* Function: PostMultiply * * Description: post-twiddle stage of DCT4 * * Inputs: table index (for transform size) * buffer of nmdct samples * * Outputs: processed samples in same buffer * * Return: none * * Notes: minimum 1 GB in, 2 GB out - gains 2 int bits * uses 3-mul, 3-add butterflies instead of 4-mul, 2-add ***********************
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