20 August    2023   8:10:12.948 AM      
 
triangle_analyze():
  FORTRAN77 version:
  Analyze properties of a triangle whose
  vertex coordinates are read from a file.
 
  Read header of "tex7.txt".
 
  Spatial dimension DIM_NUM =        2
  Number of points NODE_NUM =        3
 
  Read the data in "tex7.txt".
 
  Node coordinates:
 
       Row       1             2      
       Col
         1:   1.00000       0.00000    
         2:   2.00000       1.00000    
         3:   1.00000       0.00000    
 
  ANGLES (radians):
 
         1:    3.1415927    
         2:    0.0000000    
         3:    3.1415927    
 
  ANGLES (degrees):
 
         1:    180.00000    
         2:    0.0000000    
         3:    180.00000    
 
  AREA:     0.00000    
 
  CENTROID:     1.33333      0.333333    
 
  CIRCUM_RADIUS:    -1.00000    
  CIRCUM_CENTER:    0.00000       0.00000    
 
  EDGE_LENGTHS:
 
         1:    1.4142136    
         2:    1.4142136    
         3:    0.0000000    
 
  IN_RADIUS:     0.00000    
  IN_CENTER:    1.00000       0.00000    
 
  ORIENTATION: Degenerate, at least two points identical.
 
  ORTHO_CENTER:  Could not be computed.
 
  QUALITY:     0.00000    
 
triangle_analyze():
  Normal end of execution.
 
20 August    2023   8:10:12.948 AM