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1.8.1.2
gecode
int
branch.cpp
Go to the documentation of this file.
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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, 2002
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*
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* Last modified:
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* $Date: 2010-03-12 08:16:29 +1100 (Fri, 12 Mar 2010) $ by $Author: schulte $
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* $Revision: 10418 $
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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/branch.hh
>
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namespace
Gecode {
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void
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assign
(
Home
home,
const
IntVarArgs
& x,
IntAssign
vals,
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const
ValBranchOptions
& o_vals) {
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using namespace
Int;
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if
(home.
failed
())
return
;
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ViewArray<IntView>
xv(home,x);
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ViewSelNone<IntView>
v
(home,
VarBranchOptions::def
);
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switch
(vals) {
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case
INT_ASSIGN_MIN
:
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{
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Branch::AssignValMin<IntView>
a
(home,o_vals);
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ViewValBrancher
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<
ViewSelNone<IntView>
,
Branch::AssignValMin<IntView>
>
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::post
(home,xv,v,a);
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}
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break
;
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case
INT_ASSIGN_MED
:
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{
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Branch::AssignValMed<IntView>
a
(home,o_vals);
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ViewValBrancher
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<
ViewSelNone<IntView>
,
Branch::AssignValMed<IntView>
>
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::post
(home,xv,v,a);
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}
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break
;
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case
INT_ASSIGN_MAX
:
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{
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Branch::AssignValMin<MinusView>
a
(home,o_vals);
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ViewValBrancher
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<
ViewSelNone<IntView>
,
Branch::AssignValMin<MinusView>
>
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::post
(home,xv,v,a);
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}
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break
;
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case
INT_ASSIGN_RND
:
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{
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Branch::AssignValRnd<IntView>
a
(home,o_vals);
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ViewValBrancher
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<
ViewSelNone<IntView>
,
Branch::AssignValRnd<IntView>
>
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::post
(home,xv,v,a);
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}
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break
;
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default
:
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throw
UnknownBranching
(
"Int::assign"
);
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}
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}
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void
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assign
(
Home
home,
const
BoolVarArgs
& x,
IntAssign
vals,
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const
ValBranchOptions
& o_vals) {
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using namespace
Int;
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if
(home.
failed
())
return
;
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ViewArray<BoolView>
xv(home,x);
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ViewSelNone<BoolView>
v
(home,
VarBranchOptions::def
);
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switch
(vals) {
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case
INT_ASSIGN_MIN
:
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case
INT_ASSIGN_MED
: {
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Branch::AssignValZero<BoolView>
a
(home,o_vals);
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ViewValBrancher
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<
ViewSelNone<BoolView>
,
Branch::AssignValZero<BoolView>
>
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::post
(home,xv,v,a);
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}
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break
;
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case
INT_ASSIGN_MAX
: {
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Branch::AssignValZero<NegBoolView>
a
(home,o_vals);
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ViewValBrancher
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<
ViewSelNone<BoolView>
,
Branch::AssignValZero<NegBoolView>
>
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::post
(home,xv,v,a);
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}
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break
;
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case
INT_ASSIGN_RND
: {
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Branch::AssignValRnd<BoolView>
a
(home,o_vals);
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ViewValBrancher
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<
ViewSelNone<BoolView>
,
Branch::AssignValRnd<BoolView>
>
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::post
(home,xv,v,a);
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}
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break
;
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default
:
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throw
UnknownBranching
(
"Int::assign"
);
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}
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}
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void
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branch
(
Home
home,
IntVar
x,
IntValBranch
vals,
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const
ValBranchOptions
& o_vals) {
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IntVarArgs
xv(1); xv[0]=x;
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branch
(home, xv,
INT_VAR_NONE
, vals,
VarBranchOptions::def
, o_vals);
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}
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void
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branch
(
Home
home,
BoolVar
x,
IntValBranch
vals,
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const
ValBranchOptions
& o_vals) {
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BoolVarArgs
xv(1); xv[0]=x;
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branch
(home, xv,
INT_VAR_NONE
, vals,
VarBranchOptions::def
, o_vals);
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}
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void
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assign
(
Home
home,
IntVar
x,
IntAssign
vals,
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const
ValBranchOptions
& o_vals) {
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IntVarArgs
xv(1); xv[0]=x;
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assign
(home, xv, vals, o_vals);
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}
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void
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assign
(
Home
home,
BoolVar
x,
IntAssign
vals,
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const
ValBranchOptions
& o_vals) {
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BoolVarArgs
xv(1); xv[0]=x;
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assign
(home, xv, vals, o_vals);
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}
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}
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// STATISTICS: int-post