Error in 3.0ms

Runtime

Time bar (total: 3.0ms)Debug logProfile

Please include this information when filing a bug report:

herbie shell --seed 2018254 +o rules:numerics
(FPCore (x y)
  :name "Logistic regression 2"

  :herbie-target
  (if (<= x 0) (- (log (+ 1 (exp x))) (* x y)) (- (log (+ 1 (exp (- x)))) (* (- x) (- 1 y))))

  (- (log (+ 1 (exp x))) (* x y)))

Backtrace

lambda: unbound identifier; also, no #%app syntax transformer is bound at: lambda in: (lambda (x y) (#<procedure:ival-sub> (#<procedure:ival-log> (#<procedure:ival-add> (mk-ival 1) (#<procedure:ival-exp> (mk-ival x)))) (#<procedure:ival-mult> (mk-ival x) (mk-ival y))))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