Function InnerProduct

util/generic/algorithm.h:475–477

template <typename It1, typename It2, typename Val>
constexpr Val InnerProduct(It1 begin1, It1 end1, It2 begin2, Val val) {
    return std::inner_product(begin1, end1, begin2, val);
}

template <typename It1, typename It2, typename Val, typename BinOp1, typename BinOp2>
constexpr Val InnerProduct(It1 begin1, It1 end1, It2 begin2, Val val, BinOp1 binOp1, BinOp2 binOp2) {