public Operand Simplify(char c)
{
if (Simplifying.Contains(c))
{
Simplifying.Clear();
System.Diagnostics.Debug.WriteLine("Warning: circular dependency detected, " + c + " depends on itself");
}
else if (Knowns.ContainsKey(c))
{
HasExactForm = true;
if (n == Numbers.Decimal)
{
return(os.Simplify(Knowns[c]));
}
}
else
{
Unknowns.Add(c);
if (Subsitutions != null && Subsitutions.ContainsKey(c) && Subsitutions[c] != null)
{
Simplifying.Add(c);
Operand ans = os.Simplify(Subsitutions[c]);
if (Simplifying.Count != 0)
{
Simplifying.Remove(c);
return(ans);
}
}
}
return(new Term(c));
}
public Operand Simplify(TrigFunction tf)
{
Operand o = null;
double constant;
bool skip = tf.Operands[0].IsConstant(out constant);
if (!skip)
{
o = Format.Simplify(tf.Operands[0]);
}
if (skip || o.IsConstant(out constant))
{
double temp = System.Math.Round(tf.Operation(constant, Units), 14);
ValidateAnswer(temp);
HasTrig = true;
return(temp);
}
else
{
return(new Term(new TrigFunction(tf.Name, o, tf.Operation)));
}
}
public Operand Simplify(Term t)
{
Print.Log("simplifying " + t);
Term b = new Term(1);
b.coefficient[0] = t.coefficient[0];
b.coefficient[1] = t.coefficient[1];
Operand ans = b;
foreach (Pair pair in t.members.KeyValuePairs())
{
Operand o = Simplify(pair.Key as dynamic);
o.Exponentiate(os.Simplify(pair.Value));
ans.Multiply(o);
}
Term a = ans.TermForm;
bool wholeCoefficients = a.coefficient[0].IsInt() && a.coefficient[1].IsInt();
if (wholeCoefficients && a.coefficient[1] != 1)
{
hasExactForm = true;
}
//Simplify fractions
if (numbers == Numbers.Decimal || !wholeCoefficients)
{
double d = a.coefficient[1];
a.coefficient[1] = 1;
a.Numerator = a.coefficient[0] / d;
}
Print.Log("simplified " + t + " to " + ans);
return(ans);
}
public Operand Simplify(Function f)
{
double[] inputs = new double[f.Operands.Length];
for (int i = 0; f.Operands[i].IsConstant(out inputs[i]) || Format.Simplify(f.Operands[i]).IsConstant(out inputs[i]); i++)
{
if (i == inputs.Length - 1)
{
return(f.Operation(inputs));
}
}
return(new Term(new Function(f.Name, f.Operands)));
}