atan_unit()

template<typename Derived, int IntBits, int FracBits>

static FASTLED_FORCE_INLINE Derived fl::fixed_point_base< Derived, IntBits, FracBits >::atan_unit ( Derived t )

inlinestaticprivate

Definition at line 485 of file base.h.

                                                             {
        constexpr Derived c0(0.9998779297f);
        constexpr Derived c1(-0.3269348145f);
        constexpr Derived c2(0.1594085693f);
        constexpr Derived c3(-0.0472106934f);
        Derived t2 = t * t;
        return t * (c0 + t2 * (c1 + t2 * (c2 + t2 * c3)));
    }

References FASTLED_FORCE_INLINE, and fl::t.

Referenced by atan(), and atan2().

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