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Evaleev/fixup/tensor empty #377

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Nov 14, 2022
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Evaleev/fixup/tensor empty #377

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8f507d8
shared_ptr::operator bool() does not mean uninitialized, Tensor::empt…
evaleev Nov 14, 2022
9c1b4f6
fixup empty(tensors...) to work correctly
evaleev Nov 14, 2022
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2 changes: 1 addition & 1 deletion src/TiledArray/tensor/tensor.h
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Expand Up @@ -636,7 +636,7 @@ class Tensor {

/// \return \c true if this tensor was default constructed (contains no
/// data), otherwise \c false.
bool empty() const { return !this->data_; }
bool empty() const { return this->data_.use_count() == 0; }

/// MADNESS serialization function

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4 changes: 2 additions & 2 deletions src/TiledArray/tensor/utility.h
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Expand Up @@ -316,8 +316,8 @@ inline typename T::size_type inner_size(const T& tensor) {
/// This function is used as the termination step for the recursive empty()
/// function. It also handles the case where there are no tensors in the
/// list.
/// \return \c true
inline constexpr bool empty() { return true; }
/// \return \c false
inline constexpr bool empty() { return false; }

/// Test for empty tensors

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