Merge branch 'feature/shut-up-compiler-warnings' into 'master'

Get rid of unused variable compiler warnings.

See merge request !201

dune/localfunctions/lagrange/lagrangesimplex.hh

@@ -400,7 +400,7 @@ namespace Dune { namespace Impl
         // Helper method: Return the derivative of a single Lagrangian factor of l_ij evaluated at x
         // direction: Derive in x-direction if this is 0, otherwise derive in y direction
         auto lagrangianFactorDerivative = [&lagrangeNode]
-                                          (const int direction, const int no, const int i, const int j, const typename Traits::DomainType& x)
+                                          (const int direction, const int no, const int i, const int j, const typename Traits::DomainType&)
                                           -> typename Traits::RangeType
           {
             using T = typename Traits::RangeType;

dune/localfunctions/lagrange/p0/p0localbasis.hh

@@ -38,7 +38,7 @@ namespace Dune
     }
 
     //! \brief Evaluate all shape functions
-    inline void evaluateFunction (const typename Traits::DomainType& in,
+    inline void evaluateFunction (const typename Traits::DomainType&,
                                   std::vector<typename Traits::RangeType>& out) const
     {
       out.resize(1);
@@ -47,7 +47,7 @@ namespace Dune
 
     //! \brief Evaluate Jacobian of all shape functions
     inline void
-    evaluateJacobian (const typename Traits::DomainType& in,         // position
+    evaluateJacobian (const typename Traits::DomainType&,         // position
                       std::vector<typename Traits::JacobianType>& out) const      // return value
     {
       out.resize(1);

dune/localfunctions/lagrange/p0/p0localcoefficients.hh

@@ -32,7 +32,7 @@ namespace Dune
     }
 
     //! get i'th index
-    const LocalKey& localKey (std::size_t i) const
+    const LocalKey& localKey ([[maybe_unused]] std::size_t i) const
     {
       return index;
     }

dune/localfunctions/lagrange/pqkfactory.hh

@@ -32,7 +32,7 @@ namespace Dune
     typedef typename P0LocalFiniteElement<D,R,d>::Traits::LocalBasisType::Traits T;
 
     //! create finite element for given GeometryType
-    static LocalFiniteElementVirtualInterface<T>* create(const GeometryType& gt)
+    static LocalFiniteElementVirtualInterface<T>* create(const GeometryType&)
     {
       return nullptr;
     }