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

\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 r493711 = 60.0;
        double r493712 = x;
        double r493713 = y;
        double r493714 = r493712 - r493713;
        double r493715 = r493711 * r493714;
        double r493716 = z;
        double r493717 = t;
        double r493718 = r493716 - r493717;
        double r493719 = r493715 / r493718;
        double r493720 = a;
        double r493721 = 120.0;
        double r493722 = r493720 * r493721;
        double r493723 = r493719 + r493722;
        return r493723;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019323 
(FPCore (x y z t a)
  :name "Data.Colour.RGB:hslsv from colour-2.3.3, B"
  :precision binary64

  :herbie-target
  (+ (/ 60 (/ (- z t) (- x y))) (* a 120))

  (+ (/ (* 60 (- x y)) (- z t)) (* a 120)))

Backtrace

get-representation: Unknown representation real		L	C
(unnamed)	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/core/regimes.rkt	65	3
filter	/opt/racket-7.2/collects/racket/private/list.rkt	256	2
infer-splitpoints	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/core/regimes.rkt	34	0
get-final-combination	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/mainloop.rkt	369	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28
run	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28