atan() [2/2]

static FASTLED_FORCE_INLINE s24x8 fl::s24x8::atan ( s24x8 x )

inlinestatic

Definition at line 162 of file s24x8.h.

                                                                 {
        constexpr s24x8 one(1.0f);
        constexpr s24x8 pi_over_2(1.5707963f);
        bool neg = x.mValue < 0;
        s24x8 ax = abs(x);
        s24x8 result;
        if (ax <= one) {
            result = atan_unit(ax);
        } else {
            result = pi_over_2 - atan_unit(one / ax);
        }
        return neg ? -result : result;
    }

References s24x8(), abs(), atan_unit(), FASTLED_FORCE_INLINE, fl::FL_NO_EXCEPT, and fl::x.

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