
(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 10 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 -4.1e+42)
(* (* (- 2.0) (sqrt (/ (+ x z) y))) y)
(if (<= y 2000000.0)
(* (sqrt (fma (+ x y) z (* x y))) 2.0)
(* (* (sqrt (/ (+ x y) z)) 2.0) z))))assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= -4.1e+42) {
tmp = (-2.0 * sqrt(((x + z) / y))) * y;
} else if (y <= 2000000.0) {
tmp = sqrt(fma((x + y), z, (x * y))) * 2.0;
} else {
tmp = (sqrt(((x + y) / z)) * 2.0) * z;
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= -4.1e+42) tmp = Float64(Float64(Float64(-2.0) * sqrt(Float64(Float64(x + z) / y))) * y); elseif (y <= 2000000.0) tmp = Float64(sqrt(fma(Float64(x + y), z, Float64(x * y))) * 2.0); else tmp = Float64(Float64(sqrt(Float64(Float64(x + y) / z)) * 2.0) * z); 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, -4.1e+42], N[(N[((-2.0) * N[Sqrt[N[(N[(x + z), $MachinePrecision] / y), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision], If[LessEqual[y, 2000000.0], N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z + N[(x * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] / z), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision] * z), $MachinePrecision]]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.1 \cdot 10^{+42}:\\
\;\;\;\;\left(\left(-2\right) \cdot \sqrt{\frac{x + z}{y}}\right) \cdot y\\
\mathbf{elif}\;y \leq 2000000:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(x + y, z, x \cdot y\right)} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{\frac{x + y}{z}} \cdot 2\right) \cdot z\\
\end{array}
\end{array}
if y < -4.1e42Initial program 52.4%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6452.4
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6452.4
lift-*.f64N/A
*-commutativeN/A
lower-*.f6452.4
Applied rewrites52.4%
lift-sqrt.f64N/A
lift-fma.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
associate-+l+N/A
lift-*.f64N/A
pow1/2N/A
sqr-powN/A
pow2N/A
lower-pow.f64N/A
Applied rewrites52.4%
Taylor expanded in y around inf
lower-*.f64N/A
+-commutativeN/A
lower-fma.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
lower-pow.f64N/A
+-commutativeN/A
lower-+.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-/.f64N/A
+-commutativeN/A
lower-+.f640.9
Applied rewrites0.9%
Taylor expanded in y around -inf
Applied rewrites74.7%
if -4.1e42 < y < 2e6Initial program 85.1%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6485.1
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6485.1
lift-*.f64N/A
*-commutativeN/A
lower-*.f6485.1
Applied rewrites85.1%
if 2e6 < y Initial program 55.0%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.0
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6455.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.0
Applied rewrites55.0%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites32.4%
Taylor expanded in z around inf
Applied rewrites42.5%
Final simplification72.1%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y 2000000.0) (* (sqrt (fma (+ x y) z (* x y))) 2.0) (* (* (sqrt (/ (+ x y) z)) 2.0) z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= 2000000.0) {
tmp = sqrt(fma((x + y), z, (x * y))) * 2.0;
} else {
tmp = (sqrt(((x + y) / z)) * 2.0) * z;
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= 2000000.0) tmp = Float64(sqrt(fma(Float64(x + y), z, Float64(x * y))) * 2.0); else tmp = Float64(Float64(sqrt(Float64(Float64(x + y) / z)) * 2.0) * z); 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, 2000000.0], N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z + N[(x * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] / z), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision] * z), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq 2000000:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(x + y, z, x \cdot y\right)} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{\frac{x + y}{z}} \cdot 2\right) \cdot z\\
\end{array}
\end{array}
if y < 2e6Initial program 76.5%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6476.5
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6476.5
lift-*.f64N/A
*-commutativeN/A
lower-*.f6476.5
Applied rewrites76.5%
if 2e6 < y Initial program 55.0%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.0
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6455.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.0
Applied rewrites55.0%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites32.4%
Taylor expanded in z around inf
Applied rewrites42.5%
Final simplification67.7%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y 520000000000.0) (* (sqrt (fma (+ x y) z (* x y))) 2.0) (* (* (sqrt (/ z y)) 2.0) y)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= 520000000000.0) {
tmp = sqrt(fma((x + y), z, (x * y))) * 2.0;
} else {
tmp = (sqrt((z / y)) * 2.0) * y;
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= 520000000000.0) tmp = Float64(sqrt(fma(Float64(x + y), z, Float64(x * y))) * 2.0); else tmp = Float64(Float64(sqrt(Float64(z / y)) * 2.0) * 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, 520000000000.0], N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z + N[(x * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[(N[Sqrt[N[(z / y), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision] * y), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq 520000000000:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(x + y, z, x \cdot y\right)} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{\frac{z}{y}} \cdot 2\right) \cdot y\\
\end{array}
\end{array}
if y < 5.2e11Initial program 76.2%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6476.2
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6476.2
lift-*.f64N/A
*-commutativeN/A
lower-*.f6476.2
Applied rewrites76.2%
if 5.2e11 < y Initial program 55.1%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.1
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6455.1
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.1
Applied rewrites55.1%
lift-sqrt.f64N/A
lift-fma.f64N/A
+-commutativeN/A
lift-*.f64N/A
*-commutativeN/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
associate-+l+N/A
lift-*.f64N/A
pow1/2N/A
sqr-powN/A
pow2N/A
lower-pow.f64N/A
Applied rewrites55.5%
Taylor expanded in y around inf
lower-*.f64N/A
+-commutativeN/A
lower-fma.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f64N/A
lower-pow.f64N/A
+-commutativeN/A
lower-+.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-/.f64N/A
+-commutativeN/A
lower-+.f6474.9
Applied rewrites74.9%
Taylor expanded in x around 0
Applied rewrites40.5%
Final simplification67.3%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y 2000000.0) (* (sqrt (fma (+ x y) z (* x y))) 2.0) (* (* (sqrt (/ y z)) 2.0) z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= 2000000.0) {
tmp = sqrt(fma((x + y), z, (x * y))) * 2.0;
} else {
tmp = (sqrt((y / z)) * 2.0) * z;
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= 2000000.0) tmp = Float64(sqrt(fma(Float64(x + y), z, Float64(x * y))) * 2.0); else tmp = Float64(Float64(sqrt(Float64(y / z)) * 2.0) * z); 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, 2000000.0], N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z + N[(x * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[(N[Sqrt[N[(y / z), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision] * z), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq 2000000:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(x + y, z, x \cdot y\right)} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\left(\sqrt{\frac{y}{z}} \cdot 2\right) \cdot z\\
\end{array}
\end{array}
if y < 2e6Initial program 76.5%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6476.5
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6476.5
lift-*.f64N/A
*-commutativeN/A
lower-*.f6476.5
Applied rewrites76.5%
if 2e6 < y Initial program 55.0%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.0
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6455.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f6455.0
Applied rewrites55.0%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
Applied rewrites32.4%
Taylor expanded in x around 0
Applied rewrites39.5%
Final simplification67.0%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y -2e-282) (* (sqrt (fma z x (* x y))) 2.0) (* (sqrt (* (+ x y) z)) 2.0)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= -2e-282) {
tmp = sqrt(fma(z, x, (x * y))) * 2.0;
} else {
tmp = sqrt(((x + y) * z)) * 2.0;
}
return tmp;
}
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= -2e-282) tmp = Float64(sqrt(fma(z, x, Float64(x * y))) * 2.0); else tmp = Float64(sqrt(Float64(Float64(x + y) * z)) * 2.0); 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, -2e-282], N[(N[Sqrt[N[(z * x + N[(x * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2 \cdot 10^{-282}:\\
\;\;\;\;\sqrt{\mathsf{fma}\left(z, x, x \cdot y\right)} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\left(x + y\right) \cdot z} \cdot 2\\
\end{array}
\end{array}
if y < -2e-282Initial program 69.5%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6448.0
Applied rewrites48.0%
Applied rewrites47.9%
if -2e-282 < y Initial program 72.2%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6448.3
Applied rewrites48.3%
Final simplification48.1%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y -2e-282) (* (sqrt (* (+ z y) x)) 2.0) (* (sqrt (* (+ x y) z)) 2.0)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= -2e-282) {
tmp = sqrt(((z + y) * x)) * 2.0;
} else {
tmp = sqrt(((x + y) * z)) * 2.0;
}
return tmp;
}
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
real(8) :: tmp
if (y <= (-2d-282)) then
tmp = sqrt(((z + y) * x)) * 2.0d0
else
tmp = sqrt(((x + y) * z)) * 2.0d0
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if (y <= -2e-282) {
tmp = Math.sqrt(((z + y) * x)) * 2.0;
} else {
tmp = Math.sqrt(((x + y) * z)) * 2.0;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if y <= -2e-282: tmp = math.sqrt(((z + y) * x)) * 2.0 else: tmp = math.sqrt(((x + y) * z)) * 2.0 return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= -2e-282) tmp = Float64(sqrt(Float64(Float64(z + y) * x)) * 2.0); else tmp = Float64(sqrt(Float64(Float64(x + y) * z)) * 2.0); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (y <= -2e-282)
tmp = sqrt(((z + y) * x)) * 2.0;
else
tmp = sqrt(((x + y) * z)) * 2.0;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[y, -2e-282], N[(N[Sqrt[N[(N[(z + y), $MachinePrecision] * x), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2 \cdot 10^{-282}:\\
\;\;\;\;\sqrt{\left(z + y\right) \cdot x} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\left(x + y\right) \cdot z} \cdot 2\\
\end{array}
\end{array}
if y < -2e-282Initial program 69.5%
Taylor expanded in x around inf
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6448.0
Applied rewrites48.0%
if -2e-282 < y Initial program 72.2%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6448.3
Applied rewrites48.3%
Final simplification48.2%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y -2.6e-282) (* (sqrt (* x y)) 2.0) (* (sqrt (* (+ x y) z)) 2.0)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= -2.6e-282) {
tmp = sqrt((x * y)) * 2.0;
} else {
tmp = sqrt(((x + y) * z)) * 2.0;
}
return tmp;
}
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
real(8) :: tmp
if (y <= (-2.6d-282)) then
tmp = sqrt((x * y)) * 2.0d0
else
tmp = sqrt(((x + y) * z)) * 2.0d0
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if (y <= -2.6e-282) {
tmp = Math.sqrt((x * y)) * 2.0;
} else {
tmp = Math.sqrt(((x + y) * z)) * 2.0;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if y <= -2.6e-282: tmp = math.sqrt((x * y)) * 2.0 else: tmp = math.sqrt(((x + y) * z)) * 2.0 return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= -2.6e-282) tmp = Float64(sqrt(Float64(x * y)) * 2.0); else tmp = Float64(sqrt(Float64(Float64(x + y) * z)) * 2.0); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (y <= -2.6e-282)
tmp = sqrt((x * y)) * 2.0;
else
tmp = sqrt(((x + y) * z)) * 2.0;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[y, -2.6e-282], N[(N[Sqrt[N[(x * y), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.6 \cdot 10^{-282}:\\
\;\;\;\;\sqrt{x \cdot y} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\left(x + y\right) \cdot z} \cdot 2\\
\end{array}
\end{array}
if y < -2.60000000000000012e-282Initial program 69.5%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f6423.4
Applied rewrites23.4%
if -2.60000000000000012e-282 < y Initial program 72.2%
Taylor expanded in z around inf
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
lower-+.f6448.3
Applied rewrites48.3%
Final simplification36.5%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (* (sqrt (fma (+ x y) z (* x y))) 2.0))
assert(x < y && y < z);
double code(double x, double y, double z) {
return sqrt(fma((x + y), z, (x * y))) * 2.0;
}
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(sqrt(fma(Float64(x + y), z, Float64(x * y))) * 2.0) end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(N[Sqrt[N[(N[(x + y), $MachinePrecision] * z + N[(x * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\sqrt{\mathsf{fma}\left(x + y, z, x \cdot y\right)} \cdot 2
\end{array}
Initial program 70.9%
lift-*.f64N/A
*-commutativeN/A
lower-*.f6470.9
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
distribute-rgt-outN/A
*-commutativeN/A
lower-fma.f64N/A
+-commutativeN/A
lower-+.f6471.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f6471.0
Applied rewrites71.0%
Final simplification71.0%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (<= y -2e-310) (* (sqrt (* x y)) 2.0) (* (sqrt (* z y)) 2.0)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if (y <= -2e-310) {
tmp = sqrt((x * y)) * 2.0;
} else {
tmp = sqrt((z * y)) * 2.0;
}
return tmp;
}
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
real(8) :: tmp
if (y <= (-2d-310)) then
tmp = sqrt((x * y)) * 2.0d0
else
tmp = sqrt((z * y)) * 2.0d0
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if (y <= -2e-310) {
tmp = Math.sqrt((x * y)) * 2.0;
} else {
tmp = Math.sqrt((z * y)) * 2.0;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if y <= -2e-310: tmp = math.sqrt((x * y)) * 2.0 else: tmp = math.sqrt((z * y)) * 2.0 return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if (y <= -2e-310) tmp = Float64(sqrt(Float64(x * y)) * 2.0); else tmp = Float64(sqrt(Float64(z * y)) * 2.0); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if (y <= -2e-310)
tmp = sqrt((x * y)) * 2.0;
else
tmp = sqrt((z * y)) * 2.0;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[LessEqual[y, -2e-310], N[(N[Sqrt[N[(x * y), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision], N[(N[Sqrt[N[(z * y), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2 \cdot 10^{-310}:\\
\;\;\;\;\sqrt{x \cdot y} \cdot 2\\
\mathbf{else}:\\
\;\;\;\;\sqrt{z \cdot y} \cdot 2\\
\end{array}
\end{array}
if y < -1.999999999999994e-310Initial program 71.2%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f6422.2
Applied rewrites22.2%
if -1.999999999999994e-310 < y Initial program 70.7%
Taylor expanded in x around 0
*-commutativeN/A
lower-*.f6424.7
Applied rewrites24.7%
Final simplification23.5%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (* (sqrt (* x y)) 2.0))
assert(x < y && y < z);
double code(double x, double y, double z) {
return sqrt((x * y)) * 2.0;
}
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 = sqrt((x * y)) * 2.0d0
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return Math.sqrt((x * y)) * 2.0;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return math.sqrt((x * y)) * 2.0
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(sqrt(Float64(x * y)) * 2.0) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = sqrt((x * y)) * 2.0;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(N[Sqrt[N[(x * y), $MachinePrecision]], $MachinePrecision] * 2.0), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\sqrt{x \cdot y} \cdot 2
\end{array}
Initial program 70.9%
Taylor expanded in z around 0
*-commutativeN/A
lower-*.f6424.9
Applied rewrites24.9%
Final simplification24.9%
(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 2024254
(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)))))