\[\frac{\sin ky}{\sqrt{{\left(\sin kx\right)}^{2} + {\left(\sin ky\right)}^{2}}} \cdot \sin th\]

\frac{\sin ky}{\sqrt{{\left(\sin kx\right)}^{2} + {\left(\sin ky\right)}^{2}}} \cdot \sin th

double f(double kx, double ky, double th) {
        double r7977 = ky;
        double r7978 = sin(r7977);
        double r7979 = kx;
        double r7980 = sin(r7979);
        double r7981 = 2.0;
        double r7982 = pow(r7980, r7981);
        double r7983 = pow(r7978, r7981);
        double r7984 = r7982 + r7983;
        double r7985 = sqrt(r7984);
        double r7986 = r7978 / r7985;
        double r7987 = th;
        double r7988 = sin(r7987);
        double r7989 = r7986 * r7988;
        return r7989;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 
(FPCore (kx ky th)
  :name "Toniolo and Linder, Equation (3b), real"
  (* (/ (sin ky) (sqrt (+ (pow (sin kx) 2.0) (pow (sin ky) 2.0)))) (sin th)))

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