70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
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/*=============================================================================
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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) 2011 Fredrik Johansson
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******************************************************************************/
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#include "fmpz_mat.h"
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void
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fmpz_mat_multi_mod_ui_precomp(nmod_mat_t * residues, slong nres,
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const fmpz_mat_t mat, const fmpz_comb_t comb, fmpz_comb_temp_t temp)
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{
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slong i, j, k;
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mp_ptr r;
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r = _nmod_vec_init(nres);
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for (i = 0; i < fmpz_mat_nrows(mat); i++)
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{
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for (j = 0; j < fmpz_mat_ncols(mat); j++)
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{
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fmpz_multi_mod_ui(r, fmpz_mat_entry(mat, i, j), comb, temp);
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for (k = 0; k < nres; k++)
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nmod_mat_entry(residues[k], i, j) = r[k];
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}
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}
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_nmod_vec_clear(r);
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}
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void
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fmpz_mat_multi_mod_ui(nmod_mat_t * residues, slong nres, const fmpz_mat_t mat)
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{
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fmpz_comb_t comb;
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fmpz_comb_temp_t temp;
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mp_ptr primes;
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slong i;
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primes = _nmod_vec_init(nres);
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for (i = 0; i < nres; i++)
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primes[i] = residues[i]->mod.n;
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fmpz_comb_init(comb, primes, nres);
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fmpz_comb_temp_init(temp, comb);
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fmpz_mat_multi_mod_ui_precomp(residues, nres, mat, comb, temp);
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fmpz_comb_clear(comb);
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fmpz_comb_temp_clear(temp);
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_nmod_vec_clear(primes);
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}
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