0.947 * [progress]: [Phase 1 of 3] Setting up.
0.004 * * * [progress]: [1/2] Preparing points
0.372 * * * [progress]: [2/2] Setting up program.
0.619 * [progress]: [Phase 2 of 3] Improving.
0.623 * [simplify]: Simplifying:
  (- (* PI l) (* (/ 1.0 (* F F)) (tan (* PI l))))
0.623 * [simplify]: Sending expressions to egg_math:
 (- (* h1 h0) (* (/ 1.0 (* h2 h2)) (tan (* h1 h0))))