Function getReferenceExpectationValue

tests/utils/measure.cpp:30–34

qcomp getReferenceExpectationValue(qvector state, qmatrix observable) {
    DEMAND( state.size() == observable.size() );

    return getInnerProduct(state, observable * state);
}

qcomp getReferenceExpectationValue(qmatrix state, qmatrix observable) {
    DEMAND( state.size() == observable.size() );