INNER CODE UNIT · C

bound

pq-crystals/dilithium · avx2/poly.c:315

  const __m256i bound = _mm256_set1_epi32(B-1);
  DBENCH_START();

  if(B > (Q-1)/8)
    return 1;

  t = _mm256_setzero_si256();
  for(i = 0; i < N/8; i++) {
    f = _mm256_load_si256(&a->vec[i]);
    f = _mm256_abs_epi32(f);
    f = _mm256_cmpgt_epi32(f,bound);
    t = _mm256_or_si256(t,f);
  }

  r = 1 - _mm256_testz_si256(t,t);
  DBENCH_STOP(*tsample);
  return r;
}

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