/usr/include/rheolef/tensor-eig3.h is in librheolef-dev 6.7-6.
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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 | #ifndef _RHEOLEF_TENSOR_EIG3_H
#define _RHEOLEF_TENSOR_EIG3_H
///
/// This file is part of Rheolef.
///
/// Copyright (C) 2000-2009 Pierre Saramito <Pierre.Saramito@imag.fr>
///
/// Rheolef 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.
///
/// Rheolef 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 Rheolef; if not, write to the Free Software
/// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
///
/// =========================================================================
namespace rheolef {
// Eigen-decomposition for symmetric 3x3 real matrices.
// inspirated from the public domain Java library JAMA
// Symmetric matrix A => eigenvectors in columns of V, corresponding
// eigenvalues in d
template<class T>
void eigen_decomposition (const tensor_basic<T>& A, tensor_basic<T>& V, point_basic<T>& d);
}// namespace rheolef
#endif // _RHEOLEF_TENSOR_EIG3_H
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