cpp-bit-tricks-basic.cpp

#include <iostream>
#include <vector>
#include <cstdint>
#include <fmt/format.h>

using namespace std;

int main(int argc, char *argv[])
{
    uint8_t a = 0b1111'0000;
    auto b = vector<uint8_t> {a,a,a,a,a,a,a,a,a};
    auto c = b;
    auto d = c;
    fmt::print ("  {:b}\n\n", a);
    // bit clearing
    for (int i = 0; i != 8; ++i) {
        b[i] &= ~(1 << i);
        fmt::print("{} {:8b} \n", i , b[i]);
    }
    fmt::print("\n");
    // bit flipping
    for (int i = 0; i != 8; ++i) {
        c[i] ^= (1 << i);
        fmt::print("{} {:8b} \n", i , c[i]);
    }
    fmt::print("\n");
    // bit setting
    for (int i = 0; i != 8; ++i) {
        d[i] |= (1 << i);
        fmt::print("{} {:8b} \n", i , d[i]);
    }

    return 0;
}

// g++ -std=c++17 test.cpp -lfmt -o test