Imported gcc-4.4.3

[msp430-gcc.git] / mpfr / tests / tset_exp.c

diff --git a/mpfr/tests/tset_exp.c b/mpfr/tests/tset_exp.c
new file mode 100644 (file)
index 0000000..4828ae1
--- /dev/null
+++ b/mpfr/tests/tset_exp.c
@@ -0,0 +1,67 @@
+/* Test file for mpfr_set_exp.
+
+Copyright 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 (int argc, char *argv[])
+{
+  mpfr_t x;
+  int ret;
+  mp_exp_t emin, emax;
+
+  tests_start_mpfr ();
+
+  emin = mpfr_get_emin ();
+  emax = mpfr_get_emax ();
+
+  mpfr_init (x);
+
+  mpfr_set_ui (x, 1, GMP_RNDN);
+  ret = mpfr_set_exp (x, 2);
+  MPFR_ASSERTN(ret == 0 && mpfr_cmp_ui (x, 2) == 0);
+
+  set_emin (-1);
+  ret = mpfr_set_exp (x, -1);
+  MPFR_ASSERTN(ret == 0 && mpfr_cmp_ui_2exp (x, 1, -2) == 0);
+
+  set_emax (1);
+  ret = mpfr_set_exp (x, 1);
+  MPFR_ASSERTN(ret == 0 && mpfr_cmp_ui (x, 1) == 0);
+
+  ret = mpfr_set_exp (x, -2);
+  MPFR_ASSERTN(ret != 0 && mpfr_cmp_ui (x, 1) == 0);
+
+  ret = mpfr_set_exp (x, 2);
+  MPFR_ASSERTN(ret != 0 && mpfr_cmp_ui (x, 1) == 0);
+
+  mpfr_clear (x);
+
+  set_emin (emin);
+  set_emax (emax);
+
+  tests_end_mpfr ();
+  return 0;
+}