public static string GetFormula(string nameOfVariable, TransformedValueRepresentation transform)
{
switch (transform)
{
case TransformedValueRepresentation.Original:
return(nameOfVariable);
case TransformedValueRepresentation.Inverse:
return("1/" + nameOfVariable);
case TransformedValueRepresentation.Negative:
return("-" + nameOfVariable);
case TransformedValueRepresentation.DecadicLogarithm:
return("lg(" + nameOfVariable + ")");
case TransformedValueRepresentation.NegativeDecadicLogarithm:
return("-lg(" + nameOfVariable + ")");
case TransformedValueRepresentation.NaturalLogarithm:
return("ln(" + nameOfVariable + ")");
case TransformedValueRepresentation.NegativeNaturalLogarithm:
return("-ln(" + nameOfVariable + ")");
default:
throw new ArgumentOutOfRangeException("ValueTransformationType unknown: " + transform.ToString());
}
}
public static double BaseValueToTransformedValue(double baseValue, TransformedValueRepresentation destTransform)
{
switch (destTransform)
{
case TransformedValueRepresentation.Original:
return(baseValue);
case TransformedValueRepresentation.Inverse:
return(1 / baseValue);
case TransformedValueRepresentation.Negative:
return(-baseValue);
case TransformedValueRepresentation.DecadicLogarithm:
return(Math.Log10(baseValue));
case TransformedValueRepresentation.NegativeDecadicLogarithm:
return(-Math.Log10(baseValue));
case TransformedValueRepresentation.NaturalLogarithm:
return(Math.Log(baseValue));
case TransformedValueRepresentation.NegativeNaturalLogarithm:
return(-Math.Log(baseValue));
default:
throw new ArgumentOutOfRangeException("ValueTransformationType unknown: " + destTransform.ToString());
}
}
public static double TransformedValueToBaseValue(double srcValue, TransformedValueRepresentation srcUnit)
{
switch (srcUnit)
{
case TransformedValueRepresentation.Original:
return(srcValue);
case TransformedValueRepresentation.Inverse:
return(1 / srcValue);
case TransformedValueRepresentation.Negative:
return(-srcValue);
case TransformedValueRepresentation.DecadicLogarithm:
return(Math.Pow(10, srcValue));
case TransformedValueRepresentation.NegativeDecadicLogarithm:
return(Math.Pow(10, -srcValue));
case TransformedValueRepresentation.NaturalLogarithm:
return(Math.Exp(srcValue));
case TransformedValueRepresentation.NegativeNaturalLogarithm:
return(Math.Exp(-srcValue));
default:
throw new ArgumentOutOfRangeException("ValueTransformationType unknown: " + srcUnit.ToString());
}
}
public static double FromTo(double srcValue, TransformedValueRepresentation srcUnit, TransformedValueRepresentation destUnit)
{
if (srcUnit == destUnit)
{
return(srcValue);
}
else
{
return(BaseValueToTransformedValue(TransformedValueToBaseValue(srcValue, srcUnit), destUnit));
}
}
public static double FromTo(double srcValue, TransformedValueRepresentation srcUnit, TransformedValueRepresentation destUnit)
{
if (srcUnit == destUnit)
return srcValue;
else
return BaseValueToTransformedValue(TransformedValueToBaseValue(srcValue, srcUnit), destUnit);
}
public static string GetFormula(string nameOfVariable, TransformedValueRepresentation transform)
{
switch (transform)
{
case TransformedValueRepresentation.Original:
return nameOfVariable;
case TransformedValueRepresentation.Inverse:
return "1/" + nameOfVariable;
case TransformedValueRepresentation.Negative:
return "-" + nameOfVariable;
case TransformedValueRepresentation.DecadicLogarithm:
return "lg(" + nameOfVariable + ")";
case TransformedValueRepresentation.NegativeDecadicLogarithm:
return "-lg(" + nameOfVariable + ")";
case TransformedValueRepresentation.NaturalLogarithm:
return "ln(" + nameOfVariable + ")";
case TransformedValueRepresentation.NegativeNaturalLogarithm:
return "-ln(" + nameOfVariable + ")";
default:
throw new ArgumentOutOfRangeException("ValueTransformationType unknown: " + transform.ToString());
}
}
public static double BaseValueToTransformedValue(double baseValue, TransformedValueRepresentation destTransform)
{
switch (destTransform)
{
case TransformedValueRepresentation.Original:
return baseValue;
case TransformedValueRepresentation.Inverse:
return 1 / baseValue;
case TransformedValueRepresentation.Negative:
return -baseValue;
case TransformedValueRepresentation.DecadicLogarithm:
return Math.Log10(baseValue);
case TransformedValueRepresentation.NegativeDecadicLogarithm:
return -Math.Log10(baseValue);
case TransformedValueRepresentation.NaturalLogarithm:
return Math.Log(baseValue);
case TransformedValueRepresentation.NegativeNaturalLogarithm:
return -Math.Log(baseValue);
default:
throw new ArgumentOutOfRangeException("ValueTransformationType unknown: " + destTransform.ToString());
}
}
public static double TransformedValueToBaseValue(double srcValue, TransformedValueRepresentation srcUnit)
{
switch (srcUnit)
{
case TransformedValueRepresentation.Original:
return srcValue;
case TransformedValueRepresentation.Inverse:
return 1 / srcValue;
case TransformedValueRepresentation.Negative:
return -srcValue;
case TransformedValueRepresentation.DecadicLogarithm:
return Math.Pow(10, srcValue);
case TransformedValueRepresentation.NegativeDecadicLogarithm:
return Math.Pow(10, -srcValue);
case TransformedValueRepresentation.NaturalLogarithm:
return Math.Exp(srcValue);
case TransformedValueRepresentation.NegativeNaturalLogarithm:
return Math.Exp(-srcValue);
default:
throw new ArgumentOutOfRangeException("ValueTransformationType unknown: " + srcUnit.ToString());
}
}
