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/frameworks/av/services/audioflinger/
H A DAudioResamplerFirGen.h30 * to calculate sine(wstart + n * wstep) or cosine(wstart + n * wstep)
33 * e^i(wstart+wstep) = 2cos(wstep) * e^i(wstart) - e^i(wstart-wstep)
37 * sin(wstart+wstep) = 2cos(wstep) * sin(wstart) - sin(wstart-wstep)
40 * e^i(wstart+wstep) = e^i(wstart) * e^i(wstep), whic
50 SineGen(double wstart, double wstep, bool cosine = false) argument
525 double wstep = (wend - wstart)/steps; local
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