Tue Feb 25 20:21:35 2020 

cbezier_test
  R version 3.4.4 (2018-03-15) 
  cbezier computes a cubic Bezier curve.

  x:

[1] -1  0  1 -2

  y:

[1] -2 -1  2 -1

  t:

[1] 0.0 0.2 0.4 0.6 0.8 1.0

  xbezier

[1] -1.000 -0.432 -0.056 -0.064 -0.648 -2.000

  ybezier

[1] -2.000 -1.224 -0.352  0.232  0.144 -1.000

cbezier_test
  Normal end of execution.
Tue Feb 25 20:21:35 2020