Error in 11.5s

Runtime

Time bar (total: 11.5s)Debug logProfile

start196.0ms

Algorithm
intervals

setup29.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 15.9b

localize16.0ms

Local error

Found 1 expressions with local error:

1.1b
(fma (hypot re im) 2.0 (* re 2.0))

rewrite0.0ms

Algorithm
rewrite-expression-head
Counts
1 → 10
Calls

1 calls. Slowest were:

0.0ms
(fma (hypot re im) 2.0 (* re 2.0))

series49.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

49.0ms
(fma (hypot re im) 2.0 (* re 2.0))

simplify15.0ms

Counts
3 → 13
Calls

3 calls. Slowest were:

11.0ms
(+ (* 2.0 re) (* 2.0 im))
2.0ms
(* 4.0 re)
1.0ms
0

prune192.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 15.9b

localize19.0ms

Local error

Found 2 expressions with local error:

29.3b
(sqrt (+ (* re re) (* im im)))
1.1b
(+ (sqrt (+ (* re re) (* im im))) re)

rewrite20.0ms

Algorithm
rewrite-expression-head
Counts
2 → 35
Calls

2 calls. Slowest were:

16.0ms
(+ (sqrt (+ (* re re) (* im im))) re)
3.0ms
(sqrt (+ (* re re) (* im im)))

series52.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

33.0ms
(+ (sqrt (+ (* re re) (* im im))) re)
19.0ms
(sqrt (+ (* re re) (* im im)))

simplify289.0ms

Counts
17 → 41
Calls

17 calls. Slowest were:

191.0ms
(sqrt (- (* (* re re) (* re re)) (* (* im im) (* im im))))
42.0ms
(sqrt (+ (pow (* re re) 3) (pow (* im im) 3)))
8.0ms
(sqrt (sqrt (+ (* re re) (* im im))))

prune573.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 15.8b

localize19.0ms

Local error

Found 2 expressions with local error:

29.3b
(sqrt (+ (* re re) (* im im)))
17.9b
(fma (sqrt (hypot re im)) (sqrt (sqrt (+ (* re re) (* im im)))) re)

rewrite5.0ms

Algorithm
rewrite-expression-head
Counts
2 → 27
Calls

2 calls. Slowest were:

4.0ms
(sqrt (+ (* re re) (* im im)))
0.0ms
(fma (sqrt (hypot re im)) (sqrt (sqrt (+ (* re re) (* im im)))) re)

series144.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

116.0ms
(fma (sqrt (hypot re im)) (sqrt (sqrt (+ (* re re) (* im im)))) re)
27.0ms
(sqrt (+ (* re re) (* im im)))

simplify215.0ms

Counts
12 → 33
Calls

12 calls. Slowest were:

157.0ms
(sqrt (- (* (* re re) (* re re)) (* (* im im) (* im im))))
35.0ms
(sqrt (+ (pow (* re re) 3) (pow (* im im) 3)))
9.0ms
(sqrt (* (cbrt (+ (* re re) (* im im))) (cbrt (+ (* re re) (* im im)))))

prune582.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 15.7b

localize19.0ms

Local error

Found 1 expressions with local error:

17.9b
(fma (sqrt (hypot re im)) (sqrt (hypot re im)) re)

rewrite1.0ms

Algorithm
rewrite-expression-head
Counts
1 → 10
Calls

1 calls. Slowest were:

0.0ms
(fma (sqrt (hypot re im)) (sqrt (hypot re im)) re)

series101.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

101.0ms
(fma (sqrt (hypot re im)) (sqrt (hypot re im)) re)

simplify3.0ms

Counts
3 → 13
Calls

3 calls. Slowest were:

2.0ms
(+ re im)
0.0ms
(- re (+ (* +nan.0 (/ (pow im 2) (pow re 2))) (- +nan.0)))
0.0ms
(- re (+ (* +nan.0 (/ (pow im 2) (pow re 2))) (- +nan.0)))

prune178.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 15.7b

regimes262.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (re im)
  :name "math.sqrt on complex, real part"

  :herbie-target
  (if (< re 0) (* 0.5 (* (sqrt 2) (sqrt (/ (* im im) (- (sqrt (+ (* re re) (* im im))) re))))) (* 0.5 (sqrt (* 2.0 (+ (sqrt (+ (* re re) (* im im))) re)))))

  (* 0.5 (sqrt (* 2.0 (+ (sqrt (+ (* re re) (* im im))) re)))))

Backtrace

partition: contract violation expected: list? given: 13.454215356633027 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