\[1 - \frac{x}{\left(y - z\right) \cdot \left(y - t\right)}\]

1 - \frac{x}{\left(y - z\right) \cdot \left(y - t\right)}

double f(double x, double y, double z, double t) {
        double r8041 = 1.0;
        double r8042 = x;
        double r8043 = y;
        double r8044 = z;
        double r8045 = r8043 - r8044;
        double r8046 = t;
        double r8047 = r8043 - r8046;
        double r8048 = r8045 * r8047;
        double r8049 = r8042 / r8048;
        double r8050 = r8041 - r8049;
        return r8050;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 
(FPCore (x y z t)
  :name "Data.Random.Distribution.Triangular:triangularCDF from random-fu-0.2.6.2, A"
  (- 1.0 (/ x (* (- y z) (- y t)))))

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