rsqrt()

static constexpr FASTLED_FORCE_INLINE u4x12 fl::u4x12::rsqrt ( u4x12 x )

inlinestaticconstexpr

Definition at line 167 of file u4x12.h.

                                                                           {
        return sqrt(x).mValue == 0
            ? u4x12()
            : from_raw(static_cast<u16>(1) << FRAC_BITS) / sqrt(x);
    }

References u4x12(), FASTLED_FORCE_INLINE, FL_NOEXCEPT, FRAC_BITS, from_raw(), mValue, sqrt(), and fl::x.

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