public static Poly operator -(Poly poly, Poly poly2)
{
Poly sub = new Poly(poly.members.Length + poly2.members.Length);
for (int k = 0; k < poly.members.Length; k++)
{
sub.members[k].power = poly.members[k].power;
sub.members[k].prefix = poly.members[k].prefix;
sub.members[k].x = poly.members[k].x;
}
for (int k = poly.members.Length; k < poly2.members.Length + poly.members.Length; k++)
{
sub.members[k].power = poly2.members[k - poly.members.Length].power;
sub.members[k].prefix = -1 * poly2.members[k - poly.members.Length].prefix;
sub.members[k].x = poly2.members[k - poly.members.Length].x;
}
for (int i = 0; i < sub.members.Length; i++)
{
for (int j = 0; j < sub.members.Length; j++)
{
if (sub.members[i].power == sub.members[j].power && i != j && sub.members[j].prefix != 0)
{
sub.members[i].prefix += sub.members[j].prefix;
sub.members[j].prefix = 0;
sub.members[j].power = 0;
if (sub.members[i].power == 0)
{
sub.members[i].x = false;
}
}
}
}
return(sub);
}
// x+x^2+2x^3
public static Poly operator +(Poly poly, Poly poly2)
{
Poly sum = new Poly(poly.members.Length + poly2.members.Length);
for (int k = 0; k < poly.members.Length; k++)
{
sum.members[k].power = poly.members[k].power;
sum.members[k].prefix = poly.members[k].prefix;
sum.members[k].x = poly.members[k].x;
}
for (int k = poly.members.Length; k < poly2.members.Length + poly.members.Length; k++)
{
sum.members[k].power = poly2.members[k - poly.members.Length].power;
sum.members[k].prefix = poly2.members[k - poly.members.Length].prefix;
sum.members[k].x = poly2.members[k - poly.members.Length].x;
}
for (int i = 0; i < sum.members.Length; i++)
{
for (int j = 0; j < sum.members.Length; j++)
{
if (sum.members[i].power == sum.members[j].power && i != j && sum.members[j].prefix != 0)
{
sum.members[i].prefix += sum.members[j].prefix;
sum.members[j].prefix = 0;
sum.members[j].power = 0;
if (sum.members[i].power == 0)
{
sum.members[i].x = false;
}
}
}
}
Poly beSummed = poly2;
// for (int i = 0; i < poly.members.Length; i++)
// for (int j = 0; j < beSummed.members.Length; j++)
// if (poly.members[i].power == beSummed.members[j].power) sum.members[i].prefix += beSummed.members[j].prefix;
return(sum);
}
static void Main(string[] args)
{
while (true)
{
System.Console.WriteLine("~~~~~ POLY TERM ~~~~~");
System.Console.WriteLine("Usage: ");
System.Console.WriteLine(" Enter First Polynomial -> x+2x^2-35x^6");
System.Console.WriteLine(" Enter Second Polynomial -> 5x + 2X^3 - 3 + 28x^2");
System.Console.WriteLine();
System.Console.Write(" Enter First Polynomial -> ");
Poly p1 = new Poly("x^3+3 x ^2-4x");
System.Console.Write(" Enter Second Polynomial -> ");
Poly p2 = new Poly("-x^2+6x^3");
Poly sum = p2 + p1;
Poly sub = p1 - p2;
System.Console.WriteLine(" Summation : " + sum.ToString());
System.Console.WriteLine(" Submission: " + sub.ToString());
System.Console.WriteLine(p1.ToString());
System.Console.WriteLine(p2.ToString());
Console.ReadLine();
}
}
