--- /dev/null
+/* Test file for mpfr_cmp_d.
+
+Copyright 1999, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Contributed by the Arenaire and Cacao 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 2.1 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.LIB. If not, 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, 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");
+#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);
+ }
+
+ mpfr_clear(x);
+
+ tests_end_mpfr ();
+ return 0;
+}