public void calculate()
{
if (Operands == null)
{
Result = 0;
return;
}
switch (Operation)
{
case CalculatorOperations.Add:
Result = Operands.Aggregate((f1, f2) => f1 + f2);
break;
case CalculatorOperations.Sub:
Result = Operands.Aggregate((f1, f2) => f1 - f2);
break;
case CalculatorOperations.Mul:
Result = Operands.Aggregate((f1, f2) => f1 * f2);
break;
case CalculatorOperations.Div:
Result = Operands.Aggregate((f1, f2) => f1 / f2);
break;
}
}
public override StringTemplate GenExpr(CodeGenerator generator, TemplateGroup templates, DFA dfa)
{
StringTemplate result =
Operands.Aggregate(default(StringTemplate),
(template, operand) =>
{
if (template == null)
{
return(operand.GenExpr(generator, templates, dfa));
}
StringTemplate eST = null;
if (templates != null)
{
eST = templates.GetInstanceOf("andPredicates");
}
else
{
eST = new StringTemplate("(<left>&&<right>)");
}
eST.SetAttribute("left", template);
eST.SetAttribute("right", operand.GenExpr(generator, templates, dfa));
return(eST);
});
return(result);
}
public double?Execute()
{
Result = Operands.Aggregate((a, b) => a * b);
return(Result);
}
protected override int CalculateHashCode()
{
return(Operands.Aggregate(0, (x, y) => x ^ ~y.GetHashCode()));
}
public double?Execute()
{
Result = Operands.Aggregate((n, p) => Math.Pow(n, p));
return(Result);
}
public double?Execute()
{
Result = Operands.Aggregate((a, b) => Math.Pow(a, b));
return(null);
}
public double?Execute()
{
Result = Operands.Aggregate((a, b) => a - b);
return(null);
}
public double?Execute()
{
Result = Operands.Aggregate((lhs, rhs) => Math.Pow(lhs, rhs));
return(Result);
}
public double?Execute()
{
Result = Operands.Aggregate((lhs, rhs) => lhs * rhs);
return(Result);
}