\[w0 \cdot \sqrt{1 - {\left(\frac{M \cdot D}{2 \cdot d}\right)}^{2} \cdot \frac{h}{\ell}}\]

w0 \cdot \sqrt{1 - {\left(\frac{M \cdot D}{2 \cdot d}\right)}^{2} \cdot \frac{h}{\ell}}

double f(double w0, double M, double D, double h, double l, double d) {
        double r134022 = w0;
        double r134023 = 1.0;
        double r134024 = M;
        double r134025 = D;
        double r134026 = r134024 * r134025;
        double r134027 = 2.0;
        double r134028 = d;
        double r134029 = r134027 * r134028;
        double r134030 = r134026 / r134029;
        double r134031 = pow(r134030, r134027);
        double r134032 = h;
        double r134033 = l;
        double r134034 = r134032 / r134033;
        double r134035 = r134031 * r134034;
        double r134036 = r134023 - r134035;
        double r134037 = sqrt(r134036);
        double r134038 = r134022 * r134037;
        return r134038;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019323 
(FPCore (w0 M D h l d)
  :name "Henrywood and Agarwal, Equation (9a)"
  :precision binary64
  (* w0 (sqrt (- 1 (* (pow (/ (* M D) (* 2 d)) 2) (/ h l))))))

Backtrace

get-representation: Unknown representation real		L	C
(unnamed)	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/core/regimes.rkt	65	3
filter	/opt/racket-7.2/collects/racket/private/list.rkt	256	2
infer-splitpoints	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/core/regimes.rkt	34	0
get-final-combination	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/mainloop.rkt	369	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28
run	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28