Error in 21.9s

Runtime

Time bar (total: 21.9s)Debug log

start478.0ms

Algorithm
intervals

setup42.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.9b

localize19.0ms

Local error

Found 3 expressions with local error:

6.3b
(- (exp x) (exp (- x)))
1.2b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.0b
(+ (exp x) (exp (- x)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Counts
3 → 73
Calls

3 calls. Slowest were:

19.0ms
(- (exp x) (exp (- x)))
15.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
5.0ms
(+ (exp x) (exp (- x)))

series179.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

96.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
59.0ms
(- (exp x) (exp (- x)))
24.0ms
(+ (exp x) (exp (- x)))

simplify2.0s

Counts
69 → 82
Calls

69 calls. Slowest were:

549.0ms
(/ (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x)))) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x)))))
291.0ms
(- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
161.0ms
(+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))

prune705.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize3.0ms

Local error

Found 1 expressions with local error:

0.0b
(tanh x)

rewrite0.0ms

Algorithm
rewrite-expression-head
Counts
1 → 10
Calls

1 calls. Slowest were:

0.0ms
(tanh x)

series90.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

90.0ms
(tanh x)

simplify109.0ms

Counts
3 → 13
Calls

3 calls. Slowest were:

59.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
28.0ms
(/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
21.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))

prune87.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 1/3 (pow x 3))
0.1b
(* 2/15 (pow x 5))
0.0b
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
0.0b
(+ x (* 2/15 (pow x 5)))

rewrite17.0ms

Algorithm
rewrite-expression-head
Counts
4 → 47
Calls

4 calls. Slowest were:

9.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
2.0ms
(* 2/15 (pow x 5))
2.0ms
(* 1/3 (pow x 3))

series154.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

76.0ms
(+ x (* 2/15 (pow x 5)))
29.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
27.0ms
(* 1/3 (pow x 3))

simplify408.0ms

Counts
20 → 59
Calls

20 calls. Slowest were:

125.0ms
(/ (exp (+ x (* 2/15 (pow x 5)))) (exp (* 1/3 (pow x 3))))
87.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
67.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))

prune805.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes39.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 
(FPCore (x)
  :name "Hyperbolic tangent"
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))

Backtrace

partition: contract violation expected: list? given: 0.0135 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