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libclfft

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  • Heinz-Bernd Eggenstein's avatar
    Heinz-Bernd Eggenstein authored
    experimental: -added alternative method for twiddle factor calc, using a smaller LUT (256 * float2 )
                   via Taylor series to 3rd order, seems to be almost as accurate as method with 2 bigger LUTs, but faster.
                  -improved method w/ 2 bigger LUTs to use LUTs of float2
                  -improved method using slow sin/cos functions (now uses sincos combined function), still slow
                  - preparaed plan struct to have method switchable at plan creation time.
    
                  TODO: load smaller LUT for Taylor series approx into shared mem.
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    example
    include
    lib/amd/win32/2.5
    src
    .gitignore
    Makefile