public _Polynom(_Polynom value)
{
foreach (var item in value.listElements)
{
listElements.Add(item.Value.power, new Element(item.Value));
}
}
public static _Polynom operator -(_Polynom data1, _Polynom data2)
{
if (!ValidateForOperation(data1, data2))
{
throw new ArgumentNullException();
}
_Polynom result = new _Polynom(data1);
foreach (var item in data2.listElements)
{
if (result.listElements[item.Key] != null)
{
result.listElements[item.Key].coefficient -= item.Value.coefficient;
if (result.listElements[item.Key].coefficient == 0)
{
result.listElements.Remove(item.Key);
}
}
else
{
result.Add(new Element(item.Value.coefficient * (-1), item.Value.power));
}
}
return(result);
}
private static bool ValidateForOperation(_Polynom data1, _Polynom data2)
{
if (data1 == null || data2 == null || data1.listElements == null || data2.listElements == null)
{
return(false);
}
return(true);
}
static void Main(string[] args)
{
Dictionary <int, Element> le = new Dictionary <int, Element>();
le.Add(1, new Element(1, 9));
le.Add(2, new Element(2, 2));
le.Add(4, new Element(4, 7));
le.Add(7, new Element(77, 4));
le.Add(9, new Element(2, 1));
_Polynom p1 = new _Polynom(le);
p1.ChangeCoefInElement(2, 20);
p1.ChangePowerInElement(7, 22);
Dictionary <int, Element> dict = new Dictionary <int, Element>();
_Polynom p2 = new _Polynom(p1);
_Polynom p3 = p1 * p2;
Console.ReadKey();
}
public static _Polynom operator *(_Polynom data1, _Polynom data2)
{
if (!ValidateForOperation(data1, data2))
{
throw new ArgumentNullException();
}
_Polynom result = new _Polynom();
foreach (var item1 in data1.listElements)
{
foreach (var item2 in data2.listElements)
{
int newPower = item1.Value.power + item2.Value.power;
double newCoef = item1.Value.coefficient * item2.Value.coefficient;
result.Add(newCoef, newPower);
}
}
return(result);
}
