Function localiser_statevec_calcTotalProb

quest/src/core/localiser.cpp:1847–1859

qreal localiser_statevec_calcTotalProb(Qureg qureg) {
    
    // not restricted to statevecs; density matrices use
    // a different routine for calcTotalProb, but they use
    // this routine for calcHilbertSchmidtDistance

    qreal prob = accel_statevec_calcTotalProb_sub(qureg);

    if (qureg.isDistributed)
        comm_reduceReal(&prob);

    return prob;
}


qreal localiser_densmatr_calcTotalProb(Qureg qureg) {