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  1. #include "ref.h"
  2.  
  3. arm_status ref_sqrt_q31(q31_t in, q31_t * pOut)
  4. {
  5.         *pOut = (q31_t)(sqrtf((float32_t)in / 2147483648.0f) * 2147483648.0f);
  6.        
  7.         return ARM_MATH_SUCCESS;
  8. }
  9.  
  10. arm_status ref_sqrt_q15(q15_t in, q15_t * pOut)
  11. {
  12.         *pOut = (q15_t)(sqrtf((float32_t)in / 32768.0f) * 32768.0f);
  13.        
  14.         return ARM_MATH_SUCCESS;
  15. }
  16.