STensor syten::T3N::expectation_rec | ( | State::cPtrc const | aptr, |
Operator::cPtrc const | optr, | ||
State::cPtrc const | bptr | ||
) |
Returns the partial contraction of tensors below (and including) the supplied pointers.
The first pointer is not complex conjugated, the second pointer is complex conjugated.
References syten::MPS::conj(), syten::STensorImpl::STensor::e(), expectation_rec(), syten::STensorImpl::gen_merge(), syten::STensorImpl::project(), syten::rank(), SYTEN_ASSERT_DEBUG, and SYTEN_ASSERT_MSG.
Referenced by expectation(), and expectation_rec().