mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/*
|
|
Copyright (C) 2012, 2013 Fredrik Johansson
|
|
|
|
This file is part of Arb.
|
|
|
|
Arb 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 2.1 of the License, or
|
|
(at your option) any later version. See <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "arb_poly.h"
|
|
|
|
int main()
|
|
{
|
|
slong iter;
|
|
flint_rand_t state;
|
|
|
|
flint_printf("gamma_series....");
|
|
fflush(stdout);
|
|
|
|
flint_randinit(state);
|
|
|
|
for (iter = 0; iter < 2000 * arb_test_multiplier(); iter++)
|
|
{
|
|
slong m, n1, n2, qbits, rbits1, rbits2, rbits3;
|
|
fmpq_poly_t A;
|
|
arb_poly_t a, b, c, d;
|
|
|
|
qbits = 2 + n_randint(state, 200);
|
|
rbits1 = 2 + n_randint(state, 400);
|
|
rbits2 = 2 + n_randint(state, 400);
|
|
rbits3 = 2 + n_randint(state, 400);
|
|
|
|
m = 1 + n_randint(state, 25);
|
|
n1 = 1 + n_randint(state, 25);
|
|
n2 = 1 + n_randint(state, 25);
|
|
|
|
fmpq_poly_init(A);
|
|
arb_poly_init(a);
|
|
arb_poly_init(b);
|
|
arb_poly_init(c);
|
|
arb_poly_init(d);
|
|
|
|
fmpq_poly_randtest_not_zero(A, state, m, qbits);
|
|
arb_poly_set_fmpq_poly(a, A, rbits1);
|
|
|
|
arb_poly_gamma_series(b, a, n1, rbits2);
|
|
arb_poly_gamma_series(c, a, n2, rbits3);
|
|
|
|
arb_poly_set(d, b);
|
|
arb_poly_truncate(d, FLINT_MIN(n1, n2));
|
|
arb_poly_truncate(c, FLINT_MIN(n1, n2));
|
|
|
|
if (!arb_poly_overlaps(c, d))
|
|
{
|
|
flint_printf("FAIL\n\n");
|
|
flint_printf("n1 = %wd, n2 = %wd, bits2 = %wd, bits3 = %wd\n", n1, n2, rbits2, rbits3);
|
|
|
|
flint_printf("A = "); fmpq_poly_print(A); flint_printf("\n\n");
|
|
flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
|
|
flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
|
|
flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");
|
|
|
|
flint_abort();
|
|
}
|
|
|
|
/* check gamma(a) * a = gamma(a+1) */
|
|
arb_poly_mullow(c, b, a, n1, rbits2);
|
|
|
|
arb_poly_set(d, a);
|
|
arb_add_ui(d->coeffs, d->coeffs, 1, rbits2);
|
|
arb_poly_gamma_series(d, d, n1, rbits2);
|
|
|
|
if (!arb_poly_overlaps(c, d))
|
|
{
|
|
flint_printf("FAIL (functional equation, n1 = %wd)\n\n", n1);
|
|
|
|
flint_printf("A = "); fmpq_poly_print(A); flint_printf("\n\n");
|
|
flint_printf("a = "); arb_poly_printd(a, 15); flint_printf("\n\n");
|
|
flint_printf("b = "); arb_poly_printd(b, 15); flint_printf("\n\n");
|
|
flint_printf("c = "); arb_poly_printd(c, 15); flint_printf("\n\n");
|
|
flint_printf("d = "); arb_poly_printd(d, 15); flint_printf("\n\n");
|
|
|
|
flint_abort();
|
|
}
|
|
|
|
arb_poly_gamma_series(a, a, n1, rbits2);
|
|
if (!arb_poly_overlaps(a, b))
|
|
{
|
|
flint_printf("FAIL (aliasing)\n\n");
|
|
flint_abort();
|
|
}
|
|
|
|
fmpq_poly_clear(A);
|
|
arb_poly_clear(a);
|
|
arb_poly_clear(b);
|
|
arb_poly_clear(c);
|
|
arb_poly_clear(d);
|
|
}
|
|
|
|
flint_randclear(state);
|
|
flint_cleanup();
|
|
flint_printf("PASS\n");
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|