/// <summary>
/// <para>
/// Compare equality to another Mass within the given absolute or relative tolerance.
/// </para>
/// <para>
/// Relative tolerance is defined as the maximum allowable absolute difference between this quantity's value and
/// <paramref name="other"/> as a percentage of this quantity's value. <paramref name="other"/> will be converted into
/// this quantity's unit for comparison. A relative tolerance of 0.01 means the absolute difference must be within +/- 1% of
/// this quantity's value to be considered equal.
/// <example>
/// In this example, the two quantities will be equal if the value of b is within +/- 1% of a (0.02m or 2cm).
/// <code>
/// var a = Length.FromMeters(2.0);
/// var b = Length.FromInches(50.0);
/// a.Equals(b, 0.01, ComparisonType.Relative);
/// </code>
/// </example>
/// </para>
/// <para>
/// Absolute tolerance is defined as the maximum allowable absolute difference between this quantity's value and
/// <paramref name="other"/> as a fixed number in this quantity's unit. <paramref name="other"/> will be converted into
/// this quantity's unit for comparison.
/// <example>
/// In this example, the two quantities will be equal if the value of b is within 0.01 of a (0.01m or 1cm).
/// <code>
/// var a = Length.FromMeters(2.0);
/// var b = Length.FromInches(50.0);
/// a.Equals(b, 0.01, ComparisonType.Absolute);
/// </code>
/// </example>
/// </para>
/// <para>
/// Note that it is advised against specifying zero difference, due to the nature
/// of floating point operations and using System.Double internally.
/// </para>
/// </summary>
/// <param name="other">The other quantity to compare to.</param>
/// <param name="tolerance">The absolute or relative tolerance value. Must be greater than or equal to 0.</param>
/// <param name="comparisonType">The comparison type: either relative or absolute.</param>
/// <returns>True if the absolute difference between the two values is not greater than the specified relative or absolute tolerance.</returns>
public bool Equals(Mass other, double tolerance, ComparisonType comparisonType)
{
if (tolerance < 0)
{
throw new ArgumentOutOfRangeException("tolerance", "Tolerance must be greater than or equal to 0.");
}
double thisValue = (double)this.Value;
double otherValueInThisUnits = other.As(this.Unit);
return(UnitsNet.Comparison.Equals(thisValue, otherValueInThisUnits, tolerance, comparisonType));
}
public void MassCompareAutoTest()
{
UnitsNet.Mass A1 = new UnitsNet.Mass(65.743, UnitsNet.Units.MassUnit.Kilogram);
EngineeringUnits.Mass A2 = new EngineeringUnits.Mass(65.743, EngineeringUnits.MassUnit.Kilogram);
var EU11 = EngineeringUnits.MassUnit.List();
var UN11 = UnitsNet.Mass.Units;
int DiffCount = 0;
for (int i = 0; i < UnitsNet.Mass.Units.Length; i++)
{
if (UnitsNet.Mass.Units[i] == UnitsNet.Units.MassUnit.SolarMass)
{
DiffCount++;
continue;
}
//Getting Units
var EU = EngineeringUnits.MassUnit.List().ToList()[i - DiffCount];
var UN = UnitsNet.Mass.Units[i];
//All units absolute difference
Assert.AreEqual(0, A2.As(EU) - A1.As(UN), 0.008);
//All units relative difference
Assert.AreEqual(0, HelperClass.Percent(A2.As(EU),
A1.As(UN)),
1E-3);
//All units symbol compare
Assert.AreEqual(A2.ToUnit(EU).DisplaySymbol(),
A1.ToUnit(UN).ToString("a"));
}
}
public void Masscompare()
{
UnitsNet.Mass L1 = new UnitsNet.Mass(5674.889, UnitsNet.Units.MassUnit.Kilogram);
EngineeringUnits.Mass L2 = new EngineeringUnits.Mass(5674.889, EngineeringUnits.MassUnit.Kilogram);
//UnitsNet has some small numerical-error that show off as big in small units like Nanometer
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Centigram) - L1.As(UnitsNet.Units.MassUnit.Centigram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Decigram) - L1.As(UnitsNet.Units.MassUnit.Decigram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Decagram) - L1.As(UnitsNet.Units.MassUnit.Decagram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.EarthMass) - L1.As(UnitsNet.Units.MassUnit.EarthMass), 9.5E-20);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Grain) - L1.As(UnitsNet.Units.MassUnit.Grain), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Gram) - L1.As(UnitsNet.Units.MassUnit.Gram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Hectogram) - L1.As(UnitsNet.Units.MassUnit.Hectogram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Kilogram) - L1.As(UnitsNet.Units.MassUnit.Kilogram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Microgram) - L1.As(UnitsNet.Units.MassUnit.Microgram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Milligram) - L1.As(UnitsNet.Units.MassUnit.Milligram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Nanogram) - L1.As(UnitsNet.Units.MassUnit.Nanogram), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Ounce) - L1.As(UnitsNet.Units.MassUnit.Ounce), 0.0003);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Pound) - L1.As(UnitsNet.Units.MassUnit.Pound), 1.9E-12);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.ShortTon) - L1.As(UnitsNet.Units.MassUnit.ShortTon), 0);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Stone) - L1.As(UnitsNet.Units.MassUnit.Stone), 0.0008);
Assert.AreEqual(0, L2.As(EngineeringUnits.MassUnit.Tonne) - L1.As(UnitsNet.Units.MassUnit.Tonne), 0);
//Assert.AreEqual(0, UnitsNet.Length.FromKilometers(435).Meters - EngineeringUnits.Length.FromKilometers(435).Meters, 0);
}
