\[\frac{\left(\left(\left(x \cdot y + z\right) \cdot y + 27464.764470499998\right) \cdot y + 230661.510616000014\right) \cdot y + t}{\left(\left(\left(y + a\right) \cdot y + b\right) \cdot y + c\right) \cdot y + i}\]

\frac{\left(\left(\left(x \cdot y + z\right) \cdot y + 27464.764470499998\right) \cdot y + 230661.510616000014\right) \cdot y + t}{\left(\left(\left(y + a\right) \cdot y + b\right) \cdot y + c\right) \cdot y + i}

double f(double x, double y, double z, double t, double a, double b, double c, double i) {
        double r8193 = x;
        double r8194 = y;
        double r8195 = r8193 * r8194;
        double r8196 = z;
        double r8197 = r8195 + r8196;
        double r8198 = r8197 * r8194;
        double r8199 = 27464.7644705;
        double r8200 = r8198 + r8199;
        double r8201 = r8200 * r8194;
        double r8202 = 230661.510616;
        double r8203 = r8201 + r8202;
        double r8204 = r8203 * r8194;
        double r8205 = t;
        double r8206 = r8204 + r8205;
        double r8207 = a;
        double r8208 = r8194 + r8207;
        double r8209 = r8208 * r8194;
        double r8210 = b;
        double r8211 = r8209 + r8210;
        double r8212 = r8211 * r8194;
        double r8213 = c;
        double r8214 = r8212 + r8213;
        double r8215 = r8214 * r8194;
        double r8216 = i;
        double r8217 = r8215 + r8216;
        double r8218 = r8206 / r8217;
        return r8218;
}

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:logGamma from math-functions-0.1.5.2"
  (/ (+ (* (+ (* (+ (* (+ (* x y) z) y) 27464.7644705) y) 230661.510616) y) t) (+ (* (+ (* (+ (* (+ y a) y) b) y) 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