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/*
Copyright (C) 2008, 2009 William Hart
Copyright (C) 2012 Andres Goens
Copyright (C) 2013 Mike Hansen
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/>.
*/
#ifdef T
#include "templates.h"
void
TEMPLATE(T, poly_set_coeff) (TEMPLATE(T, poly_t) poly, slong n,
const TEMPLATE(T, t) x,
const TEMPLATE(T, ctx_t) ctx)
{
if (TEMPLATE(T, is_zero) (x, ctx))
{
if (n >= poly->length)
return;
TEMPLATE(T, zero) (poly->coeffs + n, ctx);
if (n == poly->length - 1) /* only necessary when setting leading coefficient */
_TEMPLATE(T, poly_normalise) (poly, ctx);
}
else
{
slong i;
TEMPLATE(T, poly_fit_length) (poly, n + 1, ctx);
if (n + 1 > poly->length) /* Insert zeros if needed */
{
for (i = poly->length; i < n; i++)
TEMPLATE(T, zero) (poly->coeffs + i, ctx);
poly->length = n + 1;
}
}
TEMPLATE(T, set) (poly->coeffs + n, x, ctx);
}
void
TEMPLATE(T, poly_set_coeff_fmpz)(TEMPLATE(T, poly_t) poly, slong n,
const fmpz_t x, const TEMPLATE(T, ctx_t) ctx)
{
TEMPLATE(T, poly_fit_length)(poly, n + 1, ctx);
TEMPLATE(T, set_fmpz)(poly->coeffs + n, x, ctx);
if (n + 1 > poly->length)
{
_TEMPLATE(T, poly_set_length)(poly, n + 1, ctx);
}
_TEMPLATE(T, poly_normalise)(poly, ctx);
}
#endif