public override void CompileToDoubleOrNan()
{
Variable doubleVar;
if (NumberVariables.TryGetValue(cellAddr, out doubleVar))
{
doubleVar.EmitLoad(ilg);
}
else
{
if (var.Type == Typ.Value)
{
var.EmitLoad(ilg);
UnwrapToDoubleOrNan();
}
else if (var.Type == Typ.Number)
{
var.EmitLoad(ilg);
}
else // A variable of a type not convertible to a float64, so ArgTypeError
{
LoadErrorNan(ErrorValue.argTypeError);
}
}
}
/// <summary>
/// Insert code to unwrap the computed value of a cell, if the cell
/// has type Value but is referred to as a Number more than once.
/// Also register the unwrapped version of the variable
/// in the NumberVariables dictionary.
/// CodeGenerate.Initialize(ilg) must be called first.
/// </summary>
public void CreateUnwrappedNumberCells()
{
HashBag <FullCellAddr> numberUses = CountNumberUses();
foreach (KeyValuePair <FullCellAddr, int> numberUseCount in numberUses.ItemMultiplicities())
{
FullCellAddr fca = numberUseCount.Key;
if (numberUseCount.Value >= 2 && addressToVariable[fca].Type == Typ.Value)
{
Variable numberVar = new LocalVariable(fca + "_number", Typ.Number);
ComputeCell ccell;
if (fcaToComputeCell.TryGetValue(fca, out ccell)) // fca is ordinary computed cell
{
ccell.NumberVar = numberVar;
}
else // fca is an input cell
{
unwrapInputCells.Add(new UnwrapInputCell(addressToVariable[fca], numberVar));
}
NumberVariables.Add(fca, numberVar);
}
}
}
