arb/acb_poly/test/t-powsum_one_series_sieved.c
2015-11-05 17:51:23 +00:00

98 lines
3 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) 2013 Fredrik Johansson
******************************************************************************/
#include "acb_poly.h"
int main()
{
slong iter;
flint_rand_t state;
printf("powsum_one_series_sieved....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 2000; iter++)
{
acb_t s, a, q;
acb_ptr z1, z2;
slong i, n, len, prec;
acb_init(s);
acb_init(a);
acb_init(q);
if (n_randint(state, 2))
{
acb_randtest(s, state, 1 + n_randint(state, 200), 3);
}
else
{
arb_set_ui(acb_realref(s), 1);
arb_mul_2exp_si(acb_realref(s), acb_realref(s), -1);
arb_randtest(acb_imagref(s), state, 1 + n_randint(state, 200), 4);
}
acb_one(a);
acb_one(q);
prec = 2 + n_randint(state, 200);
n = n_randint(state, 100);
len = 1 + n_randint(state, 10);
z1 = _acb_vec_init(len);
z2 = _acb_vec_init(len);
_acb_poly_powsum_series_naive(z1, s, a, q, n, len, prec);
_acb_poly_powsum_one_series_sieved(z2, s, n, len, prec);
for (i = 0; i < len; i++)
{
if (!acb_overlaps(z1 + i, z2 + i))
{
printf("FAIL: overlap\n\n");
printf("iter = %ld\n", iter);
printf("n = %ld, prec = %ld, len = %ld, i = %ld\n\n", n, prec, len, i);
printf("s = "); acb_printd(s, prec / 3.33); printf("\n\n");
printf("a = "); acb_printd(a, prec / 3.33); printf("\n\n");
printf("z1 = "); acb_printd(z1 + i, prec / 3.33); printf("\n\n");
printf("z2 = "); acb_printd(z2 + i, prec / 3.33); printf("\n\n");
abort();
}
}
acb_clear(a);
acb_clear(s);
acb_clear(q);
_acb_vec_clear(z1, len);
_acb_vec_clear(z2, len);
}
flint_randclear(state);
flint_cleanup();
printf("PASS\n");
return EXIT_SUCCESS;
}