\[x + \frac{y \cdot \left(z - t\right)}{z - a}\]
x + \frac{y \cdot \left(z - t\right)}{z - a}
double f(double x, double y, double z, double t, double a) {
        double r9448 = x;
        double r9449 = y;
        double r9450 = z;
        double r9451 = t;
        double r9452 = r9450 - r9451;
        double r9453 = r9449 * r9452;
        double r9454 = a;
        double r9455 = r9450 - r9454;
        double r9456 = r9453 / r9455;
        double r9457 = r9448 + r9456;
        return r9457;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 +o rules:numerics
(FPCore (x y z t a)
  :name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisTicks from plot-0.2.3.4, A"

  :herbie-target
  (+ x (/ y (/ (- z a) (- z t))))

  (+ x (/ (* y (- z t)) (- z a))))

Backtrace

get-representation: Unknown representation #fLC
loop/data/pavpan/nightlies/herbie/interface2/src/points.rkt1224
prepare-points/data/pavpan/nightlies/herbie/interface2/src/points.rkt1460
setup-prog!34/data/pavpan/nightlies/herbie/interface2/src/mainloop.rkt670
run-improve43/data/pavpan/nightlies/herbie/interface2/src/mainloop.rkt3390
(unnamed)/opt/racket-7.0/collects/racket/private/more-scheme.rkt26128
run/opt/racket-7.0/share/pkgs/profile-lib/main.rkt392
profile-thunk16/opt/racket-7.0/share/pkgs/profile-lib/main.rkt90
(unnamed)/opt/racket-7.0/collects/racket/private/more-scheme.rkt26128