\left(\left(n + 1\right) \cdot \log \left(n + 1\right) - n \cdot \log n\right) - 1
double code(double n) {
return ((double) (((double) (((double) (((double) (n + 1.0)) * ((double) log(((double) (n + 1.0)))))) - ((double) (n * ((double) log(n)))))) - 1.0));
}
Please include this information when filing a bug report:
herbie shell --seed 2020165
(FPCore (n)
:name "logs (example 3.8)"
:precision binary64
:pre (> n 6.8e+15)
:herbie-target
(- (log (+ n 1.0)) (- (/ 1.0 (* 2.0 n)) (- (/ 1.0 (* 3.0 (* n n))) (/ 4.0 (pow n 3.0)))))
(- (- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n))) 1.0))
| ival-hi: contract violation expected: ival? given: #<procedure:interval> | L | C | |
|---|---|---|---|
| for-loop | /data/pavpan/nightlies/herbie/ival-find-range/src/sampling.rkt | 37 | 11 |
| hyperrect-weight | /data/pavpan/nightlies/herbie/ival-find-range/src/sampling.rkt | 36 | 0 |
| total-weight | /data/pavpan/nightlies/herbie/ival-find-range/src/sampling.rkt | 113 | 2 |
| log-space-improvement | /data/pavpan/nightlies/herbie/ival-find-range/src/sampling.rkt | 110 | 0 |
| (unnamed) | /opt/racket-7.5/collects/racket/contract/private/arrow-higher-order.rkt | 375 | 33 |
| get-hyperrects | /data/pavpan/nightlies/herbie/ival-find-range/src/sampling.rkt | 123 | 0 |
| make-sampler | /data/pavpan/nightlies/herbie/ival-find-range/src/sampling.rkt | 147 | 0 |
| prepare-points-intervals | /data/pavpan/nightlies/herbie/ival-find-range/src/points.rkt | 90 | 0 |
| run-improve47 | /data/pavpan/nightlies/herbie/ival-find-range/src/mainloop.rkt | 365 | 0 |
| .../more-scheme.rkt:261:28 | unknown | ||
| run | /opt/racket-7.5/share/pkgs/profile-lib/main.rkt | 39 | 2 |
| profile-thunk16 | /opt/racket-7.5/share/pkgs/profile-lib/main.rkt | 9 | 0 |
| (unnamed) | /opt/racket-7.5/collects/racket/private/more-scheme.rkt | 261 | 28 |
herbie shell --seed 2020165
(FPCore (n)
:name "logs (example 3.8)"
:precision binary64
:pre (> n 6.8e+15)
:herbie-target
(- (log (+ n 1.0)) (- (/ 1.0 (* 2.0 n)) (- (/ 1.0 (* 3.0 (* n n))) (/ 4.0 (pow n 3.0)))))
(- (- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n))) 1.0))