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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2016
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
22 * included in all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 *
32 */
33
34#include <iomanip>
35#include <gecode/int.hh>
36
37namespace Gecode {
38
39 StdIntTracer::StdIntTracer(std::ostream& os0)
40 : os(os0) {}
41
42 void
43 StdIntTracer::init(const Space&, const IntTraceRecorder& t) {
44 os << "trace<Int>::init(id:" << t.id();
45 if (t.group().in())
46 os << ",g:" << t.group().id();
47 os << ") slack: 100.00% (" << t.slack().initial() << " values)"
48 << std::endl;
49 }
50
51 void
52 StdIntTracer::prune(const Space&, const IntTraceRecorder& t,
53 const ViewTraceInfo& vti, int i, IntTraceDelta& d) {
54 os << "trace<Int>::prune(id:" << t.id();
55 if (t.group().in())
56 os << ",g:" << t.group().id();
57 os << "): [" << i << "] = " << t[i] << " - {";
58 os << d.min();
59 if (d.width() > 1)
60 os << ".." << d.max();
61 ++d;
62 while (d()) {
63 os << ',' << d.min();
64 if (d.width() > 1)
65 os << ".." << d.max();
66 ++d;
67 }
68 os << "} by " << vti << std::endl;
69 }
70
71 void
72 StdIntTracer::fix(const Space&, const IntTraceRecorder& t) {
73 os << "trace<Int>::fix(id:" << t.id();
74 if (t.group().in())
75 os << ",g:" << t.group().id();
76 os << ") slack: ";
77 double sl_i = static_cast<double>(t.slack().initial());
78 double sl_p = static_cast<double>(t.slack().previous());
79 double sl_c = static_cast<double>(t.slack().current());
80 double p_c = 100.0 * (sl_c / sl_i);
81 double p_d = 100.0 * (sl_p / sl_i) - p_c;
82 os << std::showpoint << std::setprecision(4)
83 << p_c << "% - "
84 << std::showpoint << std::setprecision(4)
85 << p_d << '%'
86 << std::endl;
87 }
88
89 void
90 StdIntTracer::fail(const Space&, const IntTraceRecorder& t) {
91 os << "trace<Int>::fail(id:" << t.id();
92 if (t.group().in())
93 os << ",g:" << t.group().id();
94 os << ") slack: ";
95 double sl_i = static_cast<double>(t.slack().initial());
96 double sl_p = static_cast<double>(t.slack().previous());
97 double sl_c = static_cast<double>(t.slack().current());
98 double p_c = 100.0 * (sl_c / sl_i);
99 double p_d = 100.0 * (sl_p / sl_i) - p_c;
100 os << std::showpoint << std::setprecision(4)
101 << p_c << "% - "
102 << std::showpoint << std::setprecision(4)
103 << p_d << '%'
104 << std::endl;
105 }
106
107 void
108 StdIntTracer::done(const Space&, const IntTraceRecorder& t) {
109 os << "trace<Int>::done(id:" << t.id();
110 if (t.group().in())
111 os << ",g:" << t.group().id();
112 os << ") slack: 0%" << std::endl;
113 }
114
115 StdIntTracer StdIntTracer::def;
116
117
118
119 StdBoolTracer::StdBoolTracer(std::ostream& os0)
120 : os(os0) {}
121
122 void
123 StdBoolTracer::init(const Space&, const BoolTraceRecorder& t) {
124 os << "trace<Bool>::init(id:" << t.id();
125 if (t.group().in())
126 os << ",g:" << t.group().id();
127 os << ") slack: 100% (" << t.slack().initial() << " values)"
128 << std::endl;
129 }
130
131 void
132 StdBoolTracer::prune(const Space&, const BoolTraceRecorder& t,
133 const ViewTraceInfo& vti, int i, BoolTraceDelta& d) {
134 os << "trace<Bool>::prune(id:" << t.id();
135 if (t.group().in())
136 os << ",g:" << t.group().id();
137 os << "): [" << i << "] = " << t[i] << " - {";
138 os << d.min();
139 if (d.width() > 1)
140 os << ".." << d.max();
141 ++d;
142 while (d()) {
143 os << ',' << d.min();
144 if (d.width() > 1)
145 os << ".." << d.max();
146 ++d;
147 }
148 os << "} by " << vti << std::endl;
149 }
150
151 void
152 StdBoolTracer::fix(const Space&, const BoolTraceRecorder& t) {
153 os << "trace<Bool>::fix(id:" << t.id();
154 if (t.group().in())
155 os << ",g:" << t.group().id();
156 os << ") slack: ";
157 double sl_i = static_cast<double>(t.slack().initial());
158 double sl_p = static_cast<double>(t.slack().previous());
159 double sl_c = static_cast<double>(t.slack().current());
160 double p_c = 100.0 * (sl_c / sl_i);
161 double p_d = 100.0 * (sl_p / sl_i) - p_c;
162 os << std::showpoint << std::setprecision(4)
163 << p_c << "% - "
164 << std::showpoint << std::setprecision(4)
165 << p_d << '%'
166 << std::endl;
167 }
168
169 void
170 StdBoolTracer::fail(const Space&, const BoolTraceRecorder& t) {
171 os << "trace<Bool>::fail(id:" << t.id();
172 if (t.group().in())
173 os << ",g:" << t.group().id();
174 os << ") slack: ";
175 double sl_i = static_cast<double>(t.slack().initial());
176 double sl_p = static_cast<double>(t.slack().previous());
177 double sl_c = static_cast<double>(t.slack().current());
178 double p_c = 100.0 * (sl_c / sl_i);
179 double p_d = 100.0 * (sl_p / sl_i) - p_c;
180 os << std::showpoint << std::setprecision(4)
181 << p_c << "% - "
182 << std::showpoint << std::setprecision(4)
183 << p_d << '%'
184 << std::endl;
185 }
186
187 void
188 StdBoolTracer::done(const Space&, const BoolTraceRecorder& t) {
189 os << "trace<Bool>::done(id:" << t.id();
190 if (t.group().in())
191 os << ",g:" << t.group().id();
192 os << ") slack: 0%" << std::endl;
193 }
194
195 StdBoolTracer StdBoolTracer::def;
196
197}
198
199// STATISTICS: int-trace