Sun Feb 23 17:53:19 2020 

cubicspline_test
  R version 3.4.4 (2018-03-15) 
  cubicspline computes a cubic spline to data.


  x coordinates:

[1] -2 -1  0  1

  y coordinates:

[1] -1 -2 -1  2

  a vector:

[1] -1 -2 -1

  b vector:

[1] -1.4 -0.2  2.2

  c vector:

[1] 0.0 1.2 1.2

  d vector:

[1]  0.4  0.0 -0.4

cubicspline_test
  Normal end of execution.
Sun Feb 23 17:53:19 2020