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optional_data Class — pytorch Architecture

Architecture documentation for the optional_data class in LossNLL.cpp from the pytorch codebase.

Class cpp

Entity Profile

Source Code

aten/src/ATen/native/LossNLL.cpp lines 152–159

template <typename scalar_t>
inline scalar_t* optional_data(const Tensor& source) {
  if constexpr (std::is_const_v<scalar_t>) {
    return source.defined() ? source.const_data_ptr<scalar_t>() : nullptr;
  } else {
    return source.defined() ? source.data_ptr<scalar_t>() : nullptr;
  }
}

Source

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