Newer
Older
Peterson, Peter
committed
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
#ifndef STATISTICSTEST_H_
#define STATISTICSTEST_H_
#include <cxxtest/TestSuite.h>
#include <vector>
#include <string>
#include "MantidKernel/Statistics.h"
using namespace Mantid::Kernel;
using std::string;
using std::vector;
class StatisticsTest : public CxxTest::TestSuite
{
public:
void testDoubleOdd()
{
vector<double> data;
data.push_back(17.2);
data.push_back(18.1);
data.push_back(16.5);
data.push_back(18.3);
data.push_back(12.6);
Statistics stats = getStatistics(data);
TS_ASSERT_EQUALS(stats.mean, 16.54);
TS_ASSERT_DELTA(stats.standard_deviation, 2.0732, 0.0001);
TS_ASSERT_EQUALS(stats.minimum, 12.6);
TS_ASSERT_EQUALS(stats.maximum, 18.3);
TS_ASSERT_EQUALS(stats.median, 17.2);
}
void testDoubleSingle()
{
vector<double> data;
data.push_back(42.);
Statistics stats = getStatistics(data);
TS_ASSERT_EQUALS(stats.mean, 42.);
TS_ASSERT_EQUALS(stats.standard_deviation, 0.);
TS_ASSERT_EQUALS(stats.minimum, 42.);
TS_ASSERT_EQUALS(stats.maximum, 42.);
TS_ASSERT_EQUALS(stats.median, 42.);
}
void testInt32Even()
{
vector<int32_t> data;
data.push_back(1);
data.push_back(2);
data.push_back(3);
data.push_back(4);
data.push_back(5);
data.push_back(6);
Statistics stats = getStatistics(data);
TS_ASSERT_EQUALS(stats.mean, 3.5);
TS_ASSERT_DELTA(stats.standard_deviation, 1.7078, 0.0001);
TS_ASSERT_EQUALS(stats.minimum, 1.);
TS_ASSERT_EQUALS(stats.maximum, 6.);
TS_ASSERT_EQUALS(stats.median, 3.5);
}
bool my_isnan(const double number)
{
return number != number;
}
void testString()
{
vector<string> data;
data.push_back("hi there");
Statistics stats = getStatistics(data);
TS_ASSERT(my_isnan(stats.mean));
TS_ASSERT(my_isnan(stats.standard_deviation));
TS_ASSERT(my_isnan(stats.minimum));
TS_ASSERT(my_isnan(stats.maximum));
TS_ASSERT(my_isnan(stats.median));
}
};
#endif // STATISTICSTEST_H_