mirror of
https://review.haiku-os.org/buildtools
synced 2025-02-12 16:57:38 +01:00
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/* Test file for mpfr_cmp_d.
|
|
|
|
Copyright 1999, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
|
|
Contributed by the AriC and Caramel 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "mpfr-test.h"
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
mpfr_t x;
|
|
int c;
|
|
|
|
tests_start_mpfr ();
|
|
|
|
mpfr_init2(x, IEEE_DBL_MANT_DIG);
|
|
|
|
mpfr_set_d (x, 2.34763465, MPFR_RNDN);
|
|
if (mpfr_cmp_d(x, 2.34763465)!=0) {
|
|
printf("Error in mpfr_cmp_d 2.34763465 and ");
|
|
mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
|
|
exit(1);
|
|
}
|
|
if (mpfr_cmp_d(x, 2.345)<=0) {
|
|
printf("Error in mpfr_cmp_d 2.345 and ");
|
|
mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
|
|
exit(1);
|
|
}
|
|
if (mpfr_cmp_d(x, 2.4)>=0) {
|
|
printf("Error in mpfr_cmp_d 2.4 and ");
|
|
mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
|
|
exit(1);
|
|
}
|
|
|
|
mpfr_set_ui (x, 0, MPFR_RNDZ);
|
|
mpfr_neg (x, x, MPFR_RNDZ);
|
|
if (mpfr_cmp_d (x, 0.0)) {
|
|
printf("Error in mpfr_cmp_d 0.0 and ");
|
|
mpfr_out_str(stdout, 10, 0, x, MPFR_RNDN); putchar('\n');
|
|
exit(1);
|
|
}
|
|
|
|
mpfr_set_ui (x, 0, MPFR_RNDN);
|
|
mpfr_ui_div (x, 1, x, MPFR_RNDU);
|
|
if (mpfr_cmp_d (x, 0.0) == 0)
|
|
{
|
|
printf ("Error in mpfr_cmp_d (Inf, 0)\n");
|
|
exit (1);
|
|
}
|
|
|
|
#if !defined(MPFR_ERRDIVZERO)
|
|
/* Check NAN */
|
|
mpfr_clear_erangeflag ();
|
|
c = mpfr_cmp_d (x, DBL_NAN);
|
|
if (c != 0 || !mpfr_erangeflag_p ())
|
|
{
|
|
printf ("ERROR for NAN (1)\n");
|
|
#ifdef MPFR_NANISNAN
|
|
printf ("The reason is that NAN == NAN. Please look at the configure "
|
|
"output\nand Section \"In case of problem\" of the INSTALL "
|
|
"file.\n");
|
|
#endif
|
|
exit (1);
|
|
}
|
|
mpfr_set_nan (x);
|
|
mpfr_clear_erangeflag ();
|
|
c = mpfr_cmp_d (x, 2.0);
|
|
if (c != 0 || !mpfr_erangeflag_p ())
|
|
{
|
|
printf ("ERROR for NAN (2)\n");
|
|
#ifdef MPFR_NANISNAN
|
|
printf ("The reason is that NAN == NAN. Please look at the configure "
|
|
"output\nand Section \"In case of problem\" of the INSTALL "
|
|
"file.\n");
|
|
#endif
|
|
exit (1);
|
|
}
|
|
#endif /* MPFR_ERRDIVZERO */
|
|
|
|
mpfr_clear(x);
|
|
|
|
tests_end_mpfr ();
|
|
return 0;
|
|
}
|