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A C++ class to make timing and extracting system time and date easier.

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FDCL-Clock

This is a C++ class to make timing and extracting system time and date easier.

Contents

  1. Quick Start
  2. Using the Class
  3. Contributing

Quick Start

Initialization

#include "fdcl/clock.hpp"

fdcl::Clock Clock;  // Simplest way
fdcl::Clock ClockNamed("Main Timer");  // Instantiate with a name

Extracting Date and Time

std::string date = Clock.get_date();
std::string time = Clock.get_system_time();

Time Elapsed

#include <unistd.h>

Clock.reset();  // Reset the epoch
usleep(1000);  // Sleep for 1 millisecond

// Get the time since epoch.
double t_millis = Clock.get_millis();
double t_seconds = Clock.get_seconds();

Time Between

Clock.init_timer();
for (int i = 0; i < 5; i++)
{
    usleep(1000);

    double dt = Clock.get_dt();
    double dt_millis = Clock.get_dt_millis();

    std::cout << "Run " << i << " :" 
        << dt << " s or "
        << dt_millis << " ms"
        << std::endl;    
}

A complete example is included in src/test_fdcl_clock.cpp. Detailed documentation is included in docs/html/index.html. To properly view this, you have to clone/download the repository and open this fine in browser.

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Using the Class

To add this to class to your code, using CMake and cloning it as a git submodule is recommended. This instructions assumes that you are going to add your submodules to a directory named libraries in the main project directory. If your submodule directory is different, make sure to change the path wherever it says libraries. First, add this as a submodule in git.

cd 'main/project/dir'
git submodule add https://github.com/fdcl-gwu/fdcl-clock.git ./libraries/fdcl-clock
git submodule update --init

NOTE: Whenever you clone your main project, you must update the submodules:

git submodule update --init

Now, in the main project's CMake file (CMakeLists.txt), do the followings:

include_directories(${PROJECT_SOURCE_DIR}/libraries/fdcl-clock/include)
add_subdirectory(${PROJECT_SOURCE_DIR}/libraries/fdcl-clock fdcl_clock)

Also, whenever you make a file that uses fdcl-clock class, add fdcl_clock to the linker:

target_link_libraries(name/of/the/library/or/executale
    PRIVATE fdcl_clock
)

Then, you can simply call #include "fdcl/clock.hpp" in your source/header files in the main directory.

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Contributing

  • Anyone is welcome to contribute, but make sure you follow the existing coding style.
  • Make sure to document all your changes/additions with Doxygen style comments.

Generating the Documentation

Document generation is done with Doxygen If you do not have Doxygen, install it first

sudo apt-get install -y doxygen graphviz

Use Doxygen to generate the documentation

cd docs/Doxygen
doxygen Doxygen

This will generate the documentation. Commit and push to update the online documentation.

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A C++ class to make timing and extracting system time and date easier.

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