Error in 2.1m

Runtime

Time bar (total: 2.1m)Debug logProfile

start3.0s

Algorithm
intervals

setup265.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.6b

localize390.0ms

Local error

Found 4 expressions with local error:

3.3b
(- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))
0.3b
(* (/ PI 4) f)
0.3b
(* (/ PI 4) f)
0.3b
(* (/ PI 4) f)

rewrite26.0ms

Algorithm
rewrite-expression-head
Counts
4 → 53
Calls

4 calls. Slowest were:

11.0ms
(- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))
4.0ms
(* (/ PI 4) f)
4.0ms
(* (/ PI 4) f)

series366.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

168.0ms
(- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))
77.0ms
(* (/ PI 4) f)
71.0ms
(* (/ PI 4) f)

simplify602.0ms

Counts
25 → 65
Calls

25 calls. Slowest were:

309.0ms
(+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))
59.0ms
(- (exp (* 1/4 (* PI f))) (exp (- (* 1/4 (* PI f)))))
42.0ms
(/ (exp (exp (* (/ PI 4) f))) (exp (exp (- (* (/ PI 4) f)))))

prune1.1s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize66.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow PI 3)
1.0b
(pow PI 5)
0.4b
(* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.3b
(* f PI)

rewrite21.0ms

Algorithm
rewrite-expression-head
Counts
4 → 84
Calls

4 calls. Slowest were:

19.0ms
(* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.0ms
(pow PI 3)
0.0ms
(* f PI)

series467.0ms

Counts
4 → 8
Calls

4 calls. Slowest were:

433.0ms
(* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
34.0ms
(* f PI)
0.0ms
(pow PI 3)

simplify12.9s

Counts
56 → 92
Calls

56 calls. Slowest were:

435.0ms
(* (/ 1 (/ PI 4)) (log (sqrt (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))))
413.0ms
(- (+ (* 4 (/ (log (/ 4 PI)) PI)) (* 1/12 (* (pow f 2) PI))) (+ (* 4 (/ (log f) PI)) (* 7/5760 (* (pow f 4) (pow PI 3)))))
397.0ms
(sqrt (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))

prune3.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow PI 3)
1.0b
(pow PI 5)
0.3b
(* (sqrt (/ 1 (/ PI 4))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.3b
(* f PI)

rewrite36.0ms

Algorithm
rewrite-expression-head
Counts
4 → 86
Calls

4 calls. Slowest were:

32.0ms
(* (sqrt (/ 1 (/ PI 4))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
0.0ms
(* f PI)
0.0ms
(pow PI 3)

series615.0ms

Counts
4 → 8
Calls

4 calls. Slowest were:

568.0ms
(* (sqrt (/ 1 (/ PI 4))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))))
46.0ms
(* f PI)
0.0ms
(pow PI 3)

simplify15.2s

Counts
59 → 94
Calls

59 calls. Slowest were:

723.0ms
(* (log (/ (cbrt (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))) (cbrt (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))) (sqrt (/ 1 (/ PI 4))))
448.0ms
(* (* (* (sqrt (/ 1 (/ PI 4))) (sqrt (/ 1 (/ PI 4)))) (sqrt (/ 1 (/ PI 4)))) (* (* (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5))))))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))))
417.0ms
(* (log (/ (sqrt (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f))))) (sqrt (+ (* 1/2 (* f PI)) (+ (* 1/192 (* (pow f 3) (pow PI 3))) (* 1/61440 (* (pow f 5) (pow PI 5)))))))) (sqrt (/ 1 (/ PI 4))))

prune3.5s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize74.0ms

Local error

Found 4 expressions with local error:

2.0b
(log (/ 4 PI))
1.0b
(* 1/12 PI)
0.4b
(* (/ 4 PI) (- (log f) (log (/ 4 PI))))
0.3b
(* (* 1/12 PI) (* f f))

rewrite13.0ms

Algorithm
rewrite-expression-head
Counts
4 → 67
Calls

4 calls. Slowest were:

9.0ms
(* (/ 4 PI) (- (log f) (log (/ 4 PI))))
3.0ms
(* (* 1/12 PI) (* f f))
1.0ms
(log (/ 4 PI))

series603.0ms

Counts
4 → 8
Calls

4 calls. Slowest were:

519.0ms
(* (/ 4 PI) (- (log f) (log (/ 4 PI))))
83.0ms
(* (* 1/12 PI) (* f f))
0.0ms
(log (/ 4 PI))

simplify3.5s

Counts
41 → 75
Calls

41 calls. Slowest were:

527.0ms
(* (* (* (* 1/12 PI) (* 1/12 PI)) (* 1/12 PI)) (* (* (* f f) (* f f)) (* f f)))
389.0ms
(* PI (+ (* (log f) (log f)) (+ (* (log (/ 4 PI)) (log (/ 4 PI))) (* (log f) (log (/ 4 PI))))))
240.0ms
(- (- (+ (* (* 1/12 PI) (* f f)) (* (pow f 4) (* (* PI PI) (* -7/5760 PI)))) (* (/ 4 PI) (- (log f) (log (/ 4 PI))))))

prune1.4s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

regimes291.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (f)
  :name "VandenBroeck and Keller, Equation (20)"
  (- (* (/ 1 (/ PI 4)) (log (/ (+ (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))) (- (exp (* (/ PI 4) f)) (exp (- (* (/ PI 4) f)))))))))

Backtrace

partition: contract violation expected: list? given: 0.7449058948449946 argument position: 2nd other arguments...: #<procedure:ordinary-value?>LC
partition/home/p92/racket/collects/racket/list.rkt5550
errors-score/data/pavpan/nightlies/herbie/develop/src/points.rkt3220
for-loop/data/pavpan/nightlies/herbie/develop/src/sandbox.rkt7512
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128
run/home/p92/racket/share/pkgs/profile-lib/main.rkt392
profile-thunk16/home/p92/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128