//Multiply two Noms
public static Nom MultiplyNoms(Nom input1, Nom input2)
{
var result = new Nom();
result.Constant = input1.Constant * input2.Constant;
result.HasX = input1.HasX || input2.HasX;
result.Power = input1.Power + input2.Power;
return(result);
}
//Multiple all input Noms by multipler
public static List <Nom> MultiplyAcrossNoms(List <Nom> input, Nom multiplier)
{
var result = new List <Nom>();
foreach (var n in input)
{
result.Add(MultiplyNoms(n, multiplier));
}
return(result);
}
//Divide two Noms
public static Nom DivideNoms(Nom numerator, Nom denominator)
{
var result = new Nom();
result.HasX = numerator.HasX;
if (numerator.HasX && denominator.HasX)
{
result.Power = numerator.Power - denominator.Power;
}
result.Constant = numerator.Constant / denominator.Constant;
return(result);
}
//Subtract Nom
public static Nom SubtractNom(Nom top, Nom bottom)
{
if (top.Power != bottom.Power)
{
throw new InvalidOperationException("Cannot get difference of different powers");
}
var result = new Nom();
result.Constant = top.Constant - bottom.Constant;
result.HasX = top.HasX && bottom.HasX;
result.Power = top.Power;
return(result);
}
//Build a Nom based on input. DOES NOT SET THE SIGN
public static Nom ParseNom(string input)
{
var result = new Nom();
if (input.Contains("x"))
{
var power = input.Substring(input.IndexOf("x") + 1, input.Length - input.IndexOf("x") - 1);
var constant = input.Substring(0, input.IndexOf("x"));
result.Power = (power == string.Empty) ? 1 : int.Parse(power);
result.Constant = (constant == string.Empty) ? 1 : int.Parse(constant);
result.HasX = true;
}
else
{
result.Constant = int.Parse(input);
result.Power = 0;
result.HasX = false;
}
return(result);
}
