70 lines
1.9 KiB
C
70 lines
1.9 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) 2007, David Howden.
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Copyright (C) 2010 William Hart
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******************************************************************************/
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#include <gmp.h>
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#include <stdio.h>
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#include "flint.h"
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#include "fmpz_mod_poly.h"
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#include "fmpz.h"
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int fmpz_mod_poly_fread(FILE * f, fmpz_mod_poly_t poly)
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{
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slong i, length;
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fmpz_t coeff;
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ulong res;
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fmpz_init(coeff);
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if (flint_fscanf(f, "%wd", &length) != 1) {
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fmpz_clear(coeff);
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return 0;
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}
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fmpz_fread(f,coeff);
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fmpz_mod_poly_clear(poly);
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fmpz_mod_poly_init(poly, coeff);
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fmpz_mod_poly_fit_length(poly, length);
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poly->length = length;
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for (i = 0; i < length; i++)
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{
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res = fmpz_fread(f, coeff);
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fmpz_mod_poly_set_coeff_fmpz(poly,i,coeff);
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if (!res)
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{
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poly->length = i;
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fmpz_clear(coeff);
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return 0;
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}
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}
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fmpz_clear(coeff);
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_fmpz_mod_poly_normalise(poly);
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return 1;
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}
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