pow()

static FASTLED_FORCE_INLINE u16x16 fl::u16x16::pow ( u16x16 base, u16x16 exp )

inlinestatic

Definition at line 195 of file u16x16.h.

                                                                                 {
        constexpr u16x16 one(1.0f);
        if (exp.mValue == 0) return one;
        if (base == one) return one;
        if (base.mValue == 0) return u16x16();
        // Snap base values within ~2 ULPs of 1.0 to exactly 1.0 to dodge the
        // log2(1+t) minimax polynomial's upper-endpoint residual (#2969).
        constexpr u32 kOneRaw = static_cast<u32>(SCALE);
        if (base.mValue >= (kOneRaw - 2u) && base.mValue <= kOneRaw) {
            return one;
        }
        return exp2_fp(exp * log2_fp(base));
    }

References u16x16(), fl::exp(), exp2_fp(), FASTLED_FORCE_INLINE, fl::FL_NO_EXCEPT, log2_fp(), and SCALE.

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