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					@ -70,9 +70,7 @@ struct RowwiseTransformIterator<T, platform::CPUPlace> {
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					  RowwiseTransformIterator<T, platform::CPUPlace>& operator++() {
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					    ++i_;
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					    if (i_ == n_) {
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					      i_ = 0;
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					    }
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					    i_ %= n_;
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					    return *this;
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					  }
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					@ -90,7 +88,7 @@ struct RowwiseTransformIterator<T, platform::CPUPlace> {
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					  const T* ptr_;
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					  int i_;
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					  int n_;
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					  int64_t n_;
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					};
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					template <typename T>
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					@ -99,14 +97,7 @@ struct MidWiseTransformIterator<T, platform::CPUPlace> {
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					      : ptr_(ptr), i_(0), j_(0), n_(n), post_(post) {}
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					  MidWiseTransformIterator<T, platform::CPUPlace>& operator++() {
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					    ++j_;
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					    if (j_ == post_) {
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					      j_ = 0;
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					      ++i_;
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					      if (i_ == n_) {
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					        i_ = 0;
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					      }
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					    }
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					    i_ = ++j_ / post_ % n_;
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					    return *this;
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					  }
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					@ -124,8 +115,8 @@ struct MidWiseTransformIterator<T, platform::CPUPlace> {
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					  const T* ptr_;
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					  int i_;
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					  int j_;
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					  int n_;
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					  int64_t j_;
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					  int64_t n_;
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					  int post_;
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					};
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