Merge branch 'fix/mooneyrivlindensity' into 'master'

Fix for compiling mooneyrivlindensity: Do not wrap return statements in if-statements

See merge request !40

dune/elasticity/materials/mooneyrivlindensity.hh

@@ -95,8 +95,7 @@ public:
     {
       using std::log;
       return mooneyrivlin_a*normFSquared + mooneyrivlin_b*normFinvSquared*detF + mooneyrivlin_c*detF*detF - ((dim-1)*mooneyrivlin_a + mooneyrivlin_b + 2*mooneyrivlin_c)*log(detF);
-    }
-    else {
+    } else {
       strainEnergy = mooneyrivlin_10 * trCTildeMinus3 +
                         mooneyrivlin_01 * c2TildeMinus3  +
                         mooneyrivlin_20 * trCTildeMinus3 * trCTildeMinus3 +
@@ -110,7 +109,7 @@ public:
         using std::log;
         field_type logDetF = log(detF);
         return strainEnergy + 0.5 * mooneyrivlin_k* logDetF * logDetF;
-      } else if (mooneyrivlin_energy == "square") {
+      } else { //mooneyrivlin_energy is "square"
         field_type detFMinus1 = detF - 1;
         return strainEnergy + mooneyrivlin_k* detFMinus1 * detFMinus1;
       }