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//=====================================================
// Copyright (C) 2012 Andrea Arteaga <andyspiros@gmail.com>
//=====================================================
//
// 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
#ifndef ACTION_RANK2UPDATE
#define ACTION_RANK2UPDATE
#include "LinearCongruential.hpp"
#include <vector>
#include <algorithm>
template<class Interface>
class Action_Rank2Update {
typedef typename Interface::Scalar Scalar;
typedef std::vector<Scalar> vector_t;
private:
// Invalidate copy constructor
Action_Rank2Update(const Action_Rank2Update&);
public:
// Constructor
Action_Rank2Update(int size)
: _size(size), lc(10),
A(lc.fillVector<Scalar>(size*size)), A_work(size*size),
x(lc.fillVector<Scalar>(size)), y(lc.fillVector<Scalar>(size))
{
MESSAGE("Action_Rank2Update Constructor");
}
// Action name
static std::string name()
{
return "Rank2Update_" + Interface::name();
}
double fpo() {
return 2*double(_size)*double(_size);
}
inline void initialize(){
std::copy(A.begin(), A.end(), A_work.begin());
}
inline void calculate() {
Interface::Rank2Update('U', _size, 1., &x[0], &y[0], &A_work[0]);
}
Scalar getResidual() {
return 0.;
}
private:
const int _size;
LinearCongruential<> lc;
const vector_t A, x, y;
vector_t A_work;
};
#endif // ACTION_RANK2UPDATE
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