Function duplow¶

`function` duplow(const vec<T, N> &) simd ¶

template <typename T, size_t N>
KFR_INTRINSIC vec<T, N> duplow(const vec<T, N>& x)

Duplicates the lower half of x to fill the whole vector.

The first N/2 elements of x are repeated to occupy all N lanes.

Template parameters
T	Element type of the vector.
N	Input vector length.

Parameters
x	Source vector.

Returns
	A vector of length `N` whose two halves are both copies of the lower half of `x.`

Fully qualified name: kfr::duplow(const vec<T, N> &)

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