1 files changed, 67 insertions, 0 deletions
diff --git a/tests/tset_exp.c b/tests/tset_exp.c
new file mode 100644
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--- /dev/null
+++ b/tests/tset_exp.c
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+/* Test file for mpfr_set_exp.
+
+Copyright 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 (int argc, char *argv[])
+{
+  mpfr_t x;
+  int ret;
+  mpfr_exp_t emin, emax;
+
+  tests_start_mpfr ();
+
+  emin = mpfr_get_emin ();
+  emax = mpfr_get_emax ();
+
+  mpfr_init (x);
+
+  mpfr_set_ui (x, 1, MPFR_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;
+}