78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/* -*- 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, 2012
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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/kernel.hh>
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namespace Gecode {
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Support::Mutex Action::Storage::m;
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Action::Storage::~Storage(void) {
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heap.free<double>(a,n);
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}
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const Action Action::def;
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Action::Action(const Action& a)
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: SharedHandle(a) {}
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Action&
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Action::operator =(const Action& a) {
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(void) SharedHandle::operator =(a);
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return *this;
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}
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Action::~Action(void) {}
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void
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Action::decay(Space&, double d) {
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if ((d < 0.0) || (d > 1.0))
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throw IllegalDecay("Action");
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acquire();
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object().invd = 1.0 / d;
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release();
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}
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double
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Action::decay(const Space&) const {
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double d;
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const_cast<Action*>(this)->acquire();
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d = 1.0 / object().invd;
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const_cast<Action*>(this)->release();
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return d;
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}
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}
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// STATISTICS: kernel-branch
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