flint-sys 0.9.0

Bindings to the FLINT C library
Documentation 
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/*
    Copyright (C) 2011 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 "test_helpers.h"
#include "fmpz.h"
#include "fmpz_vec.h"
#include "arith.h"

TEST_FUNCTION_START(arith_bernoulli_number_vec, state)
{
    fmpz * num1;
    fmpz * num2;
    fmpz * den1;
    fmpz * den2;
    slong i, n, N;


    N = 2000;

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

    for (n = 0; n < N; n += (n<100) ? 1 : n/3)
    {
        _arith_bernoulli_number_vec_recursive(num1, den1, n);
        _arith_bernoulli_number_vec_multi_mod(num2, den2, n);

        for (i = 0; i < n; i++)
        {
            if (!fmpz_equal(num1 + i, num2 + i))
            {
                flint_printf("FAIL: n = %wd, numerator of B_%wd\n", n, i);
                flint_printf("recursive: "); fmpz_print(num1 + i); flint_printf("\n");
                flint_printf("multi_mod: "); fmpz_print(num2 + i); flint_printf("\n");
                fflush(stdout);
                flint_abort();
            }

            if (!fmpz_equal(den1 + i, den2 + i))
            {
                flint_printf("FAIL: n = %wd, denominator of B_%wd\n", n, i);
                flint_printf("recursive: "); fmpz_print(den1 + i); flint_printf("\n");
                flint_printf("multi_mod: "); fmpz_print(den2 + i); flint_printf("\n");
                fflush(stdout);
                flint_abort();
            }
        }
    }

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

    TEST_FUNCTION_END(state);
}