
(FPCore (c0 A V l) :precision binary64 (* c0 (sqrt (/ A (* V l)))))
double code(double c0, double A, double V, double l) {
return c0 * sqrt((A / (V * l)));
}
real(8) function code(c0, a, v, l)
real(8), intent (in) :: c0
real(8), intent (in) :: a
real(8), intent (in) :: v
real(8), intent (in) :: l
code = c0 * sqrt((a / (v * l)))
end function
public static double code(double c0, double A, double V, double l) {
return c0 * Math.sqrt((A / (V * l)));
}
def code(c0, A, V, l): return c0 * math.sqrt((A / (V * l)))
function code(c0, A, V, l) return Float64(c0 * sqrt(Float64(A / Float64(V * l)))) end
function tmp = code(c0, A, V, l) tmp = c0 * sqrt((A / (V * l))); end
code[c0_, A_, V_, l_] := N[(c0 * N[Sqrt[N[(A / N[(V * l), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
c0 \cdot \sqrt{\frac{A}{V \cdot \ell}}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 12 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (c0 A V l) :precision binary64 (* c0 (sqrt (/ A (* V l)))))
double code(double c0, double A, double V, double l) {
return c0 * sqrt((A / (V * l)));
}
real(8) function code(c0, a, v, l)
real(8), intent (in) :: c0
real(8), intent (in) :: a
real(8), intent (in) :: v
real(8), intent (in) :: l
code = c0 * sqrt((a / (v * l)))
end function
public static double code(double c0, double A, double V, double l) {
return c0 * Math.sqrt((A / (V * l)));
}
def code(c0, A, V, l): return c0 * math.sqrt((A / (V * l)))
function code(c0, A, V, l) return Float64(c0 * sqrt(Float64(A / Float64(V * l)))) end
function tmp = code(c0, A, V, l) tmp = c0 * sqrt((A / (V * l))); end
code[c0_, A_, V_, l_] := N[(c0 * N[Sqrt[N[(A / N[(V * l), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
c0 \cdot \sqrt{\frac{A}{V \cdot \ell}}
\end{array}
NOTE: c0, A, V, and l should be sorted in increasing order before calling this function. (FPCore (c0 A V l) :precision binary64 (if (<= A -5e-310) (* c0 (/ (sqrt (- A)) (* (sqrt (- V)) (sqrt l)))) (* c0 (/ (sqrt A) (sqrt (* V l))))))
assert(c0 < A && A < V && V < l);
double code(double c0, double A, double V, double l) {
double tmp;
if (A <= -5e-310) {
tmp = c0 * (sqrt(-A) / (sqrt(-V) * sqrt(l)));
} else {
tmp = c0 * (sqrt(A) / sqrt((V * l)));
}
return tmp;
}
NOTE: c0, A, V, and l should be sorted in increasing order before calling this function.
real(8) function code(c0, a, v, l)
real(8), intent (in) :: c0
real(8), intent (in) :: a
real(8), intent (in) :: v
real(8), intent (in) :: l
real(8) :: tmp
if (a <= (-5d-310)) then
tmp = c0 * (sqrt(-a) / (sqrt(-v) * sqrt(l)))
else
tmp = c0 * (sqrt(a) / sqrt((v * l)))
end if
code = tmp
end function
assert c0 < A && A < V && V < l;
public static double code(double c0, double A, double V, double l) {
double tmp;
if (A <= -5e-310) {
tmp = c0 * (Math.sqrt(-A) / (Math.sqrt(-V) * Math.sqrt(l)));
} else {
tmp = c0 * (Math.sqrt(A) / Math.sqrt((V * l)));
}
return tmp;
}
[c0, A, V, l] = sort([c0, A, V, l]) def code(c0, A, V, l): tmp = 0 if A <= -5e-310: tmp = c0 * (math.sqrt(-A) / (math.sqrt(-V) * math.sqrt(l))) else: tmp = c0 * (math.sqrt(A) / math.sqrt((V * l))) return tmp
c0, A, V, l = sort([c0, A, V, l]) function code(c0, A, V, l) tmp = 0.0 if (A <= -5e-310) tmp = Float64(c0 * Float64(sqrt(Float64(-A)) / Float64(sqrt(Float64(-V)) * sqrt(l)))); else tmp = Float64(c0 * Float64(sqrt(A) / sqrt(Float64(V * l)))); end return tmp end
c0, A, V, l = num2cell(sort([c0, A, V, l])){:}
function tmp_2 = code(c0, A, V, l)
tmp = 0.0;
if (A <= -5e-310)
tmp = c0 * (sqrt(-A) / (sqrt(-V) * sqrt(l)));
else
tmp = c0 * (sqrt(A) / sqrt((V * l)));
end
tmp_2 = tmp;
end
NOTE: c0, A, V, and l should be sorted in increasing order before calling this function. code[c0_, A_, V_, l_] := If[LessEqual[A, -5e-310], N[(c0 * N[(N[Sqrt[(-A)], $MachinePrecision] / N[(N[Sqrt[(-V)], $MachinePrecision] * N[Sqrt[l], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(c0 * N[(N[Sqrt[A], $MachinePrecision] / N[Sqrt[N[(V * l), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[c0, A, V, l] = \mathsf{sort}([c0, A, V, l])\\
\\
\begin{array}{l}
\mathbf{if}\;A \leq -5 \cdot 10^{-310}:\\
\;\;\;\;c0 \cdot \frac{\sqrt{-A}}{\sqrt{-V} \cdot \sqrt{\ell}}\\
\mathbf{else}:\\
\;\;\;\;c0 \cdot \frac{\sqrt{A}}{\sqrt{V \cdot \ell}}\\
\end{array}
\end{array}
if A < -4.999999999999985e-310Initial program 70.3%
lift-/.f64N/A
clear-numN/A
associate-/r/N/A
lower-*.f64N/A
lower-/.f6469.6
Applied rewrites69.6%
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-/.f64N/A
div-invN/A
frac-2negN/A
sqrt-divN/A
lower-/.f64N/A
lower-sqrt.f64N/A
lower-neg.f64N/A
lower-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
distribute-rgt-neg-inN/A
lower-*.f64N/A
lower-neg.f6481.4
Applied rewrites81.4%
lift-sqrt.f64N/A
lift-*.f64N/A
*-commutativeN/A
sqrt-prodN/A
lift-sqrt.f64N/A
lift-sqrt.f64N/A
lower-*.f6496.1
Applied rewrites96.1%
if -4.999999999999985e-310 < A Initial program 72.6%
lift-sqrt.f64N/A
lift-/.f64N/A
sqrt-divN/A
lower-/.f64N/A
lower-sqrt.f64N/A
lower-sqrt.f6485.3
Applied rewrites85.3%
NOTE: c0, A, V, and l should be sorted in increasing order before calling this function.
(FPCore (c0 A V l)
:precision binary64
(let* ((t_0 (/ A (* V l))))
(if (<= t_0 1e-312)
(* c0 (sqrt (/ (/ A l) V)))
(if (<= t_0 1e+302)
(/ c0 (sqrt (/ (* V l) A)))
(/ c0 (sqrt (* V (/ l A))))))))assert(c0 < A && A < V && V < l);
double code(double c0, double A, double V, double l) {
double t_0 = A / (V * l);
double tmp;
if (t_0 <= 1e-312) {
tmp = c0 * sqrt(((A / l) / V));
} else if (t_0 <= 1e+302) {
tmp = c0 / sqrt(((V * l) / A));
} else {
tmp = c0 / sqrt((V * (l / A)));
}
return tmp;
}
NOTE: c0, A, V, and l should be sorted in increasing order before calling this function.
real(8) function code(c0, a, v, l)
real(8), intent (in) :: c0
real(8), intent (in) :: a
real(8), intent (in) :: v
real(8), intent (in) :: l
real(8) :: t_0
real(8) :: tmp
t_0 = a / (v * l)
if (t_0 <= 1d-312) then
tmp = c0 * sqrt(((a / l) / v))
else if (t_0 <= 1d+302) then
tmp = c0 / sqrt(((v * l) / a))
else
tmp = c0 / sqrt((v * (l / a)))
end if
code = tmp
end function
assert c0 < A && A < V && V < l;
public static double code(double c0, double A, double V, double l) {
double t_0 = A / (V * l);
double tmp;
if (t_0 <= 1e-312) {
tmp = c0 * Math.sqrt(((A / l) / V));
} else if (t_0 <= 1e+302) {
tmp = c0 / Math.sqrt(((V * l) / A));
} else {
tmp = c0 / Math.sqrt((V * (l / A)));
}
return tmp;
}
[c0, A, V, l] = sort([c0, A, V, l]) def code(c0, A, V, l): t_0 = A / (V * l) tmp = 0 if t_0 <= 1e-312: tmp = c0 * math.sqrt(((A / l) / V)) elif t_0 <= 1e+302: tmp = c0 / math.sqrt(((V * l) / A)) else: tmp = c0 / math.sqrt((V * (l / A))) return tmp
c0, A, V, l = sort([c0, A, V, l]) function code(c0, A, V, l) t_0 = Float64(A / Float64(V * l)) tmp = 0.0 if (t_0 <= 1e-312) tmp = Float64(c0 * sqrt(Float64(Float64(A / l) / V))); elseif (t_0 <= 1e+302) tmp = Float64(c0 / sqrt(Float64(Float64(V * l) / A))); else tmp = Float64(c0 / sqrt(Float64(V * Float64(l / A)))); end return tmp end
c0, A, V, l = num2cell(sort([c0, A, V, l])){:}
function tmp_2 = code(c0, A, V, l)
t_0 = A / (V * l);
tmp = 0.0;
if (t_0 <= 1e-312)
tmp = c0 * sqrt(((A / l) / V));
elseif (t_0 <= 1e+302)
tmp = c0 / sqrt(((V * l) / A));
else
tmp = c0 / sqrt((V * (l / A)));
end
tmp_2 = tmp;
end
NOTE: c0, A, V, and l should be sorted in increasing order before calling this function.
code[c0_, A_, V_, l_] := Block[{t$95$0 = N[(A / N[(V * l), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$0, 1e-312], N[(c0 * N[Sqrt[N[(N[(A / l), $MachinePrecision] / V), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$0, 1e+302], N[(c0 / N[Sqrt[N[(N[(V * l), $MachinePrecision] / A), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(c0 / N[Sqrt[N[(V * N[(l / A), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
[c0, A, V, l] = \mathsf{sort}([c0, A, V, l])\\
\\
\begin{array}{l}
t_0 := \frac{A}{V \cdot \ell}\\
\mathbf{if}\;t\_0 \leq 10^{-312}:\\
\;\;\;\;c0 \cdot \sqrt{\frac{\frac{A}{\ell}}{V}}\\
\mathbf{elif}\;t\_0 \leq 10^{+302}:\\
\;\;\;\;\frac{c0}{\sqrt{\frac{V \cdot \ell}{A}}}\\
\mathbf{else}:\\
\;\;\;\;\frac{c0}{\sqrt{V \cdot \frac{\ell}{A}}}\\
\end{array}
\end{array}
if (/.f64 A (*.f64 V l)) < 9.9999999999847e-313Initial program 36.7%
lift-/.f64N/A
lift-*.f64N/A
associate-/l/N/A
lower-/.f64N/A
lower-/.f6452.9
Applied rewrites52.9%
if 9.9999999999847e-313 < (/.f64 A (*.f64 V l)) < 1.0000000000000001e302Initial program 99.4%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-/.f64N/A
clear-numN/A
sqrt-divN/A
metadata-evalN/A
un-div-invN/A
lower-/.f64N/A
lower-sqrt.f64N/A
lower-/.f6499.0
Applied rewrites99.0%
if 1.0000000000000001e302 < (/.f64 A (*.f64 V l)) Initial program 37.7%
lift-*.f64N/A
lift-sqrt.f64N/A
lift-/.f64N/A
clear-numN/A
sqrt-divN/A
metadata-evalN/A
un-div-invN/A
lower-/.f64N/A
lower-sqrt.f64N/A
lower-/.f6439.6
Applied rewrites39.6%
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f6454.9
Applied rewrites54.9%
Final simplification80.2%
herbie shell --seed 2024228
(FPCore (c0 A V l)
:name "Henrywood and Agarwal, Equation (3)"
:precision binary64
(* c0 (sqrt (/ A (* V l)))))