hashFFTArgs()

fl::size fl::audio::Context::hashFFTArgs ( const fft::Args & args )

staticprivate

Definition at line 7 of file audio_context.cpp.hpp.

                                               {
    // Create a hash from fft::Args for O(1) cache lookup
    // Use simple hash combining of the integer fields
    fl::size hash = 0;
    hash = (hash * 31) ^ static_cast<fl::size>(args.samples);
    hash = (hash * 31) ^ static_cast<fl::size>(args.bands);
    hash = (hash * 31) ^ static_cast<fl::size>(args.sample_rate);
 
    // For floats, use bit representation via memcpy (safer than reinterpret_cast)
    u32 fmin_bits, fmax_bits;
    fl::memcpy(&fmin_bits, &args.fmin, sizeof(fmin_bits));
    fl::memcpy(&fmax_bits, &args.fmax, sizeof(fmax_bits));
    hash = (hash * 31) ^ static_cast<fl::size>(fmin_bits);
    hash = (hash * 31) ^ static_cast<fl::size>(fmax_bits);
    hash = (hash * 31) ^ static_cast<fl::size>(args.mode);
    return hash;
}

References args, and fl::memcpy().

Referenced by getFFT().

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