move value of shape function at qp of faces to polynomialBasis

Numeric/Gauss.cpp

 #include "Gauss.h"
+#include "GmshDefines.h"
 #include "Bindings.h"
 static void pts2fullMatrix(int npts, IntPt *pts, fullMatrix<double> &pMatrix, fullMatrix<double> &wMatrix) {
   pMatrix.resize(npts,3);
@@ -52,3 +53,14 @@ void gaussIntegration::getHexahedron(int order, fullMatrix<double> &pts, fullMat
 void gaussIntegration::getPrism(int order, fullMatrix<double> &pts, fullMatrix<double> &weights) {
   pts2fullMatrix(getNGQPriPts(order),getGQPriPts(order),pts,weights);
 }
+void gaussIntegration::get(int elementType, int order, fullMatrix<double> &pts, fullMatrix<double> &weights) {
+  switch (elementType) {
+    case TYPE_TRI : pts2fullMatrix(getNGQTPts(order), getGQTPts(order), pts, weights); break;
+    case TYPE_LIN : pts2fullMatrix(getNGQLPts(order), getGQLPts(order), pts, weights); break;
+    case TYPE_QUA : pts2fullMatrix(getNGQQPts(order), getGQQPts(order), pts, weights); break;
+    case TYPE_TET : pts2fullMatrix(getNGQTetPts(order), getGQTetPts(order), pts, weights); break;
+    case TYPE_HEX : pts2fullMatrix(getNGQHPts(order), getGQHPts(order), pts, weights); break;
+    case TYPE_PRI : pts2fullMatrix(getNGQPriPts(order), getGQPriPts(order), pts, weights); break;
+    default : Msg::Error("No integration rules defined for type %i", elementType);
+  }
+}

Numeric/Gauss.h

@@ -41,6 +41,7 @@ IntPt *getGQHPts(int order);
 //interface
 class gaussIntegration {
   public:
+  static void get(int elementType, int order, fullMatrix<double> &pts, fullMatrix<double> &weights);
   static void getTriangle(int order, fullMatrix<double> &pts, fullMatrix<double> &weights);
   static void getLine(int order, fullMatrix<double> &pts, fullMatrix<double> &weights);
   static void getQuad(int order, fullMatrix<double> &pts, fullMatrix<double> &weights);

Numeric/polynomialBasis.h

@@ -71,10 +71,15 @@ class binding;
 // should be extended to other elements like hexes
 class polynomialBasis
 {
+  mutable std::map<int,std::vector<fullMatrix<double> > > _dfAtFace; //integrationOrder, closureId => df/dXi
  public:
   //for now the only implemented polynomial basis are nodal poly basis, we use the type of the corresponding gmsh element as type
+  int type, parentType;
+  class closure : public std::vector<int> {
+    public: 
     int type;
-  typedef std::vector<std::vector<int> > clCont;
+  };
+  typedef std::vector<closure> clCont;
   clCont closures;
   fullMatrix<double> points;
   fullMatrix<double> monomials;
@@ -262,6 +267,7 @@ class polynomialBasis
       break;
     }
   }
+  const fullMatrix<double> &getGradientAtFaceIntegrationPoints(int integrationOrder, int closureId) const;
   static void registerBindings(binding *b);
 };