[slice.arr.comp.assign]

🔗

void operator*= (const valarray<T>&) const;
void operator/= (const valarray<T>&) const;
void operator%= (const valarray<T>&) const;
void operator+= (const valarray<T>&) const;
void operator-= (const valarray<T>&) const;
void operator^= (const valarray<T>&) const;
void operator&= (const valarray<T>&) const;
void operator|= (const valarray<T>&) const;
void operator<=(const valarray<T>&) const;
void operator>=(const valarray<T>&) const;

These compound assignments have reference semantics, applying the indicated operation to the elements of the argument array and selected elements of the valarray<T> object to which the slice_array object refers.

29 Numerics library [numerics]

29.6 Numeric arrays [numarray]

29.6.5 Class template slice_array [template.slice.array]

29.6.5.3 Compound assignment [slice.arr.comp.assign]