dds-bridge-sys 2.1.1

Generated bindings to DDS, the double dummy solver for bridge
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100

/*
   DDS, a bridge double dummy solver.

   Copyright (C) 2006-2014 by Bo Haglund /
   2014-2018 by Bo Haglund & Soren Hein.

   See LICENSE and README.
*/


#include <iostream>
#include <iomanip>
#include <sstream>
#include <math.h>

#include "TimeStat.h"


TimeStat::TimeStat()
{
  TimeStat::Reset();
}


TimeStat::~TimeStat()
{
}


void TimeStat::Reset()
{
  number = 0;
  cum = 0;
  cumsq = 0.;
}


void TimeStat::Set(const int timeUser)
{
  number = 1;
  cum = timeUser;
  cumsq = static_cast<double>(timeUser) * static_cast<double>(timeUser);
}


void TimeStat::Set(
  const int timeUser,
  const double timesq)
{
  number = 1;
  cum = timeUser;
  cumsq = timesq;
}


void TimeStat::operator +=(const TimeStat& add)
{
  number += add.number;
  cum += add.cum;
  cumsq += add.cumsq;
}


bool TimeStat::Used() const
{
  return (number > 0);
}

string TimeStat::Header() const
{
  stringstream ss;
  ss << setw(5) << right << "n" <<
    setw(9) << right << "Number" <<
    setw(13) << "Cum time" <<
    setw(13) << "Average" <<
    setw(13) << "Sdev" <<
    setw(13) << "Sdev/mu" << "\n";

  return ss.str();
}


string TimeStat::Line() const
{
  if (number == 0)
    return "";

  double avg = static_cast<double>(cum) / static_cast<double>(number);
  double arg = (cumsq / static_cast<double>(number)) - avg * avg;
  double sdev = (arg >= 0. ? sqrt(arg) : 0.);

  stringstream ss;
  ss << setw(9) << right << number <<
    setw(13) << cum <<
    setw(13) << setprecision(0) << fixed << avg <<
    setw(13) << setprecision(0) << fixed << sdev <<
    setw(13) << setprecision(2) << fixed << sdev/avg << "\n";

  return ss.str();
}