\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)\begin{array}{l}
\mathbf{if}\;\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}{d \cdot 2}\right)}^{2}\right) \cdot \frac{h}{\ell}\right) \leq -\infty:\\
\;\;\;\;1 \cdot \left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}} \cdot \frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{1}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)}\right)\right)\right) - h \cdot \left(\left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}} \cdot \frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{1}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)}\right)\right)\right) \cdot \left(\frac{1}{2} \cdot \frac{{\left(M \cdot \frac{D}{d \cdot 2}\right)}^{2}}{\ell}\right)\right)\\
\mathbf{elif}\;\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}{d \cdot 2}\right)}^{2}\right) \cdot \frac{h}{\ell}\right) \leq -7.261960608822256 \cdot 10^{-216}:\\
\;\;\;\;\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}{d \cdot 2}\right)}^{2}\right) \cdot \frac{h}{\ell}\right)\\
\mathbf{elif}\;\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}{d \cdot 2}\right)}^{2}\right) \cdot \frac{h}{\ell}\right) \leq \infty:\\
\;\;\;\;\left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}} \cdot \frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)}\right) \cdot \left(\left({\left(\frac{1}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)}\right) \cdot \left(1 - h \cdot \left(\frac{1}{2} \cdot \left(\sqrt[3]{\frac{{\left(M \cdot \frac{D}{d \cdot 2}\right)}^{2}}{\ell}} \cdot \left(\sqrt[3]{\frac{{\left(M \cdot \frac{D}{d \cdot 2}\right)}^{2}}{\ell}} \cdot \sqrt[3]{\frac{{\left(M \cdot \frac{D}{d \cdot 2}\right)}^{2}}{\ell}}\right)\right)\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;1 \cdot \left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}} \cdot \frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{1}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)}\right)\right)\right) - h \cdot \left(\left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}} \cdot \frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{\sqrt[3]{d}}{\sqrt[3]{h}}\right)}^{\left(\frac{1}{2}\right)} \cdot \left({\left(\frac{1}{\sqrt[3]{\ell} \cdot \sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)} \cdot {\left(\frac{d}{\sqrt[3]{\ell}}\right)}^{\left(\frac{1}{2}\right)}\right)\right)\right) \cdot \left(\frac{1}{2} \cdot \frac{{\left(M \cdot \frac{D}{d \cdot 2}\right)}^{2}}{\ell}\right)\right)\\
\end{array}(FPCore (d h l M D) :precision binary64 (* (* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0))) (- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* 2.0 d)) 2.0)) (/ h l)))))
(FPCore (d h l M D)
:precision binary64
(if (<=
(*
(* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0)))
(- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* d 2.0)) 2.0)) (/ h l))))
(- INFINITY))
(-
(*
1.0
(*
(pow (* (/ (cbrt d) (cbrt h)) (/ (cbrt d) (cbrt h))) (/ 1.0 2.0))
(*
(pow (/ (cbrt d) (cbrt h)) (/ 1.0 2.0))
(*
(pow (/ 1.0 (* (cbrt l) (cbrt l))) (/ 1.0 2.0))
(pow (/ d (cbrt l)) (/ 1.0 2.0))))))
(*
h
(*
(*
(pow (* (/ (cbrt d) (cbrt h)) (/ (cbrt d) (cbrt h))) (/ 1.0 2.0))
(*
(pow (/ (cbrt d) (cbrt h)) (/ 1.0 2.0))
(*
(pow (/ 1.0 (* (cbrt l) (cbrt l))) (/ 1.0 2.0))
(pow (/ d (cbrt l)) (/ 1.0 2.0)))))
(* (/ 1.0 2.0) (/ (pow (* M (/ D (* d 2.0))) 2.0) l)))))
(if (<=
(*
(* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0)))
(- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* d 2.0)) 2.0)) (/ h l))))
-7.261960608822256e-216)
(*
(* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0)))
(- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* d 2.0)) 2.0)) (/ h l))))
(if (<=
(*
(* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0)))
(- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* d 2.0)) 2.0)) (/ h l))))
INFINITY)
(*
(*
(pow (* (/ (cbrt d) (cbrt h)) (/ (cbrt d) (cbrt h))) (/ 1.0 2.0))
(pow (/ (cbrt d) (cbrt h)) (/ 1.0 2.0)))
(*
(*
(pow (/ 1.0 (* (cbrt l) (cbrt l))) (/ 1.0 2.0))
(pow (/ d (cbrt l)) (/ 1.0 2.0)))
(-
1.0
(*
h
(*
(/ 1.0 2.0)
(*
(cbrt (/ (pow (* M (/ D (* d 2.0))) 2.0) l))
(*
(cbrt (/ (pow (* M (/ D (* d 2.0))) 2.0) l))
(cbrt (/ (pow (* M (/ D (* d 2.0))) 2.0) l)))))))))
(-
(*
1.0
(*
(pow (* (/ (cbrt d) (cbrt h)) (/ (cbrt d) (cbrt h))) (/ 1.0 2.0))
(*
(pow (/ (cbrt d) (cbrt h)) (/ 1.0 2.0))
(*
(pow (/ 1.0 (* (cbrt l) (cbrt l))) (/ 1.0 2.0))
(pow (/ d (cbrt l)) (/ 1.0 2.0))))))
(*
h
(*
(*
(pow (* (/ (cbrt d) (cbrt h)) (/ (cbrt d) (cbrt h))) (/ 1.0 2.0))
(*
(pow (/ (cbrt d) (cbrt h)) (/ 1.0 2.0))
(*
(pow (/ 1.0 (* (cbrt l) (cbrt l))) (/ 1.0 2.0))
(pow (/ d (cbrt l)) (/ 1.0 2.0)))))
(* (/ 1.0 2.0) (/ (pow (* M (/ D (* d 2.0))) 2.0) l)))))))))double code(double d, double h, double l, double M, double D) {
return ((double) (((double) (((double) pow((d / h), (1.0 / 2.0))) * ((double) pow((d / l), (1.0 / 2.0))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (2.0 * d))), 2.0)))) * (h / l)))))));
}
double code(double d, double h, double l, double M, double D) {
double tmp;
if ((((double) (((double) (((double) pow((d / h), (1.0 / 2.0))) * ((double) pow((d / l), (1.0 / 2.0))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (d * 2.0))), 2.0)))) * (h / l))))))) <= ((double) -(((double) INFINITY))))) {
tmp = ((double) (((double) (1.0 * ((double) (((double) pow(((double) ((((double) cbrt(d)) / ((double) cbrt(h))) * (((double) cbrt(d)) / ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) (((double) pow((((double) cbrt(d)) / ((double) cbrt(h))), (1.0 / 2.0))) * ((double) (((double) pow((1.0 / ((double) (((double) cbrt(l)) * ((double) cbrt(l))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(l))), (1.0 / 2.0))))))))))) - ((double) (h * ((double) (((double) (((double) pow(((double) ((((double) cbrt(d)) / ((double) cbrt(h))) * (((double) cbrt(d)) / ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) (((double) pow((((double) cbrt(d)) / ((double) cbrt(h))), (1.0 / 2.0))) * ((double) (((double) pow((1.0 / ((double) (((double) cbrt(l)) * ((double) cbrt(l))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(l))), (1.0 / 2.0))))))))) * ((double) ((1.0 / 2.0) * (((double) pow(((double) (M * (D / ((double) (d * 2.0))))), 2.0)) / l)))))))));
} else {
double tmp_1;
if ((((double) (((double) (((double) pow((d / h), (1.0 / 2.0))) * ((double) pow((d / l), (1.0 / 2.0))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (d * 2.0))), 2.0)))) * (h / l))))))) <= -7.261960608822256e-216)) {
tmp_1 = ((double) (((double) (((double) pow((d / h), (1.0 / 2.0))) * ((double) pow((d / l), (1.0 / 2.0))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (d * 2.0))), 2.0)))) * (h / l)))))));
} else {
double tmp_2;
if ((((double) (((double) (((double) pow((d / h), (1.0 / 2.0))) * ((double) pow((d / l), (1.0 / 2.0))))) * ((double) (1.0 - ((double) (((double) ((1.0 / 2.0) * ((double) pow((((double) (M * D)) / ((double) (d * 2.0))), 2.0)))) * (h / l))))))) <= ((double) INFINITY))) {
tmp_2 = ((double) (((double) (((double) pow(((double) ((((double) cbrt(d)) / ((double) cbrt(h))) * (((double) cbrt(d)) / ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) pow((((double) cbrt(d)) / ((double) cbrt(h))), (1.0 / 2.0))))) * ((double) (((double) (((double) pow((1.0 / ((double) (((double) cbrt(l)) * ((double) cbrt(l))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(l))), (1.0 / 2.0))))) * ((double) (1.0 - ((double) (h * ((double) ((1.0 / 2.0) * ((double) (((double) cbrt((((double) pow(((double) (M * (D / ((double) (d * 2.0))))), 2.0)) / l))) * ((double) (((double) cbrt((((double) pow(((double) (M * (D / ((double) (d * 2.0))))), 2.0)) / l))) * ((double) cbrt((((double) pow(((double) (M * (D / ((double) (d * 2.0))))), 2.0)) / l)))))))))))))))));
} else {
tmp_2 = ((double) (((double) (1.0 * ((double) (((double) pow(((double) ((((double) cbrt(d)) / ((double) cbrt(h))) * (((double) cbrt(d)) / ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) (((double) pow((((double) cbrt(d)) / ((double) cbrt(h))), (1.0 / 2.0))) * ((double) (((double) pow((1.0 / ((double) (((double) cbrt(l)) * ((double) cbrt(l))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(l))), (1.0 / 2.0))))))))))) - ((double) (h * ((double) (((double) (((double) pow(((double) ((((double) cbrt(d)) / ((double) cbrt(h))) * (((double) cbrt(d)) / ((double) cbrt(h))))), (1.0 / 2.0))) * ((double) (((double) pow((((double) cbrt(d)) / ((double) cbrt(h))), (1.0 / 2.0))) * ((double) (((double) pow((1.0 / ((double) (((double) cbrt(l)) * ((double) cbrt(l))))), (1.0 / 2.0))) * ((double) pow((d / ((double) cbrt(l))), (1.0 / 2.0))))))))) * ((double) ((1.0 / 2.0) * (((double) pow(((double) (M * (D / ((double) (d * 2.0))))), 2.0)) / l)))))))));
}
tmp_1 = tmp_2;
}
tmp = tmp_1;
}
return tmp;
}



Bits error versus d



Bits error versus h



Bits error versus l



Bits error versus M



Bits error versus D
Results
if (* (* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0))) (- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* 2.0 d)) 2.0)) (/ h l)))) < -inf.0 or +inf.0 < (* (* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0))) (- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* 2.0 d)) 2.0)) (/ h l)))) Initial program Error: 64.0 bits
SimplifiedError: 57.0 bits
rmApplied add-cube-cbrtError: 57.0 bits
Applied add-cube-cbrtError: 57.1 bits
Applied times-fracError: 57.1 bits
Applied unpow-prod-downError: 54.5 bits
SimplifiedError: 54.5 bits
rmApplied add-cube-cbrtError: 54.5 bits
Applied *-un-lft-identityError: 54.5 bits
Applied times-fracError: 54.5 bits
Applied unpow-prod-downError: 49.2 bits
rmApplied sub-negError: 49.2 bits
Applied distribute-lft-inError: 49.2 bits
Applied distribute-lft-inError: 49.2 bits
SimplifiedError: 49.1 bits
SimplifiedError: 45.3 bits
if -inf.0 < (* (* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0))) (- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* 2.0 d)) 2.0)) (/ h l)))) < -7.2619606088222562e-216Initial program Error: 1.4 bits
if -7.2619606088222562e-216 < (* (* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0))) (- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* 2.0 d)) 2.0)) (/ h l)))) < +inf.0Initial program Error: 17.2 bits
SimplifiedError: 17.4 bits
rmApplied add-cube-cbrtError: 17.8 bits
Applied add-cube-cbrtError: 17.9 bits
Applied times-fracError: 17.9 bits
Applied unpow-prod-downError: 9.3 bits
SimplifiedError: 9.3 bits
rmApplied add-cube-cbrtError: 9.4 bits
Applied *-un-lft-identityError: 9.4 bits
Applied times-fracError: 9.4 bits
Applied unpow-prod-downError: 3.6 bits
rmApplied add-cube-cbrtError: 3.6 bits
SimplifiedError: 3.6 bits
SimplifiedError: 3.6 bits
Final simplificationError: 13.3 bits
herbie shell --seed 2020203
(FPCore (d h l M D)
:name "Henrywood and Agarwal, Equation (12)"
:precision binary64
(* (* (pow (/ d h) (/ 1.0 2.0)) (pow (/ d l) (/ 1.0 2.0))) (- 1.0 (* (* (/ 1.0 2.0) (pow (/ (* M D) (* 2.0 d)) 2.0)) (/ h l)))))