1 /* Coefficient class implementation: inline functions. 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_Coefficient_inlines_hh 25 #define PPL_Coefficient_inlines_hh 1 26 27 namespace Parma_Polyhedra_Library { 28 29 #ifdef PPL_CHECKED_INTEGERS 30 inline void handle_result(Result r)31Bounded_Integer_Coefficient_Policy::handle_result(Result r) { 32 // Note that the input functions can return VC_NAN. 33 if (result_overflow(r) || result_class(r) == VC_NAN) { 34 throw_result_exception(r); 35 } 36 } 37 #endif // PPL_CHECKED_INTEGERS 38 39 40 #if defined(PPL_CHECKED_INTEGERS) || defined(PPL_NATIVE_INTEGERS) 41 inline Coefficient_traits::const_reference Coefficient_zero()42Coefficient_zero() { 43 // FIXME: is there a way to avoid this static variable? 44 static Coefficient zero(0); 45 return zero; 46 } 47 48 inline Coefficient_traits::const_reference Coefficient_one()49Coefficient_one() { 50 // FIXME: is there a way to avoid this static variable? 51 static Coefficient one(1); 52 return one; 53 } 54 #endif // defined(PPL_CHECKED_INTEGERS) || defined(PPL_NATIVE_INTEGERS) 55 56 #ifdef PPL_GMP_INTEGERS 57 inline Coefficient_traits::const_reference Coefficient_zero()58Coefficient_zero() { 59 extern const Coefficient* Coefficient_zero_p; 60 return *Coefficient_zero_p; 61 } 62 63 inline Coefficient_traits::const_reference Coefficient_one()64Coefficient_one() { 65 extern const Coefficient* Coefficient_one_p; 66 PPL_ASSERT(*Coefficient_one_p != 0); 67 return *Coefficient_one_p; 68 } 69 #endif // PPL_GMP_INTEGERS 70 71 } // namespace Parma_Polyhedra_Library 72 73 #endif // !defined(PPL_Coefficient_inlines_hh) 74