Hermitizes the input tensor by copying the elements from the upper triangular part complex-conjugated to the lower triangular part.
The matrix must be square.
References syten::STensorImpl::STensor::autodiff_enabled(), syten::STensorImpl::STensor::bi(), syten::conj(), conj(), if_constexpr, real(), SYTEN_ASSERT, SYTEN_ASSERT_MSG, SYTEN_TENSOR_RANK, and syten::STensorImpl::STensor::visnz().
Referenced by syten::STensorImpl::Autodiff::qr_adjoint_evaluator().