#include "pcg_random.hpp"
#include "pcg_extras.hpp"

#include <iostream>
#include <iomanip>
#include <random>

int main() {
    using namespace pcg_extras;
    
#if USE_VIGNA_CONTRIVED_SEEDS
    pcg64 x(PCG_128BIT_CONSTANT(0x83EED115C9CBCC30, 0x4C55E45838B75647),
            PCG_128BIT_CONSTANT(0x3E0897751B1A19E7, 0xD9D50DD3E3A454DC));
    pcg64 y(PCG_128BIT_CONSTANT(0x7C112EEA363433CF, 0xB3AA1BA7C748A9B9),
            PCG_128BIT_CONSTANT(0x41F7688AE4E5E618, 0x262AF22C1C5BAB23));
#elif USE_PCG_UNIQUE
    pcg64_unique x,y;
#elif USE_SMALL_SEEDS1
    pcg64 x(0), y(1);
#elif USE_SMALL_SEEDS2
    pcg64 x(0,0), y(0,1);
#elif USE_SMALL_SEEDS3
    pcg64 x(0,0), y(1,1);
#elif USE_RANDOM_DEVICE
    pcg64 x(seed_seq_from<std::random_device>{}), 
        y(seed_seq_from<std::random_device>{});
#endif
    
    std::cout << std::hex;
    for (int i = 0; i < 10; ++i) {
        std::cout << (x - y) << ": ";
        std::cout << x() << ", " << y() << "\n";
    }
}