Exception for Jmat.Real.gamma, branch z greater than 0.5

• could not determine a ground truth for program body

  1. z = 3.9540437202843566e+32

Math

\[\left(\left(\sqrt{\pi \cdot 2} \cdot {\left(\left(\left(z - 1\right) + 7\right) + 0.5\right)}^{\left(\left(z - 1\right) + 0.5\right)}\right) \cdot e^{-\left(\left(\left(z - 1\right) + 7\right) + 0.5\right)}\right) \cdot \left(\left(\left(\left(\left(\left(\left(\left(0.99999999999980993 + \frac{676.520368121885099}{\left(z - 1\right) + 1}\right) + \frac{-1259.13921672240281}{\left(z - 1\right) + 2}\right) + \frac{771.32342877765313}{\left(z - 1\right) + 3}\right) + \frac{-176.615029162140587}{\left(z - 1\right) + 4}\right) + \frac{12.5073432786869052}{\left(z - 1\right) + 5}\right) + \frac{-0.138571095265720118}{\left(z - 1\right) + 6}\right) + \frac{9.98436957801957158 \cdot 10^{-6}}{\left(z - 1\right) + 7}\right) + \frac{1.50563273514931162 \cdot 10^{-7}}{\left(z - 1\right) + 8}\right)\]

C

double f(double z) {
        double r115523 = atan2(1.0, 0.0);
        double r115524 = 2.0;
        double r115525 = r115523 * r115524;
        double r115526 = sqrt(r115525);
        double r115527 = z;
        double r115528 = 1.0;
        double r115529 = r115527 - r115528;
        double r115530 = 7.0;
        double r115531 = r115529 + r115530;
        double r115532 = 0.5;
        double r115533 = r115531 + r115532;
        double r115534 = r115529 + r115532;
        double r115535 = pow(r115533, r115534);
        double r115536 = r115526 * r115535;
        double r115537 = -r115533;
        double r115538 = exp(r115537);
        double r115539 = r115536 * r115538;
        double r115540 = 0.9999999999998099;
        double r115541 = 676.5203681218851;
        double r115542 = r115529 + r115528;
        double r115543 = r115541 / r115542;
        double r115544 = r115540 + r115543;
        double r115545 = -1259.1392167224028;
        double r115546 = r115529 + r115524;
        double r115547 = r115545 / r115546;
        double r115548 = r115544 + r115547;
        double r115549 = 771.3234287776531;
        double r115550 = 3.0;
        double r115551 = r115529 + r115550;
        double r115552 = r115549 / r115551;
        double r115553 = r115548 + r115552;
        double r115554 = -176.6150291621406;
        double r115555 = 4.0;
        double r115556 = r115529 + r115555;
        double r115557 = r115554 / r115556;
        double r115558 = r115553 + r115557;
        double r115559 = 12.507343278686905;
        double r115560 = 5.0;
        double r115561 = r115529 + r115560;
        double r115562 = r115559 / r115561;
        double r115563 = r115558 + r115562;
        double r115564 = -0.13857109526572012;
        double r115565 = 6.0;
        double r115566 = r115529 + r115565;
        double r115567 = r115564 / r115566;
        double r115568 = r115563 + r115567;
        double r115569 = 9.984369578019572e-06;
        double r115570 = r115569 / r115531;
        double r115571 = r115568 + r115570;
        double r115572 = 1.5056327351493116e-07;
        double r115573 = 8.0;
        double r115574 = r115529 + r115573;
        double r115575 = r115572 / r115574;
        double r115576 = r115571 + r115575;
        double r115577 = r115539 * r115576;
        return r115577;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019195 +o rules:numerics
(FPCore (z)
  :name "Jmat.Real.gamma, branch z greater than 0.5"
  (* (* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (exp (- (+ (+ (- z 1.0) 7.0) 0.5)))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 (+ (- z 1.0) 1.0))) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0)))))

Backtrace

get-representation: Unknown representation #f		L	C
(unnamed)	/data/pavpan/nightlies/herbie/various-cleanup/src/core/localize.rkt	23	13
hash-ref!	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	376	2
map	/opt/racket-7.0/collects/racket/private/map.rkt	35	13
parse-loop30	/opt/racket-7.0/collects/racket/match/compiler.rkt	418	15
hash-ref!	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	376	2
map	/opt/racket-7.0/collects/racket/private/map.rkt	35	13
parse-loop30	/opt/racket-7.0/collects/racket/match/compiler.rkt	418	15
hash-ref!	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	376	2
map	/opt/racket-7.0/collects/racket/private/map.rkt	35	13
parse-loop30	/opt/racket-7.0/collects/racket/match/compiler.rkt	418	15
hash-ref!	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	376	2
map	/opt/racket-7.0/collects/racket/private/map.rkt	35	13
parse-loop30	/opt/racket-7.0/collects/racket/match/compiler.rkt	418	15
hash-ref!	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	376	2
map	/opt/racket-7.0/collects/racket/private/map.rkt	35	13
parse-loop30	/opt/racket-7.0/collects/racket/match/compiler.rkt	418	15
hash-ref!	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	376	2
localize-error	/data/pavpan/nightlies/herbie/various-cleanup/src/core/localize.rkt	61	0
localize!	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	123	0
run-iter!	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	323	0
for-loop	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	359	4
run-improve47	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	342	0
(unnamed)	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	261	28
run	/opt/racket-7.0/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.0/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	261	28