Timeout in 10.0m

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\[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)}\]
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) - 1\right)}
double f(double t, double l, double k) {
        double r62905045 = 2.0;
        double r62905046 = t;
        double r62905047 = 3.0;
        double r62905048 = pow(r62905046, r62905047);
        double r62905049 = l;
        double r62905050 = r62905049 * r62905049;
        double r62905051 = r62905048 / r62905050;
        double r62905052 = k;
        double r62905053 = sin(r62905052);
        double r62905054 = r62905051 * r62905053;
        double r62905055 = tan(r62905052);
        double r62905056 = r62905054 * r62905055;
        double r62905057 = 1.0;
        double r62905058 = r62905052 / r62905046;
        double r62905059 = pow(r62905058, r62905045);
        double r62905060 = r62905057 + r62905059;
        double r62905061 = r62905060 - r62905057;
        double r62905062 = r62905056 * r62905061;
        double r62905063 = r62905045 / r62905062;
        return r62905063;
}

Reproduce

herbie shell --seed 2019121 +o rules:numerics
(FPCore (t l k)
  :name "Toniolo and Linder, Equation (10-)"
  (/ 2 (* (* (* (/ (pow t 3) (* l l)) (sin k)) (tan k)) (- (+ 1 (pow (/ k t) 2)) 1))))