20 August    2023   8:10:12.954 AM      
 
triangle_analyze():
  FORTRAN77 version:
  Analyze properties of a triangle whose
  vertex coordinates are read from a file.
 
  Read header of "triangle_ref.txt".
 
  Spatial dimension DIM_NUM =        2
  Number of points NODE_NUM =        3
 
  Read the data in "triangle_ref.txt".
 
  Node coordinates:
 
       Row       1             2      
       Col
         1:   0.00000       0.00000    
         2:   1.00000       0.00000    
         3:   0.00000       1.00000    
 
  ANGLES (radians):
 
         1:    1.5707963    
         2:   0.78539816    
         3:   0.78539816    
 
  ANGLES (degrees):
 
         1:    90.000000    
         2:    45.000000    
         3:    45.000000    
 
  AREA:    0.500000    
 
  CENTROID:    0.333333      0.333333    
 
  CIRCUM_RADIUS:    0.707107    
  CIRCUM_CENTER:   0.500000      0.500000    
 
  EDGE_LENGTHS:
 
         1:    1.0000000    
         2:    1.4142136    
         3:    1.0000000    
 
  IN_RADIUS:    0.292893    
  IN_CENTER:   0.292893      0.292893    
 
  ORIENTATION: CounterClockwise.
 
  ORTHO_CENTER:     0.00000       0.00000    
 
  QUALITY:    0.828427    
 
triangle_analyze():
  Normal end of execution.
 
20 August    2023   8:10:12.954 AM