Make mooneyrivlindensity.hh beautiful again

dune/elasticity/materials/mooneyrivlindensity.hh

@@ -25,7 +25,9 @@ public:
       mooneyrivlin_a = parameters.get<double>("mooneyrivlin_a");
       mooneyrivlin_b = parameters.get<double>("mooneyrivlin_b");
       mooneyrivlin_c = parameters.get<double>("mooneyrivlin_c");
-    } else if (mooneyrivlin_energy == "log" or mooneyrivlin_energy == "square") {
+    }
+    else if (mooneyrivlin_energy == "log" or mooneyrivlin_energy == "square")
+    {
       mooneyrivlin_10 = parameters.get<double>("mooneyrivlin_10");
       mooneyrivlin_01 = parameters.get<double>("mooneyrivlin_01");
       mooneyrivlin_20 = parameters.get<double>("mooneyrivlin_20");
@@ -36,7 +38,9 @@ public:
       mooneyrivlin_21 = parameters.get<double>("mooneyrivlin_21");
       mooneyrivlin_12 = parameters.get<double>("mooneyrivlin_12");
       mooneyrivlin_k  = parameters.get<double>("mooneyrivlin_k");
-    } else {
+    }
+    else
+    {
       DUNE_THROW(Exception, "Error: Selected mooneyrivlin implementation (" << mooneyrivlin_energy << ") not available!");
     }
   }
@@ -97,7 +101,10 @@ public:
       field_type frobeinusNormFInverseSquared = gradientInverse.frobenius_norm2();
       using std::log;
       return mooneyrivlin_a*frobeniusNormFsquared + mooneyrivlin_b*frobeinusNormFInverseSquared*detF + mooneyrivlin_c*detF*detF - ((dim-1)*mooneyrivlin_a + mooneyrivlin_b + 2*mooneyrivlin_c)*log(detF);
-    } else { // mooneyrivlin_energy is "log" or "square"
+    }
+    else
+    {
+      // mooneyrivlin_energy is "log" or "square"
       field_type a = pow(detF, 2.0/dim);
       field_type invariant1Minus3 = frobeniusNormFsquared/a - 3;
       field_type secondInvariantOfC = 0;
@@ -114,11 +121,15 @@ public:
                      mooneyrivlin_21 * invariant1Minus3 * invariant1Minus3 * invariant2Minus3 +
                      mooneyrivlin_12 * invariant1Minus3 * invariant2Minus3 * invariant2Minus3 +
                      mooneyrivlin_03 * invariant2Minus3 * invariant2Minus3 * invariant2Minus3;
-      if (mooneyrivlin_energy == "log") {
+      if (mooneyrivlin_energy == "log")
+      {
         using std::log;
         field_type logDetF = log(detF);
         return strainEnergy + 0.5 * mooneyrivlin_k* logDetF * logDetF;
-      } else { //mooneyrivlin_energy is "square"
+      }
+      else
+      {
+        //mooneyrivlin_energy is "square"
         field_type detFMinus1 = detF - 1;
         return strainEnergy + mooneyrivlin_k* detFMinus1 * detFMinus1;
       }