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GeneralComparer Class
General comparer which supports multiple directions and comparison of absolute values.
Inheritance Hierarchy
SystemObject
  Accord.Math.ComparersGeneralComparer

Namespace:  Accord.Math.Comparers
Assembly:  Accord.Math (in Accord.Math.dll) Version: 3.8.0
Syntax
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public class GeneralComparer
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The GeneralComparer type exposes the following members.

Constructors
Properties
  NameDescription
Public propertyDirection
Gets or sets the sorting direction used by this comparer.
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Methods
  NameDescription
Public methodCompare(Double, Double)
Compares two objects and returns a value indicating whether one is less than, equal to, or greater than the other.
Public methodCompare(Int32, Int32)
Compares two objects and returns a value indicating whether one is less than, equal to, or greater than the other.
Public methodEquals
Determines whether the specified object is equal to the current object.
(Inherited from Object.)
Protected methodFinalize
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object.)
Public methodGetHashCode
Serves as the default hash function.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Protected methodMemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)
Public methodToString
Returns a string that represents the current object.
(Inherited from Object.)
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Extension Methods
  NameDescription
Public Extension MethodHasMethod
Checks whether an object implements a method with the given name.
(Defined by ExtensionMethods.)
Public Extension MethodIsEqual
Compares two objects for equality, performing an elementwise comparison if the elements are vectors or matrices.
(Defined by Matrix.)
Public Extension MethodTo(Type)Overloaded.
Converts an object into another type, irrespective of whether the conversion can be done at compile time or not. This can be used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.)
Public Extension MethodToTOverloaded.
Converts an object into another type, irrespective of whether the conversion can be done at compile time or not. This can be used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.)
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Examples
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// Assume we have values to sort
double[] values = { 0, -5, 3, 1, 8 };

// We can create an ad-hoc sorting rule considering only absolute values
Array.Sort(values, new GeneralComparer(ComparerDirection.Ascending, Math.Abs));

// Result will be { 0, 1, 3, 5, 8 }.
See Also