public double?Evaluate(ICalculationVariables variables)
{
switch (name)
{
case "Input": return(variables.Input);
case "AnnouncedDepth": return(variables.AnnouncedDepth);
case "AnnouncedDistance": return(variables.AnnouncedDistance);
case "AnnouncedDuration": return(variables.AnnouncedDuration);
case "RealizedDepth": return(variables.RealizedDepth);
case "RealizedDistance": return(variables.RealizedDistance);
case "RealizedDuration": return(variables.RealizedDuration);
default: return(null);
}
}
public double?Evaluate(ICalculationVariables variables)
{
var valueA = a.Evaluate(variables);
var valueB = b.Evaluate(variables);
if (valueA == null || valueB == null)
{
return(null);
}
switch (operation)
{
case '+': return(valueA.Value + valueB.Value);
case '-': return(valueA.Value - valueB.Value);
case '*': return(valueA.Value * valueB.Value);
case '/': return(valueA.Value / valueB.Value);
default: return(valueA);
}
}
public double?Evaluate(ICalculationVariables variables)
{
var value = argument.Evaluate(variables);
return(value == null ? (double?)null : Math.Ceiling(value.Value));
}
public double?Evaluate(ICalculationVariables variables)
{
return(value);
}