ASMsxDmx::swapProjectionBasis: move to ASMstruct

now there are no differences between the classes so let's unify.
also a step in making functionality available for non-mixed ASMs,
although there is more work before that is supported.

src/ASM/ASMs2Dmx.C

@@ -1126,13 +1126,6 @@ void ASMs2Dmx::getBoundaryNodes (int lIndex, IntVec& nodes, int basis,
 }
 
 
-void ASMs2Dmx::swapProjectionBasis ()
-{
-  if (projB2)
-    std::swap(projB, projB2);
-}
-
-
 int ASMs2Dmx::getFirstItgElmNode () const
 {
   return std::accumulate(elem_size.begin(), elem_size.begin() + itgBasis-1, 0);

src/ASM/ASMs2Dmx.h

@@ -182,9 +182,6 @@ public:
   virtual bool evalSolution(Matrix& sField, const IntegrandBase& integrand,
                             const RealArray* gpar, bool regular) const;
 
-  //! \brief Swap between main and alternative projection basis.
-  virtual void swapProjectionBasis();
-
   //! \brief Checks if a separate projection basis is used for this patch.
   virtual bool separateProjectionBasis() const;
 

src/ASM/ASMs3Dmx.C

@@ -1242,13 +1242,6 @@ void ASMs3Dmx::getBoundaryNodes (int lIndex, IntVec& nodes, int basis,
 }
 
 
-void ASMs3Dmx::swapProjectionBasis ()
-{
-  if (projB2)
-    std::swap(projB, projB2);
-}
-
-
 int ASMs3Dmx::getFirstItgElmNode () const
 {
   return std::accumulate(elem_size.begin(), elem_size.begin() + itgBasis-1, 0);

src/ASM/ASMs3Dmx.h

@@ -180,9 +180,6 @@ public:
   virtual bool evalSolution(Matrix& sField, const IntegrandBase& integrand,
                             const RealArray* gpar, bool regular) const;
 
-  //! \brief Swap between main and alternative projection basis.
-  virtual void swapProjectionBasis();
-
   //! \brief Checks if a separate projection basis is used for this patch.
   virtual bool separateProjectionBasis() const;
 

src/ASM/ASMstruct.C

@@ -178,3 +178,10 @@ bool ASMstruct::diracPoint (Integrand& integr, GlobalIntegral& glInt,
 
   return ok;
 }
+
+
+void ASMstruct::swapProjectionBasis ()
+{
+  if (projB2)
+    std::swap(projB, projB2);
+}

src/ASM/ASMstruct.h

@@ -81,6 +81,9 @@ public:
   //! \brief Checks if a separate projection basis is used for this patch.
   virtual bool separateProjectionBasis() const;
 
+  //! \brief Swaps between the first and second projection basis.
+  virtual void swapProjectionBasis();
+
 protected:
   //! \brief Adds extraordinary nodes associated with a patch boundary.
   //! \param[in] dim Dimension of the boundary