arb/fmpr/test/t-divappr_abs_ubound.c

80 lines
2.4 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 "fmpr.h"
int main()
{
slong iter;
flint_rand_t state;
flint_printf("divappr_abs_ubound....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
fmpr_t a, b, c, d;
slong prec;
fmpr_init(a);
fmpr_init(b);
fmpr_init(c);
fmpr_init(d);
fmpr_randtest_special(a, state, 2 + n_randint(state, 200), 100);
fmpr_randtest_special(b, state, 2 + n_randint(state, 200), 100);
fmpr_randtest_special(c, state, 2 + n_randint(state, 200), 100);
fmpr_randtest_special(d, state, 2 + n_randint(state, 200), 100);
prec = 2 + n_randint(state, 200);
fmpr_div(c, a, b, prec, FMPR_RND_UP);
fmpr_abs(c, c);
fmpr_divappr_abs_ubound(d, a, b, prec);
if (fmpr_cmp(c, d) > 0)
{
flint_printf("FAIL:\n");
fmpr_printd(a, prec / 3.32); flint_printf("\n");
fmpr_printd(b, prec / 3.32); flint_printf("\n");
fmpr_printd(c, prec / 3.32); flint_printf("\n");
fmpr_printd(d, prec / 3.32); flint_printf("\n");
abort();
}
fmpr_clear(a);
fmpr_clear(b);
fmpr_clear(c);
fmpr_clear(d);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}