Double Comparer Class
Definition
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.2
public class DoubleComparer : IComparer,
IComparer<double>
- Inheritance
- Object → DoubleComparer
Remarks
Two apparently equivalent floating-point numbers may not compare equal because of differences in their least significant digits. This is usually caused by round-off error resulting from the finite precision of floating-point representations. For example, the C# expression, (double)1/3 == (double)0.33333, does not compare equal because the division operation on the left-hand side has maximum precision while the constant on the right-hand side is only precise to the visible digits.
Instead, determine if the two sides of a comparison are close enough to equal for your purposes. The DoubleComparer class lets you specify the tolerance within which two numbers are considered equal.
Constructors
Double | Initializes a new instance of the DoubleComparer class. |
Properties
Tolerance | Gets or sets the relative tolerance within which two numbers compare equal. |
Methods
Compare | Compares two Double values and returns whether one is less than, equal to or greater than the other. |
Equals | Determines whether the specified object is equal to the current object. (Inherited from Object) |
Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object) |
Get | Serves as the default hash function. (Inherited from Object) |
Get | Gets the Type of the current instance. (Inherited from Object) |
Memberwise | Creates a shallow copy of the current Object. (Inherited from Object) |
ToString | Returns a string that represents the current object. (Inherited from Object) |