Function d_findMaxNormalizedFloat128

plugins/Cardinal/src/plugin.hpp:87–112

* Find the highest absolute and normalized value within a float array. */

 * Find the highest absolute and normalized value within a float array.
 */
static inline
float d_findMaxNormalizedFloat128(const float floats[128])
{
    static constexpr const float kEmptyFloats[128] = {};

    if (std::memcmp(floats, kEmptyFloats, sizeof(float)*128) == 0)
        return 0.f;

    float tmp, maxf2 = std::abs(floats[0]);

    for (std::size_t i=1; i<128; ++i)
    {
        if (!std::isfinite(floats[i]))
            __builtin_unreachable();

        tmp = std::abs(floats[i]);

        if (tmp > maxf2)
            maxf2 = tmp;
    }

    if (maxf2 > 1.f)
        maxf2 = 1.f;

    return maxf2;
}