/// <summary>
/// Returns a string representation with SI unit included with the given prefix. Alternative number complex number string
/// representation is given as a sum instead of a coordinate on the complex plane, eg: (24+5i)kV
/// </summary>
/// <param name="value"></param>
/// <param name="unit"></param>
/// <param name="prefix"></param>
/// <param name="useFullName"></param>
/// <param name="imaginaryAsJ">If true, "j" is used as imaginary unit instead of "i"</param>
/// <returns></returns>
public static string ToAltSIString(Complex value, SIPrefix prefix, string unit = "", int roundToDigit = 0,
MidpointRounding midpointRounding = MidpointRounding.AwayFromZero, bool useFullName = false, bool imaginaryAsJ = false)
{
// Modify the value to match it
value /= Math.Pow(10, prefix.Base10Power);
// If roundToDigit is greater than 0, round the value to a specific digit
if (roundToDigit > 0)
{
value = value.RoundToDigit(roundToDigit, midpointRounding);
}
// If value is 0 return "0" plus the unit
if (value == 0)
{
return("0" + unit);
}
string result = string.Empty;
// If real part is not 0
if (value.Real != 0)
{
// Add its string version to the result
result += value.Real.ToString();
}
// If imaginary is not 0
if (value.Imaginary != 0)
{
// And it's nonnegative and the real part wasn't 0
if (value.Imaginary >= 0 && value.Real != 0)
{
// Include a plus sign
result += "+";
}
// Add the imaginary part as string to the result with the imaginary unit
result += value.Imaginary.ToString() + (imaginaryAsJ ? "j" : "i");
// Wrap the whole thing in brackets
result = "(" + result + ")";
}
// Finish it off with unit + prefix
result += (useFullName ? prefix.Name : prefix.Symbol) + unit;
return(result);
}
/// <summary>
/// Returns a string representation with SI unit included with the given prefix
/// </summary>
/// <param name="value"></param>
/// <param name="unit"></param>
/// <param name="prefix"></param>
/// <param name="useFullName"></param>
/// <returns></returns>
public static string ToSIString(Complex value, SIPrefix prefix, string unit = "", int roundToDigit = 0,
MidpointRounding midpointRounding = MidpointRounding.AwayFromZero, bool useFullName = false)
{
// Modify the value to match it
value /= Math.Pow(10, prefix.Base10Power);
// If roundToDigit is greater than 0, round the value to a specific digit
if (roundToDigit > 0)
{
value = value.RoundToDigit(roundToDigit, midpointRounding);
}
// Return it plus prefix name (or symbol) and unit
return(value.ToString() + (useFullName ? prefix.Name : prefix.Symbol) + unit);
}
/// <summary> /// Converts a number without prefix to a value usable with <paramref name="prefix"/> /// </summary> /// <param name="prefix"></param> /// <param name="value"></param> /// <returns></returns> public static double Convert(this SIPrefix prefix, double value) => value *Math.Pow(10, prefix.Base10Power);