DGtal 1.4.0
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testIndexedListWithBlocks.cpp
Go to the documentation of this file.
1
29//#define TRACE_BITS
30
31#include <cstdio>
32#include <cmath>
33#include <iostream>
34#include <algorithm>
35#include <vector>
36#include "DGtal/base/Common.h"
37#include "DGtal/base/IndexedListWithBlocks.h"
38#include "DGtal/base/Labels.h"
39
40using namespace DGtal;
41using namespace std;
42
43template <typename Container1, typename Container2>
44bool
45isEqual( Container1 & c1, Container2 & c2 )
46{
47 return ( c1.size() == c2.size() )
48 && std::equal( c1.begin(), c1.end(), c2.begin() );
49}
50
51template <typename VContainer1, typename LContainer2>
52void insert( VContainer1 & c1, LContainer2 & c2, unsigned int idx, double v )
53{
54 c1.insert( c1.begin() + idx, v );
55 c2.insert( idx, v );
56}
57
58template <typename VContainer1, typename LContainer2>
59bool
60checkInsert( VContainer1 & v, LContainer2 & l,
61 unsigned int nb )
62{
63 for ( unsigned int i = 0; i < nb; ++i )
64 {
65 unsigned int idx = rand() % ( l.size() + 1 );
66 double val = ( (double)rand() ) / RAND_MAX;
67 insert( v, l, idx, val );
68 }
69 return isEqual( v, l );
70}
71
72template <typename VContainer1, typename LContainer2>
73void erase( VContainer1 & c1, LContainer2 & c2, unsigned int idx )
74{
75 c1.erase( c1.begin() + idx );
76 c2.erase( idx );
77}
78
79template <typename VContainer1, typename LContainer2>
80bool
81checkErase( VContainer1 & v, LContainer2 & l,
82 unsigned int nb )
83{
84 for ( unsigned int i = 0; i < nb; ++i )
85 {
86 unsigned int idx = rand() % ( l.size() );
87 erase( v, l, idx );
88 }
89 return isEqual( v, l );
90}
91
92
93int main()
94{
95 typedef IndexedListWithBlocks<double, 2, 10> MyIndexedList;
96 BOOST_CONCEPT_ASSERT(( boost::Container< MyIndexedList > ));
99 unsigned int nb = 0;
100 unsigned int nbok = 0;
101 trace.beginBlock ( "Testing IndexedListWithBlocks" );
102 MyIndexedList l;
103 vector<double> v;
104 ++nb; nbok += isEqual( v, l ) ? 1 : 0;
105 std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
106 insert( v, l, 0, 4.5 );
107 ++nb; nbok += isEqual( v, l ) ? 1 : 0;
108 std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
109 insert( v, l, 0, 10.1 );
110 ++nb; nbok += isEqual( v, l ) ? 1 : 0;
111 std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
112 insert( v, l, 1, 3.7 );
113 ++nb; nbok += isEqual( v, l ) ? 1 : 0;
114 std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
115 insert( v, l, 2, 8.4 );
116 insert( v, l, 1, 2.1 );
117 ++nb; nbok += isEqual( v, l ) ? 1 : 0;
118 std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
119 insert( v, l, 2, -3.0 );
120 ++nb; nbok += isEqual( v, l ) ? 1 : 0;
121 std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
122 insert( v, l, (unsigned int)v.size(), -13.1 );
123 ++nb; nbok += isEqual( v, l ) ? 1 : 0;
124 std::cout << "(" << nbok << "/" << nb << ") l=" << l << std::endl;
125 ++nb; nbok += checkInsert( v, l, 10000 ) ? 1 : 0;
126 std::cout << "(" << nbok << "/" << nb << ") 10000 insertions" << std::endl;
127 ++nb; nbok += checkErase( v, l, 10000 ) ? 1 : 0;
128 std::cout << "(" << nbok << "/" << nb << ") 10000 deletions l=" << l << std::endl;
129 trace.endBlock();
130 return ( nb == nbok ) ? 0 : 1;
131}
Aim: Represents a mixed list/array structure which is useful in some context. It is essentially a lis...
void beginBlock(const std::string &keyword="")
double endBlock()
DGtal is the top-level namespace which contains all DGtal functions and types.
Trace trace
Definition Common.h:153
STL namespace.
Go to http://www.sgi.com/tech/stl/Container.html.
Definition Boost.dox:104
Go to http://www.sgi.com/tech/stl/ForwardIterator.html.
Definition Boost.dox:40
void erase(VContainer1 &c1, LContainer2 &c2, unsigned int idx)
bool isEqual(Container1 &c1, Container2 &c2)
bool checkInsert(VContainer1 &v, LContainer2 &l, unsigned int nb)
void insert(VContainer1 &c1, LContainer2 &c2, unsigned int idx, double v)
bool checkErase(VContainer1 &v, LContainer2 &l, unsigned int nb)