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/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2008, 2009 William Hart
Copyright (C) 2011 Sebastian Pancratz
******************************************************************************/
#include <gmp.h>
#include <stdlib.h>
#include "flint.h"
#include "fmpz.h"
#include "padic_poly.h"
void padic_poly_realloc(padic_poly_t poly, slong alloc, const fmpz_t p)
{
if (alloc == 0) /* Clear up, reinitialise */
{
padic_poly_clear(poly);
padic_poly_init(poly);
return;
}
if (poly->alloc) /* Realloc */
{
padic_poly_truncate(poly, alloc, p);
poly->coeffs = (fmpz *) flint_realloc(poly->coeffs, alloc * sizeof(fmpz));
if (alloc > poly->alloc)
mpn_zero((mp_ptr) (poly->coeffs + poly->alloc),
alloc - poly->alloc);
}
else /* Nothing allocated already so do it now */
{
poly->coeffs = (fmpz *) flint_calloc(alloc, sizeof(fmpz));
}
poly->alloc = alloc;
}
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