Exception for Falkner and Boettcher, Equation (22+)

Math

\[\frac{4}{\left(\left(3 \cdot \pi\right) \cdot \left(1 - v \cdot v\right)\right) \cdot \sqrt{2 - 6 \cdot \left(v \cdot v\right)}}\]

C

double f(double v) {
        double r8352 = 4.0;
        double r8353 = 3.0;
        double r8354 = atan2(1.0, 0.0);
        double r8355 = r8353 * r8354;
        double r8356 = 1.0;
        double r8357 = v;
        double r8358 = r8357 * r8357;
        double r8359 = r8356 - r8358;
        double r8360 = r8355 * r8359;
        double r8361 = 2.0;
        double r8362 = 6.0;
        double r8363 = r8362 * r8358;
        double r8364 = r8361 - r8363;
        double r8365 = sqrt(r8364);
        double r8366 = r8360 * r8365;
        double r8367 = r8352 / r8366;
        return r8367;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019179 
(FPCore (v)
  :name "Falkner and Boettcher, Equation (22+)"
  (/ 4.0 (* (* (* 3.0 PI) (- 1.0 (* v v))) (sqrt (- 2.0 (* 6.0 (* v v)))))))

Backtrace

result arity mismatch; expected number of values not received expected: 2 received: 1 in: local-binding form values...: 0		L	C
loop	/data/pavpan/nightlies/herbie/various-cleanup/src/core/extraction.rkt	25	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-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