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hadamard_transform

diskann_quantization::algorithms

Function hadamard_transform 

Source 
pub fn hadamard_transform(x: &mut [f32]) -> Result<(), NotPowerOfTwo>
Expand description

Implicitly multiply the argument x by a Hadamard matrix and scale the results by 1 / x.len().sqrt().

This function does not allocate and operates in place.

§Error

Returns an error if x.len() is not a power of two.

§See Also