\[\left(\frac{1}{8} \cdot x - \frac{y \cdot z}{2}\right) + t\]

\left(\frac{1}{8} \cdot x - \frac{y \cdot z}{2}\right) + t

double f(double x, double y, double z, double t) {
        double r9265 = 1.0;
        double r9266 = 8.0;
        double r9267 = r9265 / r9266;
        double r9268 = x;
        double r9269 = r9267 * r9268;
        double r9270 = y;
        double r9271 = z;
        double r9272 = r9270 * r9271;
        double r9273 = 2.0;
        double r9274 = r9272 / r9273;
        double r9275 = r9269 - r9274;
        double r9276 = t;
        double r9277 = r9275 + r9276;
        return r9277;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019179 +o rules:numerics
(FPCore (x y z t)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, B"

  :herbie-target
  (- (+ (/ x 8.0) t) (* (/ z 2.0) y))

  (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))

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