\[\left(d1 \cdot 10 + d1 \cdot d2\right) + d1 \cdot 20\]

\left(d1 \cdot 10 + d1 \cdot d2\right) + d1 \cdot 20

double f(double d1, double d2) {
        double r8465 = d1;
        double r8466 = 10.0;
        double r8467 = r8465 * r8466;
        double r8468 = d2;
        double r8469 = r8465 * r8468;
        double r8470 = r8467 + r8469;
        double r8471 = 20.0;
        double r8472 = r8465 * r8471;
        double r8473 = r8470 + r8472;
        return r8473;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019194 
(FPCore (d1 d2)
  :name "FastMath test2"

  :herbie-target
  (* d1 (+ 30.0 d2))

  (+ (+ (* d1 10.0) (* d1 d2)) (* d1 20.0)))

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	220	0
run-improve47	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	342	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