main.cpp

// DO NOT change anything in this file. Your code must compile and give the
// correct output with this main on the linux machines.

// Make sure the file containing the member function source is: poly.cpp
// Use all lowercase in the file names.

// This main does not do a thorough job of testing.  When testing arrays,
// be sure to test the middle and also all the boundary conditions.  Test
// values on the boundary and outside the boundaries, i.e., too big/small.

#include "poly.h"
#include <iostream>

using namespace std;

int main()
{


//    Poly A;
//    Poly B;
//
//    cout << "Enter terms for polynomial A.  Enter a coefficient " << endl
//    << "then exponent for each term. Enter -1 -1 to terminate." << endl;
//    cin >> A;
//
//    cout << "Enter terms for polynomial B.  Enter a coefficient " << endl
//    << "then exponent for each term. Enter -1 -1 to terminate." << endl;
//    cin >> B;
//
//
//    cout << A << endl;
//    cout << B << endl;

//    // set poly A and print
//    Poly A(5, 7);
//    A.setCoeff(10, 1);
//    A.setCoeff(-4, 3);
//    A.setCoeff(-2, 0);
//    cout << "A =    " << A << endl;
//    cout << "=== A = +5x^7 -4x^3 +10x -2" << endl << endl;
//
//    // set poly B and print
//    Poly B(3, 4);
//    B.setCoeff(1, 3);
//    cout << "B =    " << B << endl;
//    cout << "=== B = +3x^4 +1x^3" << endl << endl;
//
//    // Min Chen Polies
//    Poly C(2), D(A), X, Y;
//    Poly A2, B2, Z1, Z2;
//
//    A2 = A;
//    cout << "A2 = " << A2 << endl;
//
//    B2 = B;
//    cout << "B2 = " << B2 << endl;
//
//    C = A + B;
//    cout << "C = " << C << endl << endl;
//
//    cout << ((A == B) ? "A == B" : "A is not == B") << endl;
//    cout << ((A != B) ? "A is not == B" : "A == B") << endl << endl;
//
//    Z1 = A2 - B2;
//    cout << "Z1 =    " << Z1 << endl;
//    cout << "=== Z1 = +5x^7 -3x^4 -5x^3 +10x -2" << endl << endl;
//
//    Z2 = B2 - A2;
//    cout << "Z2 =    " << Z2 << endl;
//    cout << "=== Z2 = -5x^7 +3x^4 +5x^3 -10x +2" << endl << endl;


//--------------------------------------------

//    Poly A(5, 7), B(3, 4), C(2), D(A), X, Y;
//    Poly A2, B2, Z1, Z2;
//
//    A.setCoeff(10, 1);
//    A.setCoeff(-4, 3);
//    A.setCoeff(-2, 0);

    Poly A(5, 7), B(3, 4), C(2), D(A), X, Y;
    Poly A2, B2, Z1, Z2;

    // set polynomials A and B to desired values
    // A = +5x^7 -4x^3 +10x -2
    // B = +3x^4 +1x^3
    cout << "Enter terms for polynomial A.  Enter a coefficient " << endl
    << "then exponent for each term. Enter -1 -1 to terminate." << endl;
//    cin >> A;                                     // or use a bunch of setCoeff
    A.setCoeff(5, 7);
    A.setCoeff(10, 1);
    A.setCoeff(-4, 3);
    A.setCoeff(-2, 0);

    cout << "Enter terms for polynomial B.  Enter a coefficient " << endl
    << "then exponent for each term. Enter -1 -1 to terminate." << endl;
//    cin >> B;                                     // or use a bunch of setCoeff
    B.setCoeff(3, 4);
    B.setCoeff(1, 3);

    // outputs exactly what is in quotes: "A = +5x^7 -4x^3 +10x -2"
    cout << "A =" << A << endl;
    // outputs exactly what is in quotes: "B = +3x^4 +1x^3"
    cout << "B =" << B << endl << endl;

    A2 = A;
    B2 = B;
    C = A + B;
    cout << "Compute C = A + B: " << C << endl << endl;

    cout << ((A == B) ? "A == B" : "A is not == B") << endl;
    cout << ((A != B) ? "A is not == B" : "A == B") << endl << endl;

    Z1 = A2 - B2;
    cout << "Compute  Z1 = A2 - B2: " << Z1 << endl;
    Z2 = B2 - A2;
    cout << "Compute  Z2 = B2 - A2: " << Z2 << endl << endl;

    cout << "Compute  D = A * B - 15" << endl;
    cout << "Before: D =" << D << endl;
    D = A * B - 15;
    cout << "After:  D =" << D << endl << endl;

    cout << "Test assignment operators" << endl;
    X = C = D = D;
    Y += A -= B *= A;
    cout << "X =" << X << endl;
    cout << "Y =" << Y << endl << endl;

    cout << "Get and Set coefficient" << endl;
    int coeff = D.getCoeff(0);
    cout << "coeff of subscript 0 of D is: " << coeff << endl;
    cout << "Doing getCoeff for term -20000" << endl;
    coeff = D.getCoeff(-20000);              // handle value out of range
    D.setCoeff(50, 0);                        // set x^0 coeff to 50
    D.setCoeff(50, 20000);                    // set x^20000 coeff to 50
    cout << "D =" << D << endl << endl;

    return 0;
}