File: ctx_init.c

package info (click to toggle)
flint 2.5.2-19
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 30,308 kB
  • sloc: ansic: 289,367; cpp: 11,210; python: 1,280; sh: 649; makefile: 283
file content (52 lines) | stat: -rw-r--r-- 1,610 bytes parent folder | download | duplicates (5)
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
47
48
49
50
51
52
/*=============================================================================

    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) 2013 Mike Hansen

******************************************************************************/

#include <stdio.h>
#include <string.h>

#include "fq.h"
#include "fq_poly.h"

void
fq_ctx_init(fq_ctx_t ctx, const fmpz_t p, slong d, const char *var)
{
    flint_rand_t state;
    fmpz_mod_poly_t poly;

    if (_fq_ctx_init_conway(ctx, p, d, var))
    {
        return;
    }

    flint_randinit(state);

    fmpz_mod_poly_init2(poly, p, d + 1);
    fmpz_mod_poly_randtest_sparse_irreducible(poly, state, d + 1);

    fq_ctx_init_modulus(ctx, poly, var);

    fmpz_mod_poly_clear(poly);
    flint_randclear(state);
}