13 November 2006 05:37:15 PM

FEM_SAMPLE_PRB
  Test the C++ FEM_SAMPLE library.

FEM_SAMPLE_TEST01:
  Evaluate a finite element function on a uniform grid.

  This function expects to find three files to read:

  * node_file,      containing the node coordinates,
  * triangle_file,  containing nodes that form triangles
  * coef_file,      containing nodal coefficient values.

  It reads the files, constructs a grid of evenly spaced
  sample points, and the evaluates the finite element
  at the sample points.

  The node file is "nodes.txt".
  The triangle file is "triangles.txt".
  The coefficient file is "coefs.txt".
  The number of nodes is 25
  The triangle order is 3
  The number of triangles is 32
  The coefficient data has been read.
         0        -1         2        -1
         1         9         1         3
         2        -1         4         2
         3        11         3         5
         4        -1         6         4
         5        13         5         7
         6        -1         8         6
         7        15         7        -1
         8         2        10        -1
         9        17         9        11
        10         4        12        10
        11        19        11        13
        12         6        14        12
        13        21        13        15
        14         8        16        14
        15        23        15        -1
        16        10        18        -1
        17        25        17        19
        18        12        20        18
        19        27        19        21
        20        14        22        20
        21        29        21        23
        22        16        24        22
        23        31        23        -1
        24        18        26        -1
        25        -1        25        27
        26        20        28        26
        27        -1        27        29
        28        22        30        28
        29        -1        29        31
        30        24        32        30
        31        -1        31        -1
  The triangle neighbor array has been computed.

  Requested   node density = 4
  Suggested X node density = 4
  Suggested Y node density = 4

  X sample coordinates:

           0     1.33333     2.66667           4

  Y sample coordinates:

           0     1.33333     2.66667           4

  U evaluated at sample points:

          16          18     23.3333          32
     7.33333     9.33333     14.6667     23.3333
           2           4     9.33333          18
           0           2     7.33333          16

FEM_SAMPLE_PRB
  Normal end of execution.

13 November 2006 05:37:15 PM