1 /* GNU Prolog extended foreign language interface: declarations. 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_gprolog_efli_hh 25 #define PPL_gprolog_efli_hh 1 26 27 #include "ppl.hh" 28 #include "gprolog_cfli.hh" 29 30 namespace Parma_Polyhedra_Library { 31 32 namespace Interfaces { 33 34 namespace Prolog { 35 36 namespace GNU { 37 38 /*! 39 True if and only if the Prolog engine supports unbounded integers. 40 */ 41 extern bool Prolog_has_unbounded_integers; 42 43 /*! 44 If \p Prolog_has_unbounded_integers is false, holds the minimum 45 integer value representable by a Prolog integer. 46 Holds zero otherwise. 47 */ 48 extern PlLong Prolog_min_integer; 49 50 /*! 51 If \p Prolog_has_unbounded_integers is false, holds the maximum 52 integer value representable by a Prolog integer. 53 Holds zero otherwise. 54 */ 55 extern PlLong Prolog_max_integer; 56 57 /*! 58 Performs system-dependent initialization. 59 */ 60 void 61 ppl_Prolog_sysdep_init(); 62 63 /*! 64 Perform system-dependent de-initialization. 65 */ 66 void 67 ppl_Prolog_sysdep_deinit(); 68 69 // FIXME: write the documentation. 70 int 71 Prolog_get_Coefficient(Prolog_term_ref t, Coefficient& n); 72 73 // FIXME: write the documentation. 74 int 75 Prolog_put_Coefficient(Prolog_term_ref& t, const Coefficient& n); 76 77 // FIXME: write the documentation. 78 int 79 Prolog_unify_Coefficient(Prolog_term_ref t, const Coefficient& n); 80 81 } // namespace GNU 82 83 } // namespace Prolog 84 85 } // namespace Interfaces 86 87 } // namespace Parma_Polyhedra_Library 88 89 #endif // !defined(PPL_gprolog_efli_hh) 90