1 files changed, 45 insertions, 0 deletions
diff --git a/mpfr/tests/tround.c b/mpfr/tests/tround.c
new file mode 100644
index 000000000..3ccd6ff7f
--- /dev/null
+++ b/mpfr/tests/tround.c
@@ -0,0 +1,45 @@
+/* Test file for mpfr_round.
+
+Copyright (C) 1999 PolKA project, Inria Lorraine and Loria
+
+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 Library General Public License as published by
+the Free Software Foundation; either version 2 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 Library General Public
+License for more details.
+
+You should have received a copy of the GNU Library 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 "gmp.h"
+#include "mpfr.h"
+
+int
+main()
+{
+   mpfr_t x;
+
+   /* checks that rounds to nearest sets the last
+     bit to zero in case of equal distance */
+   mpfr_init2(x, 2);
+   mpfr_set_d(x, 5.0, 0);
+   if (mpfr_get_d(x) != 4.0) { printf("Error in tround: got %1.1f instead of 4.0\n",mpfr_get_d(x)); }
+
+   mpfr_set_d(x, 0.00098539467465030839, 0);
+
+   mpfr_set_d(x, 9.84891017624509146344e-01, GMP_RNDU); 
+   if (mpfr_get_d(x) != 1.0) { printf("Error in tround: got %f instead of 1.0\n",mpfr_get_d(x)); exit(1); }
+
+   mpfr_clear(x);
+   exit (0);
+}