private static INullableQueryTable <T> TempMath <T>(INullableQueryTable <T> sourceTable, string temperatureName,
string humidityName, string dewPointName, Func <TemperatureMath, double> valueSelector) where T : struct
{
return(sourceTable.ToNewTable((o, n) =>
{
n.AddSerie(sourceTable.TryGetSerie(temperatureName)
.Zip(sourceTable.TryGetSerie(humidityName), dewPointName,
(t, h) =>
{
if (!t.HasValue || !h.HasValue)
{
return null;
}
var tempMath = new TemperatureMath(Convert.ToDouble(t.Value), Convert.ToDouble(h.Value));
return (T)Convert.ChangeType(valueSelector(tempMath), typeof(T));
}));
}));
}
private static T?CalcSnowingTemperature <T>(float dewPoint, T?humidity) where T : struct
{
if (humidity.HasValue == false)
{
return(null);
}
float temp = dewPoint;
var doubleHumidity = humidity.ToDouble();
var calc = new TemperatureMath(temp, doubleHumidity);
temp = (float)(temp + (temp - calc.Taupunkt));
for (int i = 0; i < 3; i++)
{
var calc2 = new TemperatureMath(temp, doubleHumidity);
temp = (float)(temp + (dewPoint - calc2.Taupunkt));
}
return(temp.ToType <T>());
}
public double ConvertWithWindChill(double input, double wind)
{
return(Convert(TemperatureMath.CalculateWindChill(input, SourceUnit, wind)));
}