Operations.cpp

#include <iostream>
using namespace std;

#include "ExampleRegistry.h"

void arithmeticOperator();
void logicalOperator();
void bitWiseOperator();

class Operations : public IExample {
 public:
  std::string group() const override { return "core"; }
  std::string name() const override { return "Operations"; }
  std::string description() const override { return "Operation"; }
  void execute() override {
    arithmeticOperator();
    logicalOperator();
    bitWiseOperator();
  }
};

REGISTER_EXAMPLE(Operations, "core", "Operations");

void arithmeticOperator() {
  cout << "\n--- ArithmeticOperator Examples ---\n";
  int a{100}, b{200};

  // Addition
  cout << "a = " << a << ", b = " << b << "\n";
  int sum = a + b;
  cout << "sum = " << sum << "\n";

  // Subtraction
  cout << "a = " << a << ", b = " << b << "\n";
  int different = a - b;
  cout << "different = " << different << "\n";

  // Multiplication
  cout << "a = " << a << ", b = " << b << "\n";
  int product = a * b;
  cout << "product = " << product << "\n";

  // Division
  cout << "a = " << a << ", b = " << b << "\n";
  int quotient = a / b;
  cout << "quotient = " << quotient << "\n";

  // Modulus
  cout << "a = " << a << ", b = " << b << "\n";
  int remainder = a % b;
  cout << "remainder = " << remainder << "\n";

  // Increment
  cout << "a = " << a << "\n";
  int preIn = ++a;  // increase a, return a
  cout << "preIn = " << preIn << "\n";

  cout << "a = " << a << "\n";
  int postIn = a++;  // copy a to a copy, then increase a, return copy
  cout << "postIn = " << postIn << "\n";

  // Decrement
  cout << "b = " << b << "\n";
  int preDe = --b;
  cout << "preDe = " << preDe << "\n";

  cout << "b = " << b << "\n";
  int postDe = b--;
  cout << "postDe = " << postDe << "\n";

  // Comma:
  int value = (a++, b);  // a is incremented, then b is returned
  cout << "a = " << a << ", b = " << b << "\n";
  cout << "comma(a++, b) = " << value << "\n";
}

void logicalOperator() {
  cout << "\n--- LogicalOperator Examples ---\n";
  bool a = true;
  bool b = false;
  bool c = true;

  cout << boolalpha;  // show true/false instead of 1/0
  cout << "a = " << a << ", b = " << b << ", c = " << c << "\n\n";

  // AND (&&)
  cout << "[AND] a && b = " << (a && b) << "\n";

  // OR (||)
  cout << "[OR ] a || b = " << (a || b) << "\n";

  // NOT (!)
  cout << "[NOT] !c = " << (!c) << "\n";
}

#include <bitset>
void bitWiseOperator() {
  cout << "\n--- BitWiseOperator Examples ---\n";
  bitset<8> bitsA {
    0b1111'1111}; bitset<8> bitsB { 0b1111'0000};

        cout
        << "bitA = " << bitsA << ", bitB = " << bitsB << "\n";

    // AND
    bitset<8> result = bitsA & bitsB;
    cout << "bitA && bitB= " << result << "\n";

    // OR
    result = bitsA | bitsB;
    cout << "bitA | bitB= " << result << "\n";

    // XOR
    result = bitsA ^ bitsB;
    cout << "bitA ^ bitB= " << result << "\n";

    // NOT
    result = ~bitsA;
    cout << "~bitA = " << result << "\n";

    // LEFT SHIFT
    result = bitsA << 1;
    cout << "bitA << 1 = " << result << "\n";

    // RIGHT SHIFT
    result = bitsA >> 1;
    cout << "bitA >> 1 = " << result << "\n";
  }