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
42
43
44
45
46
/*
Copyright (C) 2019 Daniel Schultz
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 "fq_nmod.h"
#include "mpoly.h"
#include "fq_nmod_mpoly.h"
int fq_nmod_mpoly_cmp(
const fq_nmod_mpoly_t A,
const fq_nmod_mpoly_t B,
const fq_nmod_mpoly_ctx_t ctx)
{
slong d = fq_nmod_ctx_degree(ctx->fqctx);
slong i;
slong length = A->length;
const ulong * Acoeffs = A->coeffs;
const ulong * Bcoeffs = B->coeffs;
int cmp;
if (A->length != B->length)
return A->length < B->length ? -1 : 1;
if (length < 1)
return 0;
cmp = mpoly_monomials_cmp(A->exps, A->bits, B->exps, B->bits,
length, ctx->minfo);
if (cmp != 0)
return cmp;
for (i = 0; i < d*length; i++)
{
if (Acoeffs[i] != Bcoeffs[i])
return Acoeffs[i] < Bcoeffs[i] ? -1 : 1;
}
return 0;
}