/usr/include/gecode/kernel/branch-tiebreak.hpp is in libgecode-dev 4.4.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2012
*
* Last modified:
* $Date: 2013-02-08 16:47:00 +0100 (Fri, 08 Feb 2013) $ by $Author: schulte $
* $Revision: 13278 $
*
* 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.
*
*/
namespace Gecode {
/// Combine variable selection criteria for tie-breaking
template<class VarBranch>
class TieBreak {
public:
/// Branching criteria to try in order
VarBranch a, b, c, d;
/// Initialize with variable selection criteria
TieBreak(VarBranch a0 = VarBranch(),
VarBranch b0 = VarBranch(),
VarBranch c0 = VarBranch(),
VarBranch d0 = VarBranch());
};
/**
* \defgroup TaskModelBranchTieBreak Tie-breaking for variable selection
*
* \ingroup TaskModelBranch
*/
//@{
/// Combine variable selection criteria \a a and \a b for tie-breaking
template<class VarBranch>
TieBreak<VarBranch>
tiebreak(VarBranch a, VarBranch b);
/// Combine variable selection criteria \a a, \a b, and \a c for tie-breaking
template<class VarBranch>
TieBreak<VarBranch>
tiebreak(VarBranch a, VarBranch b, VarBranch c);
/// Combine variable selection criteria \a a, \a b, \a c, and \a d for tie-breaking
template<class VarBranch>
TieBreak<VarBranch>
tiebreak(VarBranch a, VarBranch b, VarBranch c, VarBranch d);
//@}
template<class VarBranch>
forceinline
TieBreak<VarBranch>::TieBreak(VarBranch a0,
VarBranch b0,
VarBranch c0,
VarBranch d0)
: a(a0), b(b0), c(c0), d(d0) {}
template<class VarBranch>
forceinline TieBreak<VarBranch>
tiebreak(VarBranch a, VarBranch b) {
TieBreak<VarBranch> ab(a,b);
return ab;
}
template<class VarBranch>
forceinline TieBreak<VarBranch>
tiebreak(VarBranch a, VarBranch b, VarBranch c) {
TieBreak<VarBranch> abc(a,b,c);
return abc;
}
template<class VarBranch>
forceinline TieBreak<VarBranch>
tiebreak(VarBranch a, VarBranch b, VarBranch c, VarBranch d) {
TieBreak<VarBranch> abcd(a,b,c,d);
return abcd;
}
}
// STATISTICS: kernel-branch
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