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/* Test mpf_add.
Copyright 1996, 2001 Free Software Foundation, Inc.
This file is part of the GNU MP Library test suite.
The GNU MP Library test suite 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 3 of the License,
or (at your option) any later version.
The GNU MP Library test suite 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
the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
#include <stdio.h>
#include <stdlib.h>
#include "gmp-impl.h"
#include "tests.h"
#ifndef SIZE
#define SIZE 16
#endif
int
main (int argc, char **argv)
{
mp_size_t size;
mp_exp_t exp;
int reps = 20000;
int i;
mpf_t u, v, w, wref;
mp_size_t bprec = 100;
mpf_t rerr, max_rerr, limit_rerr;
tests_start ();
if (argc > 1)
{
reps = strtol (argv[1], 0, 0);
if (argc > 2)
bprec = strtol (argv[2], 0, 0);
}
mpf_set_default_prec (bprec);
mpf_init_set_ui (limit_rerr, 1);
mpf_div_2exp (limit_rerr, limit_rerr, bprec);
#if VERBOSE
mpf_dump (limit_rerr);
#endif
mpf_init (rerr);
mpf_init_set_ui (max_rerr, 0);
mpf_init (u);
mpf_init (v);
mpf_init (w);
mpf_init (wref);
for (i = 0; i < reps; i++)
{
size = urandom () % (2 * SIZE) - SIZE;
exp = urandom () % SIZE;
mpf_random2 (u, size, exp);
size = urandom () % (2 * SIZE) - SIZE;
exp = urandom () % SIZE;
mpf_random2 (v, size, exp);
mpf_add (w, u, v);
refmpf_add (wref, u, v);
mpf_reldiff (rerr, w, wref);
if (mpf_cmp (rerr, max_rerr) > 0)
{
mpf_set (max_rerr, rerr);
#if VERBOSE
mpf_dump (max_rerr);
#endif
if (mpf_cmp (rerr, limit_rerr) > 0)
{
printf ("ERROR after %d tests\n", i);
printf (" u = "); mpf_dump (u);
printf (" v = "); mpf_dump (v);
printf ("wref = "); mpf_dump (wref);
printf (" w = "); mpf_dump (w);
abort ();
}
}
}
mpf_clear (limit_rerr);
mpf_clear (rerr);
mpf_clear (max_rerr);
mpf_clear (u);
mpf_clear (v);
mpf_clear (w);
mpf_clear (wref);
tests_end ();
exit (0);
}
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