atan() [2/2]

static FASTLED_FORCE_INLINE s8x24 fl::s8x24::atan ( s8x24 x )

inlinestatic

Definition at line 162 of file s8x24.h.

                                                                {
        constexpr s8x24 one(1.0f);
        constexpr s8x24 pi_over_2(1.5707963f);
        bool neg = x.mValue < 0;
        s8x24 ax = abs(x);
        s8x24 result;
        if (ax <= one) {
            result = atan_unit(ax);
        } else {
            result = pi_over_2 - atan_unit(one / ax);
        }
        return neg ? -result : result;
    }

References s8x24(), abs(), atan_unit(), FASTLED_FORCE_INLINE, FL_NOEXCEPT, and fl::x.

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