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gecode
int
bin-packing.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, 2010
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*
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* Last modified:
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* $Date: 2013-03-28 22:24:21 +0100 (Thu, 28 Mar 2013) $ by $Author: tack $
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* $Revision: 13561 $
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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/bin-packing.hh
>
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namespace
Gecode {
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void
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binpacking
(
Home
home,
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const
IntVarArgs
&
l
,
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const
IntVarArgs
&
b
,
const
IntArgs
& s,
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IntConLevel
) {
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using namespace
Int;
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if
(l.
same
(home,b))
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throw
ArgumentSame
(
"Int::binpacking"
);
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if
(b.
size
() != s.
size
())
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throw
ArgumentSizeMismatch
(
"Int::binpacking"
);
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for
(
int
i
=s.
size
();
i
--; )
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Limits::nonnegative
(s[
i
],
"Int::binpacking"
);
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if
(home.
failed
())
return
;
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ViewArray<OffsetView>
lv(home,l.
size
());
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for
(
int
i=l.
size
(); i--; )
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lv[i] =
OffsetView
(l[i],0);
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if
(b.
size
() == 0) {
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for
(
int
i=l.
size
(); i--; )
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GECODE_ME_FAIL
(lv[i].eq(home,0));
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return
;
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}
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ViewArray<BinPacking::Item>
bs(home,b.
size
());
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for
(
int
i=bs.size(); i--; )
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bs[i] =
BinPacking::Item
(b[i],s[i]);
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Support::quicksort
(&bs[0], bs.size());
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GECODE_ES_FAIL
(
Int::BinPacking::Pack::post
(home,lv,bs));
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}
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}
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// STATISTICS: int-post