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1.8.18
gecode
int
exec
when.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2009
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <
gecode/int/exec.hh
>
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namespace
Gecode
{
namespace
Int {
namespace
Exec {
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Actor
*
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When::copy
(
Space
& home) {
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return
new
(home)
When
(home,*
this
);
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}
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ExecStatus
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When::propagate
(
Space
& home,
const
ModEventDelta
&) {
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if
(
x0
.
zero
()) {
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GECODE_VALID_FUNCTION
(
e
());
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e
()(home);
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}
else
{
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assert(
x0
.
one
());
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GECODE_VALID_FUNCTION
(
t
());
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t
()(home);
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}
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if
(home.
failed
())
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return
ES_FAILED
;
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return
home.
ES_SUBSUMED
(*
this
);
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}
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size_t
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When::dispose
(
Space
& home) {
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home.
ignore
(*
this
,
AP_DISPOSE
);
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t
.~SharedData<std::function<void(
Space
& home)>>();
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e
.~SharedData<std::function<void(
Space
& home)>>();
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(void)
UnaryPropagator<BoolView,PC_BOOL_VAL>::dispose
(home);
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return
sizeof
(*this);
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}
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}}}
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// STATISTICS: int-prop
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Gecode::Int::BoolView::zero
bool zero(void) const
Test whether view is assigned to be zero.
Definition:
bool.hpp:220
Gecode::Int::Exec::When::When
When(Space &home, When &p)
Constructor for cloning p.
Definition:
when.hpp:45
Gecode::Space::ES_SUBSUMED
ExecStatus ES_SUBSUMED(Propagator &p)
Definition:
core.hpp:3563
Gecode::Int::BoolView::one
bool one(void) const
Test whether view is assigned to be one.
Definition:
bool.hpp:224
Gecode::Int::Exec::When::t
SharedData< std::function< void(Space &home)> > t
Then function.
Definition:
exec.hh:56
Gecode::Space
Computation spaces.
Definition:
core.hpp:1742
Gecode::Actor
Base-class for both propagators and branchers.
Definition:
core.hpp:628
GECODE_VALID_FUNCTION
#define GECODE_VALID_FUNCTION(f)
Assert that a function is valid.
Definition:
macros.hpp:94
Gecode
Gecode toplevel namespace
Gecode::Int::Exec::When::dispose
virtual size_t dispose(Space &home)
Dispose propagator.
Definition:
when.cpp:59
Gecode::Int::Exec::When::copy
virtual Actor * copy(Space &home)
Copy propagator during cloning.
Definition:
when.cpp:39
Gecode::AP_DISPOSE
@ AP_DISPOSE
Actor must always be disposed.
Definition:
core.hpp:562
Gecode::Int::Exec::When::e
SharedData< std::function< void(Space &home)> > e
Else function pointer.
Definition:
exec.hh:58
Gecode::Space::failed
bool failed(void) const
Check whether space is failed.
Definition:
core.hpp:4044
exec.hh
Gecode::UnaryPropagator
Unary propagator.
Definition:
pattern.hpp:55
Gecode::Space::ignore
void ignore(Actor &a, ActorProperty p, bool duplicate=false)
Ignore actor property.
Definition:
core.hpp:4074
Gecode::ES_FAILED
@ ES_FAILED
Execution has resulted in failure.
Definition:
core.hpp:474
Gecode::ModEventDelta
int ModEventDelta
Modification event deltas.
Definition:
core.hpp:89
Gecode::UnaryPropagator< BoolView, PC_BOOL_VAL >::x0
BoolView x0
Single view.
Definition:
pattern.hpp:58
Gecode::Int::Exec::When::propagate
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition:
when.cpp:44
Gecode::ExecStatus
ExecStatus
Definition:
core.hpp:472