\log \left(N + 1\right) - \log N
double f(double N) {
double r3998 = N;
double r3999 = 1.0;
double r4000 = r3998 + r3999;
double r4001 = log(r4000);
double r4002 = log(r3998);
double r4003 = r4001 - r4002;
return r4003;
}
Please include this information when filing a bug report:
herbie shell --seed 2020045 +o rules:numerics
(FPCore (N)
:name "2log (problem 3.3.6)"
:precision binary64
(- (log (+ N 1)) (log N)))
| hash-ref: no value found for key key: '(pow #<enode 90(90)> #<enode 14(634)>) | L | C | |
|---|---|---|---|
| for-loop | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/egraph.rkt | 270 | 6 |
| update-leader! | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/egraph.rkt | 265 | 0 |
| for-loop | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/main.rkt | 77 | 2 |
| prune-phase | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/main.rkt | 74 | 0 |
| for-loop | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/core/simplify.rkt | 80 | 4 |
| for-loop | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/core/simplify.rkt | 76 | 2 |
| (unnamed) | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/core/simplify.rkt | 56 | 0 |
| (unnamed) | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/core/simplify.rkt | 38 | 0 |
| simplify! | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/mainloop.rkt | 224 | 0 |
| run-iter! | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/mainloop.rkt | 327 | 0 |
| for-loop | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/mainloop.rkt | 365 | 4 |
| run-improve47 | /data/pavpan/nightlies/herbie/simplify-regraph-rebuilding-2/src/mainloop.rkt | 346 | 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 |