/usr/include/linbox/algorithms/gauss/gauss-det.inl is in liblinbox-dev 1.3.2-1.1build2.
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* Copyright (C) 2009 The LinBox group
*
// Time-stamp: <15 Jun 10 17:20:08 Jean-Guillaume.Dumas@imag.fr>
*
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*.
*
* SparseElimination determinant calls
*/
#ifndef __LINBOX_gauss_det_INL
#define __LINBOX_gauss_det_INL
namespace LinBox
{
template <class _Field>
template <class Matrix> inline typename GaussDomain<_Field>::Element&
GaussDomain<_Field>::detin(Element &determinant,
Matrix &A,
unsigned long Ni,
unsigned long Nj,
SparseEliminationTraits::PivotStrategy reord) const
{
unsigned long Rank;
if (reord == SparseEliminationTraits::PIVOT_NONE)
NoReordering(Rank, determinant, A, Ni, Nj);
else
InPlaceLinearPivoting(Rank, determinant, A, Ni, Nj);
return determinant;
}
template <class _Field>
template <class Matrix> inline typename GaussDomain<_Field>::Element&
GaussDomain<_Field>::detin(Element &determinant,
Matrix &A,
SparseEliminationTraits::PivotStrategy reord) const
{
return detin(determinant, A, A.rowdim (), A.coldim (), reord);
}
template <class _Field>
template <class Matrix> inline typename GaussDomain<_Field>::Element&
GaussDomain<_Field>::det(Element &determinant,
const Matrix &A,
SparseEliminationTraits::PivotStrategy reord) const
{
return det(determinant, A, A.rowdim (), A.coldim (), reord);
}
template <class _Field>
template <class Matrix> inline typename GaussDomain<_Field>::Element&
GaussDomain<_Field>::det(Element &determinant,
const Matrix &A,
unsigned long Ni,
unsigned long Nj,
SparseEliminationTraits::PivotStrategy reord) const
{
Matrix CopyA(Ni);
for(unsigned long i = 0; i < Ni; ++i)
CopyA[i] = A[i];
return detin(determinant, CopyA, Ni, Nj, reord);
}
} // namespace LinBox
#endif // __LINBOX_gauss_det_INL
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