/*
 * Copyright ©2026 Soham Pardeshi. All rights reserved.
 * Permission is hereby granted to students registered for University of
 * Washington CSE 333 for use solely during Summer Quarter 2026 for
 * purposes of the course. No other use, copying, distribution, or
 * modification is permitted without prior written consent. Copyrights
 * for third-party components of this work must be honored. Instructors
 * interested in reusing these course materials should contact the author.
 */

#include <cstdlib>
#include <iostream>

#include "Vector.h"

using std::cout;
using std::endl;
using vector333::Vector;


// Create several vectors and test their operations
// Note that the testing for this program is done by
// printing output because of the lack of "getters".
// Typically, we would prefer to have automatic testing
// that would verify the values for us.
int main() {
  // test constructors and stream output
  Vector v1;
  cout << "default Vector, should be (0,0,0): " << v1 << endl;
  Vector v2(1, 2, 3);
  cout << "Vector with initial values, should be (1,2,3): " << v2 << endl;
  Vector v3(v2);
  cout << "Vector from copy constructor, should be (1,2,3): " << v3 << endl;

  // test assignment (including chaining)
  Vector v4(3.1, -2.5, 2.7);
  v1 = v3 = v4;
  cout << "Vector assignment, should have three copies of (3.1,-2.5,2.7):\n";
  cout << "  " << v1 << "  " << v3 << "  " << v4 << endl;

  // test updating assignment (including chaining)
  cout << "Updating assignment, should have two copies of (4.1,-0.5,5.7):\n";
  v1 = v3 += v2;
  cout << " " << v1 << " = " <<  v3 << endl;
  cout << "Updating assignment, should have two copies of (3.1,-2.5,2.7):\n";
  v1 = v3 -= v2;
  cout << " " <<  v1 << " = " <<  v3 << endl;

  // element-wise arithmetic
  cout << "Arithmetic:" << endl;
  cout << "  " << v1 << " + " << v2 << " = " << v1+v2 << endl;
  cout << "  " << v1 << " - " << v2 << " = " << v1-v2 << endl;

  // dot product
  cout << "Dot product: (a,b,c) * (x,y,z) = (ax+by+cz)" << endl;
  cout << "  " << v2 << " * " << v2 << " = " << v2*v2 << endl;

  // scalar product
  cout << "Scalar product: (a,b,c) * k = (ak,bk,ck)" << endl;
  cout << "  "     << v1 << " * 2 = " << v1*2 << endl;
  cout << "  2 * " << v1 <<     " = " << 2*v1 << endl;

  return EXIT_SUCCESS;
}