43 #define FFT_N              (1 << FFT_NSHIFT)  macro
51 static fx32 gFFTCos[FFT_N], gFFTSin[FFT_N];
52 static int gBitRevTable[FFT_N];
191     static fx32 data[FFT_N * 2];  in FFTTest()
192     static fx32 orig[FFT_N * 2];  in FFTTest()
193     static fx16 sinTable[FFT_N - FFT_N / 4];  in FFTTest()
194     static fx16 sinTable2[(FFT_N - FFT_N / 4) / 2];  in FFTTest()
203     OS_TPrintf("N = %d\n", FFT_N);  in FFTTest()
206         for (i = 0; i < FFT_N; i++)  in FFTTest()
208             orig[i * 2] = data[i * 2] = FX_SinIdx((65536 / FFT_N) * i);  in FFTTest()
222         for (i = 0; i < FFT_N; i++)  in FFTTest()
224             orig[i * 2] = data[i * 2] = FX_CosIdx((65536 / FFT_N) * i);  in FFTTest()
238         for (i = 0; i < FFT_N; i++)  in FFTTest()
241                 FX_CosIdx((65536 / FFT_N) * i) + FX_SinIdx((65536 / FFT_N) * i);  in FFTTest()
255         for (i = 0; i < FFT_N; i++)  in FFTTest()
271         for (i = 0; i < FFT_N; i++)  in FFTTest()
287         for (i = 0; i < FFT_N; i++)  in FFTTest()
309             for (i = 0; i < FFT_N; i++)  in FFTTest()
328         for (i = 0; i < FFT_N; i++)  in FFTTest()
330             orig[i] = data[i] = FX_SinIdx((65536 / FFT_N) * i);  in FFTTest()
332         for (; i < FFT_N * 2; i++)  in FFTTest()
354             for (i = 0; i < FFT_N; i++)  in FFTTest()
359             for (; i < FFT_N * 2; i++)  in FFTTest()
382         for (i = 0; i < FFT_N; i++)  in FFTTest()
384             data[i * 2] = FX_SinIdx((65536 / FFT_N) * i);  in FFTTest()
398             for (i = 0; i < FFT_N; i++)  in FFTTest()
421     for (i = 0; i < FFT_N; i++)  in PrintRealArray()
437     for (i = 1; i < FFT_N / 2; i++)  in PrintHalfComplexArray()
453     for (i = 0; i < FFT_N; i++)  in PrintComplexArray()
487     for (i = 0; i < FFT_N * 2; i++)  in PrintError()
500     sum_sqd /= FFT_N * 2;  in PrintError()
521         if (++i >= FFT_N)
523         k = FFT_N / 2;
540     SDK_ASSERT(n == FFT_N);
542     for (i = 0; i < FFT_N; i++)
549     for (i = 0; i < FFT_N; i++)
562     for (k = 1; k < FFT_N; k = k2)
566         d = FFT_N / k2;
569             c = FX_CosIdx(h * (65536 / FFT_N));
570             s = FX_SinIdx(h * (65536 / FFT_N));
571             for (i = j; i < FFT_N; i += k2)
587     for (i = 0; i < FFT_N; i++)
600     SDK_ASSERT(n == FFT_N);
602     for (i = 0; i < FFT_N; i++)
608     for (i = 0; i < FFT_N; i++)
621     for (k = 1; k < FFT_N; k = k2)
625         d = FFT_N / k2;
628             c = FX_CosIdx(h * (65536 / FFT_N));
629             s = FX_SinIdx(h * (65536 / FFT_N));
630             for (i = j; i < FFT_N; i += k2)
644     for (i = 0; i < FFT_N; i++)