DGtal 1.3.0
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testMultiStatistics.cpp
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1
31#include <iostream>
32#include "DGtal/base/Common.h"
33#include "ConfigTest.h"
34#include "DGtalCatch.h"
35#include "DGtal/helpers/StdDefs.h"
36#include "DGtal/math/MultiStatistics.h"
38
39using namespace std;
40using namespace DGtal;
41
43// Functions for testing class MultiStatistics.
45
46TEST_CASE( "Testing MultiStatistics" )
47{
48 MultiStatistics stats (100, false);
49 for(unsigned int i = 0; i< 100; i++)
50 {
51 for(unsigned int j = 0; j<= i; j++)
52 {
53 stats.addValue(i, j);
54 }
55 }
56 stats.terminate();
57
58 SECTION("Testing multiStatics estimated quantities without saving the data")
59 {
60 unsigned int val = 50;
61 REQUIRE( stats.max(val) == val );
62 REQUIRE( stats.min(val) == 0 );
63 REQUIRE( stats.mean(val) == val/2.0 );
64 val = 31;
65 REQUIRE( stats.max(val) == val );
66 REQUIRE( stats.min(val) == 0 );
67 REQUIRE( stats.mean(val) == val/2.0 );
68 }
69
70 MultiStatistics stats2 (100, true);
71 for(unsigned int i = 0; i< 100; i++)
72 {
73 for(unsigned int j = 0; j<= i; j++)
74 {
75 stats2.addValue(i, j);
76 }
77 }
78 stats2.terminate();
79
80 SECTION("Testing multiStatics estimated quantities with saving the data")
81 {
82 unsigned int val = 12;
83 REQUIRE( stats2.max(val) == val );
84 REQUIRE( stats2.min(val) == 0 );
85 REQUIRE( stats2.mean(val) == val/2.0 );
86 REQUIRE( stats2.median(val) == ((val+1)/2) );
87 val = 33;
88 REQUIRE( stats2.max(val) == val );
89 REQUIRE( stats2.min(val) == 0 );
90 REQUIRE( stats2.mean(val) == val/2.0 );
91 REQUIRE( stats2.median(val) == ((val+1)/2) );
92 }
93
94
95 MultiStatistics stats3 (100, true);
96 for(unsigned int i = 0; i< 100; i++)
97 {
98 std::vector<double> vectValues;
99 for(unsigned int j = 0; j<= i; j++)
100 {
101 vectValues.push_back(j);
102 }
103 stats3.addValues(i, vectValues.begin(), vectValues.end());
104 }
105 stats3.terminate();
106
107 SECTION("Testing feature math of MultiStatistics with saving data")
108 {
109 unsigned int val = 12;
110 REQUIRE( stats3.max(val) == val );
111 REQUIRE( stats3.min(val) == 0 );
112 REQUIRE( stats3.mean(val) == val/2.0 );
113 REQUIRE( stats3.median(val) == ((val+1)/2) );
114 val = 33;
115 REQUIRE( stats3.max(val) == val );
116 REQUIRE( stats3.min(val) == 0 );
117 REQUIRE( stats3.mean(val) == val/2.0 );
118 REQUIRE( stats3.median(val) == ((val+1)/2) );
119 }
120
121
122}
123
Aim: This class stores a set of sample values for several variables and can then compute different st...
double max(const unsigned int k) const
double mean(const unsigned int k) const
void addValue(unsigned int k, double v)
void addValues(const unsigned int k, Iter b, Iter e)
double median(const unsigned int k)
double min(const unsigned int k) const
DGtal is the top-level namespace which contains all DGtal functions and types.
STL namespace.
TEST_CASE("Testing MultiStatistics")
SECTION("Testing constant forward iterators")
REQUIRE(domain.isInside(aPoint))