mirror of
https://github.com/vale981/arb
synced 2025-03-04 17:01:40 -05:00
6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
|
|
Copyright (C) 2016 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 "acb.h"
|
|
|
|
int main()
|
|
{
|
|
slong iter;
|
|
flint_rand_t state;
|
|
|
|
flint_printf("sgn....");
|
|
fflush(stdout);
|
|
|
|
flint_randinit(state);
|
|
|
|
for (iter = 0; iter < 1000 * arb_test_multiplier(); iter++)
|
|
{
|
|
acb_t x, a, b;
|
|
slong prec;
|
|
|
|
acb_init(x);
|
|
acb_init(a);
|
|
acb_init(b);
|
|
|
|
acb_randtest_special(x, state, 1 + n_randint(state, 200), 2 + n_randint(state, 100));
|
|
acb_randtest_special(a, state, 1 + n_randint(state, 200), 2 + n_randint(state, 100));
|
|
|
|
prec = 2 + n_randint(state, 200);
|
|
|
|
acb_sgn(a, x, prec);
|
|
|
|
if (acb_is_zero(x))
|
|
{
|
|
acb_zero(b);
|
|
}
|
|
else
|
|
{
|
|
arb_zero(acb_realref(b));
|
|
acb_arg(acb_imagref(b), x, prec);
|
|
acb_exp(b, b, prec);
|
|
}
|
|
|
|
if (!acb_overlaps(a, b))
|
|
{
|
|
flint_printf("FAIL: overlap\n\n");
|
|
flint_printf("x = "); acb_printd(x, 15); flint_printf("\n\n");
|
|
flint_printf("a = "); acb_printd(a, 15); flint_printf("\n\n");
|
|
flint_printf("b = "); acb_printd(b, 15); flint_printf("\n\n");
|
|
flint_abort();
|
|
}
|
|
|
|
acb_sgn(x, x, prec);
|
|
|
|
if (!acb_overlaps(a, x))
|
|
{
|
|
flint_printf("FAIL: aliasing\n\n");
|
|
flint_printf("x = "); acb_printd(x, 15); flint_printf("\n\n");
|
|
flint_printf("a = "); acb_printd(a, 15); flint_printf("\n\n");
|
|
flint_printf("b = "); acb_printd(b, 15); flint_printf("\n\n");
|
|
flint_abort();
|
|
}
|
|
|
|
acb_clear(x);
|
|
acb_clear(a);
|
|
acb_clear(b);
|
|
}
|
|
|
|
flint_randclear(state);
|
|
flint_cleanup();
|
|
flint_printf("PASS\n");
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|