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

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

double f(double x, double y, double z, double t, double a, double b, double c, double i, double j) {
        double r8031 = x;
        double r8032 = y;
        double r8033 = z;
        double r8034 = r8032 * r8033;
        double r8035 = t;
        double r8036 = a;
        double r8037 = r8035 * r8036;
        double r8038 = r8034 - r8037;
        double r8039 = r8031 * r8038;
        double r8040 = b;
        double r8041 = c;
        double r8042 = r8041 * r8033;
        double r8043 = i;
        double r8044 = r8043 * r8036;
        double r8045 = r8042 - r8044;
        double r8046 = r8040 * r8045;
        double r8047 = r8039 - r8046;
        double r8048 = j;
        double r8049 = r8041 * r8035;
        double r8050 = r8043 * r8032;
        double r8051 = r8049 - r8050;
        double r8052 = r8048 * r8051;
        double r8053 = r8047 + r8052;
        return r8053;
}

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 j)
  :name "Linear.Matrix:det33 from linear-1.19.1.3"
  (+ (- (* x (- (* y z) (* t a))) (* b (- (* c z) (* i a)))) (* j (- (* c t) (* i y)))))

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