Function demo_syncFullStateDiagMatr

examples/isolated/initialising_matrices.cpp:403–415

void demo_syncFullStateDiagMatr() {

    // force use of available hardware acceleration
    QuESTEnv env = getQuESTEnv();
    FullStateDiagMatr a = createCustomFullStateDiagMatr(5, env.isDistributed, env.isGpuAccelerated, env.isMultithreaded);

    // every node modifies its first local element
    a.cpuElems[0] = -10_i * (1+getQuESTEnv().rank);

    syncFullStateDiagMatr(a);
    reportFullStateDiagMatr(a);
    destroyFullStateDiagMatr(a);
}