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

\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 r8287 = x;
        double r8288 = y;
        double r8289 = log(r8288);
        double r8290 = r8287 * r8289;
        double r8291 = z;
        double r8292 = r8290 + r8291;
        double r8293 = t;
        double r8294 = r8292 + r8293;
        double r8295 = a;
        double r8296 = r8294 + r8295;
        double r8297 = b;
        double r8298 = 0.5;
        double r8299 = r8297 - r8298;
        double r8300 = c;
        double r8301 = log(r8300);
        double r8302 = r8299 * r8301;
        double r8303 = r8296 + r8302;
        double r8304 = i;
        double r8305 = r8288 * r8304;
        double r8306 = r8303 + r8305;
        return r8306;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 +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

get-representation: Unknown representation #f		L	C
loop	/data/pavpan/nightlies/herbie/interface2/src/points.rkt	122	4
prepare-points	/data/pavpan/nightlies/herbie/interface2/src/points.rkt	146	0
setup-prog!34	/data/pavpan/nightlies/herbie/interface2/src/mainloop.rkt	67	0
run-improve43	/data/pavpan/nightlies/herbie/interface2/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