benchmarks/vec-fft/fft_const.h

   1 #ifndef __FFT_CONST_H
   2 #define __FFT_CONST_H
   3
   4 #ifndef FFT_SIZE
   5 #define FFT_SIZE 1024
   6 #endif /* FFT_SIZE */
   7
   8 #if 0
   9   #define FFT_FIXED
  10   #define DATA_IN_PERMUTED
  11 #else
  12 //  #define DATA_IN_UNPERMUTED
  13   #define FFT_FLOATING
  14   #define FFT_FLOATING_PREC 64
  15 #endif
  16
  17 #if defined(FFT_FIXED)
  18   #define FIX_PT 20
  19   #define DATA_WIDTH 32
  20 #elif defined(FFT_FLOATING)
  21   #if FFT_FLOATING_PREC == 16
  22     #define FP_HALF
  23   #elif FFT_FLOATING_PREC == 32
  24     #define FP_SINGLE
  25   #elif FFT_FLOATING_PREC == 64
  26     #define FP_DOUBLE
  27   #else
  28     #error "Unsupported floating-point configuration"
  29   #endif
  30   #define DATA_WIDTH FFT_FLOATING_PREC
  31 #else
  32   #error "Define fixed or floating point in fft_const.h"
  33 #endif
  34
  35 #if !defined(__ASSEMBLY__)
  36
  37 #include <stdint.h>
  38 #include <inttypes.h>
  39
  40 #if defined(FFT_FIXED)
  41   typedef int fftval_t;
  42   typedef int fftbit_t;
  43   #define FFT_PRI "%08x"
  44 #elif defined(FFT_FLOATING)
  45   #if defined(FP_HALF)
  46     typedef uint16_t fftval_t;
  47     typedef uint16_t fftbit_t;
  48     #define FFT_PRI "%04" PRIx16
  49   #elif defined(FP_SINGLE)
  50     typedef float fftval_t;
  51     typedef uint32_t fftbit_t;
  52     #define FFT_PRI "%08" PRIx32
  53   #elif defined(FP_DOUBLE)
  54     typedef double fftval_t;
  55     typedef uint64_t fftbit_t;
  56     #define FFT_PRI "%016" PRIx64
  57   #endif
  58 #endif
  59
  60 extern fftval_t input_data_real[FFT_SIZE];
  61 extern fftval_t input_data_imag[FFT_SIZE];
  62 extern fftval_t output_data_real[FFT_SIZE];
  63 extern fftval_t output_data_imag[FFT_SIZE];
  64 extern fftval_t tf_real[FFT_SIZE];
  65 extern fftval_t tf_imag[FFT_SIZE];
  66
  67 #endif /* __ASSEMBLY__ */
  68
  69 #endif /* __FFT_CONST_H */