
(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]
\begin{array}{l}
\\
\sqrt[3]{x + 1} - \sqrt[3]{x}
\end{array}
herbie shell --seed 2025093
(FPCore (x)
:name "2cbrt (problem 3.3.4)"
:precision binary64
:pre (and (> x 1.0) (< x 1e+308))
:alt
(! :herbie-platform default (/ 1 (+ (* (cbrt (+ x 1)) (cbrt (+ x 1))) (* (cbrt x) (cbrt (+ x 1))) (* (cbrt x) (cbrt x)))))
(- (cbrt (+ x 1.0)) (cbrt x)))
Please file a bug report with this information.
| result arity mismatch; expected number of values not received expected: 2 received: 1 in: local-binding form arguments...: '((12465444587622402.0 4.541322426336158e+197) . #f) | L | C | |
|---|---|---|---|
| batch-prepare-points | /home/nightlies/herbie/random-cleanup/src/core/sampling.rkt | 123 | 0 |
| prepend-argument | /home/nightlies/herbie/random-cleanup/src/core/bsearch.rkt | 97 | 0 |
| hash-ref! | /usr/share/racket/collects/racket/private/more-scheme.rkt | 377 | 2 |
| pred | /home/nightlies/herbie/random-cleanup/src/core/bsearch.rkt | 140 | 4 |
| binary-search-floats | /home/nightlies/herbie/random-cleanup/src/core/bsearch.rkt | 69 | 0 |
| sindices->spoints | /home/nightlies/herbie/random-cleanup/src/core/bsearch.rkt | 121 | 0 |
| (unnamed) | /usr/share/racket/collects/racket/contract/private/arrow-higher-order.rkt | 379 | 33 |
| f11 | .../match/compiler.rkt | 559 | 40 |
| make-regime! | /home/nightlies/herbie/random-cleanup/src/core/mainloop.rkt | 262 | 0 |
| extract! | /home/nightlies/herbie/random-cleanup/src/core/mainloop.rkt | 61 | 0 |
| run-improve! | /home/nightlies/herbie/random-cleanup/src/core/mainloop.rkt | 37 | 0 |
| get-alternatives | /home/nightlies/herbie/random-cleanup/src/api/sandbox.rkt | 61 | 0 |
| (unnamed) | /home/nightlies/herbie/random-cleanup/src/api/sandbox.rkt | 193 | 6 |
| (unnamed) | /usr/share/racket/pkgs/profile-lib/main.rkt | 40 | 10 |
| profile-thunk | /usr/share/racket/pkgs/profile-lib/main.rkt | 9 | 0 |
| in-engine | /home/nightlies/herbie/random-cleanup/src/api/sandbox.rkt | 209 | 2 |
| (unnamed) | /usr/share/racket/collects/racket/engine.rkt | 42 | 24 |