1 /* Rational_Interval class declaration and implementation.
2    Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
3    Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)
4 
5 This file is part of the Parma Polyhedra Library (PPL).
6 
7 The PPL is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11 
12 The PPL is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15 for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software Foundation,
19 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
20 
21 For the most up-to-date information see the Parma Polyhedra Library
22 site: http://bugseng.com/products/ppl/ . */
23 
24 #ifndef PPL_Rational_Interval_hh
25 #define PPL_Rational_Interval_hh 1
26 
27 #include "Interval_defs.hh"
28 #include <gmpxx.h>
29 
30 namespace Parma_Polyhedra_Library {
31 
32 struct Rational_Interval_Info_Policy {
33   const_bool_nodef(store_special, true);
34   const_bool_nodef(store_open, true);
35   const_bool_nodef(cache_empty, true);
36   const_bool_nodef(cache_singleton, true);
37   const_bool_nodef(cache_normalized, false);
38   const_int_nodef(next_bit, 0);
39   const_bool_nodef(may_be_empty, true);
40   const_bool_nodef(may_contain_infinity, false);
41   const_bool_nodef(check_inexact, false);
42 };
43 
44 typedef Interval_Info_Bitset<unsigned int,
45                              Rational_Interval_Info_Policy> Rational_Interval_Info;
46 
47 #ifdef PPL_DOXYGEN_INCLUDE_IMPLEMENTATION_DETAILS
48 //! An interval with rational, possibly open boundaries.
49 #endif // defined(PPL_DOXYGEN_INCLUDE_IMPLEMENTATION_DETAILS)
50 typedef Interval<mpq_class, Rational_Interval_Info> Rational_Interval;
51 
52 } // namespace Parma_Polyhedra_Library
53 
54 #endif // !defined(PPL_Rational_Interval_hh)
55