32 #include "NE10_types.h"
34 #ifndef NE10_FFT_COMMON_VARIBLES_H
35 #define NE10_FFT_COMMON_VARIBLES_H
42 static const ne10_float32_t TW_81_F32 = 0.70710678;
43 static const ne10_float32_t TW_81N_F32 = -0.70710678;
69 static const ne10_float32_t TW_3I_F32 = 0.866025403784439;
70 static const ne10_float32_t TW_3IN_F32 = - 0.866025403784439;
71 static const ne10_int32_t TW_3I_S32 = 1859775393;
72 static const ne10_int32_t TW_3IN_S32 = -1859775393;
structure for the 32 bits fixed point FFT function.