VectorUtilities Namespace Reference

Functions
double	sumVector (const std::vector< double > &v)
template<typename T >
void	printVector (const std::vector< T > &v)
void	printVectorOfVectors (std::vector< std::vector< double >> const &mat)
std::map< int, int >	GetUniqueElementsAndFrequency (const std::vector< int > &vec)
void	filterAndShrinkMap (std::map< int, int > &frequencyMap, int threshold=2)
template<typename T >
bool	areAllElementsEqual (const std::vector< T > &vec)
int	getMajorityElement (const std::vector< int > &vec)
int	countDifferentFromMajority (const std::vector< int > &vec)
std::vector< double >	TVectorDToStdVector (const TVectorD &vec)
bool	AreVectorsEqual (const std::vector< double > &vec1, const std::vector< double > &vec2, double tol=1e-4)

Function Documentation

areAllElementsEqual()

template<typename T >

bool VectorUtilities::areAllElementsEqual

(

const std::vector< T > &

vec

)

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AreVectorsEqual()

bool VectorUtilities::AreVectorsEqual	(	const std::vector< double > &	vec1,
		const std::vector< double > &	vec2,
		double	tol = 1e-4
	)

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countDifferentFromMajority()

int VectorUtilities::countDifferentFromMajority

(

const std::vector< int > &

vec

)

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filterAndShrinkMap()

void VectorUtilities::filterAndShrinkMap	(	std::map< int, int > &	frequencyMap,
		int	threshold = 2
	)

Shrinking the map by swapping with a temporary copy.

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getMajorityElement()

int VectorUtilities::getMajorityElement

(

const std::vector< int > &

vec

)

Count the frequency of each element in the vector

Find the majority element

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GetUniqueElementsAndFrequency()

std::map<int, int> VectorUtilities::GetUniqueElementsAndFrequency

(

const std::vector< int > &

vec

)

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printVector()

template<typename T >

void VectorUtilities::printVector

(

const std::vector< T > &

v

)

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printVectorOfVectors()

void VectorUtilities::printVectorOfVectors

(

std::vector< std::vector< double >> const &

mat

)

useful for debugging; printing out particle vector of vectors to terminal

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sumVector()

double VectorUtilities::sumVector

(

const std::vector< double > &

v

)

function to find sum of all elements in a vector. https://stackoverflow.com/questions/3221812/how-to-sum-up-elements-of-a-c-vector/3221813#3221813

TVectorDToStdVector()

std::vector<double> VectorUtilities::TVectorDToStdVector

(

const TVectorD &

vec

)

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