
(FPCore (x y z) :precision binary64 (* 2.0 (sqrt (+ (+ (* x y) (* x z)) (* y z)))))
double code(double x, double y, double z) {
return 2.0 * sqrt((((x * y) + (x * z)) + (y * z)));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = 2.0d0 * sqrt((((x * y) + (x * z)) + (y * z)))
end function
public static double code(double x, double y, double z) {
return 2.0 * Math.sqrt((((x * y) + (x * z)) + (y * z)));
}
def code(x, y, z): return 2.0 * math.sqrt((((x * y) + (x * z)) + (y * z)))
function code(x, y, z) return Float64(2.0 * sqrt(Float64(Float64(Float64(x * y) + Float64(x * z)) + Float64(y * z)))) end
function tmp = code(x, y, z) tmp = 2.0 * sqrt((((x * y) + (x * z)) + (y * z))); end
code[x_, y_, z_] := N[(2.0 * N[Sqrt[N[(N[(N[(x * y), $MachinePrecision] + N[(x * z), $MachinePrecision]), $MachinePrecision] + N[(y * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
2 \cdot \sqrt{\left(x \cdot y + x \cdot z\right) + y \cdot z}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (* 2.0 (sqrt (+ (+ (* x y) (* x z)) (* y z)))))
double code(double x, double y, double z) {
return 2.0 * sqrt((((x * y) + (x * z)) + (y * z)));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = 2.0d0 * sqrt((((x * y) + (x * z)) + (y * z)))
end function
public static double code(double x, double y, double z) {
return 2.0 * Math.sqrt((((x * y) + (x * z)) + (y * z)));
}
def code(x, y, z): return 2.0 * math.sqrt((((x * y) + (x * z)) + (y * z)))
function code(x, y, z) return Float64(2.0 * sqrt(Float64(Float64(Float64(x * y) + Float64(x * z)) + Float64(y * z)))) end
function tmp = code(x, y, z) tmp = 2.0 * sqrt((((x * y) + (x * z)) + (y * z))); end
code[x_, y_, z_] := N[(2.0 * N[Sqrt[N[(N[(N[(x * y), $MachinePrecision] + N[(x * z), $MachinePrecision]), $MachinePrecision] + N[(y * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
2 \cdot \sqrt{\left(x \cdot y + x \cdot z\right) + y \cdot z}
\end{array}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
(FPCore (x y z)
:precision binary64
(if (<= y -2.7e+43)
(*
2.0
(exp
(*
0.5
(+ (- (log (- (- y) z)) (log (/ -1.0 x))) (* (/ y x) (/ z (+ y z)))))))
(if (<= y 440.0)
(* 2.0 (sqrt (fma x z (* y (+ z x)))))
(*
2.0
(*
z
(+
(sqrt (/ (+ y x) z))
(* 0.5 (* x (* y (sqrt (/ (pow z -3.0) (+ y x))))))))))))assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= -2.7e+43) {
tmp = 2.0 * exp((0.5 * ((log((-y - z)) - log((-1.0 / x))) + ((y / x) * (z / (y + z))))));
} else if (y <= 440.0) {
tmp = 2.0 * sqrt(fma(x, z, (y * (z + x))));
} else {
tmp = 2.0 * (z * (sqrt(((y + x) / z)) + (0.5 * (x * (y * sqrt((pow(z, -3.0) / (y + x))))))));
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= -2.7e+43) tmp = Float64(2.0 * exp(Float64(0.5 * Float64(Float64(log(Float64(Float64(-y) - z)) - log(Float64(-1.0 / x))) + Float64(Float64(y / x) * Float64(z / Float64(y + z))))))); elseif (y <= 440.0) tmp = Float64(2.0 * sqrt(fma(x, z, Float64(y * Float64(z + x))))); else tmp = Float64(2.0 * Float64(z * Float64(sqrt(Float64(Float64(y + x) / z)) + Float64(0.5 * Float64(x * Float64(y * sqrt(Float64((z ^ -3.0) / Float64(y + x))))))))); end return tmp end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[y, -2.7e+43], N[(2.0 * N[Exp[N[(0.5 * N[(N[(N[Log[N[((-y) - z), $MachinePrecision]], $MachinePrecision] - N[Log[N[(-1.0 / x), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] + N[(N[(y / x), $MachinePrecision] * N[(z / N[(y + z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 440.0], N[(2.0 * N[Sqrt[N[(x * z + N[(y * N[(z + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(z * N[(N[Sqrt[N[(N[(y + x), $MachinePrecision] / z), $MachinePrecision]], $MachinePrecision] + N[(0.5 * N[(x * N[(y * N[Sqrt[N[(N[Power[z, -3.0], $MachinePrecision] / N[(y + x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.7 \cdot 10^{+43}:\\
\;\;\;\;2 \cdot e^{0.5 \cdot \left(\left(\log \left(\left(-y\right) - z\right) - \log \left(\frac{-1}{x}\right)\right) + \frac{y}{x} \cdot \frac{z}{y + z}\right)}\\
\mathbf{elif}\;y \leq 440:\\
\;\;\;\;2 \cdot \sqrt{\mathsf{fma}\left(x, z, y \cdot \left(z + x\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(z \cdot \left(\sqrt{\frac{y + x}{z}} + 0.5 \cdot \left(x \cdot \left(y \cdot \sqrt{\frac{{z}^{-3}}{y + x}}\right)\right)\right)\right)\\
\end{array}
\end{array}
if y < -2.7000000000000002e43Initial program 55.0%
distribute-lft-out55.2%
*-commutative55.2%
Applied egg-rr55.2%
pow1/255.2%
pow-to-exp51.1%
fma-define51.2%
Applied egg-rr51.2%
Taylor expanded in x around -inf 34.9%
distribute-lft-out34.9%
mul-1-neg34.9%
mul-1-neg34.9%
times-frac36.7%
Simplified36.7%
if -2.7000000000000002e43 < y < 440Initial program 80.4%
+-commutative80.4%
associate-+r+80.4%
*-commutative80.4%
+-commutative80.4%
+-commutative80.4%
*-commutative80.4%
*-commutative80.4%
associate-+l+80.4%
associate-+l+80.4%
*-commutative80.4%
*-commutative80.4%
fma-define80.4%
distribute-lft-out80.4%
Simplified80.4%
if 440 < y Initial program 52.7%
+-commutative52.7%
*-commutative52.7%
+-commutative52.7%
*-commutative52.7%
associate-+l+52.7%
*-commutative52.7%
*-commutative52.7%
+-commutative52.7%
fma-define52.7%
+-commutative52.7%
distribute-lft-out52.8%
Simplified52.8%
fma-undefine52.7%
distribute-rgt-in52.7%
associate-+l+52.7%
add-sqr-sqrt52.4%
pow252.4%
pow1/252.4%
sqrt-pow152.5%
associate-+l+52.5%
distribute-rgt-in52.5%
fma-undefine52.6%
metadata-eval52.6%
Applied egg-rr52.6%
Taylor expanded in z around inf 42.5%
associate-*l*48.7%
Simplified48.7%
*-un-lft-identity48.7%
associate-/r*48.7%
pow-flip48.7%
metadata-eval48.7%
Applied egg-rr48.7%
*-lft-identity48.7%
Simplified48.7%
Final simplification62.4%
NOTE: x, y, and z should be sorted in increasing order before calling this function.
(FPCore (x y z)
:precision binary64
(if (<= y 7000.0)
(* 2.0 (sqrt (fma x z (* y (+ z x)))))
(*
2.0
(*
z
(+
(sqrt (/ (+ y x) z))
(* 0.5 (* x (* y (sqrt (/ (pow z -3.0) (+ y x)))))))))))assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= 7000.0) {
tmp = 2.0 * sqrt(fma(x, z, (y * (z + x))));
} else {
tmp = 2.0 * (z * (sqrt(((y + x) / z)) + (0.5 * (x * (y * sqrt((pow(z, -3.0) / (y + x))))))));
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= 7000.0) tmp = Float64(2.0 * sqrt(fma(x, z, Float64(y * Float64(z + x))))); else tmp = Float64(2.0 * Float64(z * Float64(sqrt(Float64(Float64(y + x) / z)) + Float64(0.5 * Float64(x * Float64(y * sqrt(Float64((z ^ -3.0) / Float64(y + x))))))))); end return tmp end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[y, 7000.0], N[(2.0 * N[Sqrt[N[(x * z + N[(y * N[(z + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(z * N[(N[Sqrt[N[(N[(y + x), $MachinePrecision] / z), $MachinePrecision]], $MachinePrecision] + N[(0.5 * N[(x * N[(y * N[Sqrt[N[(N[Power[z, -3.0], $MachinePrecision] / N[(y + x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq 7000:\\
\;\;\;\;2 \cdot \sqrt{\mathsf{fma}\left(x, z, y \cdot \left(z + x\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(z \cdot \left(\sqrt{\frac{y + x}{z}} + 0.5 \cdot \left(x \cdot \left(y \cdot \sqrt{\frac{{z}^{-3}}{y + x}}\right)\right)\right)\right)\\
\end{array}
\end{array}
if y < 7e3Initial program 73.1%
+-commutative73.1%
associate-+r+73.1%
*-commutative73.1%
+-commutative73.1%
+-commutative73.1%
*-commutative73.1%
*-commutative73.1%
associate-+l+73.1%
associate-+l+73.1%
*-commutative73.1%
*-commutative73.1%
fma-define73.1%
distribute-lft-out73.2%
Simplified73.2%
if 7e3 < y Initial program 52.7%
+-commutative52.7%
*-commutative52.7%
+-commutative52.7%
*-commutative52.7%
associate-+l+52.7%
*-commutative52.7%
*-commutative52.7%
+-commutative52.7%
fma-define52.7%
+-commutative52.7%
distribute-lft-out52.8%
Simplified52.8%
fma-undefine52.7%
distribute-rgt-in52.7%
associate-+l+52.7%
add-sqr-sqrt52.4%
pow252.4%
pow1/252.4%
sqrt-pow152.5%
associate-+l+52.5%
distribute-rgt-in52.5%
fma-undefine52.6%
metadata-eval52.6%
Applied egg-rr52.6%
Taylor expanded in z around inf 42.5%
associate-*l*48.7%
Simplified48.7%
*-un-lft-identity48.7%
associate-/r*48.7%
pow-flip48.7%
metadata-eval48.7%
Applied egg-rr48.7%
*-lft-identity48.7%
Simplified48.7%
Final simplification66.3%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y 72000000.0) (* 2.0 (sqrt (fma x z (* y (+ z x))))) (* 2.0 (* (sqrt (fma x (/ z y) (+ z x))) (sqrt y)))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= 72000000.0) {
tmp = 2.0 * sqrt(fma(x, z, (y * (z + x))));
} else {
tmp = 2.0 * (sqrt(fma(x, (z / y), (z + x))) * sqrt(y));
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= 72000000.0) tmp = Float64(2.0 * sqrt(fma(x, z, Float64(y * Float64(z + x))))); else tmp = Float64(2.0 * Float64(sqrt(fma(x, Float64(z / y), Float64(z + x))) * sqrt(y))); end return tmp end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[y, 72000000.0], N[(2.0 * N[Sqrt[N[(x * z + N[(y * N[(z + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Sqrt[N[(x * N[(z / y), $MachinePrecision] + N[(z + x), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * N[Sqrt[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq 72000000:\\
\;\;\;\;2 \cdot \sqrt{\mathsf{fma}\left(x, z, y \cdot \left(z + x\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\sqrt{\mathsf{fma}\left(x, \frac{z}{y}, z + x\right)} \cdot \sqrt{y}\right)\\
\end{array}
\end{array}
if y < 7.2e7Initial program 73.1%
+-commutative73.1%
associate-+r+73.1%
*-commutative73.1%
+-commutative73.1%
+-commutative73.1%
*-commutative73.1%
*-commutative73.1%
associate-+l+73.1%
associate-+l+73.1%
*-commutative73.1%
*-commutative73.1%
fma-define73.1%
distribute-lft-out73.2%
Simplified73.2%
if 7.2e7 < y Initial program 52.7%
+-commutative52.7%
*-commutative52.7%
+-commutative52.7%
*-commutative52.7%
associate-+l+52.7%
*-commutative52.7%
*-commutative52.7%
+-commutative52.7%
fma-define52.7%
+-commutative52.7%
distribute-lft-out52.8%
Simplified52.8%
Taylor expanded in y around inf 52.6%
associate-+r+52.6%
+-commutative52.6%
associate-/l*52.7%
Simplified52.7%
pow1/252.7%
*-commutative52.7%
unpow-prod-down96.8%
pow1/296.8%
+-commutative96.8%
fma-define96.8%
pow1/296.8%
Applied egg-rr96.8%
Final simplification79.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= x 4.6e+36) (* 2.0 (sqrt (fma x z (* y (+ z x))))) (* 2.0 (* (sqrt (+ y (fma y (/ z x) z))) (sqrt x)))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (x <= 4.6e+36) {
tmp = 2.0 * sqrt(fma(x, z, (y * (z + x))));
} else {
tmp = 2.0 * (sqrt((y + fma(y, (z / x), z))) * sqrt(x));
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (x <= 4.6e+36) tmp = Float64(2.0 * sqrt(fma(x, z, Float64(y * Float64(z + x))))); else tmp = Float64(2.0 * Float64(sqrt(Float64(y + fma(y, Float64(z / x), z))) * sqrt(x))); end return tmp end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[x, 4.6e+36], N[(2.0 * N[Sqrt[N[(x * z + N[(y * N[(z + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[Sqrt[N[(y + N[(y * N[(z / x), $MachinePrecision] + z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;x \leq 4.6 \cdot 10^{+36}:\\
\;\;\;\;2 \cdot \sqrt{\mathsf{fma}\left(x, z, y \cdot \left(z + x\right)\right)}\\
\mathbf{else}:\\
\;\;\;\;2 \cdot \left(\sqrt{y + \mathsf{fma}\left(y, \frac{z}{x}, z\right)} \cdot \sqrt{x}\right)\\
\end{array}
\end{array}
if x < 4.59999999999999993e36Initial program 75.0%
+-commutative75.0%
associate-+r+75.0%
*-commutative75.0%
+-commutative75.0%
+-commutative75.0%
*-commutative75.0%
*-commutative75.0%
associate-+l+75.0%
associate-+l+75.0%
*-commutative75.0%
*-commutative75.0%
fma-define75.0%
distribute-lft-out75.1%
Simplified75.1%
if 4.59999999999999993e36 < x Initial program 44.8%
+-commutative44.8%
*-commutative44.8%
+-commutative44.8%
*-commutative44.8%
associate-+l+44.8%
*-commutative44.8%
*-commutative44.8%
+-commutative44.8%
fma-define44.8%
+-commutative44.8%
distribute-lft-out45.0%
Simplified45.0%
Taylor expanded in x around inf 44.9%
*-commutative44.9%
sqrt-prod86.4%
+-commutative86.4%
associate-/l*96.5%
fma-define96.5%
Applied egg-rr96.5%
Final simplification80.5%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (* 2.0 (sqrt (fma x z (* y (+ z x))))))
assert(x < y && y < z);
double code(double x, double y, double z) {
return 2.0 * sqrt(fma(x, z, (y * (z + x))));
}
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(2.0 * sqrt(fma(x, z, Float64(y * Float64(z + x))))) end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(2.0 * N[Sqrt[N[(x * z + N[(y * N[(z + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
2 \cdot \sqrt{\mathsf{fma}\left(x, z, y \cdot \left(z + x\right)\right)}
\end{array}
Initial program 67.3%
+-commutative67.3%
associate-+r+67.3%
*-commutative67.3%
+-commutative67.3%
+-commutative67.3%
*-commutative67.3%
*-commutative67.3%
associate-+l+67.3%
associate-+l+67.3%
*-commutative67.3%
*-commutative67.3%
fma-define67.4%
distribute-lft-out67.4%
Simplified67.4%
Final simplification67.4%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (* 2.0 (sqrt (fma x y (* z (+ y x))))))
assert(x < y && y < z);
double code(double x, double y, double z) {
return 2.0 * sqrt(fma(x, y, (z * (y + x))));
}
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(2.0 * sqrt(fma(x, y, Float64(z * Float64(y + x))))) end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(2.0 * N[Sqrt[N[(x * y + N[(z * N[(y + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
2 \cdot \sqrt{\mathsf{fma}\left(x, y, z \cdot \left(y + x\right)\right)}
\end{array}
Initial program 67.3%
+-commutative67.3%
*-commutative67.3%
+-commutative67.3%
*-commutative67.3%
associate-+l+67.3%
*-commutative67.3%
*-commutative67.3%
+-commutative67.3%
fma-define67.3%
+-commutative67.3%
distribute-lft-out67.4%
Simplified67.4%
Final simplification67.4%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (* 2.0 (sqrt (+ (* (+ y z) x) (* y z)))))
assert(x < y && y < z);
double code(double x, double y, double z) {
return 2.0 * sqrt((((y + z) * x) + (y * z)));
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = 2.0d0 * sqrt((((y + z) * x) + (y * z)))
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return 2.0 * Math.sqrt((((y + z) * x) + (y * z)));
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return 2.0 * math.sqrt((((y + z) * x) + (y * z)))
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(2.0 * sqrt(Float64(Float64(Float64(y + z) * x) + Float64(y * z)))) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = 2.0 * sqrt((((y + z) * x) + (y * z)));
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(2.0 * N[Sqrt[N[(N[(N[(y + z), $MachinePrecision] * x), $MachinePrecision] + N[(y * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
2 \cdot \sqrt{\left(y + z\right) \cdot x + y \cdot z}
\end{array}
Initial program 67.3%
distribute-lft-out67.3%
*-commutative67.3%
Applied egg-rr67.3%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (* 2.0 (sqrt (+ (* y x) (* z (+ y x))))))
assert(x < y && y < z);
double code(double x, double y, double z) {
return 2.0 * sqrt(((y * x) + (z * (y + x))));
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = 2.0d0 * sqrt(((y * x) + (z * (y + x))))
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return 2.0 * Math.sqrt(((y * x) + (z * (y + x))));
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return 2.0 * math.sqrt(((y * x) + (z * (y + x))))
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(2.0 * sqrt(Float64(Float64(y * x) + Float64(z * Float64(y + x))))) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = 2.0 * sqrt(((y * x) + (z * (y + x))));
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(2.0 * N[Sqrt[N[(N[(y * x), $MachinePrecision] + N[(z * N[(y + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
2 \cdot \sqrt{y \cdot x + z \cdot \left(y + x\right)}
\end{array}
Initial program 67.3%
associate-+l+67.3%
*-commutative67.3%
*-commutative67.3%
*-commutative67.3%
+-commutative67.3%
+-commutative67.3%
associate-+l+67.3%
*-commutative67.3%
*-commutative67.3%
+-commutative67.3%
+-commutative67.3%
*-commutative67.3%
associate-+l+67.3%
*-commutative67.3%
*-commutative67.3%
+-commutative67.3%
Simplified67.3%
Final simplification67.3%
(FPCore (x y z)
:precision binary64
(let* ((t_0
(+
(* 0.25 (* (* (pow y -0.75) (* (pow z -0.75) x)) (+ y z)))
(* (pow z 0.25) (pow y 0.25)))))
(if (< z 7.636950090573675e+176)
(* 2.0 (sqrt (+ (* (+ x y) z) (* x y))))
(* (* t_0 t_0) 2.0))))
double code(double x, double y, double z) {
double t_0 = (0.25 * ((pow(y, -0.75) * (pow(z, -0.75) * x)) * (y + z))) + (pow(z, 0.25) * pow(y, 0.25));
double tmp;
if (z < 7.636950090573675e+176) {
tmp = 2.0 * sqrt((((x + y) * z) + (x * y)));
} else {
tmp = (t_0 * t_0) * 2.0;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = (0.25d0 * (((y ** (-0.75d0)) * ((z ** (-0.75d0)) * x)) * (y + z))) + ((z ** 0.25d0) * (y ** 0.25d0))
if (z < 7.636950090573675d+176) then
tmp = 2.0d0 * sqrt((((x + y) * z) + (x * y)))
else
tmp = (t_0 * t_0) * 2.0d0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (0.25 * ((Math.pow(y, -0.75) * (Math.pow(z, -0.75) * x)) * (y + z))) + (Math.pow(z, 0.25) * Math.pow(y, 0.25));
double tmp;
if (z < 7.636950090573675e+176) {
tmp = 2.0 * Math.sqrt((((x + y) * z) + (x * y)));
} else {
tmp = (t_0 * t_0) * 2.0;
}
return tmp;
}
def code(x, y, z): t_0 = (0.25 * ((math.pow(y, -0.75) * (math.pow(z, -0.75) * x)) * (y + z))) + (math.pow(z, 0.25) * math.pow(y, 0.25)) tmp = 0 if z < 7.636950090573675e+176: tmp = 2.0 * math.sqrt((((x + y) * z) + (x * y))) else: tmp = (t_0 * t_0) * 2.0 return tmp
function code(x, y, z) t_0 = Float64(Float64(0.25 * Float64(Float64((y ^ -0.75) * Float64((z ^ -0.75) * x)) * Float64(y + z))) + Float64((z ^ 0.25) * (y ^ 0.25))) tmp = 0.0 if (z < 7.636950090573675e+176) tmp = Float64(2.0 * sqrt(Float64(Float64(Float64(x + y) * z) + Float64(x * y)))); else tmp = Float64(Float64(t_0 * t_0) * 2.0); end return tmp end
function tmp_2 = code(x, y, z) t_0 = (0.25 * (((y ^ -0.75) * ((z ^ -0.75) * x)) * (y + z))) + ((z ^ 0.25) * (y ^ 0.25)); tmp = 0.0; if (z < 7.636950090573675e+176) tmp = 2.0 * sqrt((((x + y) * z) + (x * y))); else tmp = (t_0 * t_0) * 2.0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(0.25 * N[(N[(N[Power[y, -0.75], $MachinePrecision] * N[(N[Power[z, -0.75], $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision] * N[(y + z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[Power[z, 0.25], $MachinePrecision] * N[Power[y, 0.25], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[z, 7.636950090573675e+176], N[(2.0 * N[Sqrt[N[(N[(N[(x + y), $MachinePrecision] * z), $MachinePrecision] + N[(x * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], N[(N[(t$95$0 * t$95$0), $MachinePrecision] * 2.0), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := 0.25 \cdot \left(\left({y}^{-0.75} \cdot \left({z}^{-0.75} \cdot x\right)\right) \cdot \left(y + z\right)\right) + {z}^{0.25} \cdot {y}^{0.25}\\
\mathbf{if}\;z < 7.636950090573675 \cdot 10^{+176}:\\
\;\;\;\;2 \cdot \sqrt{\left(x + y\right) \cdot z + x \cdot y}\\
\mathbf{else}:\\
\;\;\;\;\left(t\_0 \cdot t\_0\right) \cdot 2\\
\end{array}
\end{array}
herbie shell --seed 2024179
(FPCore (x y z)
:name "Diagrams.TwoD.Apollonian:descartes from diagrams-contrib-1.3.0.5"
:precision binary64
:alt
(! :herbie-platform default (if (< z 763695009057367500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (* 2 (sqrt (+ (* (+ x y) z) (* x y)))) (* (* (+ (* 1/4 (* (* (pow y -3/4) (* (pow z -3/4) x)) (+ y z))) (* (pow z 1/4) (pow y 1/4))) (+ (* 1/4 (* (* (pow y -3/4) (* (pow z -3/4) x)) (+ y z))) (* (pow z 1/4) (pow y 1/4)))) 2)))
(* 2.0 (sqrt (+ (+ (* x y) (* x z)) (* y z)))))