1.232 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.108 * * * [progress]: [2/2] Setting up program.
0.113 * [progress]: [Phase 2 of 3] Improving.
0.115 * [simplify]: Simplifying:
  (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))