#include "hash/buzhash.hpp" #include "io.hpp" #include int main (int argc, char const **argv) { (void)argc; cruft::mapped_file src (argv[1]); cruft::view bytes (src); static constexpr std::size_t BITS = 16; std::vector counts (BITS, 0); static constexpr std::size_t WINDOW = 48; cruft::hash::buzhash h (WINDOW, bytes); for (auto const &val: bytes.consume (WINDOW)) { auto const res = h (&val); std::size_t mask = ~u64(0) >> (64 - BITS); for (std::size_t i = 0; i < BITS; ++i) { if ((res & mask) == 0) counts[i]++; mask >>= 1; } } for (auto const &i: counts) std::cout << i << '\n'; }