Details

Time bar (total: 8.9s)

sample68.0ms

Algorithm
intervals
Results
17.0ms268×body80valid
10.0ms26×body1280valid
10.0ms36×body640valid
9.0ms19×body320valid
2.0ms13×body160valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01732
13232
26932
317932
442232
5104032
6336532
done500032

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.8b

localize18.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
3.6b
(cos (/ (+ phi1 phi2) 2.0))
3.6b
(cos (/ (+ phi1 phi2) 2.0))
35.6b
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
142×associate-*l/
102×flip3-- flip--
68×frac-times
66×sqrt-div
64×frac-add
44×pow1
34×associate-*r/
17×pow-prod-down
16×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow-sqr pow-prod-up add-log-exp
sqrt-prod
pow-plus
pow2 rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 swap-sqr associate-*r* associate-*l* *-commutative flip-+
Counts
4 → 135
Calls
4 calls:
27.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
5.0ms
(cos (/ (+ phi1 phi2) 2.0))
48.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

series551.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))))
26.0ms
(cos (/ (+ phi1 phi2) 2.0))
26.0ms
(cos (/ (+ phi1 phi2) 2.0))
403.0ms
(sqrt (+ (* (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify405.0ms

Counts
147 → 147
Iterations

Useful iterations: done (398.0ms)

IterNodesCost
04557854
112127209
done50017047

prune449.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 26.6b

localize25.0ms

Local error

Found 4 expressions with local error:

1.8b
(- (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1))))
3.6b
(cos (* 0.5 (+ phi2 phi1)))
3.6b
(cos (* 0.5 (+ phi2 phi1)))
35.6b
(sqrt (+ (- (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite152.0ms

Algorithm
rewrite-expression-head
Rules
21×flip3-- flip--
18×sqrt-div
16×frac-add
frac-times
add-sqr-sqrt add-log-exp
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log cos-sum associate-*r/ associate-*l/ add-cbrt-cube
distribute-rgt-in distribute-lft-in sqrt-prod
associate--l+
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 63
Calls
4 calls:
40.0ms
(- (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1))))
3.0ms
(cos (* 0.5 (+ phi2 phi1)))
3.0ms
(cos (* 0.5 (+ phi2 phi1)))
103.0ms
(sqrt (+ (- (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1)))) (* (- phi1 phi2) (- phi1 phi2))))

series902.0ms

Counts
4 → 12
Calls
4 calls:
269.0ms
(- (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1))))
26.0ms
(cos (* 0.5 (+ phi2 phi1)))
31.0ms
(cos (* 0.5 (+ phi2 phi1)))
577.0ms
(sqrt (+ (- (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify714.0ms

Counts
75 → 75
Iterations

Useful iterations: done (709.0ms)

IterNodesCost
02275490
15674982
225254684
done50004570

prune416.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 21.8b

localize39.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2)
1.8b
(- (* (pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1))))
3.6b
(cos (* 0.5 (+ phi2 phi1)))
35.6b
(sqrt (+ (- (* (pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1)))) (* (- phi1 phi2) (- phi1 phi2))))

rewrite252.0ms

Algorithm
rewrite-expression-head
Rules
21×flip3-- flip--
18×sqrt-div
16×frac-add
add-sqr-sqrt frac-times
add-cube-cbrt *-un-lft-identity
pow1 add-log-exp
add-exp-log
associate-*r/ associate-*l/ add-cbrt-cube
unpow-prod-down pow-unpow sqrt-prod
distribute-rgt-in cos-sum distribute-lft-in associate--l+
pow-to-exp sub-neg rem-sqrt-square pow-pow sqrt-pow1 flip3-+ pow1/2 diff-log pow-exp flip-+ unpow2 sqr-pow
Counts
4 → 72
Calls
4 calls:
13.0ms
(pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2)
77.0ms
(- (* (pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1))))
3.0ms
(cos (* 0.5 (+ phi2 phi1)))
156.0ms
(sqrt (+ (- (* (pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1)))) (* (- phi1 phi2) (- phi1 phi2))))

series2.4s

Counts
4 → 12
Calls
4 calls:
130.0ms
(pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2)
954.0ms
(- (* (pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1))))
27.0ms
(cos (* 0.5 (+ phi2 phi1)))
1.3s
(sqrt (+ (- (* (pow (- (* (cos (* 0.5 phi2)) (cos (* 0.5 phi1))) (* (sin (* 0.5 phi2)) (sin (* 0.5 phi1)))) 2) (+ (pow lambda1 2) (pow lambda2 2))) (* 2 (* lambda2 (* (pow (cos (* 0.5 (+ phi2 phi1))) 2) lambda1)))) (* (- phi1 phi2) (- phi1 phi2))))

simplify251.0ms

Iterations

Useful iterations: 1 (75.0ms)

IterNodesCost
03117871
18106698