/usr/include/m4rie/echelonform.h is in libm4rie-dev 20140914-1.
This file is owned by root:root, with mode 0o644.
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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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /**
* \file echelonform.h
*
* \brief Echelon forms.
*
* \author Martin Albrecht <martinralbrecht@googlemail.com>
*/
#ifndef M4RIE_ECHELONFORM_H
#define M4RIE_ECHELONFORM_H
/******************************************************************************
*
* M4RIE: Linear Algebra over GF(2^e)
*
* Copyright (C) 2010,2011 Martin Albrecht <martinralbrecht@googlemail.com>
*
* Distributed under the terms of the GNU General Public License (GEL)
* version 2 or higher.
*
* This code 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.
*
* The full text of the GPL is available at:
*
* http://www.gnu.org/licenses/
******************************************************************************/
#include <m4rie/mzed.h>
#include <m4rie/mzd_slice.h>
#include <m4rie/conversion.h>
/**
* \brief Compute row echelon forms using PLE decomposition.
*
* Compute the (reduced) row echelon form of the matrix A. If full=0,
* then return the reduced row echelon. This function reduces echelon
* forms to PLE (or PLUQ) decomposition.
*
* \param A Matrix
* \param full REF or RREF.
*
* \ingroup Echelon
*/
rci_t mzd_slice_echelonize_ple(mzd_slice_t *A, int full);
/**
* \brief Compute row echelon forms using PLE decomposition.
*
* Compute the (reduced) row echelon form of the matrix A. If full=0,
* then return the reduced REF. This function reduces echelon forms to
* PLE (or PLUQ) decomposition.
*
* \param A Matrix
* \param full REF or RREF.
*
* \ingroup Echelon
*
* \note This function converts A to bitslice representation and
* back. Hence, it uses more memory than using
* mzed_echelonize_newton_john() or mzd_slice_echelonize_ple()
*/
static inline rci_t mzed_echelonize_ple(mzed_t *A, int full) {
mzd_slice_t *a = mzed_slice(NULL, A);
rci_t r = mzd_slice_echelonize_ple(a, full);
mzed_cling(A, a);
mzd_slice_free(a);
return r;
}
/**
* \brief Compute row echelon forms.
*
* Compute the (reduced) row echelon form of the matrix A. If full=0,
* then return the reduced REF.
*
* \param A Matrix
* \param full REF or RREF.
*
* \ingroup Echelon
*/
#define mzd_slice_echelonize mzd_slice_echelonize_ple
/**
* \brief Compute row echelon forms.
*
* Compute the (reduced) row echelon form of the matrix A. If full=0,
* then return the reduced row echelon form.
*
* \param A Matrix
* \param full REF or RREF.
*
* \ingroup Echelon
*/
rci_t mzed_echelonize(mzed_t *A, int full);
#endif //M4RIE_ECHELONFORM_H
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