Exception for Henrywood and Agarwal, Equation (12)

• Falling back on racket egraph because egg-herbie package not installed

Math

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

C

double f(double d, double h, double l, double M, double D) {
        double r109169 = d;
        double r109170 = h;
        double r109171 = r109169 / r109170;
        double r109172 = 1.0;
        double r109173 = 2.0;
        double r109174 = r109172 / r109173;
        double r109175 = pow(r109171, r109174);
        double r109176 = l;
        double r109177 = r109169 / r109176;
        double r109178 = pow(r109177, r109174);
        double r109179 = r109175 * r109178;
        double r109180 = M;
        double r109181 = D;
        double r109182 = r109180 * r109181;
        double r109183 = r109173 * r109169;
        double r109184 = r109182 / r109183;
        double r109185 = pow(r109184, r109173);
        double r109186 = r109174 * r109185;
        double r109187 = r109170 / r109176;
        double r109188 = r109186 * r109187;
        double r109189 = r109172 - r109188;
        double r109190 = r109179 * r109189;
        return r109190;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2020045 
(FPCore (d h l M D)
  :name "Henrywood and Agarwal, Equation (12)"
  :precision binary64
  (* (* (pow (/ d h) (/ 1 2)) (pow (/ d l) (/ 1 2))) (- 1 (* (* (/ 1 2) (pow (/ (* M D) (* 2 d)) 2)) (/ h l)))))

Backtrace

hash-ref: no value found for key key: '(* #<enode 242(242)> #<enode 5(729)>)		L	C
for-loop	/data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/egraph.rkt	270	6
update-leader!	/data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/egraph.rkt	265	0
for-loop	/data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/main.rkt	77	2
prune-phase	/data/pavpan/nightlies/herbie/simplify-regraph-rebuilding/regraph/main.rkt	74	0
for-loop	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/core/simplify.rkt	80	4
for-loop	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/core/simplify.rkt	76	2
(unnamed)	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/core/simplify.rkt	56	0
(unnamed)	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/core/simplify.rkt	38	0
simplify!	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/mainloop.rkt	224	0
run-iter!	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/mainloop.rkt	327	0
for-loop	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/mainloop.rkt	365	4
run-improve47	/data/pavpan/nightlies/herbie/simplify-upwards-no-duplicates/src/mainloop.rkt	346	0
.../more-scheme.rkt:261:28	unknown
run	/opt/racket-7.5/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.5/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.5/collects/racket/private/more-scheme.rkt	261	28