public static double Unit(
[ExcelArgument("Value")] double value,
[ExcelArgument("Previous unit", Name = "previous_Unit")] string _prevUnit,
[ExcelArgument("New unit", Name = "new_Unit")] string _newUnit)
{
double prevUnit; double newUnit;
if (ForceUnits.TryGetValue(_prevUnit, out prevUnit) &&
ForceUnits.TryGetValue(_newUnit, out newUnit))
{
return(value * newUnit / prevUnit);
}
else if (LengthUnits.TryGetValue(_prevUnit, out prevUnit) &&
LengthUnits.TryGetValue(_newUnit, out newUnit))
{
return(value * newUnit / prevUnit);
}
else if (AreaUnits.TryGetValue(_prevUnit, out prevUnit) &&
AreaUnits.TryGetValue(_newUnit, out newUnit))
{
return(value * newUnit / prevUnit);
}
else if (MomentUnits.TryGetValue(_prevUnit, out prevUnit) &&
MomentUnits.TryGetValue(_newUnit, out newUnit))
{
return(value * newUnit / prevUnit);
}
else if (PressureUnits.TryGetValue(_prevUnit, out prevUnit) &&
PressureUnits.TryGetValue(_newUnit, out newUnit))
{
return(value * newUnit / prevUnit);
}
else
{
return(double.NaN);
}
}
