Function column¶

`function` column(const vec<vec<T, N1>, N2> &) simd ¶

template <size_t index, typename T, size_t N1, size_t N2>
KFR_INTRINSIC vec<T, N2> column(const vec<vec<T, N1>, N2>& x)

Extracts a single column from a vector-of-vectors.

Treats x as a matrix of N2 rows by N1 columns and returns the index-th column.

Template parameters
index	Column index to extract, must be less than `N1.`
T	Element type of the inner vector.
N1	Length of each inner vector (number of columns).
N2	Number of inner vectors (number of rows).

Parameters
x	Source vector of vectors.

Returns
	A vector of length `N2` holding the `index-th` element of each inner vector.

Fully qualified name: kfr::column(const vec<vec<T, N1>, N2> &)

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