compat.xsimd

// compat.xsimd — assert architecture discovery, unaligned load/store, batch
// arithmetic, math functions and horizontal reduction through the public API.
#include <xsimd/xsimd.hpp>

#include <array>
#include <cmath>
#include <cstddef>
#include <cstdio>

int main() {
    using batch_type = xsimd::batch<float>;
    constexpr std::size_t width = batch_type::size;

    std::array<float, width> left{};
    std::array<float, width> right{};
    std::array<float, width> sum{};
    for (std::size_t i = 0; i < width; ++i) {
        left[i] = static_cast<float>(i + 1);
        right[i] = static_cast<float>(2 * i + 2);
    }

    bool ok = true;
// …