Provides general-purpose extension methods. More...

Static Public Member Functions
static double	StandardDeviation (this IEnumerable< double > enumerable, out double mean)
	Computes the mean and standard deviation.
static IEnumerable< double >	MovingAverages (this IEnumerable< double > enumerable, double alpha)
	Computes the exponentially-smoothed moving average of the sequence.
static void	ForEach< T > (this IEnumerable< T > enumerable, Action< T > action)
	Performs the action on each item in the enumerable.
static void	ForEach< T > (this IEnumerable< T > enumerable, Action< T, int > action)
	Performs the action on each item in the enumerable as well as the item's index.
static IEnumerable< T >	InOrder< T > (this IEnumerable< T > enumerable)
	Returns the elements of the enumerable in sorted order.
static IArrayView< int >	IndicesWhenOrderedBy< TSource, TKey > (this IEnumerable< TSource > enumerable, Func< TSource, TKey > keySelector)
	The returned values represent how the indices of the current sequence would change after the sequence was sorted via the key selector.
static T	Print< T > (this T obj)
	Returns the object after printing it to standard output.
static IEnumerable< T >	PrintAll< T > (this IEnumerable< T > enumerable)
	Returns the enumerable after printing its elements.
static IEnumerable< double >	AsDeltas (this IEnumerable< double > enumerable)
	Returns the sequence of delta (change) values.
static bool	IsEmpty< T > (this IEnumerable< T > items)
	Checks whether the enumerable is empty in constant time.
static string	ConcatToString< T > (this IEnumerable< T > items, char separator, string format=null)
	Concatentates the items in the enumerable to a string, formatting them with the specified format string and separating them with the specified character.
static string	ConcatToString< T > (this IEnumerable< T > items, string separator="", string format=null)
	Concatentates the items in the enumerable to a string, formatting them with the specified format string and separating them with the specified string.
static IEnumerable< T >	Then< T > (this IEnumerable< T > items, T nextItem)
	Returns the sequence containing all of the elements in the enumerable followed by the specified item.
static IEnumerable< T >	Then< T > (this T item, IEnumerable< T > nextItems)
	Returns the sequence containing the specified item followed by the elements of the enumerable.
static IEnumerable< T >	Then< T > (this T item, T nextItem)
	Returns the sequence containing the specified item followed by the other specified item.
static IEnumerable< T >	Enumerate< T > (this T item)
	Returns a sequence containing only the specified item.
static IEnumerable< T >	Concatenated< T > (this IEnumerable< IEnumerable< T >> enumerables)
	Flattens the collection of enumerables into a single sequence.
static double	SquaredDistanceTo (this IEnumerable< double > enumerable, IEnumerable< double > that)
	Returns the square of the distance between the two vectors.
static double	InnerProduct (this IEnumerable< double > enumerable, IEnumerable< double > that)
	Returns the inner product of the two vectors.
static double	AsFinite (this double value, double defaultValue=0)
	Returns the value if it is not infinite or NaN, or the default value otherwise.
static int	Rounded (this double val)
	Rounds the double to an int.
static double	ToDouble (this int val)
	Casts the int to a double.
static IEnumerable< double >	Cumsums (this IEnumerable< double > enumerable)
	Return the cumulative sums of the vector.
static int	Argmax< T > (this IEnumerable< T > enumerable)
	Returns the index of the maximum element of the vector.
static T	LastItem< T > (this T[] array)
	Efficiently returns the last element in array.
static T	LastItem< T > (this IList< T > list)
	Efficiently returns the last element in list.
static bool	NextBool (this Random rand)
	Returns a random boolean value.
static IArrayView< T >	Shuffled< T > (this IEnumerable< T > enumerable, Random randomToUse=null)
	Returns an array whose contents are the contents of this enumerable in a random order.
static IEnumerable< Duo< T, V > >	ParallelTo< T, V > (this IEnumerable< T > en1, IEnumerable< V > en2)
	Enumerates over both sequences in parallel.
static object	New (this Type type)
	Uses reflection to instantiate a new object of type with no arguments.
static IArrayView< Type >	GetImplementingTypes (this Type type, IEnumerable< Assembly > moreAssemblies=null)
	Returns all types in the the types's assembly or in more assemblies which derive from type. Does not return interface or abstract types.
static bool	TrySerializeToFile (this object obj, string path)
	Returns true iff the object was successfully serialized the the specified file using a binary formatter.
static string	Indent (this string toIndent, int depth=1, string indentString="\t")
	Indents the string by adding the indent string depth number of times at the beginning and before each newline.

Detailed Description

Provides general-purpose extension methods.

Member Function Documentation

static int System.Extensions.Argmax< T > ( this IEnumerable< T > enumerable ) [static]

Returns the index of the maximum element of the vector.

Type Constraints

T

:

IComparable<T>

static IEnumerable<double> System.Extensions.AsDeltas ( this IEnumerable< double > enumerable ) [static]

Returns the sequence of delta (change) values.

static double System.Extensions.AsFinite	(	this double	value,
		double	defaultValue = `0`
	)		`[static]`

Returns the value if it is not infinite or NaN, or the default value otherwise.

static IEnumerable<T> System.Extensions.Concatenated< T > ( this IEnumerable< IEnumerable< T >> enumerables ) [static]

Flattens the collection of enumerables into a single sequence.

static string System.Extensions.ConcatToString< T >	(	this IEnumerable< T >	items,
		char	separator,
		string	format = `null`
	)		`[static]`

Concatentates the items in the enumerable to a string, formatting them with the specified format string and separating them with the specified character.

static string System.Extensions.ConcatToString< T >	(	this IEnumerable< T >	items,
		string	separator = `""`,
		string	format = `null`
	)		`[static]`

Concatentates the items in the enumerable to a string, formatting them with the specified format string and separating them with the specified string.

static IEnumerable<double> System.Extensions.Cumsums ( this IEnumerable< double > enumerable ) [static]

Return the cumulative sums of the vector.

static IEnumerable<T> System.Extensions.Enumerate< T > ( this T item ) [static]

Returns a sequence containing only the specified item.

static void System.Extensions.ForEach< T >	(	this IEnumerable< T >	enumerable,
		Action< T, int >	action
	)		`[static]`

Performs the action on each item in the enumerable as well as the item's index.

static void System.Extensions.ForEach< T >	(	this IEnumerable< T >	enumerable,
		Action< T >	action
	)		`[static]`

Performs the action on each item in the enumerable.

static IArrayView<Type> System.Extensions.GetImplementingTypes	(	this Type	type,
		IEnumerable< Assembly >	moreAssemblies = `null`
	)		`[static]`

Returns all types in the the types's assembly or in more assemblies which derive from type. Does not return interface or abstract types.

static string System.Extensions.Indent	(	this string	toIndent,
		int	depth = `1`,
		string	indentString = `"\t"`
	)		`[static]`

Indents the string by adding the indent string depth number of times at the beginning and before each newline.

static IArrayView<int> System.Extensions.IndicesWhenOrderedBy< TSource, TKey >	(	this IEnumerable< TSource >	enumerable,
		Func< TSource, TKey >	keySelector
	)		`[static]`

The returned values represent how the indices of the current sequence would change after the sequence was sorted via the key selector.

static double System.Extensions.InnerProduct	(	this IEnumerable< double >	enumerable,
		IEnumerable< double >	that
	)		`[static]`

Returns the inner product of the two vectors.

static IEnumerable<T> System.Extensions.InOrder< T > ( this IEnumerable< T > enumerable ) [static]

Returns the elements of the enumerable in sorted order.

Type Constraints

T

:

IComparable<T>

static bool System.Extensions.IsEmpty< T > ( this IEnumerable< T > items ) [static]

Checks whether the enumerable is empty in constant time.

static T System.Extensions.LastItem< T > ( this T[] array ) [static]

Efficiently returns the last element in array.

static T System.Extensions.LastItem< T > ( this IList< T > list ) [static]

Efficiently returns the last element in list.

static IEnumerable<double> System.Extensions.MovingAverages	(	this IEnumerable< double >	enumerable,
		double	alpha
	)		`[static]`

Computes the exponentially-smoothed moving average of the sequence.

static object System.Extensions.New ( this Type type ) [static]

Uses reflection to instantiate a new object of type with no arguments.

static bool System.Extensions.NextBool ( this Random rand ) [static]

Returns a random boolean value.

static IEnumerable<Duo<T, V> > System.Extensions.ParallelTo< T, V >	(	this IEnumerable< T >	en1,
		IEnumerable< V >	en2
	)		`[static]`

Enumerates over both sequences in parallel.

static T System.Extensions.Print< T > ( this T obj ) [static]

Returns the object after printing it to standard output.

static IEnumerable<T> System.Extensions.PrintAll< T > ( this IEnumerable< T > enumerable ) [static]

Returns the enumerable after printing its elements.

static int System.Extensions.Rounded ( this double val ) [static]

Rounds the double to an int.

static IArrayView<T> System.Extensions.Shuffled< T >	(	this IEnumerable< T >	enumerable,
		Random	randomToUse = `null`
	)		`[static]`

Returns an array whose contents are the contents of this enumerable in a random order.

static double System.Extensions.SquaredDistanceTo	(	this IEnumerable< double >	enumerable,
		IEnumerable< double >	that
	)		`[static]`

Returns the square of the distance between the two vectors.

static double System.Extensions.StandardDeviation	(	this IEnumerable< double >	enumerable,
		out double	mean
	)		`[static]`

Computes the mean and standard deviation.

static IEnumerable<T> System.Extensions.Then< T >	(	this T	item,
		T	nextItem
	)		`[static]`

Returns the sequence containing the specified item followed by the other specified item.

static IEnumerable<T> System.Extensions.Then< T >	(	this IEnumerable< T >	items,
		T	nextItem
	)		`[static]`

Returns the sequence containing all of the elements in the enumerable followed by the specified item.

static IEnumerable<T> System.Extensions.Then< T >	(	this T	item,
		IEnumerable< T >	nextItems
	)		`[static]`

Returns the sequence containing the specified item followed by the elements of the enumerable.

static double System.Extensions.ToDouble ( this int val ) [static]

Casts the int to a double.

static bool System.Extensions.TrySerializeToFile	(	this object	obj,
		string	path
	)		`[static]`

Returns true iff the object was successfully serialized the the specified file using a binary formatter.

The documentation for this class was generated from the following file:

Emotiv/Common/Extensions.cs

System.Extensions Class Reference

Static Public Member Functions

Detailed Description

Member Function Documentation