(FPCore (x) :precision binary64 (* (/ 1.0 2.0) (log (/ (+ 1.0 x) (- 1.0 x)))))
double code(double x) {
return (1.0 / 2.0) * log(((1.0 + x) / (1.0 - x)));
}
real(8) function code(x)
real(8), intent (in) :: x
code = (1.0d0 / 2.0d0) * log(((1.0d0 + x) / (1.0d0 - x)))
end function
public static double code(double x) {
return (1.0 / 2.0) * Math.log(((1.0 + x) / (1.0 - x)));
}
def code(x): return (1.0 / 2.0) * math.log(((1.0 + x) / (1.0 - x)))
function code(x) return Float64(Float64(1.0 / 2.0) * log(Float64(Float64(1.0 + x) / Float64(1.0 - x)))) end
function tmp = code(x) tmp = (1.0 / 2.0) * log(((1.0 + x) / (1.0 - x))); end
code[x_] := N[(N[(1.0 / 2.0), $MachinePrecision] * N[Log[N[(N[(1.0 + x), $MachinePrecision] / N[(1.0 - x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\frac{1}{2} \cdot \log \left(\frac{1 + x}{1 - x}\right)
Please include this information when filing a bug report:
herbie shell --seed 2023094
(FPCore (x)
:name "Hyperbolic arc-(co)tangent"
:precision binary64
(* (/ 1.0 2.0) (log (/ (+ 1.0 x) (- 1.0 x)))))
| match-define: no matching clause for '((x +.f64 (-.f64 (log1p.f64 x) (log1p.f64 (neg.f64 x))) 0)) | L | C | |
|---|---|---|---|
| program-body | /home/nightlies/herbie/remove-change/src/programs.rkt | 21 | 0 |
| (unnamed) | /usr/share/racket/collects/racket/contract/private/arrow-higher-order.rkt | 379 | 33 |
| gen-rewrites! | /home/nightlies/herbie/remove-change/src/patch.rkt | 145 | 0 |
| patch-table-run | /home/nightlies/herbie/remove-change/src/patch.rkt | 296 | 0 |
| (unnamed) | /usr/share/racket/collects/racket/contract/private/arrow-val-first.rkt | 486 | 18 |
| run-iter! | /home/nightlies/herbie/remove-change/src/mainloop.rkt | 267 | 0 |
| mutate! | /home/nightlies/herbie/remove-change/src/mainloop.rkt | 377 | 0 |
| run-improve! | /home/nightlies/herbie/remove-change/src/mainloop.rkt | 325 | 0 |
| run-herbie | /home/nightlies/herbie/remove-change/src/sandbox.rkt | 57 | 0 |
| (unnamed) | /home/nightlies/herbie/remove-change/src/sandbox.rkt | 133 | 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 |