public static SPolynom operator +(SPolynom a, SPolynom b)
{
double[] temp = null;
if (a.Degree >= b.Degree)
{
temp = new double[a.ReversedTerms.Length];
a.ReversedTerms.CopyTo(temp, 0);
for (int i = 0; i < b.ReversedTerms.Length; i++)
{
temp[i] += b.ReversedTerms[i];
}
}
else if (a.Degree < b.Degree)
{
temp = new double[b.ReversedTerms.Length];
b.ReversedTerms.CopyTo(temp, 0);
for (int i = 0; i < a.ReversedTerms.Length; i++)
{
temp[i] += a.ReversedTerms[i];
}
}
SPolynom check = new SPolynom(temp.Reverse().ToArray());
return(check.Terms.All(x => x == 0) ? new SPolynom(new double[] { 0 }) : check);
}
public static SPolynom operator /(SPolynom a, SPolynom b)
{
double[] temp = null;
if (a.Degree >= b.Degree)
{
temp = new double[a.ReversedTerms.Length];
a.ReversedTerms.CopyTo(temp, 0);
for (int i = 0; i < b.ReversedTerms.Length; i++)
{
temp[i] /= b.ReversedTerms[i];
if (double.IsInfinity(temp[i]) || double.IsNaN(temp[i]))
{
throw new DivideByZeroException();
}
}
}
else if (a.Degree < b.Degree)
{
temp = new double[b.ReversedTerms.Length];
b.ReversedTerms.CopyTo(temp, 0);
for (int i = 0; i < a.ReversedTerms.Length; i++)
{
temp[i] /= a.ReversedTerms[i];
if (double.IsInfinity(temp[i]) || double.IsNaN(temp[i]))
{
throw new DivideByZeroException();
}
}
}
SPolynom check = new SPolynom(temp.Reverse().ToArray());
return(check.Terms.All(x => x == 0) ? new SPolynom(new double[] { 0 }) : check);
}
public override bool Equals(object obj)
{
if ((obj == null) || !this.GetType().Equals(obj.GetType()))
{
return(false);
}
SPolynom temp = (SPolynom)obj;
if (this.GetHashCode() == temp.GetHashCode())
{
return(true);
}
else
{
return(false);
}
}
public static SPolynom operator -(SPolynom a, SPolynom b)
{
double[] temp = new double[b.Terms.Length];
b.Terms.CopyTo(temp, 0);
for (int i = 0; i < temp.Length; i++)
{
temp[i] *= -1;
}
SPolynom check = a + new SPolynom(temp);
if (check.Terms.All(x => x == 0))
{
return(new SPolynom(new double[] { 0 }));
}
else
{
return(check);
}
}