tracer.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2016
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <iomanip>
#include <gecode/set.hh>
namespace Gecode {
StdSetTracer::StdSetTracer(std::ostream& os0)
: os(os0) {}
void
StdSetTracer::init(const Space&, const SetTraceRecorder& t) {
os << "trace<Set>::init(id:" << t.id();
if (t.group().in())
os << ",g:" << t.group().id();
os << ") slack: 100.00% (" << t.slack().initial() << " values)"
<< std::endl;
}
void
StdSetTracer::prune(const Space&, const SetTraceRecorder& t,
const ViewTraceInfo& vti, int i, SetTraceDelta& d) {
os << "trace<Set>::prune(id:" << t.id();
if (t.group().in())
os << ",g:" << t.group().id();
os << "): [" << i << "] = " << t[i] << " + {";
{
SetTraceDelta::Glb glb(d.glb());
if (glb()) {
os << glb.min() << ".." << glb.max();
++glb;
while (glb()) {
os << "," << glb.min() << ".." << glb.max();
++glb;
}
}
}
os << "} - {";
{
SetTraceDelta::Lub lub(d.lub());
if (lub()) {
os << lub.min() << ".." << lub.max();
++lub;
while (lub()) {
os << "," << lub.min() << ".." << lub.max();
++lub;
}
}
}
os << "} by " << vti << std::endl;
}
void
StdSetTracer::fix(const Space&, const SetTraceRecorder& t) {
os << "trace<Set>::fix(id:" << t.id();
if (t.group().in())
os << ",g:" << t.group().id();
os << ") slack: ";
double sl_i = static_cast<double>(t.slack().initial());
double sl_p = static_cast<double>(t.slack().previous());
double sl_c = static_cast<double>(t.slack().current());
double p_c = 100.0 * (sl_c / sl_i);
double p_d = 100.0 * (sl_p / sl_i) - p_c;
os << std::showpoint << std::setprecision(4)
<< p_c << "% - "
<< std::showpoint << std::setprecision(4)
<< p_d << '%'
<< std::endl;
}
void
StdSetTracer::fail(const Space&, const SetTraceRecorder& t) {
os << "trace<Set>::fail(id:" << t.id();
if (t.group().in())
os << ",g:" << t.group().id();
os << ") slack: ";
double sl_i = static_cast<double>(t.slack().initial());
double sl_p = static_cast<double>(t.slack().previous());
double sl_c = static_cast<double>(t.slack().current());
double p_c = 100.0 * (sl_c / sl_i);
double p_d = 100.0 * (sl_p / sl_i) - p_c;
os << std::showpoint << std::setprecision(4)
<< p_c << "% - "
<< std::showpoint << std::setprecision(4)
<< p_d << '%'
<< std::endl;
}
void
StdSetTracer::done(const Space&, const SetTraceRecorder& t) {
os << "trace<Set>::done(id:" << t.id();
if (t.group().in())
os << ",g:" << t.group().id();
os << ") slack: 0%" << std::endl;
}
StdSetTracer StdSetTracer::def;
}
// STATISTICS: set-trace
Gecode::Group::id
unsigned int id(void) const
Return a unique id for the group.
Definition core.hpp:4974
Gecode::Group::in
bool in(Group a) const
Check whether actor group a is included in this group.
Definition core.hpp:4956
Gecode::Iter::Ranges::MinMax::min
int min(void) const
Return smallest value of range.
Definition ranges-minmax.hpp:99
Gecode::Iter::Ranges::MinMax::max
int max(void) const
Return largest value of range.
Definition ranges-minmax.hpp:103
Gecode::Propagator::id
unsigned int id(void) const
Return propagator id.
Definition core.hpp:3542
Gecode::Propagator::group
PropagatorGroup group(void) const
Return group propagator belongs to.
Definition core.hpp:3547
Gecode::SetTraceDelta::Glb
Delta for the greatest lower bound.
Definition set.hh:1755
Gecode::SetTraceDelta::Lub
Delta for the least upper bound.
Definition set.hh:1772
Gecode::SetTraceDelta
Trace delta information for set variables.
Definition set.hh:1748
Gecode::Space
Computation spaces.
Definition core.hpp:1742
Gecode::StdSetTracer
Standard set variable tracer.
Definition set.hh:1823
Gecode::StdSetTracer::done
virtual void done(const Space &home, const SetTraceRecorder &t)
Print that trace recorder is done.
Definition tracer.cpp:121
Gecode::StdSetTracer::init
virtual void init(const Space &home, const SetTraceRecorder &t)
Print init information.
Definition tracer.cpp:43
Gecode::StdSetTracer::StdSetTracer
StdSetTracer(std::ostream &os0=std::cerr)
Initialize with output stream os0.
Definition tracer.cpp:39
Gecode::StdSetTracer::fail
virtual void fail(const Space &home, const SetTraceRecorder &t)
Print failure information.
Definition tracer.cpp:103
Gecode::StdSetTracer::prune
virtual void prune(const Space &home, const SetTraceRecorder &t, const ViewTraceInfo &vti, int i, SetTraceDelta &d)
Print prune information.
Definition tracer.cpp:52
Gecode::StdSetTracer::fix
virtual void fix(const Space &home, const SetTraceRecorder &t)
Print fixpoint information.
Definition tracer.cpp:85
Gecode::StdSetTracer::os
std::ostream & os
Output stream to use.
Definition set.hh:1826
Gecode::StdSetTracer::def
static StdSetTracer def
Default tracer (printing to std::cerr).
Definition set.hh:1842
Gecode::ViewTraceInfo
View trace information.
Definition core.hpp:908
Gecode::ViewTraceRecorder::slack
const Slack & slack(void) const
Provide access to slack information.
Definition recorder.hpp:208
set.hh
Gecode::SetTraceRecorder
ViewTraceRecorder< Set::SetView > SetTraceRecorder
Trace recorder for set variables.
Definition set.hh:1817
Gecode
Gecode toplevel namespace