/usr/include/linbox/algorithms/blackbox-container.h is in liblinbox-dev 1.1.6~rc0-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* linbox/algorithms/blackbox-container.h
* Copyright (C) 1999, 2001 Jean-Guillaume Dumas, Bradford Hovinen
*
* Written by Jean-Guillaume Dumas <Jean-Guillaume.Dumas@imag.fr>,
* Bradford Hovinen <hovinen@cis.udel.edu>
*
* ------------------------------------
*
* See COPYING for license information.
*/
#ifndef __BLACKBOX_CONTAINER_H
#define __BLACKBOX_CONTAINER_H
#include <linbox/randiter/archetype.h>
#include <linbox/algorithms/blackbox-container-base.h>
#include <linbox/util/timer.h>
namespace LinBox
{
/// \brief Limited doc so far.
template<class Field, class _Blackbox, class RandIter = typename Field::RandIter>
class BlackboxContainer : public BlackboxContainerBase<Field, _Blackbox> {
public:
typedef _Blackbox Blackbox;
BlackboxContainer () {}
template<class Vector>
BlackboxContainer(const Blackbox * D, const Field &F, const Vector &u0)
: BlackboxContainerBase<Field, Blackbox> (D, F)
{
init (u0, u0); w = this->u;
#ifdef INCLUDE_TIMING
_applyTime = _dotTime = 0.0;
#endif
}
// Pascal Giorgi 16.02.2004
template<class Vector>
BlackboxContainer(const Blackbox * D, const Field &F, const Vector &u0, unsigned long size)
: BlackboxContainerBase<Field, Blackbox> (D, F,size)
{
init (u0, u0); w = this->u;
#ifdef INCLUDE_TIMING
_applyTime = _dotTime = 0.0;
#endif
}
template<class Vector1, class Vector2>
BlackboxContainer(const Blackbox * D, const Field &F, const Vector1 &u0, const Vector2& v0)
: BlackboxContainerBase<Field, Blackbox> (D, F)
{
init (u0, v0); w = this->v;
#ifdef INCLUDE_TIMING
_applyTime = _dotTime = 0.0;
#endif
}
BlackboxContainer(const Blackbox * D, const Field &F, RandIter &g)
: BlackboxContainerBase<Field, Blackbox> (D, F)
{
init (g); w = this->u;
#ifdef INCLUDE_TIMING
_applyTime = _dotTime = 0.0;
#endif
}
#ifdef INCLUDE_TIMING
double applyTime () const { return _applyTime; }
double dotTime () const { return _dotTime; }
#endif // INCLUDE_TIMING
protected:
std::vector<typename Field::Element> w;
#ifdef INCLUDE_TIMING
Timer _timer;
double _applyTime, _dotTime;
#endif // INCLUDE_TIMING
void _launch () {
if (this->casenumber) {
#ifdef INCLUDE_TIMING
_timer.start ();
#endif // INCLUDE_TIMING
this->_BB->apply (this->v, w); // GV
#ifdef INCLUDE_TIMING
_timer.stop ();
_applyTime += _timer.realtime ();
_timer.start ();
#endif // INCLUDE_TIMING
this->_VD.dot (this->_value, this->u, this->v); // GV
#ifdef INCLUDE_TIMING
_timer.stop ();
_dotTime += _timer.realtime ();
#endif // INCLUDE_TIMING
this->casenumber = 0;
} else {
#ifdef INCLUDE_TIMING
_timer.start ();
#endif // INCLUDE_TIMING
this->_BB->apply (w, this->v); // GV
#ifdef INCLUDE_TIMING
_timer.stop ();
_applyTime += _timer.realtime ();
_timer.start ();
#endif // INCLUDE_TIMING
this->_VD.dot (this->_value, this->u, w); // GV
#ifdef INCLUDE_TIMING
_timer.stop ();
_dotTime += _timer.realtime ();
#endif // INCLUDE_TIMING
this->casenumber = 1;
}
}
void _wait () {}
};
}
#endif // __BLACKBOX_CONTAINER_H
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