
(FPCore (x y z) :precision binary64 (- (* (* x 3.0) y) z))
double code(double x, double y, double z) {
return ((x * 3.0) * 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 = ((x * 3.0d0) * y) - z
end function
public static double code(double x, double y, double z) {
return ((x * 3.0) * y) - z;
}
def code(x, y, z): return ((x * 3.0) * y) - z
function code(x, y, z) return Float64(Float64(Float64(x * 3.0) * y) - z) end
function tmp = code(x, y, z) tmp = ((x * 3.0) * y) - z; end
code[x_, y_, z_] := N[(N[(N[(x * 3.0), $MachinePrecision] * y), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 3\right) \cdot y - z
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (- (* (* x 3.0) y) z))
double code(double x, double y, double z) {
return ((x * 3.0) * 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 = ((x * 3.0d0) * y) - z
end function
public static double code(double x, double y, double z) {
return ((x * 3.0) * y) - z;
}
def code(x, y, z): return ((x * 3.0) * y) - z
function code(x, y, z) return Float64(Float64(Float64(x * 3.0) * y) - z) end
function tmp = code(x, y, z) tmp = ((x * 3.0) * y) - z; end
code[x_, y_, z_] := N[(N[(N[(x * 3.0), $MachinePrecision] * y), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 3\right) \cdot y - z
\end{array}
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (- (* y (* x 3.0)) z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return (y * (x * 3.0)) - 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 = (y * (x * 3.0d0)) - z
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return (y * (x * 3.0)) - z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return (y * (x * 3.0)) - z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(Float64(y * Float64(x * 3.0)) - z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = (y * (x * 3.0)) - z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(N[(y * N[(x * 3.0), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
y \cdot \left(x \cdot 3\right) - z
\end{array}
Initial program 99.9%
Final simplification99.9%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (or (<= z -1.35e+20) (not (<= z 3.3e+66))) (- z) (* 3.0 (* x y))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.35e+20) || !(z <= 3.3e+66)) {
tmp = -z;
} else {
tmp = 3.0 * (x * y);
}
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 ((z <= (-1.35d+20)) .or. (.not. (z <= 3.3d+66))) then
tmp = -z
else
tmp = 3.0d0 * (x * y)
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -1.35e+20) || !(z <= 3.3e+66)) {
tmp = -z;
} else {
tmp = 3.0 * (x * y);
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (z <= -1.35e+20) or not (z <= 3.3e+66): tmp = -z else: tmp = 3.0 * (x * y) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if ((z <= -1.35e+20) || !(z <= 3.3e+66)) tmp = Float64(-z); else tmp = Float64(3.0 * Float64(x * y)); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if ((z <= -1.35e+20) || ~((z <= 3.3e+66)))
tmp = -z;
else
tmp = 3.0 * (x * y);
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[Or[LessEqual[z, -1.35e+20], N[Not[LessEqual[z, 3.3e+66]], $MachinePrecision]], (-z), N[(3.0 * N[(x * y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.35 \cdot 10^{+20} \lor \neg \left(z \leq 3.3 \cdot 10^{+66}\right):\\
\;\;\;\;-z\\
\mathbf{else}:\\
\;\;\;\;3 \cdot \left(x \cdot y\right)\\
\end{array}
\end{array}
if z < -1.35e20 or 3.3000000000000001e66 < z Initial program 99.9%
associate-*l*100.0%
Simplified100.0%
Taylor expanded in x around 0 71.6%
neg-mul-171.6%
Simplified71.6%
if -1.35e20 < z < 3.3000000000000001e66Initial program 99.8%
associate-*l*99.8%
Simplified99.8%
Taylor expanded in x around 0 99.7%
Taylor expanded in x around inf 78.9%
Final simplification75.3%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (or (<= z -7.5e+19) (not (<= z 2.4e+66))) (- z) (* y (* x 3.0))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((z <= -7.5e+19) || !(z <= 2.4e+66)) {
tmp = -z;
} else {
tmp = y * (x * 3.0);
}
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 ((z <= (-7.5d+19)) .or. (.not. (z <= 2.4d+66))) then
tmp = -z
else
tmp = y * (x * 3.0d0)
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -7.5e+19) || !(z <= 2.4e+66)) {
tmp = -z;
} else {
tmp = y * (x * 3.0);
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (z <= -7.5e+19) or not (z <= 2.4e+66): tmp = -z else: tmp = y * (x * 3.0) return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if ((z <= -7.5e+19) || !(z <= 2.4e+66)) tmp = Float64(-z); else tmp = Float64(y * Float64(x * 3.0)); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if ((z <= -7.5e+19) || ~((z <= 2.4e+66)))
tmp = -z;
else
tmp = y * (x * 3.0);
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[Or[LessEqual[z, -7.5e+19], N[Not[LessEqual[z, 2.4e+66]], $MachinePrecision]], (-z), N[(y * N[(x * 3.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;z \leq -7.5 \cdot 10^{+19} \lor \neg \left(z \leq 2.4 \cdot 10^{+66}\right):\\
\;\;\;\;-z\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(x \cdot 3\right)\\
\end{array}
\end{array}
if z < -7.5e19 or 2.4000000000000002e66 < z Initial program 99.9%
associate-*l*100.0%
Simplified100.0%
Taylor expanded in x around 0 71.6%
neg-mul-171.6%
Simplified71.6%
if -7.5e19 < z < 2.4000000000000002e66Initial program 99.8%
associate-*l*99.8%
Simplified99.8%
Taylor expanded in x around 0 99.7%
Taylor expanded in x around inf 78.9%
*-commutative78.9%
associate-*r*78.9%
*-commutative78.9%
Simplified78.9%
Taylor expanded in x around 0 78.9%
associate-*r*78.9%
Simplified78.9%
Final simplification75.3%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (- (* 3.0 (* x y)) z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return (3.0 * (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 = (3.0d0 * (x * y)) - z
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return (3.0 * (x * y)) - z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return (3.0 * (x * y)) - z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(Float64(3.0 * Float64(x * y)) - z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = (3.0 * (x * y)) - z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(N[(3.0 * N[(x * y), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
3 \cdot \left(x \cdot y\right) - z
\end{array}
Initial program 99.9%
associate-*l*99.9%
Simplified99.9%
Taylor expanded in x around 0 99.8%
Final simplification99.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (- (* x (* 3.0 y)) z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return (x * (3.0 * 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 = (x * (3.0d0 * y)) - z
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return (x * (3.0 * y)) - z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return (x * (3.0 * y)) - z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(Float64(x * Float64(3.0 * y)) - z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = (x * (3.0 * y)) - z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(N[(x * N[(3.0 * y), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
x \cdot \left(3 \cdot y\right) - z
\end{array}
Initial program 99.9%
associate-*l*99.9%
Simplified99.9%
Final simplification99.9%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (- z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return -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 = -z
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return -z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return -z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(-z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = -z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := (-z)
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
-z
\end{array}
Initial program 99.9%
associate-*l*99.9%
Simplified99.9%
Taylor expanded in x around 0 46.6%
neg-mul-146.6%
Simplified46.6%
Final simplification46.6%
(FPCore (x y z) :precision binary64 (- (* x (* 3.0 y)) z))
double code(double x, double y, double z) {
return (x * (3.0 * 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 = (x * (3.0d0 * y)) - z
end function
public static double code(double x, double y, double z) {
return (x * (3.0 * y)) - z;
}
def code(x, y, z): return (x * (3.0 * y)) - z
function code(x, y, z) return Float64(Float64(x * Float64(3.0 * y)) - z) end
function tmp = code(x, y, z) tmp = (x * (3.0 * y)) - z; end
code[x_, y_, z_] := N[(N[(x * N[(3.0 * y), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(3 \cdot y\right) - z
\end{array}
herbie shell --seed 2024071
(FPCore (x y z)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, B"
:precision binary64
:alt
(- (* x (* 3.0 y)) z)
(- (* (* x 3.0) y) z))