/// <summary>
/// Creates the DecimalFormat used to write doubles with a sufficient
/// number of decimal places.
/// </summary>
/// <param name="precisionModel">
/// The PrecisionModel used to determine the number of decimal places to
/// write.
/// </param>
/// <returns>
/// A DecimalFormat that write double without scientific notation.
/// </returns>
internal virtual TextNumberFormat CreateFormatter(PrecisionModel precisionModel)
{
if (m_objUserPrecision != null)
{
precisionModel = m_objUserPrecision;
}
// the default number of decimal places is 16, which is sufficient
// to accomodate the maximum precision of a double.
int decimalPlaces = precisionModel.MaximumSignificantDigits;
// specify decimal separator explicitly to avoid problems in other locales
NumberFormatInfo symbols = null;
if (m_objCulture != null)
{
symbols = m_objCulture.NumberFormat;
}
if (symbols == null)
{
symbols = new NumberFormatInfo();
if (decimalPlaces > 0)
{
symbols.NumberDecimalSeparator = '.'.ToString();
}
}
m_objProvider = symbols;
TextNumberFormat numberFormatter = TextNumberFormat.GetTextNumberInstance(symbols);
numberFormatter.MaxFractionDigits = decimalPlaces;
numberFormatter.DirectFormat = true;
return(numberFormatter);
}
