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  1. #include "ref.h"
  2.  
  3. q31_t ref_sin_q31(q31_t x)
  4. {
  5.         return (q31_t)(sinf((float32_t)x * 6.28318530717959f / 2147483648.0f) * 2147483648.0f);
  6. }
  7.  
  8. q15_t ref_sin_q15(q15_t x)
  9. {
  10.         return (q15_t)(sinf((float32_t)x * 6.28318530717959f / 32768.0f) * 32768.0f);
  11. }
  12.