Details

Time bar (total: 2.0s)

sample43.0ms

Algorithm
intervals
Results
8.0ms40×body2560valid
7.0ms187×body80valid
4.0ms23×body1280valid
3.0ms86×body80nan
2.0ms16×body640valid
1.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify44.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12117
24116
37616
49016
59816
done9816

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.4b

localize9.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
0.8b
(- (* b b) (* (* 3.0 a) c))
1.3b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
21.1b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
13×*-un-lft-identity
add-exp-log add-cbrt-cube
add-log-exp
add-cube-cbrt
times-frac sqrt-prod associate-/l* difference-of-squares
pow1
flip3-- flip--
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 72
Calls
4 calls:
37.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
3.0ms
(- (* b b) (* (* 3.0 a) c))
19.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series304.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
48.0ms
(- (* b b) (* (* 3.0 a) c))
79.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
71.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify466.0ms

Counts
84 → 84
Iterations

Useful iterations: done (463.0ms)

IterNodesCost
01541592
13871490
213101334
done50001326

prune235.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.7b

localize11.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (- (sqrt (- (pow b 2) (* 3.0 (* a c)))) b) (* 3.0 a))
0.8b
(- (pow b 2) (* 3.0 (* a c)))
1.3b
(- (sqrt (- (pow b 2) (* 3.0 (* a c)))) b)
21.1b
(sqrt (- (pow b 2) (* 3.0 (* a c))))

rewrite135.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
13×*-un-lft-identity
add-exp-log add-cbrt-cube
add-log-exp
add-cube-cbrt
times-frac sqrt-prod associate-/l* difference-of-squares
pow1
flip3-- flip--
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 72
Calls
4 calls:
76.0ms
(/ (- (sqrt (- (pow b 2) (* 3.0 (* a c)))) b) (* 3.0 a))
7.0ms
(- (pow b 2) (* 3.0 (* a c)))
39.0ms
(- (sqrt (- (pow b 2) (* 3.0 (* a c)))) b)
11.0ms
(sqrt (- (pow b 2) (* 3.0 (* a c))))

series305.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(/ (- (sqrt (- (pow b 2) (* 3.0 (* a c)))) b) (* 3.0 a))
43.0ms
(- (pow b 2) (* 3.0 (* a c)))
80.0ms
(- (sqrt (- (pow b 2) (* 3.0 (* a c)))) b)
71.0ms
(sqrt (- (pow b 2) (* 3.0 (* a c))))

simplify387.0ms

Iterations

Useful iterations: 2 (107.0ms)

IterNodesCost
01521592
13811482
212361338