public override bool CanJoin(RuntimeData runtime, INumber val)
{
if (val is Number || val is Fraction)
{
return(true);
}
return(val.CanJoin(runtime, null));
}
public void AddItem(RuntimeData runtime, INumber val)
{
var v = val.Eval(runtime);
if (v is Number && (v as Number).Value == 1)
{
return;
}
if (val is AdditionFormula && (val as AdditionFormula).Count == 1)
{
this.AddItem(runtime, (val as AdditionFormula).Items[0]);
return;
}
if (val is MultipleFormula)
{
foreach (var item in (val as MultipleFormula).items)
{
this.AddItem(runtime, item);
}
return;
}
for (int i = 0; i < this.items.Count; i++)
{
if (runtime.Setting.DoOptimize && (
this.items[i].CanJoin(runtime, val) ||
val.CanJoin(runtime, this.items[i])))
{
this.items[i] =
this.items[i].Multiple(runtime, val);
return;
}
}
this.items.Add(v);
}
