29 static void PrintFX32(fx32 f);
30 static void PrintRealArray(fx32 *data);
31 static void PrintHalfComplexArray(fx32 *data);
32 static void PrintComplexArray(fx32 *data);
33 static BOOL PrintError(fx32 *orig, fx32 *data);
36 static void FFT(fx32 *data, int nShift);
37 static void IFFT(fx32 *data, int nShift);
51 static fx32 gFFTCos[FFT_N], gFFTSin[FFT_N];
191     static fx32 data[FFT_N * 2];  in FFTTest()
192     static fx32 orig[FFT_N * 2];  in FFTTest()
312                     (fx32)(MATH_Rand32(&rand, FFT_VALUE_RANGE) - (FFT_VALUE_RANGE / 2));  in FFTTest()
314                     (fx32)(MATH_Rand32(&rand, FFT_VALUE_RANGE) - (FFT_VALUE_RANGE / 2));  in FFTTest()
357                     (fx32)(MATH_Rand32(&rand, FFT_VALUE_RANGE) - (FFT_VALUE_RANGE / 2));  in FFTTest()
401                     (fx32)(MATH_Rand32(&rand, FFT_VALUE_RANGE) - (FFT_VALUE_RANGE / 2));  in FFTTest()
403                     (fx32)(MATH_Rand32(&rand, FFT_VALUE_RANGE) - (FFT_VALUE_RANGE / 2));  in FFTTest()
418 static void PrintRealArray(fx32 *data)  in PrintRealArray()
429 static void PrintHalfComplexArray(fx32 *data)  in PrintHalfComplexArray()
450 static void PrintComplexArray(fx32 *data)  in PrintComplexArray()
463 static void PrintFX32(fx32 f)  in PrintFX32()
479 static BOOL PrintError(fx32 *orig, fx32 *data)  in PrintError()
482     fx32    max_error;  in PrintError()
489         fx32    d = MATH_ABS(data[i] - orig[i]);  in PrintError()
533 static void FFT(fx32 *data, int nShift)
536     fx32    t, s, c, dx, dy;
594 static void IFFT(fx32 *data, int nShift)
597     fx32    t, s, c, dx, dy;