The document is a reference manual generated by Doxygen for a C++ class named 'librarytime', which is designed to measure elapsed time for specific tasks. It includes detailed descriptions of the class constructors, destructors, and member functions for starting, stopping, and retrieving time intervals, as well as a main function example that demonstrates its usage. The manual provides an index of classes and files related to the librarytime functionality.

1. Reference Manual
Generated by Doxygen 1.6.3
Sun Dec 4 13:27:43 2011

2. Contents
1
1
1.1
2
Class Index
1
Class List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
2.1
3
File Index
3
File List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Class Documentation
5
3.1
LibraryTime Class Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
3.1.1
Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
3.1.2
Constructor & Destructor Documentation . . . . . . . . . . . . . . . . . . . . . .
5
3.1.2.1
LibraryTime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
3.1.2.2
∼LibraryTime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
Member Function Documentation . . . . . . . . . . . . . . . . . . . . . . . . . .
6
3.1.3.1
Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
3.1.3.2
Get . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
3.1.3.3
Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
3.1.3.4
Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
3.1.3
4
File Documentation
9
4.1
LibraryTime.cxx File Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
4.2
LibraryTime.cxx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
4.3
LibraryTime.h File Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
4.4
LibraryTime.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
4.5
Sys-LibraryTime.cpp File Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
4.5.1
Function Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
4.5.1.1
main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
Sys-LibraryTime.cpp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14
4.6

3. Chapter 1
Class Index
1.1
Class List
Here are the classes, structs, unions and interfaces with brief descriptions:
LibraryTime
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5

4. Chapter 2
File Index
2.1
File List
Here is a list of all files with brief descriptions:
LibraryTime.cxx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LibraryTime.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sys-LibraryTime.cpp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
11
13

5. Chapter 3
Class Documentation
3.1
LibraryTime Class Reference
#include <LibraryTime.h>
Public Member Functions
• LibraryTime ()
• void Start (void)
• void Stop (void)
• double Get (void)
• void Delay (const int miliseconds)
• virtual ∼LibraryTime ()
3.1.1
Detailed Description
Classe que executa verificação de tempo decorrido para realização de determinadas tarefas. Usada para
fazer análise de complexidade computacional em relação a quanto tempo um determinado trecho de código
consome para ser realizado. O retorno é dado em milisegundos com base no clock da máquina.
Definition at line 19 of file LibraryTime.h.
3.1.2
Constructor & Destructor Documentation
3.1.2.1
LibraryTime::LibraryTime () [inline]
Método construtor da classe.
Definition at line 35 of file LibraryTime.h.
00035 {};

6. 6
3.1.2.2
Class Documentation
virtual LibraryTime::∼LibraryTime () [inline, virtual]
Método destrutor da classe responsável por desalocar quaisquer recursos previamente alocados retornando
os mesmos ao sistema.
Definition at line 66 of file LibraryTime.h.
00066 {};
3.1.3
Member Function Documentation
3.1.3.1
void LibraryTime::Delay (const int miliseconds) [inline]
Método que imprime uma pausa em milisegundos na execução do fluxo do programa a partir do ponto onde
ela foi chamada.
Definition at line 59 of file LibraryTime.h.
00060
{ clock_t exit_time = clock() + miliseconds; while(clock() <= exit_time); }
3.1.3.2
double LibraryTime::Get (void) [inline]
Método responsável por retornar o intervalo em milisegundos decorrido entre as chamadas dos método
Start() e Stop()
Definition at line 53 of file LibraryTime.h.
00053 { return double( stop - start )/CLOCKS_PER_SEC; }
Here is the caller graph for this function:
LibraryTime::Get
3.1.3.3
main
void LibraryTime::Start (void) [inline]
Método responsável por capturar o tempo ou intervalo inicial de execução de alguma operação.
Definition at line 41 of file LibraryTime.h.
00041 { start = clock(); }
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LibraryTime::Start
main
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7. 3.1 LibraryTime Class Reference
3.1.3.4
7
void LibraryTime::Stop (void) [inline]
Método responsável por capturar o tempo ou intervalo de interrupção de execução de alguma operação.
Definition at line 47 of file LibraryTime.h.
00047 { stop
= clock(); }
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LibraryTime::Stop
main
The documentation for this class was generated from the following file:
• LibraryTime.h
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8. 8
Class Documentation
Generated on Sun Dec 4 13:27:43 2011 by Doxygen

9. Chapter 4
File Documentation
4.1
LibraryTime.cxx File Reference
#include "LibraryTime.h"
#include <ctime>
Include dependency graph for LibraryTime.cxx:
LibraryTime.cxx
ctime
This graph shows which files directly or indirectly include this file:
LibraryTime.cxx

10. 10
4.2
File Documentation
LibraryTime.cxx
00001 /*
00002 * TimeInterval.cpp
00003 *
00004 * Created on: 26/10/2009
00005 *
Author: Michel Alves dos Santos
00006 */
00007
00008 #include "LibraryTime.h"
00009
00010
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11. 4.3 LibraryTime.h File Reference
4.3
11
LibraryTime.h File Reference
#include <ctime>
Include dependency graph for LibraryTime.h:
LibraryTime.h
ctime
This graph shows which files directly or indirectly include this file:
LibraryTime.h
Sys-LibraryTime.cpp
Classes
• class LibraryTime
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12. 12
4.4
00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00019
00020
00024
00025
00029
00030
00031
00035
00036
00041
00042
00047
00048
00053
00054
00059
00060
00061
00066
00067
00068
00069
File Documentation
LibraryTime.h
/*
* TimeInterval.h
*
* Created on: 26/10/2009
Author: Michel Alves dos Santos
*
*/
#ifndef LIBRARYTIME_H_
#define LIBRARYTIME_H_
#include <ctime>
class LibraryTime
{
clock_t start;
clock_t stop;
public:
LibraryTime() {};
void Start(void) { start = clock(); }
void Stop(void)
{ stop
= clock(); }
double Get(void) { return double( stop - start )/CLOCKS_PER_SEC; }
void Delay(const int miliseconds)
{ clock_t exit_time = clock() + miliseconds; while(clock() <= exit_time); }
virtual ~LibraryTime() {};
};
#endif /* LIBRARYTIME_H_ */
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13. 4.5 Sys-LibraryTime.cpp File Reference
4.5
13
Sys-LibraryTime.cpp File Reference
#include <iostream>
#include "LibraryTime.h"
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Sys-LibraryTime.cpp
iostream
LibraryTime.h
ctime
Functions
• int main (int argc, char ∗argv[ ])
4.5.1
Function Documentation
4.5.1.1
int main (int argc, char ∗ argv[ ])
Função para testes com a biblioteca.
Definition at line 13 of file Sys-LibraryTime.cpp.
00014 {
00015
//Declaração de um objeto do tipo LibraryTime
00016
LibraryTime t;
00017
00018
//Inicio da captura de tempo
00019
t.Start();
00020
00021
//Mensagem de teste.
00022
std::cout << "!!!Hello World!!!" << std::endl;
00023
00024
//Término da captura de tempo
00025
t.Stop();
00026
00027
//Tempo consumido para execução do programa
00028
std::cout << "Tempo consumido: " << t.Get() << std::endl;
00029
return 0;
00030 }
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LibraryTime::Get
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LibraryTime::Start
LibraryTime::Stop
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14. 14
4.6
00001
00002
00003
00004
00005
00006
00007
00008
00009
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
File Documentation
Sys-LibraryTime.cpp
//============================================================================
// Name
: LibraryTime
// Author
: Michel Alves dos Santos
// Version
: 1.0 beta
//============================================================================
#include <iostream>
#include "LibraryTime.h"
int main(int argc, char* argv[])
{
//Declaração de um objeto do tipo LibraryTime
LibraryTime t;
//Inicio da captura de tempo
t.Start();
//Mensagem de teste.
std::cout << "!!!Hello World!!!" << std::endl;
//Término da captura de tempo
t.Stop();
//Tempo consumido para execução do programa
std::cout << "Tempo consumido: " << t.Get() << std::endl;
return 0;
}
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15. Index
∼LibraryTime
LibraryTime, 5
Delay
LibraryTime, 6
Get
LibraryTime, 6
LibraryTime, 5
∼LibraryTime, 5
Delay, 6
Get, 6
LibraryTime, 5
Start, 6
Stop, 6
LibraryTime.cxx, 9
LibraryTime.h, 11
main
Sys-LibraryTime.cpp, 13
Start
LibraryTime, 6
Stop
LibraryTime, 6
Sys-LibraryTime.cpp, 13
main, 13