\[\left(\left(\left(\left(x \cdot \log y + z\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot i\]

\left(\left(\left(\left(x \cdot \log y + z\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot i

double f(double x, double y, double z, double t, double a, double b, double c, double i) {
        double r8348 = x;
        double r8349 = y;
        double r8350 = log(r8349);
        double r8351 = r8348 * r8350;
        double r8352 = z;
        double r8353 = r8351 + r8352;
        double r8354 = t;
        double r8355 = r8353 + r8354;
        double r8356 = a;
        double r8357 = r8355 + r8356;
        double r8358 = b;
        double r8359 = 0.5;
        double r8360 = r8358 - r8359;
        double r8361 = c;
        double r8362 = log(r8361);
        double r8363 = r8360 * r8362;
        double r8364 = r8357 + r8363;
        double r8365 = i;
        double r8366 = r8349 * r8365;
        double r8367 = r8364 + r8366;
        return r8367;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019179 +o rules:numerics
(FPCore (x y z t a b c i)
  :name "Numeric.SpecFunctions:logBeta from math-functions-0.1.5.2, B"
  (+ (+ (+ (+ (+ (* x (log y)) z) t) a) (* (- b 0.5) (log c))) (* y i)))

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