Allow to switch vectorMode for Adol-C on and off

dune/elasticity/materials/adolcmaterial.hh

@@ -51,18 +51,18 @@ private:
 public:
     AdolcMaterial() {};
 
-    AdolcMaterial(const Basis& basis, const LocalEnergy& localEnergy) :
+    AdolcMaterial(const Basis& basis, const LocalEnergy& localEnergy, bool vectorMode=true) :
         Base(basis),
         localEnergy_(&localEnergy),
         localLinearization_(localEnergy),
-        localHessian_(localEnergy)
+        localHessian_(localEnergy,vectorMode)
     {}
 
-    void setup(const Basis& basis, const LocalEnergy& localEnergy)
+    void setup(const Basis& basis, const LocalEnergy& localEnergy, bool vectorMode=true)
     {
         localEnergy_ = &localEnergy;
         localLinearization_ =  AdolcLinearization(localEnergy);
-        localHessian_ = AdolcHessian(localEnergy);
+        localHessian_ = AdolcHessian(localEnergy,vectorMode);
 
         this->basis_ = &basis;
     }