\[\frac{60 \cdot \left(x - y\right)}{z - t} + a \cdot 120\]

\frac{60 \cdot \left(x - y\right)}{z - t} + a \cdot 120

double f(double x, double y, double z, double t, double a) {
        double r9132 = 60.0;
        double r9133 = x;
        double r9134 = y;
        double r9135 = r9133 - r9134;
        double r9136 = r9132 * r9135;
        double r9137 = z;
        double r9138 = t;
        double r9139 = r9137 - r9138;
        double r9140 = r9136 / r9139;
        double r9141 = a;
        double r9142 = 120.0;
        double r9143 = r9141 * r9142;
        double r9144 = r9140 + r9143;
        return r9144;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 
(FPCore (x y z t a)
  :name "Data.Colour.RGB:hslsv from colour-2.3.3, B"

  :herbie-target
  (+ (/ 60.0 (/ (- z t) (- x y))) (* a 120.0))

  (+ (/ (* 60.0 (- x y)) (- z t)) (* a 120.0)))

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