#include <iostream>
#include <CL/cl.hpp>

int main(int argc, char** argv) {
    std::vector<cl::Platform> platforms;
    cl_int err = cl::Platform::get(&platforms);
    std::cout << "Count = " << platforms.size() << std::endl;
    std::cout << "Error = " << err << std::endl;
    return 0;
}