multi_transpose() [1/2]

STensor syten::STensorImpl::multi_transpose	(	STensor	in,
		ConstSpan< Index >	perm
	)

Creates a copy of the input tensor and transposes it according to the permutation perm.

This does not change the fermionic ordering of the tensor but only adapts the computational layout.

Remarks

This is an AD-no-op and hence autodifferentiable.

References syten::STensorImpl::STensor::b(), syten::STensorImpl::STensor::get_fermionic_order(), std::move(), syten::YesNo< struct _prod_conj >::n(), syten::pi, syten::STensorImpl::STensor::set_bases(), syten::STensorImpl::STensor::set_fermionic_order(), syten::SpanImpl::ConstSpan< T >::size(), SYTEN_ASSERT_MSG, SYTEN_TENSOR_RANK, and syten::STensorImpl::STensor::visnz().

Referenced by dense(), eigen_sym(), expand(), hadamard(), multi_transpose(), and operator+=().

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