/usr/include/trilinos/RTOpPack_ROpNorm2.hpp is in libtrilinos-rtop-dev 12.4.2-2.
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 | // @HEADER
// ***********************************************************************
//
// RTOp: Interfaces and Support Software for Vector Reduction Transformation
// Operations
// Copyright (2006) 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 Roscoe A. Bartlett (rabartl@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef RTOPPACK_ROP_NORM2_HPP
#define RTOPPACK_ROP_NORM2_HPP
#include "RTOpPack_RTOpTHelpers.hpp"
namespace RTOpPack {
/** \brief . */
template<class Scalar>
class ROpNorm2EleWiseReduction
{
public:
void operator()( const Scalar &v0, Scalar &reduct ) const
{
reduct += ScalarTraits<Scalar>::conjugate(v0)*v0;
}
};
/** \brief Two (Euclidean) norm reduction operator: <tt>result = sqrt( sum(
* conj(v0[i])*v0[i], i=0...n-1 ) )</tt>.
*/
template<class Scalar>
class ROpNorm2
: public ROp_1_ScalarReduction<Scalar, Scalar, ROpNorm2EleWiseReduction<Scalar> >
{
public:
/** \brief . */
typedef Teuchos::ScalarTraits<Scalar> ST;
/** \brief . */
ROpNorm2()
{
this->setOpNameBase("ROpNorm2");
}
/** \brief . */
typename ST::magnitudeType operator()(const ReductTarget& reduct_obj) const
{
const Scalar sqrt_reduct = ST::squareroot(this->getRawVal(reduct_obj));
return ST::magnitude(sqrt_reduct);
}
};
} // namespace RTOpPack
#endif // RTOPPACK_ROP_NORM2_HPP
|