/// <summary>
/// Compares the lhs to the rhs.
/// </summary>
/// <param name="lhs">The LHS quantity.</param>
/// <param name="rhs">The RHS quantity.</param>
/// <returns>The result of <see cref="int"/> Compare based the rhs converted to the same unit as lhs.</returns>
public static int CompareTo(IQuantity lhs, IQuantity rhs)
{
var lhsUnit = lhs.Unit;
var rhsUnit = rhs.Unit;
if (!UnitEqualityHelper.AreBaseUnitsEqual(lhsUnit, rhsUnit))
{
throw new UnitMismatchException(OperationType.Compare, lhsUnit, rhsUnit);
}
var rhsValue = QuantityOperations.ConvertToUnit(rhs, lhs.Unit);
return(lhs.Value.CompareTo(rhsValue));
}
/// <summary>
/// Checks if the lhs and the rhs are equal.
/// </summary>
/// <param name="lhs">The LHS quantity.</param>
/// <param name="rhs">The RHS quantity.</param>
/// <returns>
/// A value indication whether the lhs and the rhs are equal.
/// </returns>
public static bool AreEqual(IQuantity lhs, IQuantity rhs)
{
if (lhs == null || rhs == null)
{
return(false);
}
var lhsUnit = lhs.Unit;
var rhsUnit = rhs.Unit;
if (!UnitEqualityHelper.AreBaseUnitsEqual(lhsUnit, rhsUnit))
{
return(false);
}
var rhsValue = QuantityOperations.ConvertToUnit(rhs, lhsUnit);
return(lhs.Value.Equals(rhsValue));
}
/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <param name="quantity">The quantity.</param>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
/// </returns>
public static int GetHashCode(IQuantity quantity)
{
return(QuantityOperations.ConvertToUnit(quantity, IdentityUnit).GetHashCode());
}
/// <summary>
/// Converts this object to a <see cref="double" /> using the specified unit.
/// </summary>
/// <param name="unit">The quantity unit.</param>
/// <returns>
/// The converted <see cref="double" />.
/// </returns>
public double ToDouble(IUnit unit)
{
return QuantityOperations.ConvertToUnit(this, unit);
}
/// <summary>
/// Divides the specified lhs by the specified rhs.
/// </summary>
/// <param name="lhs">The LHS.</param>
/// <param name="rhs">The RHS.</param>
/// <returns>
/// A <see cref="Quantity"/>.
/// </returns>
public static double operator /(Quantity lhs, Quantity rhs)
{
return QuantityOperations.Divide(lhs, rhs).Value;
}
/// <summary>
/// Multiplies the specified lhs by the specified rhs.
/// </summary>
/// <param name="lhs">The LHS.</param>
/// <param name="rhs">The RHS.</param>
/// <returns>
/// A <see cref="Quantity"/>.
/// </returns>
public static Quantity operator *(Quantity lhs, Quantity rhs)
{
return new Quantity(QuantityOperations.Multiply(lhs, rhs));
}
/// <summary>
/// Subtracts the specified rhs from the specified lhs.
/// </summary>
/// <param name="lhs">The LHS.</param>
/// <param name="rhs">The RHS.</param>
/// <returns>
/// A <see cref="Quantity"/>.
/// </returns>
public static Quantity operator -(Quantity lhs, Quantity rhs)
{
return new Quantity(QuantityOperations.Subtract(lhs, rhs));
}
/// <summary>
/// Adds the specified rhs to the specified lhs.
/// </summary>
/// <param name="lhs">The LHS.</param>
/// <param name="rhs">The RHS.</param>
/// <returns>
/// A <see cref="Quantity"/>.
/// </returns>
public static Quantity operator +(Quantity lhs, Quantity rhs)
{
return new Quantity(QuantityOperations.Add(lhs, rhs));
}