pqc/external/flint-2.4.3/arith/test/t-bernoulli_number_vec.c
2014-05-24 23:16:06 +02:00

103 lines
3.2 KiB
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 Fredrik Johansson
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include <mpfr.h>
#include "flint.h"
#include "arith.h"
#include "profiler.h"
#include "fmpz.h"
#include "fmpz_mat.h"
#include "fmpq_poly.h"
int main()
{
fmpz * num1;
fmpz * num2;
fmpz * num3;
fmpz * den1;
fmpz * den2;
fmpz * den3;
slong i, n, N;
FLINT_TEST_INIT(state);
flint_printf("bernoulli_number_vec....");
fflush(stdout);
N = 2000;
num1 = _fmpz_vec_init(N);
num2 = _fmpz_vec_init(N);
num3 = _fmpz_vec_init(N);
den1 = _fmpz_vec_init(N);
den2 = _fmpz_vec_init(N);
den3 = _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);
_arith_bernoulli_number_vec_zeta(num3, den3, n);
for (i = 0; i < n; i++)
{
if (!fmpz_equal(num1 + i, num2 + i) ||
!fmpz_equal(num1 + i, num3 + 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");
flint_printf("zeta: "); fmpz_print(num3 + i); flint_printf("\n");
abort();
}
if (!fmpz_equal(den1 + i, den2 + i) ||
!fmpz_equal(den1 + i, den3 + 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");
flint_printf("zeta: "); fmpz_print(den3 + i); flint_printf("\n");
abort();
}
}
}
_fmpz_vec_clear(num1, N);
_fmpz_vec_clear(num2, N);
_fmpz_vec_clear(num3, N);
_fmpz_vec_clear(den1, N);
_fmpz_vec_clear(den2, N);
_fmpz_vec_clear(den3, N);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}