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operator<

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operator<

template<class T>
    valarray<bool> operator<(const valarray<T>& x,
        const valarray<T>& y);
template<class T>
    valarray<bool> operator<(const valarray<T> x, const T& y);
template<class T>
    valarray<bool> operator<(const T& x, const valarray<T>& y);

The first template operator returns an object of class valarray<bool>, each of whose elements I is x[I] < y[I]. The second template operator stores in element I``x[I] < y. The third template operator stores in element I``x < y[I].