20 August    2023   8:10:12.943 AM      
 
triangle_analyze():
  FORTRAN77 version:
  Analyze properties of a triangle whose
  vertex coordinates are read from a file.
 
  Read header of "tex4.txt".
 
  Spatial dimension DIM_NUM =        2
  Number of points NODE_NUM =        3
 
  Read the data in "tex4.txt".
 
  Node coordinates:
 
       Row       1             2      
       Col
         1:   4.00000       0.00000    
         2:   3.00000       4.00000    
         3:   0.00000       1.00000    
 
  ANGLES (radians):
 
         1:    1.0808390    
         2:    1.0303768    
         3:    1.0303768    
 
  ANGLES (degrees):
 
         1:    61.927513    
         2:    59.036243    
         3:    59.036243    
 
  AREA:     7.50000    
 
  CENTROID:     2.33333       1.66667    
 
  CIRCUM_RADIUS:     2.40416    
  CIRCUM_CENTER:    2.30000       1.70000    
 
  EDGE_LENGTHS:
 
         1:    4.1231056    
         2:    4.2426407    
         3:    4.1231056    
 
  IN_RADIUS:     1.20107    
  IN_CENTER:    2.34929       1.65071    
 
  ORIENTATION: CounterClockwise.
 
  ORTHO_CENTER:     2.40000       1.60000    
 
  QUALITY:    0.999159    
 
triangle_analyze():
  Normal end of execution.
 
20 August    2023   8:10:12.944 AM