public static Truthness GetLessThanTruthness(long a, long b)
{
var distance = DistanceHelper.GetDistanceToEquality(a, b);
return(new Truthness(
a < b ? 1d : 1d / (1.1d + distance),
a >= b ? 1d : 1d / (1.1d + distance)
));
}
public static Truthness GetEqualityTruthness(double a, double b)
{
var distance = DistanceHelper.GetDistanceToEquality(a, b);
var normalizedDistance = NormalizeValue(distance);
return(new Truthness(
1d - normalizedDistance,
a != b ? 1d : 0d
));
}
public static double GetDistanceToEquality(DateTime a, DateTime b)
{
if (a.Equals(null))
{
throw new ArgumentNullException(nameof(a));
}
if (b.Equals(null))
{
throw new ArgumentNullException(nameof(b));
}
return(DistanceHelper.GetDistanceToEquality(ConvertToTimestamp(a), ConvertToTimestamp(b)));
}
public static double GetDistance(object left, object right)
{
if (left.Equals(null))
{
throw new ArgumentNullException(nameof(left));
}
if (right.Equals(null))
{
throw new ArgumentNullException(nameof(right));
}
double distance;
if (left is string && right is string)
{
// TODO Add string specialization info for left and right
// String
var a = (string)left;
var b = right.ToString();
distance = GetLeftAlignmentDistance(a, b);
}
else if (left is byte && right is byte)
{
// Byte
var a = (byte)left;
var b = (byte)right;
distance = DistanceHelper.GetDistanceToEquality(Convert.ToInt64(a), Convert.ToInt64(b));
}
else if (left is short && right is short)
{
// Short
var a = (short)left;
var b = (short)right;
distance = DistanceHelper.GetDistanceToEquality(Convert.ToInt64(a), Convert.ToInt64(b));
}
else if (left is int && right is int)
{
// Integer
var a = (int)left;
var b = (int)right;
distance = GetDistanceToEquality(a, b);
}
else if (left is long && right is long)
{
// Long
var a = (long)left;
var b = (long)right;
distance = GetDistanceToEquality(a, b);
}
else if (left is float && right is float)
{
// Float
var a = (float)left;
var b = (float)right;
distance = GetDistanceToEquality(a, b);
}
else if (left is double && right is double)
{
// Double
var a = (double)left;
var b = (double)right;
distance = GetDistanceToEquality(a, b);
}
else if (left is char && right is char)
{
// Character
var a = (char)left;
var b = (char)right;
distance = GetDistanceToEquality(a, b);
}
else if (left is DateTime && right is DateTime)
{
// DateTime
var a = (DateTime)left;
var b = (DateTime)right;
distance = GetDistanceToEquality(a, b);
}
else
{
distance = double.MaxValue;
}
return(distance);
}
