cpp/experimental/simd/const where expression

The class template const_where_expression abstracts the notion of selected elements of a given const object of arithmetic or data-parallel type. Selected elements signifies the elements data[i] for all i ∈ {j ∈ ℕ | j < M::size ⋀ mask[j]}.

Template parameters
Valid combinations of (M, V) are:, ,.