public EvalContext()
{
FunctionList = new Functions.FunctionList();
VariableList = new VariableList();
OutputText += DOT;
sw = new Stopwatch();
}
internal EvalContext(EvalContext context, string[] paramNames, ExprNode[] p)
{
FunctionList = context.FunctionList;
VariableList = new VariableList();
for (int i = 0; i < p.Length; i++)
{
VariableList[paramNames[i]] = p[i].Evaluate(context);
}
}