\[\left({\left(a \cdot a + b \cdot b\right)}^{2} + 4 \cdot \left(\left(a \cdot a\right) \cdot \left(1 + a\right) + \left(b \cdot b\right) \cdot \left(1 - 3 \cdot a\right)\right)\right) - 1\]

\left({\left(a \cdot a + b \cdot b\right)}^{2} + 4 \cdot \left(\left(a \cdot a\right) \cdot \left(1 + a\right) + \left(b \cdot b\right) \cdot \left(1 - 3 \cdot a\right)\right)\right) - 1

double f(double a, double b) {
        double r8758 = a;
        double r8759 = r8758 * r8758;
        double r8760 = b;
        double r8761 = r8760 * r8760;
        double r8762 = r8759 + r8761;
        double r8763 = 2.0;
        double r8764 = pow(r8762, r8763);
        double r8765 = 4.0;
        double r8766 = 1.0;
        double r8767 = r8766 + r8758;
        double r8768 = r8759 * r8767;
        double r8769 = 3.0;
        double r8770 = r8769 * r8758;
        double r8771 = r8766 - r8770;
        double r8772 = r8761 * r8771;
        double r8773 = r8768 + r8772;
        double r8774 = r8765 * r8773;
        double r8775 = r8764 + r8774;
        double r8776 = r8775 - r8766;
        return r8776;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 
(FPCore (a b)
  :name "Bouland and Aaronson, Equation (25)"
  (- (+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (+ (* (* a a) (+ 1.0 a)) (* (* b b) (- 1.0 (* 3.0 a)))))) 1.0))

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