueType& alpha, VectorType& x,
const ValueType& beta, const VectorType& y)
{
Update<ValueType,VectorType>::apply( alpha , x , beta, y );
}
} // namespace Stokhos
#endif
|