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

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

double f(double x) {
        double r8247 = 100.0;
        double r8248 = x;
        double r8249 = r8248 - r8248;
        double r8250 = r8249 / r8248;
        double r8251 = r8247 * r8250;
        return r8251;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 
(FPCore (x)
  :name "ReportTypes:explainFloat from gipeda-0.1.2.1"

  :herbie-target
  0.0

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

Backtrace

get-representation: Unknown representation #f		L	C
loop	/data/pavpan/nightlies/herbie/interface2/src/points.rkt	122	4
prepare-points	/data/pavpan/nightlies/herbie/interface2/src/points.rkt	146	0
setup-prog!34	/data/pavpan/nightlies/herbie/interface2/src/mainloop.rkt	67	0
run-improve43	/data/pavpan/nightlies/herbie/interface2/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