Function setInitialHeapFlags

quest/src/api/matrices.cpp:189–204

// type T can be CompMatr, DiagMatr or FullStateDiagMatr
template <class T>
void setInitialHeapFlags(T matr) {

    // set initial propreties of the newly created matrix to unknown
    util_setFlagToUnknown(matr.isApproxUnitary);
    util_setFlagToUnknown(matr.isApproxHermitian);

    // only diagonal matrices (which can be exponentiated)
    // have these additional fields
    if constexpr (!util_isDenseMatrixType<T>()) {
        util_setFlagToUnknown(matr.isApproxNonZero);
        util_setFlagToUnknown(matr.isStrictlyNonNegative);
    }

    // indicate that GPU memory has not yet been synchronised
    *(matr.wasGpuSynced) = 0;
}