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/* Test file for mpfr_cmp_d.
Copyright 1999, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the MPFR Library.
The 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 2.1 of the License, or (at your
option) any later version.
The 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 MPFR Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, 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, GMP_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, GMP_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, GMP_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, GMP_RNDN); putchar('\n');
exit(1);
}
mpfr_set_ui (x, 0, GMP_RNDZ);
mpfr_neg (x, x, GMP_RNDZ);
if (mpfr_cmp_d (x, 0.0)) {
printf("Error in mpfr_cmp_d 0.0 and ");
mpfr_out_str(stdout, 10, 0, x, GMP_RNDN); putchar('\n');
exit(1);
}
mpfr_set_ui (x, 0, GMP_RNDN);
mpfr_ui_div (x, 1, x, GMP_RNDU);
if (mpfr_cmp_d (x, 0.0) == 0)
{
printf ("Error in mpfr_cmp_d (Inf, 0)\n");
exit (1);
}
/* Check NAN */
mpfr_clear_erangeflag ();
c = mpfr_cmp_d (x, DBL_NAN);
if (c != 0 || !mpfr_erangeflag_p ())
{
printf ("ERROR for NAN (1)\n");
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");
exit (1);
}
mpfr_clear(x);
tests_end_mpfr ();
return 0;
}
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