46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
|
/*=============================================================================
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include <gmp.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include "flint.h"
|
||
|
|
#include "fmpz.h"
|
||
|
|
#include "fmpz_poly.h"
|
||
|
|
|
||
|
|
void
|
||
|
|
fmpz_poly_set_coeff_si(fmpz_poly_t poly, slong n, slong x)
|
||
|
|
{
|
||
|
|
fmpz_poly_fit_length(poly, n + 1);
|
||
|
|
|
||
|
|
if (n + 1 > poly->length) /* insert zeroes between end of poly and new coeff if needed */
|
||
|
|
{
|
||
|
|
flint_mpn_zero((mp_ptr) (poly->coeffs + poly->length), n - poly->length);
|
||
|
|
poly->length = n + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
fmpz_set_si(poly->coeffs + n, x);
|
||
|
|
_fmpz_poly_normalise(poly); /* we may have set leading coefficient to zero */
|
||
|
|
}
|