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31 lines
914 B
31 lines
914 B
#include <ATen/core/TensorBase.h>
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// Broadcasting utilities for working with TensorBase
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namespace at {
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namespace internal {
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TORCH_API TensorBase expand_slow_path(const TensorBase& self, IntArrayRef size);
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} // namespace internal
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inline c10::MaybeOwned<TensorBase> expand_size(
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const TensorBase& self,
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IntArrayRef size) {
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if (size.equals(self.sizes())) {
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return c10::MaybeOwned<TensorBase>::borrowed(self);
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}
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return c10::MaybeOwned<TensorBase>::owned(
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at::internal::expand_slow_path(self, size));
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}
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c10::MaybeOwned<TensorBase> expand_size(TensorBase&& self, IntArrayRef size) =
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delete;
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inline c10::MaybeOwned<TensorBase> expand_inplace(
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const TensorBase& tensor,
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const TensorBase& to_expand) {
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return expand_size(to_expand, tensor.sizes());
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}
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c10::MaybeOwned<TensorBase> expand_inplace(
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const TensorBase& tensor,
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TensorBase&& to_expand) = delete;
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} // namespace at
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