fastMag()

static u16 fl::audio::fft::Context::fastMag ( i32 re, i32 im )

inlinestaticprivate

Definition at line 345 of file fft_impl.cpp.hpp.

                                                           {
        u32 a = (re >= 0) ? static_cast<u32>(re) : static_cast<u32>(-re);
        u32 b = (im >= 0) ? static_cast<u32>(im) : static_cast<u32>(-im);
        u32 mx = (a > b) ? a : b;
        u32 mn = (a <= b) ? a : b;
        static constexpr u16x16 kMinWeight(0.40625f);
        return static_cast<u16>(mx + (kMinWeight * static_cast<i32>(mn)).to_int());
    }

References fl::FL_NO_EXCEPT.

Referenced by batchMag(), runNaive(), and runOctaveWise().

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