mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*=============================================================================
|
|
|
|
This file is part of ARB.
|
|
|
|
ARB 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.
|
|
|
|
ARB 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 ARB; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
=============================================================================*/
|
|
/******************************************************************************
|
|
|
|
Copyright (C) 2012 Fredrik Johansson
|
|
|
|
******************************************************************************/
|
|
|
|
#include "fmprb.h"
|
|
|
|
int main()
|
|
{
|
|
long iter;
|
|
flint_rand_t state;
|
|
|
|
printf("zeta_ui_vec_borwein....");
|
|
fflush(stdout);
|
|
flint_randinit(state);
|
|
|
|
|
|
for (iter = 0; iter < 100; iter++)
|
|
{
|
|
fmprb_struct * r;
|
|
ulong n;
|
|
long i, num, step;
|
|
mpfr_t s;
|
|
long prec, accuracy;
|
|
|
|
prec = 2 + n_randint(state, 1 << n_randint(state, 13));
|
|
num = 1 + n_randint(state, 20);
|
|
step = 1 + n_randint(state, 5);
|
|
|
|
r = _fmprb_vec_init(num);
|
|
mpfr_init2(s, prec + 100);
|
|
|
|
do { n = n_randint(state, 1 << n_randint(state, 10)); } while (n < 2);
|
|
|
|
fmprb_zeta_ui_vec_borwein(r, n, num, step, prec);
|
|
|
|
for (i = 0; i < num; i++)
|
|
{
|
|
mpfr_zeta_ui(s, n + i * step, MPFR_RNDN);
|
|
|
|
if (!fmprb_contains_mpfr(r + i, s))
|
|
{
|
|
printf("FAIL: containment\n\n");
|
|
printf("n = %lu\n\n", n + i * step);
|
|
printf("r = "); fmprb_printd(r + i, prec / 3.33); printf("\n\n");
|
|
printf("s = "); mpfr_printf("%.275Rf\n", s); printf("\n\n");
|
|
abort();
|
|
}
|
|
|
|
accuracy = fmprb_rel_accuracy_bits(r + i);
|
|
|
|
if (accuracy < prec - 4)
|
|
{
|
|
printf("FAIL: accuracy = %ld, prec = %ld\n\n", accuracy, prec);
|
|
printf("n = %lu\n\n", n + i * step);
|
|
printf("r = "); fmprb_printd(r + i, prec / 3.33); printf("\n\n");
|
|
abort();
|
|
}
|
|
}
|
|
|
|
_fmprb_vec_clear(r, num);
|
|
mpfr_clear(s);
|
|
}
|
|
|
|
flint_randclear(state);
|
|
_fmpz_cleanup();
|
|
printf("PASS\n");
|
|
return EXIT_SUCCESS;
|
|
}
|