pqc/external/flint-2.4.3/arith/test/t-bernoulli_number.c

121 lines
3.1 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"
#include "fmpq.h"
int main()
{
fmpz * num1;
fmpz * den1;
fmpz_t num2;
fmpz_t den2;
slong n, N;
FLINT_TEST_INIT(state);
flint_printf("bernoulli_number....");
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++)
{
_arith_bernoulli_number(num2, den2, n);
if (!fmpz_equal(num1 + n, num2))
{
flint_printf("FAIL: n = %wd, numerator\n", n);
flint_printf("vec: "); fmpz_print(num1 + n); flint_printf("\n");
flint_printf("single: "); fmpz_print(num2); flint_printf("\n");
abort();
}
if (!fmpz_equal(den1 + n, den2))
{
flint_printf("FAIL: n = %wd, denominator\n", n);
flint_printf("vec: "); fmpz_print(den1 + n); flint_printf("\n");
flint_printf("single: "); fmpz_print(den2); flint_printf("\n");
abort();
}
}
/* Check non underscore versions */
do
{
slong N = 100;
fmpq * x;
fmpq_t t;
fmpq_init(t);
x = flint_malloc(sizeof(fmpq) * N);
for (n = 0; n < N; n++)
fmpq_init(x + n);
arith_bernoulli_number_vec(x, N);
for (n = 0; n < N; n++)
{
arith_bernoulli_number(t, n);
if (!fmpq_equal(x + n, t))
{
flint_printf("FAIL!: n = %wd\n", n);
abort();
}
}
for (n = 0; n < N; n++)
fmpq_clear(x + n);
flint_free(x);
fmpq_clear(t);
} while (0);
_fmpz_vec_clear(num1, N);
_fmpz_vec_clear(den1, N);
fmpz_clear(num2);
fmpz_clear(den2);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}