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/* tis_inside_fr.c -- Test mpfi_is_inside_fr.
Copyright 2010,
Spaces project, Inria Lorraine
and Salsa project, INRIA Rocquencourt,
and Arenaire project, Inria Rhone-Alpes, France
and Lab. ANO, USTL (Univ. of Lille), France
This file is part of the MPFI Library.
The MPFI Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The MPFI Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPFI Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "mpfi-tests.h"
void
print_error (mpfr_srcptr x, mpfi_srcptr i)
{
printf ("Error: mpfi_is_inside_fr (x, I) returns %d\nx = ",
mpfi_is_inside_fr (x, i));
mpfr_out_str (stdout, 10, 0, x, MPFI_RNDD);
printf ("\nI = ");
mpfi_out_str (stdout, 10, 0, i);
printf ("\n");
exit (1);
}
void
check ()
{
mpfi_t interval;
mpfr_t a, b, c;
int i;
mpfr_init2 (a, 53);
mpfr_init2 (b, 53);
mpfr_init2 (c, 53);
mpfi_init2 (interval, 53);
for (i = 0; i <= 1000; ++i) {
/* random numbers a < b < c */
random_interval (interval);
mpfi_alea (b, interval);
mpfr_set (a, &(interval->left), MPFI_RNDD);
mpfr_set (c, &(interval->right), MPFI_RNDU);
if (!mpfi_is_inside_fr (b, interval)) {
print_error (b, interval);
}
mpfr_set_nan (&(interval->right));
if (mpfi_is_inside_fr (b, interval)) {
print_error (b, interval);
}
mpfi_interv_fr (interval, b, c);
if (!mpfr_equal_p (a, b) && mpfi_is_inside_fr (a, interval)) {
print_error (a, interval);
}
mpfr_set_nan (&(interval->left));
if (mpfi_is_inside_fr (a, interval)) {
print_error (a, interval);
}
mpfi_interv_fr (interval, a, b);
if (!mpfr_equal_p (c, b) && mpfi_is_inside_fr (c, interval)) {
print_error (c, interval);
}
}
mpfr_clear (a);
mpfr_clear (b);
mpfr_clear (c);
mpfi_clear (interval);
}
int
main (int argc, char **argv)
{
test_start ();
check ();
test_end ();
return 0;
}
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