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

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

double f(double x, double y, double z, double t) {
        double r29868779 = 1.0;
        double r29868780 = x;
        double r29868781 = y;
        double r29868782 = z;
        double r29868783 = r29868781 - r29868782;
        double r29868784 = t;
        double r29868785 = r29868781 - r29868784;
        double r29868786 = r29868783 * r29868785;
        double r29868787 = r29868780 / r29868786;
        double r29868788 = r29868779 - r29868787;
        return r29868788;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019173 
(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

hash-ref: no value found for key key: #<enode 556(556)>		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-iter!	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	320	0
for-loop	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	354	4
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