
(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}
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)))
| arb-cbrt: Unimplemented | L | C | |
|---|---|---|---|
| f | /home/nightlies/herbie/arb-support/src/programs.rkt | 187 | 2 |
| (unnamed) | /home/nightlies/herbie/arb-support/src/ground-truth.rkt | 23 | 2 |
| search-step | /home/nightlies/herbie/arb-support/src/searchreals.rkt | 37 | 0 |
| find-intervals | /home/nightlies/herbie/arb-support/src/searchreals.rkt | 87 | 0 |
| make-sampler | /home/nightlies/herbie/arb-support/src/sampling.rkt | 94 | 0 |
| sample-points | /home/nightlies/herbie/arb-support/src/ground-truth.rkt | 64 | 0 |
| setup-context! | /home/nightlies/herbie/arb-support/src/mainloop.rkt | 293 | 0 |
| get-alternatives/report | /home/nightlies/herbie/arb-support/src/sandbox.rkt | 148 | 0 |
| (unnamed) | /home/nightlies/herbie/arb-support/src/sandbox.rkt | 247 | 6 |
| (unnamed) | /usr/share/racket/pkgs/profile-lib/main.rkt | 40 | 10 |
| profile-thunk | /usr/share/racket/pkgs/profile-lib/main.rkt | 9 | 0 |
| (unnamed) | /usr/share/racket/collects/racket/engine.rkt | 42 | 24 |