public static string ToCurrencyString(this BigDecimal value, int maxDigits, NumberFormatInfo format)
{
value.Normalize();
if (maxDigits < 0)
{
maxDigits = format.CurrencyDecimalDigits;
}
BigDecimal rounded = value.RoundAwayFromZero(significantDigits: maxDigits);
var digits = rounded.GetDigits(out int exponent);
var result = new StringBuilder();
NumberFormatting.FormatCurrency(result,
rounded.Mantissa < 0, digits, exponent,
maxDigits: maxDigits, info: format);
return(result.ToString());
}
public string ToString(string formatSpecifier, IFormatProvider format)
{
char fmt = NumberFormatting.ParseFormatSpecifier(formatSpecifier, out int digits);
if (fmt != 'c' && fmt != 'C')
{
throw new NotImplementedException();
}
Normalize();
if (Exponent == 0)
{
return(Mantissa.ToString(formatSpecifier, format));
}
var numberFormatInfo = NumberFormatInfo.GetInstance(format);
return(BigDecimalFormatter.ToCurrencyString(this, digits, numberFormatInfo));
}