
(FPCore (c0 w h D d M) :precision binary64 (let* ((t_0 (/ (* c0 (* d d)) (* (* w h) (* D D))))) (* (/ c0 (* 2.0 w)) (+ t_0 (sqrt (- (* t_0 t_0) (* M M)))))))
double code(double c0, double w, double h, double D, double d, double M) {
double t_0 = (c0 * (d * d)) / ((w * h) * (D * D));
return (c0 / (2.0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (M * M))));
}
real(8) function code(c0, w, h, d, d_1, m)
real(8), intent (in) :: c0
real(8), intent (in) :: w
real(8), intent (in) :: h
real(8), intent (in) :: d
real(8), intent (in) :: d_1
real(8), intent (in) :: m
real(8) :: t_0
t_0 = (c0 * (d_1 * d_1)) / ((w * h) * (d * d))
code = (c0 / (2.0d0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (m * m))))
end function
public static double code(double c0, double w, double h, double D, double d, double M) {
double t_0 = (c0 * (d * d)) / ((w * h) * (D * D));
return (c0 / (2.0 * w)) * (t_0 + Math.sqrt(((t_0 * t_0) - (M * M))));
}
def code(c0, w, h, D, d, M): t_0 = (c0 * (d * d)) / ((w * h) * (D * D)) return (c0 / (2.0 * w)) * (t_0 + math.sqrt(((t_0 * t_0) - (M * M))))
function code(c0, w, h, D, d, M) t_0 = Float64(Float64(c0 * Float64(d * d)) / Float64(Float64(w * h) * Float64(D * D))) return Float64(Float64(c0 / Float64(2.0 * w)) * Float64(t_0 + sqrt(Float64(Float64(t_0 * t_0) - Float64(M * M))))) end
function tmp = code(c0, w, h, D, d, M) t_0 = (c0 * (d * d)) / ((w * h) * (D * D)); tmp = (c0 / (2.0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (M * M)))); end
code[c0_, w_, h_, D_, d_, M_] := Block[{t$95$0 = N[(N[(c0 * N[(d * d), $MachinePrecision]), $MachinePrecision] / N[(N[(w * h), $MachinePrecision] * N[(D * D), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, N[(N[(c0 / N[(2.0 * w), $MachinePrecision]), $MachinePrecision] * N[(t$95$0 + N[Sqrt[N[(N[(t$95$0 * t$95$0), $MachinePrecision] - N[(M * M), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{c0 \cdot \left(d \cdot d\right)}{\left(w \cdot h\right) \cdot \left(D \cdot D\right)}\\
\frac{c0}{2 \cdot w} \cdot \left(t_0 + \sqrt{t_0 \cdot t_0 - M \cdot M}\right)
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 3 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (c0 w h D d M) :precision binary64 (let* ((t_0 (/ (* c0 (* d d)) (* (* w h) (* D D))))) (* (/ c0 (* 2.0 w)) (+ t_0 (sqrt (- (* t_0 t_0) (* M M)))))))
double code(double c0, double w, double h, double D, double d, double M) {
double t_0 = (c0 * (d * d)) / ((w * h) * (D * D));
return (c0 / (2.0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (M * M))));
}
real(8) function code(c0, w, h, d, d_1, m)
real(8), intent (in) :: c0
real(8), intent (in) :: w
real(8), intent (in) :: h
real(8), intent (in) :: d
real(8), intent (in) :: d_1
real(8), intent (in) :: m
real(8) :: t_0
t_0 = (c0 * (d_1 * d_1)) / ((w * h) * (d * d))
code = (c0 / (2.0d0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (m * m))))
end function
public static double code(double c0, double w, double h, double D, double d, double M) {
double t_0 = (c0 * (d * d)) / ((w * h) * (D * D));
return (c0 / (2.0 * w)) * (t_0 + Math.sqrt(((t_0 * t_0) - (M * M))));
}
def code(c0, w, h, D, d, M): t_0 = (c0 * (d * d)) / ((w * h) * (D * D)) return (c0 / (2.0 * w)) * (t_0 + math.sqrt(((t_0 * t_0) - (M * M))))
function code(c0, w, h, D, d, M) t_0 = Float64(Float64(c0 * Float64(d * d)) / Float64(Float64(w * h) * Float64(D * D))) return Float64(Float64(c0 / Float64(2.0 * w)) * Float64(t_0 + sqrt(Float64(Float64(t_0 * t_0) - Float64(M * M))))) end
function tmp = code(c0, w, h, D, d, M) t_0 = (c0 * (d * d)) / ((w * h) * (D * D)); tmp = (c0 / (2.0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (M * M)))); end
code[c0_, w_, h_, D_, d_, M_] := Block[{t$95$0 = N[(N[(c0 * N[(d * d), $MachinePrecision]), $MachinePrecision] / N[(N[(w * h), $MachinePrecision] * N[(D * D), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, N[(N[(c0 / N[(2.0 * w), $MachinePrecision]), $MachinePrecision] * N[(t$95$0 + N[Sqrt[N[(N[(t$95$0 * t$95$0), $MachinePrecision] - N[(M * M), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{c0 \cdot \left(d \cdot d\right)}{\left(w \cdot h\right) \cdot \left(D \cdot D\right)}\\
\frac{c0}{2 \cdot w} \cdot \left(t_0 + \sqrt{t_0 \cdot t_0 - M \cdot M}\right)
\end{array}
\end{array}
(FPCore (c0 w h D d M)
:precision binary64
(let* ((t_0 (/ (* c0 (* d d)) (* (* w h) (* D D)))))
(if (<=
(* (/ c0 (* 2.0 w)) (+ t_0 (sqrt (- (* t_0 t_0) (* M M)))))
INFINITY)
(* (/ c0 2.0) (/ (* 2.0 (/ (* c0 (/ d D)) (/ (* w h) (/ d D)))) w))
0.0)))
double code(double c0, double w, double h, double D, double d, double M) {
double t_0 = (c0 * (d * d)) / ((w * h) * (D * D));
double tmp;
if (((c0 / (2.0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (M * M))))) <= ((double) INFINITY)) {
tmp = (c0 / 2.0) * ((2.0 * ((c0 * (d / D)) / ((w * h) / (d / D)))) / w);
} else {
tmp = 0.0;
}
return tmp;
}
public static double code(double c0, double w, double h, double D, double d, double M) {
double t_0 = (c0 * (d * d)) / ((w * h) * (D * D));
double tmp;
if (((c0 / (2.0 * w)) * (t_0 + Math.sqrt(((t_0 * t_0) - (M * M))))) <= Double.POSITIVE_INFINITY) {
tmp = (c0 / 2.0) * ((2.0 * ((c0 * (d / D)) / ((w * h) / (d / D)))) / w);
} else {
tmp = 0.0;
}
return tmp;
}
def code(c0, w, h, D, d, M): t_0 = (c0 * (d * d)) / ((w * h) * (D * D)) tmp = 0 if ((c0 / (2.0 * w)) * (t_0 + math.sqrt(((t_0 * t_0) - (M * M))))) <= math.inf: tmp = (c0 / 2.0) * ((2.0 * ((c0 * (d / D)) / ((w * h) / (d / D)))) / w) else: tmp = 0.0 return tmp
function code(c0, w, h, D, d, M) t_0 = Float64(Float64(c0 * Float64(d * d)) / Float64(Float64(w * h) * Float64(D * D))) tmp = 0.0 if (Float64(Float64(c0 / Float64(2.0 * w)) * Float64(t_0 + sqrt(Float64(Float64(t_0 * t_0) - Float64(M * M))))) <= Inf) tmp = Float64(Float64(c0 / 2.0) * Float64(Float64(2.0 * Float64(Float64(c0 * Float64(d / D)) / Float64(Float64(w * h) / Float64(d / D)))) / w)); else tmp = 0.0; end return tmp end
function tmp_2 = code(c0, w, h, D, d, M) t_0 = (c0 * (d * d)) / ((w * h) * (D * D)); tmp = 0.0; if (((c0 / (2.0 * w)) * (t_0 + sqrt(((t_0 * t_0) - (M * M))))) <= Inf) tmp = (c0 / 2.0) * ((2.0 * ((c0 * (d / D)) / ((w * h) / (d / D)))) / w); else tmp = 0.0; end tmp_2 = tmp; end
code[c0_, w_, h_, D_, d_, M_] := Block[{t$95$0 = N[(N[(c0 * N[(d * d), $MachinePrecision]), $MachinePrecision] / N[(N[(w * h), $MachinePrecision] * N[(D * D), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(N[(c0 / N[(2.0 * w), $MachinePrecision]), $MachinePrecision] * N[(t$95$0 + N[Sqrt[N[(N[(t$95$0 * t$95$0), $MachinePrecision] - N[(M * M), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], Infinity], N[(N[(c0 / 2.0), $MachinePrecision] * N[(N[(2.0 * N[(N[(c0 * N[(d / D), $MachinePrecision]), $MachinePrecision] / N[(N[(w * h), $MachinePrecision] / N[(d / D), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / w), $MachinePrecision]), $MachinePrecision], 0.0]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{c0 \cdot \left(d \cdot d\right)}{\left(w \cdot h\right) \cdot \left(D \cdot D\right)}\\
\mathbf{if}\;\frac{c0}{2 \cdot w} \cdot \left(t_0 + \sqrt{t_0 \cdot t_0 - M \cdot M}\right) \leq \infty:\\
\;\;\;\;\frac{c0}{2} \cdot \frac{2 \cdot \frac{c0 \cdot \frac{d}{D}}{\frac{w \cdot h}{\frac{d}{D}}}}{w}\\
\mathbf{else}:\\
\;\;\;\;0\\
\end{array}
\end{array}
if (*.f64 (/.f64 c0 (*.f64 2 w)) (+.f64 (/.f64 (*.f64 c0 (*.f64 d d)) (*.f64 (*.f64 w h) (*.f64 D D))) (sqrt.f64 (-.f64 (*.f64 (/.f64 (*.f64 c0 (*.f64 d d)) (*.f64 (*.f64 w h) (*.f64 D D))) (/.f64 (*.f64 c0 (*.f64 d d)) (*.f64 (*.f64 w h) (*.f64 D D)))) (*.f64 M M))))) < +inf.0Initial program 83.4%
+-commutative83.4%
+-commutative83.4%
times-frac75.8%
fma-neg75.8%
Simplified77.0%
Taylor expanded in c0 around inf 86.1%
*-commutative86.1%
*-commutative86.1%
associate-*r*80.3%
associate-/r*80.3%
associate-*l/80.2%
times-frac77.5%
unpow277.5%
associate-*r/81.0%
unpow281.0%
associate-/l/81.0%
associate-*r/81.0%
associate-/r*82.3%
associate-*l/82.3%
unpow282.3%
associate-*l/81.0%
*-commutative81.0%
Simplified81.0%
associate-*l/81.0%
pow281.0%
*-commutative81.0%
frac-times81.1%
pow281.1%
Applied egg-rr81.1%
times-frac79.8%
Simplified79.8%
pow279.8%
Applied egg-rr79.8%
frac-times79.8%
associate-*l*87.0%
*-commutative87.0%
associate-/l*89.7%
Applied egg-rr89.7%
if +inf.0 < (*.f64 (/.f64 c0 (*.f64 2 w)) (+.f64 (/.f64 (*.f64 c0 (*.f64 d d)) (*.f64 (*.f64 w h) (*.f64 D D))) (sqrt.f64 (-.f64 (*.f64 (/.f64 (*.f64 c0 (*.f64 d d)) (*.f64 (*.f64 w h) (*.f64 D D))) (/.f64 (*.f64 c0 (*.f64 d d)) (*.f64 (*.f64 w h) (*.f64 D D)))) (*.f64 M M))))) Initial program 0.0%
+-commutative0.0%
+-commutative0.0%
times-frac0.1%
fma-neg0.1%
Simplified0.6%
Taylor expanded in c0 around -inf 1.2%
associate-*r*1.2%
neg-mul-11.2%
distribute-lft1-in1.2%
metadata-eval1.2%
mul0-lft37.4%
distribute-lft-neg-in37.4%
distribute-rgt-neg-in37.4%
metadata-eval37.4%
mul0-lft1.2%
metadata-eval1.2%
distribute-lft1-in1.2%
distribute-lft-in0.7%
Simplified37.4%
Taylor expanded in c0 around 0 42.8%
Final simplification56.3%
(FPCore (c0 w h D d M)
:precision binary64
(if (<= M 7e-150)
0.0
(if (or (<= M 1.8e-40)
(not
(or (<= M 8.5e-11)
(and (not (<= M 3.6e+19))
(or (<= M 1.36e+29)
(and (not (<= M 7.5e+85)) (<= M 9.8e+104)))))))
(* (/ c0 2.0) (/ (* 2.0 (* (/ c0 w) (/ (* (/ d D) (/ d D)) h))) w))
0.0)))
double code(double c0, double w, double h, double D, double d, double M) {
double tmp;
if (M <= 7e-150) {
tmp = 0.0;
} else if ((M <= 1.8e-40) || !((M <= 8.5e-11) || (!(M <= 3.6e+19) && ((M <= 1.36e+29) || (!(M <= 7.5e+85) && (M <= 9.8e+104)))))) {
tmp = (c0 / 2.0) * ((2.0 * ((c0 / w) * (((d / D) * (d / D)) / h))) / w);
} else {
tmp = 0.0;
}
return tmp;
}
real(8) function code(c0, w, h, d, d_1, m)
real(8), intent (in) :: c0
real(8), intent (in) :: w
real(8), intent (in) :: h
real(8), intent (in) :: d
real(8), intent (in) :: d_1
real(8), intent (in) :: m
real(8) :: tmp
if (m <= 7d-150) then
tmp = 0.0d0
else if ((m <= 1.8d-40) .or. (.not. (m <= 8.5d-11) .or. (.not. (m <= 3.6d+19)) .and. (m <= 1.36d+29) .or. (.not. (m <= 7.5d+85)) .and. (m <= 9.8d+104))) then
tmp = (c0 / 2.0d0) * ((2.0d0 * ((c0 / w) * (((d_1 / d) * (d_1 / d)) / h))) / w)
else
tmp = 0.0d0
end if
code = tmp
end function
public static double code(double c0, double w, double h, double D, double d, double M) {
double tmp;
if (M <= 7e-150) {
tmp = 0.0;
} else if ((M <= 1.8e-40) || !((M <= 8.5e-11) || (!(M <= 3.6e+19) && ((M <= 1.36e+29) || (!(M <= 7.5e+85) && (M <= 9.8e+104)))))) {
tmp = (c0 / 2.0) * ((2.0 * ((c0 / w) * (((d / D) * (d / D)) / h))) / w);
} else {
tmp = 0.0;
}
return tmp;
}
def code(c0, w, h, D, d, M): tmp = 0 if M <= 7e-150: tmp = 0.0 elif (M <= 1.8e-40) or not ((M <= 8.5e-11) or (not (M <= 3.6e+19) and ((M <= 1.36e+29) or (not (M <= 7.5e+85) and (M <= 9.8e+104))))): tmp = (c0 / 2.0) * ((2.0 * ((c0 / w) * (((d / D) * (d / D)) / h))) / w) else: tmp = 0.0 return tmp
function code(c0, w, h, D, d, M) tmp = 0.0 if (M <= 7e-150) tmp = 0.0; elseif ((M <= 1.8e-40) || !((M <= 8.5e-11) || (!(M <= 3.6e+19) && ((M <= 1.36e+29) || (!(M <= 7.5e+85) && (M <= 9.8e+104)))))) tmp = Float64(Float64(c0 / 2.0) * Float64(Float64(2.0 * Float64(Float64(c0 / w) * Float64(Float64(Float64(d / D) * Float64(d / D)) / h))) / w)); else tmp = 0.0; end return tmp end
function tmp_2 = code(c0, w, h, D, d, M) tmp = 0.0; if (M <= 7e-150) tmp = 0.0; elseif ((M <= 1.8e-40) || ~(((M <= 8.5e-11) || (~((M <= 3.6e+19)) && ((M <= 1.36e+29) || (~((M <= 7.5e+85)) && (M <= 9.8e+104))))))) tmp = (c0 / 2.0) * ((2.0 * ((c0 / w) * (((d / D) * (d / D)) / h))) / w); else tmp = 0.0; end tmp_2 = tmp; end
code[c0_, w_, h_, D_, d_, M_] := If[LessEqual[M, 7e-150], 0.0, If[Or[LessEqual[M, 1.8e-40], N[Not[Or[LessEqual[M, 8.5e-11], And[N[Not[LessEqual[M, 3.6e+19]], $MachinePrecision], Or[LessEqual[M, 1.36e+29], And[N[Not[LessEqual[M, 7.5e+85]], $MachinePrecision], LessEqual[M, 9.8e+104]]]]]], $MachinePrecision]], N[(N[(c0 / 2.0), $MachinePrecision] * N[(N[(2.0 * N[(N[(c0 / w), $MachinePrecision] * N[(N[(N[(d / D), $MachinePrecision] * N[(d / D), $MachinePrecision]), $MachinePrecision] / h), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / w), $MachinePrecision]), $MachinePrecision], 0.0]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;M \leq 7 \cdot 10^{-150}:\\
\;\;\;\;0\\
\mathbf{elif}\;M \leq 1.8 \cdot 10^{-40} \lor \neg \left(M \leq 8.5 \cdot 10^{-11} \lor \neg \left(M \leq 3.6 \cdot 10^{+19}\right) \land \left(M \leq 1.36 \cdot 10^{+29} \lor \neg \left(M \leq 7.5 \cdot 10^{+85}\right) \land M \leq 9.8 \cdot 10^{+104}\right)\right):\\
\;\;\;\;\frac{c0}{2} \cdot \frac{2 \cdot \left(\frac{c0}{w} \cdot \frac{\frac{d}{D} \cdot \frac{d}{D}}{h}\right)}{w}\\
\mathbf{else}:\\
\;\;\;\;0\\
\end{array}
\end{array}
if M < 6.9999999999999996e-150 or 1.8e-40 < M < 8.50000000000000037e-11 or 3.6e19 < M < 1.36e29 or 7.49999999999999942e85 < M < 9.7999999999999997e104Initial program 20.4%
+-commutative20.4%
+-commutative20.4%
times-frac18.1%
fma-neg18.1%
Simplified19.3%
Taylor expanded in c0 around -inf 3.2%
associate-*r*3.2%
neg-mul-13.2%
distribute-lft1-in3.2%
metadata-eval3.2%
mul0-lft36.7%
distribute-lft-neg-in36.7%
distribute-rgt-neg-in36.7%
metadata-eval36.7%
mul0-lft3.2%
metadata-eval3.2%
distribute-lft1-in3.2%
distribute-lft-in2.5%
Simplified36.7%
Taylor expanded in c0 around 0 42.4%
if 6.9999999999999996e-150 < M < 1.8e-40 or 8.50000000000000037e-11 < M < 3.6e19 or 1.36e29 < M < 7.49999999999999942e85 or 9.7999999999999997e104 < M Initial program 31.3%
+-commutative31.3%
+-commutative31.3%
times-frac29.5%
fma-neg29.5%
Simplified29.4%
Taylor expanded in c0 around inf 48.3%
*-commutative48.3%
*-commutative48.3%
associate-*r*47.5%
associate-/r*47.6%
associate-*l/48.7%
times-frac50.1%
unpow250.1%
associate-*r/52.2%
unpow252.2%
associate-/l/59.7%
associate-*r/60.8%
associate-/r*57.3%
associate-*l/58.5%
unpow258.5%
associate-*l/58.4%
*-commutative58.4%
Simplified58.4%
associate-*l/58.5%
pow258.5%
*-commutative58.5%
frac-times61.0%
pow261.0%
Applied egg-rr61.0%
times-frac62.1%
Simplified62.1%
pow262.1%
Applied egg-rr62.1%
Final simplification49.1%
(FPCore (c0 w h D d M) :precision binary64 0.0)
double code(double c0, double w, double h, double D, double d, double M) {
return 0.0;
}
real(8) function code(c0, w, h, d, d_1, m)
real(8), intent (in) :: c0
real(8), intent (in) :: w
real(8), intent (in) :: h
real(8), intent (in) :: d
real(8), intent (in) :: d_1
real(8), intent (in) :: m
code = 0.0d0
end function
public static double code(double c0, double w, double h, double D, double d, double M) {
return 0.0;
}
def code(c0, w, h, D, d, M): return 0.0
function code(c0, w, h, D, d, M) return 0.0 end
function tmp = code(c0, w, h, D, d, M) tmp = 0.0; end
code[c0_, w_, h_, D_, d_, M_] := 0.0
\begin{array}{l}
\\
0
\end{array}
Initial program 24.1%
+-commutative24.1%
+-commutative24.1%
times-frac22.0%
fma-neg22.0%
Simplified22.7%
Taylor expanded in c0 around -inf 2.2%
associate-*r*2.2%
neg-mul-12.2%
distribute-lft1-in2.2%
metadata-eval2.2%
mul0-lft28.3%
distribute-lft-neg-in28.3%
distribute-rgt-neg-in28.3%
metadata-eval28.3%
mul0-lft2.2%
metadata-eval2.2%
distribute-lft1-in2.2%
distribute-lft-in1.8%
Simplified28.3%
Taylor expanded in c0 around 0 32.5%
Final simplification32.5%
herbie shell --seed 2024018
(FPCore (c0 w h D d M)
:name "Henrywood and Agarwal, Equation (13)"
:precision binary64
(* (/ c0 (* 2.0 w)) (+ (/ (* c0 (* d d)) (* (* w h) (* D D))) (sqrt (- (* (/ (* c0 (* d d)) (* (* w h) (* D D))) (/ (* c0 (* d d)) (* (* w h) (* D D)))) (* M M))))))