public object exp10(object arg)
{
// math:exp10($arg as xs:double?) as xs:double?
double?value = ExtensionObjectConvert.ToNullableDouble(arg);
if (value == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(Math.Pow(10, value.Value));
}
public object cos(object arg)
{
// math:cos($θ as xs:double?) as xs:double?
double?value = ExtensionObjectConvert.ToNullableDouble(arg);
if (value == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(Math.Cos(value.Value));
}
protected object round_half_to_even(object arg, int precision)
{
// fn:round-half-to-even($arg as numeric?, $precision as xs:integer) as numeric?
double?value = ExtensionObjectConvert.ToNullableDouble(arg);
if (value == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(Math.Round(value.Value, precision, MidpointRounding.ToEven));
}
public object pow(object x, double y)
{
// math:pow($x as xs:double?, $y as numeric) as xs:double?
double?xVal = ExtensionObjectConvert.ToNullableDouble(x);
if (xVal == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(Math.Pow(xVal.Value, y));
}
public object abs(object arg)
{
// fn:abs($arg as numeric?) as numeric?
double?value = ExtensionObjectConvert.ToNullableDouble(arg);
if (value == null)
{
return(ExtensionObjectConvert.EmptyIterator);
}
return(Math.Abs(value.Value));
}