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reorganize meta loop unrolling, add Trace (meta-unrolled), fix compilation issues in

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the conjugation/adjunction stuff
This commit is contained in:
Benoit Jacob
2007-10-07 16:40:49 +00:00
parent 4fe78b8e10
commit 95b3316701
6 changed files with 102 additions and 23 deletions
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67
src/Core/CopyHelper.h Normal file
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra. Eigen itself is part of the KDE project.
//
// Copyright (C) 2007 Michael Olbrich <michael.olbrich@gmx.net>
// Copyright (C) 2006-2007 Benoit Jacob <jacob@math.jussieu.fr>
//
// Eigen 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 or (at your option) any later version.
//
// Eigen 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 Eigen; if not, write to the Free Software Foundation, Inc., 51
// Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. This exception does not invalidate any other reasons why a work
// based on this file might be covered by the GNU General Public License.
#ifndef EI_COPYHELPER_H
#define EI_COPYHELPER_H
template<int UnrollCount, int Rows> class EiCopyHelperUnroller
{
static const int col = (UnrollCount-1) / Rows;
static const int row = (UnrollCount-1) % Rows;
public:
template <typename Derived1, typename Derived2>
static void run(Derived1 &dst, const Derived2 &src)
{
EiCopyHelperUnroller<UnrollCount-1, Rows>::run(dst, src);
dst.write(row, col) = src.read(row, col);
}
};
template<int Rows> class EiCopyHelperUnroller<0, Rows>
{
public:
template <typename Derived1, typename Derived2>
static void run(Derived1 &dst, const Derived2 &src)
{
EI_UNUSED(dst);
EI_UNUSED(src);
}
};
template<typename Scalar, typename Derived>
template<typename OtherDerived>
void EiObject<Scalar, Derived>::_copy_helper(const EiObject<Scalar, OtherDerived>& other)
{
if(UnrollCount > 0 && UnrollCount <= EI_LOOP_UNROLLING_LIMIT)
EiCopyHelperUnroller<UnrollCount, RowsAtCompileTime>::run(*this, other);
else
for(int i = 0; i < rows(); i++)
for(int j = 0; j < cols(); j++)
write(i, j) = other.read(i, j);
}
#endif // EI_COPYHELPER_H