Tue May 11 19:26:41 2021 

abc_test():
  R version 3.4.4 (2018-03-15) 
  Test abc(), with the interface:
    [a_out,b_out,c_out] = abc(a_in,b_in,c_in)

    1 , 2 , 3  = abc ( )
    abc ( 1 , 19 , 3 )
    1 , 19 , 3  = abc ( )
    50 , 60 , 70  = abc ( 50 , 60 , 70 )
    50 , 60 , 70  = abc ( )

abc_test():
  Normal end of execution.
Tue May 11 19:26:41 2021