70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*=============================================================================
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This file is part of FLINT.
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FLINT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FLINT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2006, 2011 William Hart
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******************************************************************************/
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#include <gmp.h>
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#include "flint.h"
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#include "ulong_extras.h"
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#include "qsieve.h"
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#include "fmpz.h"
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void qsieve_ll_linalg_init(qs_t qs_inf)
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{
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slong i;
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qs_inf->extra_rels = 64; /* number of opportunities to factor n */
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qs_inf->max_factors = 30; /* maximum number of factors a relation can have */
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/* allow as many dups as relations */
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qs_inf->buffer_size = 2*(qs_inf->num_primes + qs_inf->extra_rels + qs_inf->qsort_rels);
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qs_inf->small = flint_malloc(qs_inf->small_primes*sizeof(mp_limb_t));
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qs_inf->factor = flint_malloc(qs_inf->max_factors*sizeof(fac_t));
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qs_inf->matrix = flint_malloc((qs_inf->buffer_size + qs_inf->qsort_rels)*sizeof(la_col_t));
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qs_inf->unmerged = qs_inf->matrix + qs_inf->buffer_size;
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qs_inf->Y_arr = flint_malloc(qs_inf->buffer_size*sizeof(fmpz));
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qs_inf->curr_rel = qs_inf->relation
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= flint_malloc(2*qs_inf->buffer_size*qs_inf->max_factors*sizeof(slong));
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qs_inf->qsort_arr = flint_malloc(qs_inf->qsort_rels*sizeof(la_col_t *));
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for (i = 0; i < qs_inf->buffer_size; i++)
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{
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fmpz_init(qs_inf->Y_arr + i);
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qs_inf->matrix[i].weight = 0;
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qs_inf->matrix[i].data = NULL;
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}
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for (i = 0; i < qs_inf->qsort_rels; i++)
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{
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qs_inf->unmerged[i].weight = 0;
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qs_inf->unmerged[i].data = NULL;
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}
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qs_inf->prime_count = flint_malloc(qs_inf->num_primes*sizeof(slong));
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qs_inf->num_unmerged = 0;
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qs_inf->columns = 0;
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qs_inf->num_relations = 0;
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}
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