4.401 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.018 * * * [progress]: [2/2] Setting up program. 0.019 * [progress]: [Phase 2 of 3] Improving. 0.020 * [simplify]: Simplifying: (- (* a a) (* b b)) 0.020 * [simplify]: Sending expressions to egg_math: (- (* h0 h0) (* h1 h1)) 0.022 * * [simplify]: iteration 0 : 11 enodes (cost 3 ) 0.024 * * [simplify]: iteration 1 : 18 enodes (cost 3 ) 0.025 * * [simplify]: iteration 2 : 35 enodes (cost 3 ) 0.026 * * [simplify]: iteration 3 : 67 enodes (cost 3 ) 0.028 * * [simplify]: iteration 4 : 163 enodes (cost 3 ) 0.031 * * [simplify]: iteration 5 : 294 enodes (cost 3 ) 0.035 * * [simplify]: iteration 6 : 541 enodes (cost 3 ) 0.044 * * [simplify]: iteration 7 : 2138 enodes (cost 3 ) 0.101 * * [simplify]: iteration 8 : 5001 enodes (cost 3 ) 0.102 * * [progress]: iteration 1 / 4 0.102 * * * [progress]: picking best candidate 0.103 * * * * [pick]: Picked # 0.103 * * * [progress]: localizing error 0.107 * * * [progress]: generating rewritten candidates 0.107 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.116 * * * [progress]: generating series expansions 0.116 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.116 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2)) 0.116 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0 0.116 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b 0.116 * [taylor]: Taking taylor expansion of (pow a 2) in b 0.116 * [taylor]: Taking taylor expansion of a in b 0.116 * [backup-simplify]: Simplify a into a 0.116 * [taylor]: Taking taylor expansion of (pow b 2) in b 0.116 * [taylor]: Taking taylor expansion of b in b 0.116 * [backup-simplify]: Simplify 0 into 0 0.116 * [backup-simplify]: Simplify 1 into 1 0.116 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a 0.116 * [taylor]: Taking taylor expansion of (pow a 2) in a 0.116 * [taylor]: Taking taylor expansion of a in a 0.116 * [backup-simplify]: Simplify 0 into 0 0.116 * [backup-simplify]: Simplify 1 into 1 0.116 * [taylor]: Taking taylor expansion of (pow b 2) in a 0.116 * [taylor]: Taking taylor expansion of b in a 0.116 * [backup-simplify]: Simplify b into b 0.116 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a 0.116 * [taylor]: Taking taylor expansion of (pow a 2) in a 0.116 * [taylor]: Taking taylor expansion of a in a 0.116 * [backup-simplify]: Simplify 0 into 0 0.116 * [backup-simplify]: Simplify 1 into 1 0.116 * [taylor]: Taking taylor expansion of (pow b 2) in a 0.116 * [taylor]: Taking taylor expansion of b in a 0.116 * [backup-simplify]: Simplify b into b 0.116 * [backup-simplify]: Simplify (* b b) into (pow b 2) 0.117 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2)) 0.117 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2)) 0.117 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b 0.117 * [taylor]: Taking taylor expansion of (pow b 2) in b 0.117 * [taylor]: Taking taylor expansion of b in b 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify 1 into 1 0.117 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0 0.117 * [backup-simplify]: Simplify (- 0) into 0 0.117 * [backup-simplify]: Simplify (+ 0 0) into 0 0.117 * [taylor]: Taking taylor expansion of 0 in b 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify 0 into 0 0.118 * [backup-simplify]: Simplify (* 1 1) into 1 0.118 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0 0.118 * [backup-simplify]: Simplify (- 0) into 0 0.118 * [backup-simplify]: Simplify (+ 1 0) into 1 0.118 * [taylor]: Taking taylor expansion of 1 in b 0.118 * [backup-simplify]: Simplify 1 into 1 0.118 * [backup-simplify]: Simplify 1 into 1 0.118 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify (* 1 1) into 1 0.119 * [backup-simplify]: Simplify (- 1) into -1 0.119 * [backup-simplify]: Simplify -1 into -1 0.119 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.120 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0 0.120 * [backup-simplify]: Simplify (- 0) into 0 0.120 * [backup-simplify]: Simplify (+ 0 0) into 0 0.120 * [taylor]: Taking taylor expansion of 0 in b 0.120 * [backup-simplify]: Simplify 0 into 0 0.120 * [backup-simplify]: Simplify 0 into 0 0.120 * [backup-simplify]: Simplify 0 into 0 0.120 * [backup-simplify]: Simplify 0 into 0 0.121 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.121 * [backup-simplify]: Simplify (- 0) into 0 0.121 * [backup-simplify]: Simplify 0 into 0 0.121 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.122 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0 0.122 * [backup-simplify]: Simplify (- 0) into 0 0.122 * [backup-simplify]: Simplify (+ 0 0) into 0 0.122 * [taylor]: Taking taylor expansion of 0 in b 0.122 * [backup-simplify]: Simplify 0 into 0 0.122 * [backup-simplify]: Simplify 0 into 0 0.123 * [backup-simplify]: Simplify 0 into 0 0.123 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2)) 0.123 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) 0.123 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0 0.123 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b 0.123 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b 0.123 * [taylor]: Taking taylor expansion of (pow a 2) in b 0.123 * [taylor]: Taking taylor expansion of a in b 0.123 * [backup-simplify]: Simplify a into a 0.123 * [backup-simplify]: Simplify (* a a) into (pow a 2) 0.123 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2)) 0.123 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b 0.123 * [taylor]: Taking taylor expansion of (pow b 2) in b 0.123 * [taylor]: Taking taylor expansion of b in b 0.123 * [backup-simplify]: Simplify 0 into 0 0.123 * [backup-simplify]: Simplify 1 into 1 0.123 * [backup-simplify]: Simplify (* 1 1) into 1 0.124 * [backup-simplify]: Simplify (/ 1 1) into 1 0.124 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a 0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a 0.124 * [taylor]: Taking taylor expansion of (pow a 2) in a 0.124 * [taylor]: Taking taylor expansion of a in a 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [backup-simplify]: Simplify 1 into 1 0.124 * [backup-simplify]: Simplify (* 1 1) into 1 0.124 * [backup-simplify]: Simplify (/ 1 1) into 1 0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a 0.124 * [taylor]: Taking taylor expansion of (pow b 2) in a 0.124 * [taylor]: Taking taylor expansion of b in a 0.124 * [backup-simplify]: Simplify b into b 0.124 * [backup-simplify]: Simplify (* b b) into (pow b 2) 0.124 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2)) 0.124 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a 0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a 0.124 * [taylor]: Taking taylor expansion of (pow a 2) in a 0.124 * [taylor]: Taking taylor expansion of a in a 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [backup-simplify]: Simplify 1 into 1 0.125 * [backup-simplify]: Simplify (* 1 1) into 1 0.125 * [backup-simplify]: Simplify (/ 1 1) into 1 0.125 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a 0.125 * [taylor]: Taking taylor expansion of (pow b 2) in a 0.125 * [taylor]: Taking taylor expansion of b in a 0.125 * [backup-simplify]: Simplify b into b 0.125 * [backup-simplify]: Simplify (* b b) into (pow b 2) 0.125 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2)) 0.125 * [backup-simplify]: Simplify (+ 1 0) into 1 0.125 * [taylor]: Taking taylor expansion of 1 in b 0.125 * [backup-simplify]: Simplify 1 into 1 0.126 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.126 * [backup-simplify]: Simplify (+ 0 0) into 0 0.126 * [taylor]: Taking taylor expansion of 0 in b 0.126 * [backup-simplify]: Simplify 0 into 0 0.127 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.127 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2))) 0.128 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2))) 0.128 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b 0.128 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b 0.128 * [taylor]: Taking taylor expansion of (pow b 2) in b 0.128 * [taylor]: Taking taylor expansion of b in b 0.128 * [backup-simplify]: Simplify 0 into 0 0.128 * [backup-simplify]: Simplify 1 into 1 0.128 * [backup-simplify]: Simplify (* 1 1) into 1 0.128 * [backup-simplify]: Simplify (/ 1 1) into 1 0.128 * [backup-simplify]: Simplify (- 1) into -1 0.128 * [backup-simplify]: Simplify -1 into -1 0.128 * [backup-simplify]: Simplify 1 into 1 0.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.129 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0 0.130 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0 0.130 * [backup-simplify]: Simplify (- 0) into 0 0.130 * [backup-simplify]: Simplify (+ 0 0) into 0 0.130 * [taylor]: Taking taylor expansion of 0 in b 0.130 * [backup-simplify]: Simplify 0 into 0 0.130 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.131 * [backup-simplify]: Simplify (- 0) into 0 0.131 * [backup-simplify]: Simplify 0 into 0 0.131 * [backup-simplify]: Simplify 0 into 0 0.131 * [backup-simplify]: Simplify 0 into 0 0.132 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.132 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.132 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0 0.133 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0 0.133 * [backup-simplify]: Simplify (- 0) into 0 0.133 * [backup-simplify]: Simplify (+ 0 0) into 0 0.133 * [taylor]: Taking taylor expansion of 0 in b 0.133 * [backup-simplify]: Simplify 0 into 0 0.134 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.134 * [backup-simplify]: Simplify (- 0) into 0 0.134 * [backup-simplify]: Simplify 0 into 0 0.134 * [backup-simplify]: Simplify 0 into 0 0.134 * [backup-simplify]: Simplify 0 into 0 0.135 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2)) 0.135 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) 0.135 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0 0.135 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b 0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b 0.135 * [taylor]: Taking taylor expansion of (pow a 2) in b 0.135 * [taylor]: Taking taylor expansion of a in b 0.135 * [backup-simplify]: Simplify a into a 0.135 * [backup-simplify]: Simplify (* a a) into (pow a 2) 0.135 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2)) 0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b 0.135 * [taylor]: Taking taylor expansion of (pow b 2) in b 0.135 * [taylor]: Taking taylor expansion of b in b 0.135 * [backup-simplify]: Simplify 0 into 0 0.135 * [backup-simplify]: Simplify 1 into 1 0.135 * [backup-simplify]: Simplify (* 1 1) into 1 0.138 * [backup-simplify]: Simplify (/ 1 1) into 1 0.138 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a 0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a 0.138 * [taylor]: Taking taylor expansion of (pow a 2) in a 0.138 * [taylor]: Taking taylor expansion of a in a 0.138 * [backup-simplify]: Simplify 0 into 0 0.138 * [backup-simplify]: Simplify 1 into 1 0.139 * [backup-simplify]: Simplify (* 1 1) into 1 0.139 * [backup-simplify]: Simplify (/ 1 1) into 1 0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a 0.139 * [taylor]: Taking taylor expansion of (pow b 2) in a 0.139 * [taylor]: Taking taylor expansion of b in a 0.139 * [backup-simplify]: Simplify b into b 0.139 * [backup-simplify]: Simplify (* b b) into (pow b 2) 0.139 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2)) 0.139 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a 0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a 0.139 * [taylor]: Taking taylor expansion of (pow a 2) in a 0.139 * [taylor]: Taking taylor expansion of a in a 0.139 * [backup-simplify]: Simplify 0 into 0 0.139 * [backup-simplify]: Simplify 1 into 1 0.139 * [backup-simplify]: Simplify (* 1 1) into 1 0.140 * [backup-simplify]: Simplify (/ 1 1) into 1 0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a 0.140 * [taylor]: Taking taylor expansion of (pow b 2) in a 0.140 * [taylor]: Taking taylor expansion of b in a 0.140 * [backup-simplify]: Simplify b into b 0.140 * [backup-simplify]: Simplify (* b b) into (pow b 2) 0.140 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2)) 0.140 * [backup-simplify]: Simplify (+ 1 0) into 1 0.140 * [taylor]: Taking taylor expansion of 1 in b 0.140 * [backup-simplify]: Simplify 1 into 1 0.140 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.141 * [backup-simplify]: Simplify (+ 0 0) into 0 0.141 * [taylor]: Taking taylor expansion of 0 in b 0.141 * [backup-simplify]: Simplify 0 into 0 0.142 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.142 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2))) 0.142 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2))) 0.142 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b 0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b 0.142 * [taylor]: Taking taylor expansion of (pow b 2) in b 0.142 * [taylor]: Taking taylor expansion of b in b 0.142 * [backup-simplify]: Simplify 0 into 0 0.142 * [backup-simplify]: Simplify 1 into 1 0.143 * [backup-simplify]: Simplify (* 1 1) into 1 0.143 * [backup-simplify]: Simplify (/ 1 1) into 1 0.143 * [backup-simplify]: Simplify (- 1) into -1 0.143 * [backup-simplify]: Simplify -1 into -1 0.143 * [backup-simplify]: Simplify 1 into 1 0.144 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.144 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0 0.144 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0 0.145 * [backup-simplify]: Simplify (- 0) into 0 0.145 * [backup-simplify]: Simplify (+ 0 0) into 0 0.145 * [taylor]: Taking taylor expansion of 0 in b 0.145 * [backup-simplify]: Simplify 0 into 0 0.145 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.146 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.146 * [backup-simplify]: Simplify (- 0) into 0 0.146 * [backup-simplify]: Simplify 0 into 0 0.146 * [backup-simplify]: Simplify 0 into 0 0.146 * [backup-simplify]: Simplify 0 into 0 0.146 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.147 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.147 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0 0.147 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0 0.148 * [backup-simplify]: Simplify (- 0) into 0 0.148 * [backup-simplify]: Simplify (+ 0 0) into 0 0.148 * [taylor]: Taking taylor expansion of 0 in b 0.148 * [backup-simplify]: Simplify 0 into 0 0.148 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.149 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.149 * [backup-simplify]: Simplify (- 0) into 0 0.149 * [backup-simplify]: Simplify 0 into 0 0.149 * [backup-simplify]: Simplify 0 into 0 0.149 * [backup-simplify]: Simplify 0 into 0 0.149 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2)) 0.150 * * * [progress]: simplifying candidates 0.150 * [simplify]: Simplifying: (fma a a (- (* b b))) (fma (- b) b (* b b)) (expm1 (- (* a a) (* b b))) (log1p (- (* a a) (* b b))) (- (* b b)) (/ (exp (* a a)) (exp (* b b))) (log (- (* a a) (* b b))) (exp (- (* a a) (* b b))) (* (cbrt (- (* a a) (* b b))) (cbrt (- (* a a) (* b b)))) (cbrt (- (* a a) (* b b))) (* (* (- (* a a) (* b b)) (- (* a a) (* b b))) (- (* a a) (* b b))) (sqrt (- (* a a) (* b b))) (sqrt (- (* a a) (* b b))) (- (pow (* a a) 3) (pow (* b b) 3)) (+ (* (* a a) (* a a)) (+ (* (* b b) (* b b)) (* (* a a) (* b b)))) (- (* b b)) (- (* (* a a) (* a a)) (* (* b b) (* b b))) (+ (* a a) (* b b)) (+ a b) (- a b) (- (* b b)) (- (pow a 2) (pow b 2)) (- (pow a 2) (pow b 2)) (- (pow a 2) (pow b 2)) 0.150 * [simplify]: Sending expressions to egg_math: (fma h0 h0 (- (* h1 h1))) (fma (- h1) h1 (* h1 h1)) (expm1 (- (* h0 h0) (* h1 h1))) (log1p (- (* h0 h0) (* h1 h1))) (- (* h1 h1)) (/ (exp (* h0 h0)) (exp (* h1 h1))) (log (- (* h0 h0) (* h1 h1))) (exp (- (* h0 h0) (* h1 h1))) (* (cbrt (- (* h0 h0) (* h1 h1))) (cbrt (- (* h0 h0) (* h1 h1)))) (cbrt (- (* h0 h0) (* h1 h1))) (* (* (- (* h0 h0) (* h1 h1)) (- (* h0 h0) (* h1 h1))) (- (* h0 h0) (* h1 h1))) (sqrt (- (* h0 h0) (* h1 h1))) (sqrt (- (* h0 h0) (* h1 h1))) (- (pow (* h0 h0) 3) (pow (* h1 h1) 3)) (+ (* (* h0 h0) (* h0 h0)) (+ (* (* h1 h1) (* h1 h1)) (* (* h0 h0) (* h1 h1)))) (- (* h1 h1)) (- (* (* h0 h0) (* h0 h0)) (* (* h1 h1) (* h1 h1))) (+ (* h0 h0) (* h1 h1)) (+ h0 h1) (- h0 h1) (- (* h1 h1)) (- (pow h0 2) (pow h1 2)) (- (pow h0 2) (pow h1 2)) (- (pow h0 2) (pow h1 2)) 0.153 * * [simplify]: iteration 0 : 102 enodes (cost 97 ) 0.156 * * [simplify]: iteration 1 : 416 enodes (cost 87 ) 0.162 * * [simplify]: iteration 2 : 1403 enodes (cost 84 ) 0.190 * * [simplify]: iteration 3 : 5002 enodes (cost 80 ) 0.192 * * * [progress]: adding candidates to table 0.226 * * [progress]: iteration 2 / 4 0.226 * * * [progress]: picking best candidate 0.227 * * * * [pick]: Picked # 0.227 * * * [progress]: localizing error 0.231 * * * [progress]: generating rewritten candidates 0.231 * * * [progress]: generating series expansions 0.231 * * * [progress]: simplifying candidates 0.231 * [simplify]: Simplifying: 0.231 * [simplify]: Sending expressions to egg_math: 0.236 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.236 * * * [progress]: adding candidates to table 0.236 * [progress]: [Phase 3 of 3] Extracting. 0.238 * [simplify]: Simplifying: (* (+ a b) (- a b)) 0.238 * [simplify]: Sending expressions to egg_math: (* (+ h0 h1) (- h0 h1)) 0.238 * * [simplify]: iteration 0 : 7 enodes (cost 3 ) 0.239 * * [simplify]: iteration 1 : 7 enodes (cost 3 ) 0.787 * [regime-testing]: End program error score: 0.0005000625078134767 0.804 * [regime-testing]: Target error score: 0.0005000625078134767