\[\cos \left(\frac{K \cdot \left(m + n\right)}{2} - M\right) \cdot e^{\left(-{\left(\frac{m + n}{2} - M\right)}^{2}\right) - \left(\ell - \left|m - n\right|\right)}\]

\cos \left(\frac{K \cdot \left(m + n\right)}{2} - M\right) \cdot e^{\left(-{\left(\frac{m + n}{2} - M\right)}^{2}\right) - \left(\ell - \left|m - n\right|\right)}

double f(double K, double m, double n, double M, double l) {
        double r8298 = K;
        double r8299 = m;
        double r8300 = n;
        double r8301 = r8299 + r8300;
        double r8302 = r8298 * r8301;
        double r8303 = 2.0;
        double r8304 = r8302 / r8303;
        double r8305 = M;
        double r8306 = r8304 - r8305;
        double r8307 = cos(r8306);
        double r8308 = r8301 / r8303;
        double r8309 = r8308 - r8305;
        double r8310 = pow(r8309, r8303);
        double r8311 = -r8310;
        double r8312 = l;
        double r8313 = r8299 - r8300;
        double r8314 = fabs(r8313);
        double r8315 = r8312 - r8314;
        double r8316 = r8311 - r8315;
        double r8317 = exp(r8316);
        double r8318 = r8307 * r8317;
        return r8318;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019191 
(FPCore (K m n M l)
  :name "Maksimov and Kolovsky, Equation (32)"
  (* (cos (- (/ (* K (+ m n)) 2.0) M)) (exp (- (- (pow (- (/ (+ m n) 2.0) M) 2.0)) (- l (fabs (- m n)))))))

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