Method update

src/fl/math/filter/filter.h:563–563

    GaussianFilter() FL_NOEXCEPT = default;
    explicit GaussianFilter(fl::size capacity) : mImpl(capacity) {}
    FASTLED_FORCE_INLINE T update(T input) { return mImpl.update(input); }
    FASTLED_FORCE_INLINE T update(fl::span<const T> values) { return mImpl.update(values); }
    FASTLED_FORCE_INLINE T value() const { return mImpl.value(); }
    FASTLED_FORCE_INLINE void reset() { mImpl.reset(); }