rsqrt() [2/2]

template<typename Derived, int IntBits, int FracBits>

static constexpr FASTLED_FORCE_INLINE Derived fl::fixed_point_base< Derived, IntBits, FracBits >::rsqrt ( Derived x )

inlinestaticconstexpr

Definition at line 228 of file base.h.

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

References FASTLED_FORCE_INLINE, FRAC_BITS, sqrt(), and fl::x.

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