\[\left(-x \cdot \frac{1}{\tan B}\right) + \frac{1}{\sin B}\]

\left(-x \cdot \frac{1}{\tan B}\right) + \frac{1}{\sin B}

double f(double B, double x) {
        double r1996740 = x;
        double r1996741 = 1.0;
        double r1996742 = B;
        double r1996743 = tan(r1996742);
        double r1996744 = r1996741 / r1996743;
        double r1996745 = r1996740 * r1996744;
        double r1996746 = -r1996745;
        double r1996747 = sin(r1996742);
        double r1996748 = r1996741 / r1996747;
        double r1996749 = r1996746 + r1996748;
        return r1996749;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019173 +o rules:numerics
(FPCore (B x)
  :name "VandenBroeck and Keller, Equation (24)"
  (+ (- (* x (/ 1.0 (tan B)))) (/ 1.0 (sin B))))

Backtrace

hash-ref: no value found for key key: #<enode 273(273)>		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