{

platform chosen_platform;

device chosen_device;

if ( qSelector == default_ )

{

chosen_platform = oclm::get_platform();

chosen_device = chosen_platform.devices.at(0);

}

else if ( qSelector == interactive_ )

{

std::vector< platform > available_platforms = oclm::get_platforms();

std::string input;

// let the user choose the platform

while ( true )

{

// if there is only one platform available, we will automatically select it

if (available_platforms.size() == 1)

{

chosen_platform = available_platforms.at(0);

std::cout << "\nAvailable platform:\n\t" << chosen_platform.get(oclm::platform_name) << std::endl;

break;

}

std::cout << "\nAvailable platforms: ";

for( size_t i(0); i < available_platforms.size(); ++i )

std::cout << "\n\t" << i << ") " << available_platforms.at(i).get( oclm::platform_name );

// perhaps we want an option for more information about platforms here too

std::cout << "\n\t" << "q) Quit\n";

std::cout << "\nPlease choose your desired platform: ";

std::cin >> input;

input.resize(1);

if ( input == "q" || input == "Q" )

{

std::cout << "Exiting..." << std::endl;

exit(1);

}

else if ( input[0] >= '0' && input[0] <= '9' ) // TODO better ascii number detection (more than one digit)

{

size_t i( static_cast< size_t >( atoi(&(input[0])) ) );

if ( i >= available_platforms.size() )

continue;

chosen_platform = available_platforms.at(i);

break;

}

}

// let the user choose the device

while ( true )

{

// if there is only one device available for the platform, we will automatically select it

if (chosen_platform.devices.size() == 1)

{

chosen_device = chosen_platform.devices.at(0);

std::cout << "\nAvailable device:\n\t" << chosen_device.get(oclm::device_name) << std::endl;

break;

}

std::cout << "\nAvailable devices: ";

for( size_t i(0); i < chosen_platform.devices.size(); ++i )

std::cout << "\n\t" << i << ") " << chosen_platform.devices.at(i).get( oclm::device_name );

// perhaps we want an option for more information about platforms here too

std::cout << "\n\t" << "q) Quit\n";

std::cout << "\nPlease choose your desired device: ";

std::cin >> input;

input.resize(1);

if ( input == "q" || input == "Q" )

{

std::cout << "Exiting..." << std::endl;

exit(1);

}

else if ( input[0] >= '0' && input[0] <= '9' ) // TODO better ascii number detection (more than one digit)

{

std::cout << input << std::endl;

size_t i( static_cast< size_t >( atoi(&(input[0])) ) );

if ( i >= chosen_platform.devices.size() )

continue;

// std::cout << "Chosen Platform: " << available_platforms.at(i).get( oclm::platform_name ) << "\n";

chosen_device = chosen_platform.devices.at(i);

break;

}

}

}

ctx_ = create_context(chosen_device);

d_ = chosen_device;

cq_ = create(ctx_, d_);