Fast Hadamard Transform (FHT)
Signal Processing (SP) Module » 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.

## Detailed Description

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