Details

Time bar (total: 5.7s)

sample263.0ms

Algorithm
intervals
Results
84.0ms94×body1280valid
66.0ms73×body80valid
37.0ms61×body640valid
6.0ms16×body320valid
4.0ms12×body160valid

simplify27.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
08243
112243
216243
318243
420243
521243
done21243

prune36.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.2b

localize33.0ms

Local error

Found 3 expressions with local error:

0.2b
(* r (/ (sin b) (cos (+ a b))))
0.3b
(/ (sin b) (cos (+ a b)))
3.1b
(cos (+ a b))

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
19×*-un-lft-identity times-frac add-cube-cbrt
13×associate-*r*
10×add-cbrt-cube add-exp-log
pow1
expm1-log1p-u associate-/r* associate-*l* log1p-expm1-u associate-/l* add-log-exp
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
cos-sum clear-num frac-2neg pow-prod-down associate-*r/ *-commutative
Counts
3 → 73
Calls
3 calls:
30.0ms
(* r (/ (sin b) (cos (+ a b))))
17.0ms
(/ (sin b) (cos (+ a b)))
22.0ms
(cos (+ a b))

series252.0ms

Counts
3 → 9
Calls
3 calls:
167.0ms
(* r (/ (sin b) (cos (+ a b))))
47.0ms
(/ (sin b) (cos (+ a b)))
38.0ms
(cos (+ a b))

simplify3.2s

Counts
82 → 82
Iterations

Useful iterations: done (3.2s)

IterNodesCost
012325254
128023531
287923330
3328423075
done501223010

prune641.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.3b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
0.2b
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
0.2b
(* (sin a) (sin b))
0.2b
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

rewrite146.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
22×*-un-lft-identity add-cube-cbrt
20×associate-*r*
19×times-frac
13×add-cbrt-cube add-exp-log
pow1 associate-/r/
sin-mult
associate-*l* cos-mult add-log-exp
expm1-log1p-u log1p-expm1-u
associate-/r* flip3-- prod-exp frac-sub cbrt-unprod flip-- associate-/l* sub-div unswap-sqr
cbrt-undiv div-exp pow-prod-down *-commutative div-inv
clear-num sub-neg frac-2neg fma-neg diff-log prod-diff associate-*r/
Counts
4 → 110
Calls
4 calls:
14.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
74.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
20.0ms
(* (sin a) (sin b))
34.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

series777.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(- (* (cos a) (cos b)) (* (sin a) (sin b)))
390.0ms
(* r (/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b)))))
85.0ms
(* (sin a) (sin b))
144.0ms
(/ (sin b) (- (* (cos a) (cos b)) (* (sin a) (sin b))))

simplify211.0ms

Iterations

Useful iterations: 0 (64.0ms)

IterNodesCost
018255979