74 lines
2.2 KiB
C
74 lines
2.2 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 Andy Novocin
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Copyright (C) 2011 Sebastian Pancratz
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******************************************************************************/
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/*
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Example program demonstrating the Zassenhaus factoring algorithm.
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*/
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#include <stdio.h>
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#include "flint.h"
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#include "fmpz_poly.h"
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#include "nmod_poly.h"
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#include "ulong_extras.h"
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int main(void)
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{
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fmpz_poly_t f;
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fmpz_poly_factor_t facs;
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fmpz_poly_init(f);
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fmpz_poly_factor_init(facs);
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if (0)
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{
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FILE *polyfile;
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polyfile = fopen("examples/fmpz_poly_hensel_P1", "r");
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if (!polyfile)
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{
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flint_printf("Error. Could not read P1 from file.\n");
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abort();
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}
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fmpz_poly_fread(polyfile, f);
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}
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fmpz_poly_set_str(f, "63 1 1 1 -4 -7 -2 -6 -3 -7 18 7 25 -11 95 36 21 16 69 56 35 36 32 33 26 -26 -15 -14 -53 -96 67 72 -67 40 -79 -116 -452 -312 -260 -29 -1393 327 69 -28 -241 230 -54 -309 -125 -74 -450 -69 -3 66 -27 73 68 50 -63 -1290 372 31 -16 2");
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fmpz_poly_factor_zassenhaus(facs, f);
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flint_printf("Polynomial:\n");
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fmpz_poly_print(f);
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flint_printf("\nFactorisation:\n");
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fmpz_poly_factor_print(facs);
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fmpz_poly_clear(f);
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fmpz_poly_factor_clear(facs);
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return EXIT_SUCCESS;
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}
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