Error in 2.0ms

Runtime

Time bar (total: 2.0ms)Debug logProfile

Please include this information when filing a bug report:

herbie shell --seed 2018254 +o rules:numerics
(FPCore (x)
  :name "exp2 (problem 3.3.7)"

  :herbie-target
  (* 4 (pow (sinh (/ x 2)) 2))

  (+ (- (exp x) 2) (exp (- x))))

Backtrace

lambda: unbound identifier; also, no #%app syntax transformer is bound at: lambda in: (lambda (x) (#<procedure:ival-add> (#<procedure:ival-sub> (#<procedure:ival-exp> (mk-ival x)) (mk-ival 2)) (#<procedure:ival-exp> (ival-neg (mk-ival x)))))LC
raise-syntax-errorunknown
expand-capturing-liftsunknown
expand-singleunknown
temp74_0unknown
compile16unknown
temp68_2unknown
make-exacts/data/pavpan/nightlies/herbie/biginterval-sampler/src/points.rkt1380
loop/data/pavpan/nightlies/herbie/biginterval-sampler/src/points.rkt1722
setup-prog!32/data/pavpan/nightlies/herbie/biginterval-sampler/src/mainloop.rkt630
run-improve39/data/pavpan/nightlies/herbie/biginterval-sampler/src/mainloop.rkt2860
(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