88 lines
2.2 KiB
C
88 lines
2.2 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) 2010 Sebastian Pancratz
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******************************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <gmp.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "fmpz_vec.h"
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int _fmpz_vec_fread(FILE * file, fmpz ** vec, slong * len)
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{
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int alloc, r;
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slong i;
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mpz_t t;
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alloc = (*vec == NULL);
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mpz_init(t);
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r = mpz_inp_str(t, file, 10);
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if (r == 0)
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{
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if (alloc)
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*len = 0;
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mpz_clear(t);
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return 0;
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}
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if (!mpz_fits_slong_p(t))
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{
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flint_printf("Exception (_fmpz_vec_fread). Length does not fit into a slong.\n");
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abort();
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}
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if (alloc)
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{
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*len = flint_mpz_get_si(t);
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*vec = _fmpz_vec_init(*len);
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}
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else
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{
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if (*len != flint_mpz_get_si(t))
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{
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mpz_clear(t);
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return 0;
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}
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}
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mpz_clear(t);
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for (i = 0; i < *len; i++)
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{
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r = fmpz_fread(file, (*vec) + i);
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if (r <= 0)
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{
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if (alloc)
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{
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_fmpz_vec_clear(*vec, *len);
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*vec = NULL;
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*len = 0;
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}
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return r;
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}
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}
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return 1;
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}
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