flint-sys 0.9.0

Bindings to the FLINT C library
Documentation 
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

/*
    Copyright (C) 2023 Fredrik Johansson

    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 "gr_vec.h"
#include "gr_poly.h"

int
gr_poly_neg(gr_poly_t res, const gr_poly_t src, gr_ctx_t ctx)
{
    if (res != src)
    {
        int status;
        gr_poly_fit_length(res, src->length, ctx);
        status = _gr_vec_neg(res->coeffs, src->coeffs, src->length, ctx);
        _gr_poly_set_length(res, src->length, ctx);
        return status;
    }
    else
    {
        return _gr_vec_neg(res->coeffs, src->coeffs, src->length, ctx);
    }
}