1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
Copyright (C) 2008, 2009 William Hart
Copyright (C) 2011 Sebastian Pancratz
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include <gmp.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((nn_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;
}