arb/bernoulli/test/t-fmpq_ui.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, 2013 Fredrik Johansson

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

#include <stdio.h>
#include <stdlib.h>
#include "fmpz_vec.h"
#include "arith.h"
#include "bernoulli.h"

int main()
{
    fmpz * num1;
    fmpz * den1;
    fmpz_t num2;
    fmpz_t den2;
    long n, N;

    printf("fmpq_ui....");
    fflush(stdout);

    N = 4000;

    num1 = _fmpz_vec_init(N);
    den1 = _fmpz_vec_init(N);
    fmpz_init(num2);
    fmpz_init(den2);

    _arith_bernoulli_number_vec_multi_mod(num1, den1, N);

    for (n = 0; n < N; n++)
    {
        _bernoulli_fmpq_ui(num2, den2, n);

        if (!fmpz_equal(num1 + n, num2))
        {
            printf("FAIL: n = %ld, numerator\n", n);
            printf("vec:    "); fmpz_print(num1 + n); printf("\n");
            printf("single: "); fmpz_print(num2); printf("\n");
            abort();
        }

        if (!fmpz_equal(den1 + n, den2))
        {
            printf("FAIL: n = %ld, denominator\n", n);
            printf("vec:    "); fmpz_print(den1 + n); printf("\n");
            printf("single: "); fmpz_print(den2); printf("\n");
            abort();
        }
    }

    _fmpz_vec_clear(num1, N);
    _fmpz_vec_clear(den1, N);
    fmpz_clear(num2);
    fmpz_clear(den2);

    flint_cleanup();
    printf("PASS\n");
    return 0;
}