Error in 1.4m

Runtime

Time bar (total: 1.4m)Debug logProfile

start443.0ms

Algorithm
intervals

setup29.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.0b

localize454.0ms

Local error

Found 2 expressions with local error:

5.2b
(- (exp x) (exp (- x)))
0.7b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))

rewrite34.0ms

Algorithm
rewrite-expression-head
Counts
2 → 61
Calls

2 calls. Slowest were:

25.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
7.0ms
(- (exp x) (exp (- x)))

series153.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

109.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
44.0ms
(- (exp x) (exp (- x)))

simplify1.9s

Counts
64 → 67
Calls

64 calls. Slowest were:

476.0ms
(/ (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x)))) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x)))))
246.0ms
(- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
197.0ms
(+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))

prune385.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

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)

series92.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

92.0ms
(tanh x)

simplify117.0ms

Counts
3 → 13
Calls

3 calls. Slowest were:

52.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
40.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
25.0ms
(/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))

prune99.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

39.6b
(cbrt (* (* (tanh x) (tanh x)) (tanh x)))
0.1b
(* (* (tanh x) (tanh x)) (tanh x))
0.0b
(* (tanh x) (tanh x))
0.0b
(tanh x)

rewrite26.0ms

Algorithm
rewrite-expression-head
Counts
4 → 206
Calls

4 calls. Slowest were:

10.0ms
(* (* (tanh x) (tanh x)) (tanh x))
7.0ms
(cbrt (* (* (tanh x) (tanh x)) (tanh x)))
4.0ms
(* (tanh x) (tanh x))

series407.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

109.0ms
(* (* (tanh x) (tanh x)) (tanh x))
103.0ms
(cbrt (* (* (tanh x) (tanh x)) (tanh x)))
102.0ms
(tanh x)

simplify57.1s

Counts
239 → 218
Calls

239 calls. Slowest were:

786.0ms
(* (* (- 1 (exp (* -2 x))) (- 1 (exp (* -2 x)))) (- (exp (* 2 x)) 1))
785.0ms
(* (+ (exp x) (exp (- x))) (+ (exp (* 2 x)) 1))
774.0ms
(* (+ (exp x) (exp (- x))) (+ (exp (* 2 x)) 1))

prune2.1s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes32.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (x)
  :name "Hyperbolic tangent"
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))

Backtrace

partition: contract violation expected: list? given: 0.0115 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