]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Doc update.
authorwolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Mon, 22 Feb 1999 14:52:08 +0000 (14:52 +0000)
committerwolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Mon, 22 Feb 1999 14:52:08 +0000 (14:52 +0000)
git-svn-id: https://svn.dealii.org/trunk@875 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/base/include/base/quadrature.h
deal.II/base/include/base/quadrature_lib.h

index f42c50f56e7eaff2befc3a790474da1e5fc4c1ff..5d5e9699501aca3d766d0eba719958aa635751ab 100644 (file)
@@ -140,6 +140,12 @@ class Quadrature {
  *  functions). However, since they have no local data, all functions are
  *  declared #static# and can be called without creating an object of this
  *  class.
+ *
+ *  For the 3d case, you should note that the orientation of faces is even
+ *  more intricate than for two dimensions. Quadrature formulae are projected
+ *  upon the faces in their standard orientation, not to the inside or outside
+ *  of the hexahedron! Refer to the documentation of the #Triangulation# class
+ *  for a description of the orientation of the different faces.
  */
 template <int dim>
 class QProjector {
index 6ecfe60de2598dcce5d346b390687acec66af6fb..1fbe65054b0b931865ae54d5ba36a32ce308b355 100644 (file)
@@ -146,11 +146,17 @@ class QTrapez : public Quadrature<dim> {
     QTrapez ();
 };
 
+
 /**
  * Iterated trapezoidal rule.  The original reason for implementing
  * this was gnuplot output for patches.  Before this comment is
  * removed, please do not rely on the correctness of the quadrature
  * weights.
+ *
+ * For internal use, it may be worth to know that the points are
+ * ordered in a fashion such that the last coordinate is the one which
+ * runs fastest, and when overflowing moving ahead the second last
+ * coordinate, and so on.
  */
 template <int dim>
 class QIteratedTrapez :

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