text: #ifndef __DEFINES_H__
  #define __DEFINES_H__
  
  #define CHECK
  
  #define FFT_SIZE 1024
  #define FFT_HALF FFT_SIZE/2
  #define twoPI 6.28318530717959
  
  // Error Percentage
  #define EPSILON ((double)1.0e-6)
  
  #endif
  