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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, 2004
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining
15 * a copy of this software and associated documentation files (the
16 * "Software"), to deal in the Software without restriction, including
17 * without limitation the rights to use, copy, modify, merge, publish,
18 * distribute, sublicense, and/or sell copies of the Software, and to
19 * permit persons to whom the Software is furnished to do so, subject to
20 * the following conditions:
21 *
22 * The above copyright notice and this permission notice shall be
23 * included in all copies or substantial portions of the Software.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 *
33 */
34
35#include <gecode/driver.hh>
36
37#include <cmath>
38
39namespace Gecode { namespace Driver {
40
41 void
42 stop(Support::Timer& timer, std::ostream& os) {
43 double t = timer.stop();
44 unsigned int sec = static_cast<unsigned int>(floor(t / 1000.0));
45 unsigned int o_msec = static_cast<unsigned int>
46 (t - 1000.0*static_cast<double>(sec));
47 unsigned int min = sec / 60;
48 unsigned int o_sec = sec - 60 * min;
49 unsigned int hour = min / 60;
50 unsigned int o_min = min - 60 * hour;
51 unsigned int day = hour / 24;
52 unsigned int o_hour = hour - 24 * day;
53 if (day)
54 os << day << " days, ";
55 if (o_hour)
56 os << o_hour << ":";
57 if (o_hour || o_min) {
58 if (o_hour) {
59 os.width(2); os.fill('0');
60 }
61 os << o_min << ":";
62 os.width(2); os.fill('0');
63 }
64 os << o_sec << ".";
65 os.width(3); os.fill('0');
66 os << o_msec
67 << " ("
68 << std::showpoint << std::fixed
69 << std::setprecision(3) << t << " ms)";
70 }
71
72
73 double
74 am(double t[], unsigned int n) {
75 if (n < 1)
76 return 0.0;
77 double s = 0;
78 for (unsigned int i=0; i<n; i++)
79 s += t[i];
80 return s / n;
81 }
82
83 double
84 dev(double t[], unsigned int n) {
85 if (n < 2)
86 return 0.0;
87 double m = am(t,n);
88 double s = 0.0;
89 for (unsigned int i=0; i<n; i++) {
90 double d = t[i]-m;
91 s += d*d;
92 }
93 return ::sqrt(s / (n-1)) / m;
94 }
95
96 bool CombinedStop::sigint;
97
98}}
99
100// STATISTICS: driver-any