\[100 \cdot \frac{x - x}{x}\]

100 \cdot \frac{x - x}{x}

double f(double x) {
        double r57972692 = 100.0;
        double r57972693 = x;
        double r57972694 = r57972693 - r57972693;
        double r57972695 = r57972694 / r57972693;
        double r57972696 = r57972692 * r57972695;
        return r57972696;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019173 
(FPCore (x)
  :name "ReportTypes:explainFloat from gipeda-0.1.2.1"

  :herbie-target
  0.0

  (* 100.0 (/ (- x x) x)))

Backtrace

hash-ref: no value found for key key: #<enode 7(7)>		L	C
for-loop	/data/pavpan/nightlies/herbie/various-cleanup/src/core/simplify.rkt	197	2
extractor-extract	/data/pavpan/nightlies/herbie/various-cleanup/src/core/simplify.rkt	196	0
for-loop	/data/pavpan/nightlies/herbie/various-cleanup/src/core/simplify.rkt	35	2
(unnamed)	/data/pavpan/nightlies/herbie/various-cleanup/src/core/simplify.rkt	26	0
simplify!	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	217	0
run-improve43	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	339	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