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/TwlSDK-5.5/build/demos/math/fft-1/src/
Dmain.c51 static fx32 gFFTCos[FFT_N], gFFTSin[FFT_N]; variable
545 gFFTSin[i] = data[i * 2 + 1];
557 t = gFFTSin[i];
558 gFFTSin[i] = gFFTSin[j];
559 gFFTSin[j] = t;
574 dx = FX_Mul(s, gFFTSin[ik]) + FX_Mul(c, gFFTCos[ik]);
575 dy = FX_Mul(c, gFFTSin[ik]) - FX_Mul(s, gFFTCos[ik]);
578 gFFTSin[ik] = gFFTSin[i] - dy;
579 gFFTSin[i] += dy;
590 data[i * 2 + 1] = gFFTSin[i] >> nShift;
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