20 August    2023   8:10:12.951 AM      
 
triangle_analyze():
  FORTRAN77 version:
  Analyze properties of a triangle whose
  vertex coordinates are read from a file.
 
  Read header of "triangle_equilateral.txt".
 
  Spatial dimension DIM_NUM =        2
  Number of points NODE_NUM =        3
 
  Read the data in "triangle_equilateral.txt".
 
  Node coordinates:
 
       Row       1             2      
       Col
         1: -0.500000       0.00000    
         2:  0.500000       0.00000    
         3:   0.00000      0.866025    
 
  ANGLES (radians):
 
         1:    1.0471976    
         2:    1.0471976    
         3:    1.0471976    
 
  ANGLES (degrees):
 
         1:    60.000000    
         2:    60.000000    
         3:    60.000000    
 
  AREA:    0.433013    
 
  CENTROID:     0.00000      0.288675    
 
  CIRCUM_RADIUS:    0.577350    
  CIRCUM_CENTER:    0.00000      0.288675    
 
  EDGE_LENGTHS:
 
         1:    1.0000000    
         2:    1.0000000    
         3:    1.0000000    
 
  IN_RADIUS:    0.288675    
  IN_CENTER:    0.00000      0.288675    
 
  ORIENTATION: CounterClockwise.
 
  ORTHO_CENTER:     0.00000      0.288675    
 
  QUALITY:     1.00000    
 
triangle_analyze():
  Normal end of execution.
 
20 August    2023   8:10:12.951 AM