64 lines
2.0 KiB
C
64 lines
2.0 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) 2011 Andy Novocin
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Copyright (C) 2011 William Hart
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Copyright (C) 2011 Sebastian Pancratz
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******************************************************************************/
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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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void fmpz_poly_hensel_lift_once(fmpz_poly_factor_t lifted_fac,
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const fmpz_poly_t f,
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const nmod_poly_factor_t local_fac, slong N)
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{
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const slong r = local_fac->num;
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slong i;
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slong *link;
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fmpz_poly_t *v, *w;
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link = flint_malloc((2*r - 2) * sizeof(slong));
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v = flint_malloc(2*(2*r - 2) * sizeof(fmpz_poly_t));
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w = v + (2*r - 2);
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for(i = 0; i < 2*r - 2; i++)
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{
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fmpz_poly_init(v[i]);
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fmpz_poly_init(w[i]);
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}
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_fmpz_poly_hensel_start_lift(lifted_fac, link, v, w, f, local_fac, N);
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for (i = 0; i < 2*r - 2; i++)
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{
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fmpz_poly_clear(v[i]);
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fmpz_poly_clear(w[i]);
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}
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flint_free(link);
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flint_free(v);
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}
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