blob: 93982659f396e055a5ff543619f76dc79c07fbfa (
plain)
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
|
#pragma once
#include "base/base.hpp"
#include "std/sstream.hpp"
#include "std/string.hpp"
namespace my
{
template <typename T> class NoopStats
{
public:
NoopStats() {}
inline void operator() (T const &) {}
inline string GetStatsStr() const { return ""; }
};
template <typename T> class AverageStats
{
public:
AverageStats() : m_Count(0), m_Sum(0) {}
void operator() (T const & x)
{
++m_Count;
m_Sum += x;
}
string GetStatsStr() const
{
ostringstream out;
out << "N: " << m_Count;
if (m_Count > 0)
out << " Av: " << m_Sum / m_Count;
return out.str();
}
double GetAverage() const
{
return m_Count ? m_Sum / m_Count : 0.0;
}
uint32_t GetCount() const
{
return m_Count;
}
private:
uint32_t m_Count;
double m_Sum;
};
}
|