static string UTMUPSString(int zone, bool northp,
double easting, double northing,
int prec, bool abbrev)
{
var os = new StringBuilder();
prec = Max(-5, Min(9 + 0 /*Math::extra_digits()*/, prec));
// Need extra real because, since C++11, pow(float, int) returns double
var scale = prec < 0 ? Pow(10, -prec) : 1;
os.Append(UTMUPS.EncodeZone(zone, northp, abbrev));// << fixed << setfill('0');
if (IsFinite(easting))
{
os.Append(' ');
os.Append((easting / scale).ToFixedString(Max(0, prec)));
if (prec < 0 && Abs(easting / scale) > 0.5)
{
os.Append("0".PadLeft(-prec, '0'));
}
}
else
{
os.Append(" nan");
}
if (IsFinite(northing))
{
os.Append(' ');
os.Append((northing / scale).ToFixedString(Max(0, prec)));
if (prec < 0 && Abs(northing / scale) > 0.5)
{
os.Append("0".PadLeft(-prec, '0'));
}
}
else
{
os.Append(" nan");
}
return(os.ToString());
}
