Function arithmetic

benchmarks/arithmetic.cpp:21–28

template <typename TValue>
static void arithmetic(benchmark::State& state, TValue (*func)(TValue, TValue))
{
    for (auto _ : state)
    {
        TValue x{ static_cast<TValue>(static_cast<int16_t>(s_x)) }, y{ static_cast<TValue>(static_cast<int16_t>(s_y)) };
        benchmark::DoNotOptimize(func(x, y));
    }
}

#define FUNC(TYPE, OP) \
    [](TYPE x, TYPE y) -> TYPE { return x OP y; }