private EqualinationRes calcRegularEqualinationFromSymbols(SmallEqualination sideOne, SmallEqualination sideTwo)
{
SmallEqualination smallRes = subtractTwoSmallEqualinations(sideOne, sideTwo);
//check what kind of equalination is it
EqualinationRes res = new EqualinationRes();
if (smallRes.XList.Count == 1) //regular equlination
{
res.Results.Add((-smallRes.Num) / smallRes.XList[0]);
}
else if (smallRes.XList.Count == 2)
{
return(rootFormula(smallRes.XList[1], smallRes.XList[0], smallRes.Num));
}
else
{
res.cantSolve = true;
}
return(res);
}
private EqualinationRes rootFormula(decimal a, decimal b, decimal c)
{
EqualinationRes res = new EqualinationRes();
//check if b^2-4ac isnt below zero
decimal root = (decimal)Math.Sqrt((double)(b * b - 4 * a * c));
if (root < 0)
{
return(res);
}
else if (root == 0)
{
res.Results.Add(-b / (2 * a));
}
else
{
res.Results.Add((-b + root) / (2 * a));
res.Results.Add((-b - root) / (2 * a));
}
return(res);
}
private void showTheAnswer(EqualinationRes res)
{
MessageBox.Show(res.ToString());
}
