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/* Test file for mpfr_nan_p, mpfr_inf_p, mpfr_number_p, mpfr_zero_p and
mpfr_regular_p.
Copyright 2001-2004, 2006-2017 Free Software Foundation, Inc.
Contributed by the AriC and Caramba projects, INRIA.
This file is part of the GNU MPFR Library.
The GNU MPFR 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 3 of the License, or (at your
option) any later version.
The GNU MPFR 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 GNU MPFR Library; see the file COPYING.LESSER. If not, see
http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
#include "mpfr-test.h"
int
main (void)
{
mpfr_t x;
tests_start_mpfr ();
mpfr_init (x);
/* check +infinity gives non-zero for mpfr_inf_p only */
mpfr_set_ui (x, 1L, MPFR_RNDZ);
mpfr_div_ui (x, x, 0L, MPFR_RNDZ);
if (mpfr_nan_p (x) || (mpfr_nan_p) (x) )
{
printf ("Error: mpfr_nan_p(+Inf) gives non-zero\n");
exit (1);
}
if (mpfr_inf_p (x) == 0)
{
printf ("Error: mpfr_inf_p(+Inf) gives zero\n");
exit (1);
}
if (mpfr_number_p (x) || (mpfr_number_p) (x) )
{
printf ("Error: mpfr_number_p(+Inf) gives non-zero\n");
exit (1);
}
if (mpfr_zero_p (x) || (mpfr_zero_p) (x) )
{
printf ("Error: mpfr_zero_p(+Inf) gives non-zero\n");
exit (1);
}
if (mpfr_regular_p (x) || (mpfr_regular_p) (x) )
{
printf ("Error: mpfr_regular_p(+Inf) gives non-zero\n");
exit (1);
}
/* same for -Inf */
mpfr_neg (x, x, MPFR_RNDN);
if (mpfr_nan_p (x) || (mpfr_nan_p(x)))
{
printf ("Error: mpfr_nan_p(-Inf) gives non-zero\n");
exit (1);
}
if (mpfr_inf_p (x) == 0)
{
printf ("Error: mpfr_inf_p(-Inf) gives zero\n");
exit (1);
}
if (mpfr_number_p (x) || (mpfr_number_p)(x) )
{
printf ("Error: mpfr_number_p(-Inf) gives non-zero\n");
exit (1);
}
if (mpfr_zero_p (x) || (mpfr_zero_p)(x) )
{
printf ("Error: mpfr_zero_p(-Inf) gives non-zero\n");
exit (1);
}
if (mpfr_regular_p (x) || (mpfr_regular_p) (x) )
{
printf ("Error: mpfr_regular_p(-Inf) gives non-zero\n");
exit (1);
}
/* same for NaN */
mpfr_sub (x, x, x, MPFR_RNDN);
if (mpfr_nan_p (x) == 0)
{
printf ("Error: mpfr_nan_p(NaN) gives zero\n");
exit (1);
}
if (mpfr_inf_p (x) || (mpfr_inf_p)(x) )
{
printf ("Error: mpfr_inf_p(NaN) gives non-zero\n");
exit (1);
}
if (mpfr_number_p (x) || (mpfr_number_p) (x) )
{
printf ("Error: mpfr_number_p(NaN) gives non-zero\n");
exit (1);
}
if (mpfr_zero_p (x) || (mpfr_zero_p)(x) )
{
printf ("Error: mpfr_number_p(NaN) gives non-zero\n");
exit (1);
}
if (mpfr_regular_p (x) || (mpfr_regular_p) (x) )
{
printf ("Error: mpfr_regular_p(NaN) gives non-zero\n");
exit (1);
}
/* same for a regular number */
mpfr_set_ui (x, 1, MPFR_RNDN);
if (mpfr_nan_p (x) || (mpfr_nan_p)(x))
{
printf ("Error: mpfr_nan_p(1) gives non-zero\n");
exit (1);
}
if (mpfr_inf_p (x) || (mpfr_inf_p)(x) )
{
printf ("Error: mpfr_inf_p(1) gives non-zero\n");
exit (1);
}
if (mpfr_number_p (x) == 0)
{
printf ("Error: mpfr_number_p(1) gives zero\n");
exit (1);
}
if (mpfr_zero_p (x) || (mpfr_zero_p) (x) )
{
printf ("Error: mpfr_zero_p(1) gives non-zero\n");
exit (1);
}
if (mpfr_regular_p (x) == 0 || (mpfr_regular_p) (x) == 0)
{
printf ("Error: mpfr_regular_p(1) gives zero\n");
exit (1);
}
/* Same for +0 */
mpfr_set_ui (x, 0, MPFR_RNDN);
if (mpfr_nan_p (x) || (mpfr_nan_p)(x))
{
printf ("Error: mpfr_nan_p(+0) gives non-zero\n");
exit (1);
}
if (mpfr_inf_p (x) || (mpfr_inf_p)(x) )
{
printf ("Error: mpfr_inf_p(+0) gives non-zero\n");
exit (1);
}
if (mpfr_number_p (x) == 0)
{
printf ("Error: mpfr_number_p(+0) gives zero\n");
exit (1);
}
if (mpfr_zero_p (x) == 0 )
{
printf ("Error: mpfr_zero_p(+0) gives zero\n");
exit (1);
}
if (mpfr_regular_p (x) || (mpfr_regular_p) (x) )
{
printf ("Error: mpfr_regular_p(+0) gives non-zero\n");
exit (1);
}
/* Same for -0 */
mpfr_set_ui (x, 0, MPFR_RNDN);
mpfr_neg (x, x, MPFR_RNDN);
if (mpfr_nan_p (x) || (mpfr_nan_p)(x))
{
printf ("Error: mpfr_nan_p(-0) gives non-zero\n");
exit (1);
}
if (mpfr_inf_p (x) || (mpfr_inf_p)(x) )
{
printf ("Error: mpfr_inf_p(-0) gives non-zero\n");
exit (1);
}
if (mpfr_number_p (x) == 0)
{
printf ("Error: mpfr_number_p(-0) gives zero\n");
exit (1);
}
if (mpfr_zero_p (x) == 0 )
{
printf ("Error: mpfr_zero_p(-0) gives zero\n");
exit (1);
}
if (mpfr_regular_p (x) || (mpfr_regular_p) (x) )
{
printf ("Error: mpfr_regular_p(-0) gives non-zero\n");
exit (1);
}
mpfr_clear (x);
tests_end_mpfr ();
return 0;
}
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