public void BeforeMathFunction(MathFunctionType mathFunctionType)
{
switch (mathFunctionType)
{
case MathFunctionType.Abs:
AppendAfterSpace("ABS(");
break;
case MathFunctionType.Cos:
AppendAfterSpace("COS(");
break;
case MathFunctionType.Max:
AppendAfterSpace("MAX(");
break;
case MathFunctionType.Sin:
AppendAfterSpace("SIN(");
break;
case MathFunctionType.Sum:
AppendAfterSpace("SUM(");
break;
case MathFunctionType.IsNull:
AppendAfterSpace("ISNULL(");
break;
}
}
public MathFunction(double coef, MathFunctionType type, params MathFunction[] functions)
{
this.functions = new List <MathFunction>();
this.coef = coef;
this.type = type;
switch (type)
{
case MathFunctionType.Sum:
bool allZero = true;
foreach (MathFunction func in functions)
{
if (!func.IsZero())
{
this.functions.Add(func);
allZero = false;
}
}
if (allZero)
{
this.coef = 0;
}
break;
case MathFunctionType.Multiplication:
for (int i = 0; i < functions.Length; i++)
{
if (functions[i].IsZero())
{
coef = 0;
break;
}
}
foreach (MathFunction func in functions)
{
this.functions.Add(func);
}
break;
case MathFunctionType.Division:
InitializeDivision(functions);
if (functions[0].IsZero())
{
coef = 0;
this.functions.Clear();
break;
}
break;
}
}
public IMathFunction WithFunctionType(MathFunctionType type)
{
if (type == MathFunctionType.pow || type == MathFunctionType.hypot || type == MathFunctionType.rem || type == MathFunctionType.mod)
{
_Ports = "[2 1]";
}
else
{
_Ports = "[1 1]";
}
_Operator = type;
return(this);
}
public MathFunction()
{
functions = new List <MathFunction>();
type = MathFunctionType.Sum;
coef = 0.0d;
}
public MathFunction(MathFunctionType type, params IVisitable[] parameters)
{
this.parameters = parameters;
Type = type;
}
