Thu Sep  8 15:43:08 2022

grf_io_test():
  Python version: 3.6.9
  Test grf_io().

grf_io_write_test():
  grf_header_write() writes the header of a GRF file.
  grf_write() writes the data of a GRF file.

  The number of nodes NODE_NUM =  28
  The number of edges EDGE_NUM =  84

  Write the GRF file "coxeter.grf"

grf_io_read_test():
  grf_header_read() reads the header of a GRF file.
  grf_data_read() reads the data of a GRF file.

  Read the GRF file "coxeter.grf"

  The number of nodes NODE_NUM =  28
  The number of edges EDGE_NUM =  84

  Edge pointers:

  Node     First      Last

     0         0         2
     1         3         5
     2         6         8
     3         9        11
     4        12        14
     5        15        17
     6        18        20
     7        21        23
     8        24        26
     9        27        29
    10        30        32
    11        33        35
    12        36        38
    13        39        41
    14        42        44
    15        45        47
    16        48        50
    17        51        53
    18        54        56
    19        57        59
    20        60        62
    21        63        65
    22        66        68
    23        69        71
    24        72        74
    25        75        77
    26        78        80
    27        81        83

  Edge data:

  Node     Adjacent nodes

     0         7         1         2
     1        13         0         4
     2         8         3         0
     3         9         6         2
     4        12         1         5
     5        11         4         6
     6        10         5         3
     7        24        19         0
     8        23        20         2
     9        22        14         3
    10        21        15         6
    11        27        16         5
    12        26        17         4
    13        25        18         1
    14         9        17        18
    15        10        18        19
    16        11        20        19
    17        12        14        20
    18        13        15        14
    19         7        16        15
    20         8        17        16
    21        10        26        23
    22         9        27        24
    23         8        25        21
    24         7        22        26
    25        13        23        27
    26        12        24        21
    27        11        25        22

  Node        X          Y

    0    0.412000    0.984000
    1    0.494000    0.984000
    2    0.366000    0.926000
    3    0.388000    0.862000
    4    0.546000    0.926000
    5    0.518000    0.860000
    6    0.458000    0.818000
    7    0.152000    0.684000
    8    0.264000    0.682000
    9    0.354000    0.680000
   10    0.458000    0.670000
   11    0.554000    0.672000
   12    0.658000    0.668000
   13    0.774000    0.692000
   14    0.164000    0.450000
   15    0.228000    0.448000
   16    0.274000    0.390000
   17    0.242000    0.330000
   18    0.194000    0.278000
   19    0.146000    0.328000
   20    0.102000    0.390000
   21    0.668000    0.472000
   22    0.638000    0.416000
   23    0.656000    0.334000
   24    0.714000    0.270000
   25    0.798000    0.326000
   26    0.830000    0.408000
   27    0.754000    0.466000

grf_io_test():
  Normal end of execution.
Thu Sep  8 15:43:08 2022