/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ /* * Main authors: * Christian Schulte * * Copyright: * Christian Schulte, 2011 * * This file is part of Gecode, the generic constraint * development environment: * http://www.gecode.org * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ #include namespace Gecode { namespace Int { namespace NValues { forceinline int SymBitMatrix::pos(int x, int y) const { assert(x < y); return (x*(2*n-x-1)) / 2 + y - x - 1; } forceinline SymBitMatrix::SymBitMatrix(Region& r, int n0) : Support::BitSet(r,static_cast((n0*n0-n0)/2)), n(n0) {} forceinline bool SymBitMatrix::get(int x, int y) const { assert(x != y); if (x > y) std::swap(x,y); return Support::BitSet::get(static_cast(pos(x,y))); } forceinline void SymBitMatrix::set(int x, int y) { assert(x != y); if (x > y) std::swap(x,y); Support::BitSet::set(static_cast(pos(x,y))); } }}} // STATISTICS: int-prop