pqc/external/flint-2.4.3/padic_poly/get_coeff_padic.c

43 lines
1.5 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) 2011, 2012 Sebastian Pancratz
******************************************************************************/
#include "padic_poly.h"
void padic_poly_get_coeff_padic(padic_t x, const padic_poly_t f, slong n,
const padic_ctx_t ctx)
{
if (n < f->length && !fmpz_is_zero(f->coeffs + n))
{
fmpz_set(padic_unit(x), f->coeffs + n);
padic_val(x) = f->val;
padic_reduce(x, ctx);
}
else
{
padic_zero(x);
}
}