Error in 20.5s

Runtime

Time bar (total: 20.5s)Debug log

start183.0ms

Algorithm
intervals

setup598.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize46.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (exp (- im)) (exp im))
0.0b
(* (* 0.5 (cos re)) (+ (exp (- im)) (exp im)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Counts
2 → 39
Calls

2 calls. Slowest were:

24.0ms
(* (* 0.5 (cos re)) (+ (exp (- im)) (exp im)))
11.0ms
(+ (exp (- im)) (exp im))

series135.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

90.0ms
(* (* 0.5 (cos re)) (+ (exp (- im)) (exp im)))
45.0ms
(+ (exp (- im)) (exp im))

simplify1.6s

Counts
21 → 45
Calls

21 calls. Slowest were:

522.0ms
(* 0.5 (* (cos re) (+ (exp (- im)) (exp im))))
324.0ms
(+ (* (exp (- im)) (exp (- im))) (- (* (exp im) (exp im)) (* (exp (- im)) (exp im))))
221.0ms
(* 0.5 (* (+ (exp im) (exp (* -1 im))) (cos re)))

prune542.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.7b
(* (* (* 0.5 (cos re)) (sqrt (+ (exp (- im)) (exp im)))) (sqrt (+ (exp (- im)) (exp im))))
0.2b
(* (* 0.5 (cos re)) (sqrt (+ (exp (- im)) (exp im))))
0.0b
(+ (exp (- im)) (exp im))
0.0b
(+ (exp (- im)) (exp im))

rewrite76.0ms

Algorithm
rewrite-expression-head
Counts
4 → 89
Calls

4 calls. Slowest were:

37.0ms
(* (* (* 0.5 (cos re)) (sqrt (+ (exp (- im)) (exp im)))) (sqrt (+ (exp (- im)) (exp im))))
22.0ms
(* (* 0.5 (cos re)) (sqrt (+ (exp (- im)) (exp im))))
8.0ms
(+ (exp (- im)) (exp im))

series250.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

118.0ms
(* (* 0.5 (cos re)) (sqrt (+ (exp (- im)) (exp im))))
79.0ms
(* (* (* 0.5 (cos re)) (sqrt (+ (exp (- im)) (exp im)))) (sqrt (+ (exp (- im)) (exp im))))
28.0ms
(+ (exp (- im)) (exp im))

simplify5.6s

Counts
58 → 101
Calls

58 calls. Slowest were:

769.0ms
(* (* (* (* 0.5 (cos re)) (* 0.5 (cos re))) (* 0.5 (cos re))) (* (* (sqrt (+ (exp (- im)) (exp im))) (sqrt (+ (exp (- im)) (exp im)))) (sqrt (+ (exp (- im)) (exp im)))))
439.0ms
(* 0.5 (* (cos re) (+ (exp (- im)) (exp im))))
385.0ms
(* (* (* 0.5 (cos re)) (sqrt (- (* (exp (- im)) (exp (- im))) (* (exp im) (exp im))))) (sqrt (- (* (exp (- im)) (exp (- im))) (* (exp im) (exp im)))))

prune1.5s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes223.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (re im)
  :name "math.cos on complex, real part"
  (* (* 0.5 (cos re)) (+ (exp (- im)) (exp im))))

Backtrace

partition: contract violation expected: list? given: 0.011948120312590144 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