+
+FactorsCHull** calculateAllFactors(struct _SyncState* const syncState);
+void freeAllFactors(const unsigned int traceNb, FactorsCHull** const
+ allFactors);
+
+void calculateFactorsMiddle(FactorsCHull* const factors);
+void destroyFactorsCHull(FactorsCHull* factorsCHull);
+