nconv=computeSpectrum(nev, &valP, &vecP, which, tol);
+#ifdef MEDCoupling_VERSION_VERSION_GREATER_9_4
std::vector< long unsigned int > compoId(1);
+#else
+ std::vector< int > compoId(1);
+#endif
MEDCoupling::DataArrayDouble *arrays=MEDCoupling::DataArrayDouble::New();
MEDCoupling::DataArrayDouble *array =MEDCoupling::DataArrayDouble::New();
arrays->alloc(_numberOfRows,nconv);