Function reportKrausMap

quest/src/api/channels.cpp:467–489

extern "C" void reportKrausMap(KrausMap map) {
    validate_krausMapFields(map, __func__);
    validate_numReportedNewlinesAboveZero(__func__); // because trailing newline mandatory

    // pedantically demand that the map's SuperOP is GPU-synced,
    // even though only the CPU Kraus operators are printed
    validate_krausMapIsSynced(map, __func__);

    // determine memory costs (gauranteed not to overflow)
    bool isDense = true;
    int numNodes = 1;
    size_t krausMem = mem_getLocalMatrixMemoryRequired(map.numQubits, isDense, numNodes) * map.numMatrices;
    size_t superMem = mem_getLocalSuperOpMemoryRequired(map.superop.numQubits);
    size_t strucMem = sizeof(map);

    // gauranteed not to overflow
    size_t totalMem = krausMem + superMem + strucMem;
    print_header(map, totalMem);
    print_elems(map);

    // exclude mandatory newline above
    print_oneFewerNewlines();
}