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Initialize non-trivially constructible types when allocating a temp buffer.

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This commit is contained in:
Eugene Zhulenev 2019-12-12 01:31:30 +00:00
parent 64272c7f40
commit 381f8f3139
1 changed files with 6 additions and 0 deletions
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6
unsupported/Eigen/CXX11/src/Tensor/TensorForcedEval.h
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@ -126,6 +126,12 @@ struct TensorEvaluator<const TensorForcedEvalOp<ArgType_>, Device>
EIGEN_STRONG_INLINE bool evalSubExprsIfNeeded(EvaluatorPointerType) {
const Index numValues = internal::array_prod(m_impl.dimensions());
m_buffer = m_device.get((CoeffReturnType*)m_device.allocate_temp(numValues * sizeof(CoeffReturnType)));
// Initialize non-trivially constructible types.
if (!internal::is_arithmetic<CoeffReturnType>::value) {
for (Index i = 0; i < numValues; ++i) new (m_buffer + i) CoeffReturnType();
}
typedef TensorEvalToOp< const typename internal::remove_const<ArgType>::type > EvalTo;
EvalTo evalToTmp(m_device.get(m_buffer), m_op);