0.314 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.153 * * * [progress]: [2/2] Setting up program.
0.155 * [progress]: [Phase 2 of 3] Improving.
0.156 * [simplify]: Simplifying:
  (+ (* (/ (cos th) (sqrt 2.0)) (* a1 a1)) (* (/ (cos th) (sqrt 2.0)) (* a2 a2)))
0.156 * [simplify]: Sending expressions to egg_math:
 (+ (* (/ (cos h1) (sqrt 2.0)) (* h2 h2)) (* (/ (cos h1) (sqrt 2.0)) (* h0 h0)))