fwd-to-bwd.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2009
*
* 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
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*/
namespace Gecode { namespace Int {
/*
* Task mapper: map forward task to view to backward task View
*/
template<class TaskView>
forceinline int
FwdToBwd<TaskView>::est(void) const {
return -TaskView::lct();
}
template<class TaskView>
forceinline int
FwdToBwd<TaskView>::ect(void) const {
return -TaskView::lst();
}
template<class TaskView>
forceinline int
FwdToBwd<TaskView>::lst(void) const {
return -TaskView::ect();
}
template<class TaskView>
forceinline int
FwdToBwd<TaskView>::lct(void) const {
return -TaskView::est();
}
template<class TaskView>
forceinline int
FwdToBwd<TaskView>::pmin(void) const {
return TaskView::pmin();
}
template<class TaskView>
forceinline int
FwdToBwd<TaskView>::pmax(void) const {
return TaskView::pmax();
}
template<class TaskView>
forceinline ModEvent
FwdToBwd<TaskView>::est(Space& home, int n) {
return TaskView::lct(home,-n);
}
template<class TaskView>
forceinline ModEvent
FwdToBwd<TaskView>::ect(Space& home, int n) {
return TaskView::lst(home,-n);
}
template<class TaskView>
forceinline ModEvent
FwdToBwd<TaskView>::lst(Space& home, int n) {
return TaskView::ect(home,-n);
}
template<class TaskView>
forceinline ModEvent
FwdToBwd<TaskView>::lct(Space& home, int n) {
return TaskView::est(home,-n);
}
template<class TaskView>
forceinline ModEvent
FwdToBwd<TaskView>::norun(Space& home, int e, int l) {
return TaskView::norun(home,-l,-e);
}
}}
// STATISTICS: int-var
Gecode::Int::FwdToBwd::ect
int ect(void) const
Return earliest completion time.
Definition fwd-to-bwd.hpp:46
Gecode::Int::FwdToBwd::lst
int lst(void) const
Return latest start time.
Definition fwd-to-bwd.hpp:51
Gecode::Int::FwdToBwd::lct
int lct(void) const
Return latest completion time.
Definition fwd-to-bwd.hpp:56
Gecode::Int::FwdToBwd::norun
ModEvent norun(Space &home, int e, int l)
Update such that task cannot run from e to l.
Definition fwd-to-bwd.hpp:92
Gecode::Int::FwdToBwd::est
int est(void) const
Return earliest start time.
Definition fwd-to-bwd.hpp:41
Gecode::Int::FwdToBwd::pmin
int pmin(void) const
Return minimum processing time.
Definition fwd-to-bwd.hpp:61
Gecode::Int::FwdToBwd::pmax
int pmax(void) const
Return maximum processing time.
Definition fwd-to-bwd.hpp:66
Gecode::Space
Computation spaces.
Definition core.hpp:1742
Gecode::Int
Finite domain integers.
Gecode
Gecode toplevel namespace
Gecode::ModEvent
int ModEvent
Type for modification events.
Definition core.hpp:62
forceinline
#define forceinline
Definition config.hpp:187