1 files changed, 46 insertions, 0 deletions
diff --git a/src/print_rnd_mode.c b/src/print_rnd_mode.c
new file mode 100644
index 0000000..65269c7
--- /dev/null
+++ b/src/print_rnd_mode.c
@@ -0,0 +1,46 @@
+/* mpfr_print_rnd_mode -- convert a given rounding mode to a string
+
+Copyright 1999, 2001, 2002, 2003, 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 "mpfr-impl.h"
+
+const char *
+mpfr_print_rnd_mode (mpfr_rnd_t rnd_mode)
+{
+  /* If we forget to update this function after a new rounding mode
+     is added, this will be detected by the following assertion. */
+  MPFR_ASSERTN (MPFR_RND_MAX == MPFR_RNDA + 1);
+  switch (rnd_mode)
+    {
+    case MPFR_RNDD:
+      return "MPFR_RNDD";
+    case MPFR_RNDU:
+      return "MPFR_RNDU";
+    case MPFR_RNDN:
+      return "MPFR_RNDN";
+    case MPFR_RNDZ:
+      return "MPFR_RNDZ";
+    case MPFR_RNDA:
+      return "MPFR_RNDA";
+    default:
+      return (const char*) 0;
+    }
+}