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Fast Hadamard Transform (FHT)
[Transforms]


Functions

template<class T>
Vec< T > itpp::dht (const Vec< T > &v)
 Fast Hadamard Transform.
template<class T>
void itpp::dht (const Vec< T > &vin, Vec< T > &vout)
 Fast Hadamard Transform.
template<class T>
void itpp::self_dht (Vec< T > &v)
 Fast Hadamard Transform - memory efficient. Stores the result in v.
template<class T>
Vec< T > itpp::dwht (const Vec< T > &v)
 Fast Walsh Hadamard Transform.
template<class T>
void itpp::dwht (const Vec< T > &vin, Vec< T > &vout)
 Fast Walsh Hadamard Transform.
template<class T>
void itpp::self_dwht (Vec< T > &v)
 Fast Walsh Hadamard Transform - memory efficient (result in v).
template<class T>
Mat< T > itpp::dht2 (const Mat< T > &m)
 Fast 2D Hadamard Transform.
template<class T>
Mat< T > itpp::dwht2 (const Mat< T > &m)
 Fast 2D Walsh Hadamard Transform.

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