benchmarks/vec-fft/fft_const.h

   1 // See LICENSE for license details.
   2
   3 #ifndef __FFT_CONST_H
   4 #define __FFT_CONST_H
   5
   6 #ifndef FFT_SIZE
   7 #define FFT_SIZE 1024
   8 #endif /* FFT_SIZE */
   9
  10 #if 0
  11   #define FFT_FIXED
  12   #define DATA_IN_PERMUTED
  13 #else
  14 //  #define DATA_IN_UNPERMUTED
  15   #define FFT_FLOATING
  16   #define FFT_FLOATING_PREC 64
  17 #endif
  18
  19 #if defined(FFT_FIXED)
  20   #define FIX_PT 20
  21   #define DATA_WIDTH 32
  22 #elif defined(FFT_FLOATING)
  23   #if FFT_FLOATING_PREC == 16
  24     #define FP_HALF
  25   #elif FFT_FLOATING_PREC == 32
  26     #define FP_SINGLE
  27   #elif FFT_FLOATING_PREC == 64
  28     #define FP_DOUBLE
  29   #else
  30     #error "Unsupported floating-point configuration"
  31   #endif
  32   #define DATA_WIDTH FFT_FLOATING_PREC
  33 #else
  34   #error "Define fixed or floating point in fft_const.h"
  35 #endif
  36
  37 #if !defined(__ASSEMBLY__)
  38
  39 #include <stdint.h>
  40 #include <inttypes.h>
  41
  42 #if defined(FFT_FIXED)
  43   typedef int fftval_t;
  44   typedef int fftbit_t;
  45   #define FFT_PRI "%08x"
  46 #elif defined(FFT_FLOATING)
  47   #if defined(FP_HALF)
  48     typedef uint16_t fftval_t;
  49     typedef uint16_t fftbit_t;
  50     #define FFT_PRI "%04" PRIx16
  51   #elif defined(FP_SINGLE)
  52     typedef float fftval_t;
  53     typedef uint32_t fftbit_t;
  54     #define FFT_PRI "%08" PRIx32
  55   #elif defined(FP_DOUBLE)
  56     typedef double fftval_t;
  57     typedef uint64_t fftbit_t;
  58     #define FFT_PRI "%016" PRIx64
  59   #endif
  60 #endif
  61
  62 extern fftval_t input_data_real[FFT_SIZE];
  63 extern fftval_t input_data_imag[FFT_SIZE];
  64 extern fftval_t output_data_real[FFT_SIZE];
  65 extern fftval_t output_data_imag[FFT_SIZE];
  66 extern fftval_t tf_real[FFT_SIZE];
  67 extern fftval_t tf_imag[FFT_SIZE];
  68
  69 #endif /* __ASSEMBLY__ */
  70
  71 #endif /* __FFT_CONST_H */