2cbrt (problem 3.3.4)

?

\[\sqrt[3]{x + 1} - \sqrt[3]{x} \]
(FPCore (x) :precision binary64 (- (cbrt (+ x 1.0)) (cbrt x)))
double code(double x) {
	return cbrt((x + 1.0)) - cbrt(x);
}
public static double code(double x) {
	return Math.cbrt((x + 1.0)) - Math.cbrt(x);
}
function code(x)
	return Float64(cbrt(Float64(x + 1.0)) - cbrt(x))
end
code[x_] := N[(N[Power[N[(x + 1.0), $MachinePrecision], 1/3], $MachinePrecision] - N[Power[x, 1/3], $MachinePrecision]), $MachinePrecision]
\sqrt[3]{x + 1} - \sqrt[3]{x}

Reproduce?

Please include this information when filing a bug report:

herbie shell --seed 2023243 
(FPCore (x)
  :name "2cbrt (problem 3.3.4)"
  :precision binary64
  (- (cbrt (+ x 1.0)) (cbrt x)))

Backtrace

arb-cbrt: UnimplementedLC
f/home/nightlies/herbie/arb-support/src/programs.rkt1872
(unnamed)/home/nightlies/herbie/arb-support/src/ground-truth.rkt232
search-step/home/nightlies/herbie/arb-support/src/searchreals.rkt370
find-intervals/home/nightlies/herbie/arb-support/src/searchreals.rkt870
make-sampler/home/nightlies/herbie/arb-support/src/sampling.rkt940
sample-points/home/nightlies/herbie/arb-support/src/ground-truth.rkt640
setup-context!/home/nightlies/herbie/arb-support/src/mainloop.rkt2930
get-alternatives/report/home/nightlies/herbie/arb-support/src/sandbox.rkt1480
(unnamed)/home/nightlies/herbie/arb-support/src/sandbox.rkt2476
(unnamed)/usr/share/racket/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/share/racket/pkgs/profile-lib/main.rkt90
(unnamed)/usr/share/racket/collects/racket/engine.rkt4224