Jip J. Dekker
981be2067e
git-subtree-dir: software/gecode_on_replay git-subtree-split: 8051d92b9c89e49cccfbd1c201371580d7703ab4
465 lines
14 KiB
C++
Executable File
465 lines
14 KiB
C++
Executable File
/* -*- 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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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2009
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* Guido Tack, 2010
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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/cumulative.hh>
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#include <algorithm>
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namespace Gecode { namespace Int { namespace Cumulative {
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template<class Cap>
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void
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cumulative(Home home, Cap c, const TaskTypeArgs& t,
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const IntVarArgs& s, const IntArgs& p, const IntArgs& u,
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IntPropLevel ipl) {
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if ((s.size() != p.size()) || (s.size() != u.size()) ||
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(s.size() != t.size()))
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throw ArgumentSizeMismatch("Int::cumulative");
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long long int w = 0;
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for (int i=0; i<p.size(); i++) {
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Limits::nonnegative(p[i],"Int::cumulative");
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Limits::nonnegative(u[i],"Int::cumulative");
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Limits::check(static_cast<long long int>(s[i].max()) + p[i],
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"Int::cumulative");
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mul_check(p[i],u[i]);
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w += s[i].width();
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}
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mul_check(c.max(),w,s.size());
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GECODE_POST;
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int minU = INT_MAX; int minU2 = INT_MAX; int maxU = INT_MIN;
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for (int i=0; i<u.size(); i++) {
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if (u[i] < minU) {
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minU2 = minU;
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minU = u[i];
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} else if (u[i] < minU2)
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minU2 = u[i];
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if (u[i] > maxU)
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maxU = u[i];
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}
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bool disjunctive =
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(minU > c.max()/2) || (minU2 > c.max()/2 && minU+minU2>c.max());
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if (disjunctive) {
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GECODE_ME_FAIL(c.gq(home,maxU));
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unary(home,t,s,p,ipl);
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} else {
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bool fixp = true;
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for (int i=0; i<t.size(); i++)
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if (t[i] != TT_FIXP) {
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fixp = false; break;
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}
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int nonOptionals = 0;
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for (int i=0; i<u.size(); i++)
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if (u[i]>0) nonOptionals++;
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if (fixp) {
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TaskArray<ManFixPTask> tasks(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i] > 0)
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tasks[cur++].init(s[i],p[i],u[i]);
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GECODE_ES_FAIL(manpost(home,c,tasks,ipl));
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} else {
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TaskArray<ManFixPSETask> tasks(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i] > 0)
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tasks[cur++].init(t[i],s[i],p[i],u[i]);
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GECODE_ES_FAIL(manpost(home,c,tasks,ipl));
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}
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}
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}
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template<class Cap>
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void
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cumulative(Home home, Cap c, const TaskTypeArgs& t,
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const IntVarArgs& s, const IntArgs& p, const IntArgs& u,
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const BoolVarArgs& m, IntPropLevel ipl) {
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using namespace Gecode::Int;
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using namespace Gecode::Int::Cumulative;
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if ((s.size() != p.size()) || (s.size() != u.size()) ||
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(s.size() != t.size()) || (s.size() != m.size()))
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throw Int::ArgumentSizeMismatch("Int::cumulative");
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long long int w = 0;
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for (int i=0; i<p.size(); i++) {
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Limits::nonnegative(p[i],"Int::cumulative");
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Limits::nonnegative(u[i],"Int::cumulative");
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Limits::check(static_cast<long long int>(s[i].max()) + p[i],
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"Int::cumulative");
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mul_check(p[i],u[i]);
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w += s[i].width();
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}
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mul_check(c.max(),w,s.size());
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GECODE_POST;
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bool allMandatory = true;
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for (int i=0; i<m.size(); i++) {
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if (!m[i].one()) {
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allMandatory = false;
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break;
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}
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}
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if (allMandatory) {
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cumulative(home,c,t,s,p,u,ipl);
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} else {
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bool fixp = true;
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for (int i=0; i<t.size(); i++)
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if (t[i] != TT_FIXP) {
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fixp = false; break;
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}
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int nonOptionals = 0;
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for (int i=0; i<u.size(); i++)
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if (u[i]>0) nonOptionals++;
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if (fixp) {
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TaskArray<OptFixPTask> tasks(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i]>0)
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tasks[cur++].init(s[i],p[i],u[i],m[i]);
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GECODE_ES_FAIL(optpost(home,c,tasks,ipl));
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} else {
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TaskArray<OptFixPSETask> tasks(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i]>0)
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tasks[cur++].init(t[i],s[i],p[i],u[i],m[i]);
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GECODE_ES_FAIL(optpost(home,c,tasks,ipl));
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}
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}
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}
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template<class Cap>
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void
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cumulative(Home home, Cap c, const IntVarArgs& s,
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const IntArgs& p, const IntArgs& u, IntPropLevel ipl) {
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using namespace Gecode::Int;
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using namespace Gecode::Int::Cumulative;
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if ((s.size() != p.size()) || (s.size() != u.size()))
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throw Int::ArgumentSizeMismatch("Int::cumulative");
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long long int w = 0;
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for (int i=0; i<p.size(); i++) {
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Limits::nonnegative(p[i],"Int::cumulative");
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Limits::nonnegative(u[i],"Int::cumulative");
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Limits::check(static_cast<long long int>(s[i].max()) + p[i],
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"Int::cumulative");
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mul_check(p[i],u[i]);
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w += s[i].width();
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}
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mul_check(c.max(),w,s.size());
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GECODE_POST;
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int minU = INT_MAX; int minU2 = INT_MAX; int maxU = INT_MIN;
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for (int i=0; i<u.size(); i++) {
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if (u[i] < minU) {
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minU2 = minU;
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minU = u[i];
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} else if (u[i] < minU2)
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minU2 = u[i];
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if (u[i] > maxU)
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maxU = u[i];
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}
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bool disjunctive =
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(minU > c.max()/2) || (minU2 > c.max()/2 && minU+minU2>c.max());
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if (disjunctive) {
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GECODE_ME_FAIL(c.gq(home,maxU));
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unary(home,s,p,ipl);
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} else {
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int nonOptionals = 0;
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for (int i=0; i<u.size(); i++)
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if (u[i]>0) nonOptionals++;
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TaskArray<ManFixPTask> t(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i]>0)
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t[cur++].init(s[i],p[i],u[i]);
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GECODE_ES_FAIL(manpost(home,c,t,ipl));
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}
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}
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template<class Cap>
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void
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cumulative(Home home, Cap c, const IntVarArgs& s, const IntArgs& p,
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const IntArgs& u, const BoolVarArgs& m, IntPropLevel ipl) {
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using namespace Gecode::Int;
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using namespace Gecode::Int::Cumulative;
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if ((s.size() != p.size()) || (s.size() != u.size()) ||
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(s.size() != m.size()))
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throw Int::ArgumentSizeMismatch("Int::cumulative");
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long long int w = 0;
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for (int i=0; i<p.size(); i++) {
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Limits::nonnegative(p[i],"Int::cumulative");
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Limits::nonnegative(u[i],"Int::cumulative");
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Limits::check(static_cast<long long int>(s[i].max()) + p[i],
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"Int::cumulative");
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mul_check(p[i],u[i]);
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w += s[i].width();
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}
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mul_check(c.max(),w,s.size());
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GECODE_POST;
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bool allMandatory = true;
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for (int i=0; i<m.size(); i++) {
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if (!m[i].one()) {
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allMandatory = false;
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break;
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}
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}
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if (allMandatory) {
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cumulative(home,c,s,p,u,ipl);
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} else {
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int nonOptionals = 0;
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for (int i=0; i<u.size(); i++)
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if (u[i]>0) nonOptionals++;
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TaskArray<OptFixPTask> t(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i]>0)
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t[cur++].init(s[i],p[i],u[i],m[i]);
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GECODE_ES_FAIL(optpost(home,c,t,ipl));
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}
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}
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template<class Cap>
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void
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cumulative(Home home, Cap c, const IntVarArgs& s,
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const IntVarArgs& p, const IntVarArgs& e,
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const IntArgs& u, IntPropLevel ipl) {
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using namespace Gecode::Int;
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using namespace Gecode::Int::Cumulative;
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if ((s.size() != p.size()) || (s.size() != e.size()) ||
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(s.size() != u.size()))
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throw Int::ArgumentSizeMismatch("Int::cumulative");
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long long int w = 0;
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for (int i=0; i<p.size(); i++) {
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Limits::nonnegative(u[i],"Int::cumulative");
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Limits::check(static_cast<long long int>(s[i].max()) + p[i].max(),
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"Int::cumulative");
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mul_check(p[i].max(),u[i]);
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w += s[i].width();
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}
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mul_check(c.max(),w,s.size());
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GECODE_POST;
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for (int i=0; i<p.size(); i++)
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GECODE_ME_FAIL(IntView(p[i]).gq(home,0));
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bool fixP = true;
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for (int i=0; i<p.size(); i++) {
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if (!p[i].assigned()) {
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fixP = false;
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break;
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}
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}
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if (fixP) {
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IntArgs pp(p.size());
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for (int i=0; i<p.size(); i++)
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pp[i] = p[i].val();
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cumulative(home,c,s,pp,u,ipl);
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} else {
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int nonOptionals = 0;
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for (int i=0; i<u.size(); i++)
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if (u[i]>0) nonOptionals++;
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TaskArray<ManFlexTask> t(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i]>0)
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t[cur++].init(s[i],p[i],e[i],u[i]);
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GECODE_ES_FAIL(manpost(home,c,t,ipl));
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}
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}
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template<class Cap>
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void
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cumulative(Home home, Cap c, const IntVarArgs& s, const IntVarArgs& p,
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const IntVarArgs& e, const IntArgs& u, const BoolVarArgs& m,
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IntPropLevel ipl) {
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using namespace Gecode::Int;
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using namespace Gecode::Int::Cumulative;
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if ((s.size() != p.size()) || (s.size() != u.size()) ||
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(s.size() != e.size()) || (s.size() != m.size()))
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throw Int::ArgumentSizeMismatch("Int::cumulative");
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long long int w = 0;
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for (int i=0; i<p.size(); i++) {
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Limits::nonnegative(u[i],"Int::cumulative");
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Limits::check(static_cast<long long int>(s[i].max()) + p[i].max(),
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"Int::cumulative");
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mul_check(p[i].max(),u[i]);
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w += s[i].width();
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}
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mul_check(c.max(),w,s.size());
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GECODE_POST;
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for (int i=0; i<p.size(); i++)
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GECODE_ME_FAIL(IntView(p[i]).gq(home,0));
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bool allMandatory = true;
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for (int i=0; i<m.size(); i++) {
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if (!m[i].one()) {
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allMandatory = false;
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break;
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}
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}
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if (allMandatory) {
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cumulative(home,c,s,p,e,u,ipl);
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} else {
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int nonOptionals = 0;
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for (int i=0; i<u.size(); i++)
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if (u[i]>0) nonOptionals++;
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TaskArray<OptFlexTask> t(home,nonOptionals);
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int cur = 0;
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for (int i=0; i<s.size(); i++)
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if (u[i]>0)
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t[cur++].init(s[i],p[i],e[i],u[i],m[i]);
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GECODE_ES_FAIL(optpost(home,c,t,ipl));
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}
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}
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}}}
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namespace Gecode {
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void
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cumulative(Home home, int c, const TaskTypeArgs& t,
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const IntVarArgs& s, const IntArgs& p, const IntArgs& u,
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IntPropLevel ipl) {
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Int::Limits::nonnegative(c,"Int::cumulative");
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Int::Cumulative::cumulative(home,Int::ConstIntView(c),t,s,p,u,ipl);
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}
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void
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cumulative(Home home, IntVar c, const TaskTypeArgs& t,
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const IntVarArgs& s, const IntArgs& p, const IntArgs& u,
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IntPropLevel ipl) {
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if (c.assigned())
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cumulative(home,c.val(),t,s,p,u,ipl);
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else
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Int::Cumulative::cumulative(home,Int::IntView(c),t,s,p,u,ipl);
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}
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void
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cumulative(Home home, int c, const TaskTypeArgs& t,
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const IntVarArgs& s, const IntArgs& p, const IntArgs& u,
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const BoolVarArgs& m, IntPropLevel ipl) {
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Int::Limits::nonnegative(c,"Int::cumulative");
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Int::Cumulative::cumulative(home,Int::ConstIntView(c),t,s,p,u,m,ipl);
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}
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void
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cumulative(Home home, IntVar c, const TaskTypeArgs& t,
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const IntVarArgs& s, const IntArgs& p, const IntArgs& u,
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const BoolVarArgs& m, IntPropLevel ipl) {
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if (c.assigned())
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cumulative(home,c.val(),t,s,p,u,m,ipl);
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else
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Int::Cumulative::cumulative(home,Int::IntView(c),t,s,p,u,m,ipl);
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}
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void
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cumulative(Home home, int c, const IntVarArgs& s,
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const IntArgs& p, const IntArgs& u, IntPropLevel ipl) {
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Int::Limits::nonnegative(c,"Int::cumulative");
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Int::Cumulative::cumulative(home,Int::ConstIntView(c),s,p,u,ipl);
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}
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void
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cumulative(Home home, IntVar c, const IntVarArgs& s,
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const IntArgs& p, const IntArgs& u, IntPropLevel ipl) {
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if (c.assigned())
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cumulative(home,c.val(),s,p,u,ipl);
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else
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Int::Cumulative::cumulative(home,Int::IntView(c),s,p,u,ipl);
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}
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void
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cumulative(Home home, int c, const IntVarArgs& s, const IntArgs& p,
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const IntArgs& u, const BoolVarArgs& m, IntPropLevel ipl) {
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Int::Limits::nonnegative(c,"Int::cumulative");
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Int::Cumulative::cumulative(home,Int::ConstIntView(c),s,p,u,m,ipl);
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}
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void
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cumulative(Home home, IntVar c, const IntVarArgs& s, const IntArgs& p,
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const IntArgs& u, const BoolVarArgs& m, IntPropLevel ipl) {
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if (c.assigned())
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cumulative(home,c.val(),s,p,u,m,ipl);
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else
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Int::Cumulative::cumulative(home,Int::IntView(c),s,p,u,m,ipl);
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}
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void
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cumulative(Home home, int c, const IntVarArgs& s,
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const IntVarArgs& p, const IntVarArgs& e,
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const IntArgs& u, IntPropLevel ipl) {
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Int::Limits::nonnegative(c,"Int::cumulative");
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Int::Cumulative::cumulative(home,Int::ConstIntView(c),s,p,e,u,ipl);
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}
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void
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cumulative(Home home, IntVar c, const IntVarArgs& s,
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const IntVarArgs& p, const IntVarArgs& e,
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const IntArgs& u, IntPropLevel ipl) {
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if (c.assigned())
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cumulative(home,c.val(),s,p,e,u,ipl);
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else
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Int::Cumulative::cumulative(home,Int::IntView(c),s,p,e,u,ipl);
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}
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void
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cumulative(Home home, int c, const IntVarArgs& s, const IntVarArgs& p,
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const IntVarArgs& e, const IntArgs& u, const BoolVarArgs& m,
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IntPropLevel ipl) {
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Int::Limits::nonnegative(c,"Int::cumulative");
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Int::Cumulative::cumulative(home,Int::ConstIntView(c),s,p,e,u,m,ipl);
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}
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void
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cumulative(Home home, IntVar c, const IntVarArgs& s, const IntVarArgs& p,
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const IntVarArgs& e, const IntArgs& u, const BoolVarArgs& m,
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IntPropLevel ipl) {
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if (c.assigned())
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cumulative(home,c.val(),s,p,e,u,m,ipl);
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else
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Int::Cumulative::cumulative(home,Int::IntView(c),s,p,e,u,m,ipl);
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}
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}
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// STATISTICS: int-post
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