1/* mpfr_print_rnd_mode -- convert a given rounding mode to a string
2
3Copyright 1999, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
4Contributed by the Arenaire and Cacao projects, INRIA.
5
6This file is part of the GNU MPFR Library.
7
8The GNU MPFR Library is free software; you can redistribute it and/or modify
9it under the terms of the GNU Lesser General Public License as published by
10the Free Software Foundation; either version 3 of the License, or (at your
11option) any later version.
12
13The GNU MPFR Library is distributed in the hope that it will be useful, but
14WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
16License for more details.
17
18You should have received a copy of the GNU Lesser General Public License
19along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
20http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
2151 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
22
23#include "mpfr-impl.h"
24
25const char *
26mpfr_print_rnd_mode (mpfr_rnd_t rnd_mode)
27{
28  /* If we forget to update this function after a new rounding mode
29     is added, this will be detected by the following assertion. */
30  MPFR_ASSERTN (MPFR_RND_MAX == MPFR_RNDA + 1);
31  switch (rnd_mode)
32    {
33    case MPFR_RNDD:
34      return "MPFR_RNDD";
35    case MPFR_RNDU:
36      return "MPFR_RNDU";
37    case MPFR_RNDN:
38      return "MPFR_RNDN";
39    case MPFR_RNDZ:
40      return "MPFR_RNDZ";
41    case MPFR_RNDA:
42      return "MPFR_RNDA";
43    default:
44      return (const char*) 0;
45    }
46}
47