private Pressure As(PressureReference reference)
{
if (Reference == reference)
{
return(new Pressure(Pressure.Value, Pressure.Unit));
}
var converted = AsBaseNumericType(reference);
if (converted < 0)
{
converted *= -1;
}
return(new Pressure(converted, Pressure.Unit));
}
private double AsBaseNumericType(PressureReference reference)
{
if (Reference == reference)
{
return(Pressure.Value);
}
var baseReferenceValue = AsBaseReference();
var negatingValue = Reference == PressureReference.Vacuum ? -1 : 1;
switch (reference)
{
case PressureReference.Absolute: return(baseReferenceValue);
case PressureReference.Gauge: return(baseReferenceValue - ReferencedPressure.ToUnit(Pressure.Unit).Value);
case PressureReference.Vacuum: return(ReferencedPressure.ToUnit(Pressure.Unit).Value - negatingValue * baseReferenceValue);
default:
throw new NotImplementedException($"Can not convert {Reference} to {reference}.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ReferencePressure" /> struct requiring
/// measured <see cref="UnitsNet.Pressure" />, <see cref="PressureReference" />, and atmospheric <see cref="UnitsNet.Pressure" />
/// parameters
/// </summary>
/// <param name="pressure">The measured <see cref="UnitsNet.Pressure" /></param>
/// <param name="reference">
/// The referenced <see cref="PressureReference" /> for the measured <see cref="UnitsNet.Pressure" />
/// </param>
/// <param name="atmosphericPressure">The atmospheric <see cref="UnitsNet.Pressure" /> where the measurement was taken.</param>
public ReferencePressure(Pressure pressure, PressureReference reference, Pressure atmosphericPressure)
{
Reference = reference;
Pressure = pressure;
AtmosphericPressure = atmosphericPressure;
}
/// <summary>
/// Initializes a new instance of the <see cref="ReferencePressure" /> struct requiring
/// measured <see cref="UnitsNet.Pressure" /> and <see cref="PressureReference" /> parameters. Assumes 1 atm as the atmospheric
/// <see cref="UnitsNet.Pressure" />.
/// </summary>
/// <param name="pressure">The measured <see cref="UnitsNet.Pressure" /></param>
/// <param name="reference">
/// The referenced <see cref="PressureReference" /> for the measured <see cref="UnitsNet.Pressure" />
/// </param>
public ReferencePressure(Pressure pressure, PressureReference reference) : this(pressure, reference, DefaultAtmosphericPressure)
{
}
/// <summary>
/// Converts <see cref="ReferencePressure" /> to <see cref="UnitsNet.Pressure" /> at <see cref="PressureReference" />
/// </summary>
/// <param name="reference">The <see cref="PressureReference" /> to convert <see cref="ReferencePressure" /> to.</param>
/// <returns>The <see cref="UnitsNet.Pressure" /> at the specified <see cref="PressureReference" /></returns>
private Pressure As(PressureReference reference)
{
var converted = AsBaseNumericType(reference);
return(new Pressure(converted, Pressure.Unit));
}
public ReferencePressure(Pressure pressure, PressureReference reference)
{
_reference = reference;
Pressure = pressure;
}
