Set operations: union, unique, intersection, ...

Functions
array	setunique (const array &input)
	unique values
void	setunique (array &values, array &indices, array &locations, const array &input)
	unique elements in a vector and their indicies
array	setunion (const array &A, const array &B)
	union of two vectors
void	setunion (array &U, array &IA, array &IB, const array &A, const array &B)
	union of two vectors and their indices
array	setintersect (const array &A, const array &B)
	intersection of two vectors
void	setintersect (array &U, array &IA, array &IB, const array &A, const array &B)
	intersection of two vectors and their indices

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Function Documentation

array af::setunique

(

const array &

input

)

unique values

Parameters:

[in]

input

treated as vector

Returns:

unique values

void af::setunique	(	array &	values,
		array &	indices,
		array &	locations,
		const array &	input
	)

unique elements in a vector and their indicies

Parameters:

[out]	values
[out]	indices
[out]	locations
[in]	input

array af::setunion	(	const array &	A,
		const array &	B
	)

union of two vectors

Parameters:

[in]	A
[in]	B

Returns:

union of A and B

void af::setunion	(	array &	U,
		array &	IA,
		array &	IB,
		const array &	A,
		const array &	B
	)

union of two vectors and their indices

Parameters:

[out]	U	values found in either A or B
[out]	IA	indices of values present in A
[out]	IB	indices of values present in B but not in A
[in]	A
[in]	B

array af::setintersect	(	const array &	A,
		const array &	B
	)

intersection of two vectors

Parameters:

[in]	A
[in]	B

Returns:

values found in both vectors

void af::setintersect	(	array &	U,
		array &	IA,
		array &	IB,
		const array &	A,
		const array &	B
	)

intersection of two vectors and their indices

Parameters:

[out]	U	values found in both A and B
[out]	IA	The indices of values present in A but not in B
[out]	IB	The indices of values present in B but not in A
[in]	A
[in]	B