Please include this information when filing a bug report:
herbie shell --seed 2021043
(FPCore (J K U)
:name "Maksimov and Kolovsky, Equation (3)"
:precision binary64
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))
| cdr: contract violation expected: pair? given: 'l | L | C | |
|---|---|---|---|
| (unnamed) | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/programs.rkt | 216 | 2 |
| (unnamed) | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/programs.rkt | 150 | 2 |
| (unnamed) | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/points.rkt | 169 | 4 |
| errors | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/points.rkt | 166 | 0 |
| make-alt-table | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/core/alt-table.rkt | 33 | 0 |
| (unnamed) | /opt/racket-7.9/collects/racket/contract/private/arrow-val-first.rkt | 486 | 18 |
| setup-prog! | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/mainloop.rkt | 80 | 0 |
| for-loop | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/mainloop.rkt | 453 | 4 |
| run-improve | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/mainloop.rkt | 447 | 0 |
| (unnamed) | /data/pavpan/nightlies/herbie/mpmf-cost-multi-input/src/sandbox.rkt | 54 | 6 |
| run | /opt/racket-7.9/share/pkgs/profile-lib/main.rkt | 39 | 2 |
| profile-thunk | /opt/racket-7.9/share/pkgs/profile-lib/main.rkt | 9 | 0 |
| (unnamed) | /opt/racket-7.9/collects/racket/engine.rkt | 42 | 24 |
herbie shell --seed 2021043
(FPCore (J K U)
:name "Maksimov and Kolovsky, Equation (3)"
:precision binary64
(* (* (* -2.0 J) (cos (/ K 2.0))) (sqrt (+ 1.0 (pow (/ U (* (* 2.0 J) (cos (/ K 2.0)))) 2.0)))))