0.476 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.150 * * * [progress]: [2/2] Setting up program.
0.155 * [progress]: [Phase 2 of 3] Improving.
0.157 * [simplify]: Simplifying:
  (sin (pow (sqrt (atan2 b b)) (- b a)))