
(FPCore (x y z) :precision binary64 (/ (* x (- y z)) y))
double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * (y - z)) / y
end function
public static double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
def code(x, y, z): return (x * (y - z)) / y
function code(x, y, z) return Float64(Float64(x * Float64(y - z)) / y) end
function tmp = code(x, y, z) tmp = (x * (y - z)) / y; end
code[x_, y_, z_] := N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(y - z\right)}{y}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (/ (* x (- y z)) y))
double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * (y - z)) / y
end function
public static double code(double x, double y, double z) {
return (x * (y - z)) / y;
}
def code(x, y, z): return (x * (y - z)) / y
function code(x, y, z) return Float64(Float64(x * Float64(y - z)) / y) end
function tmp = code(x, y, z) tmp = (x * (y - z)) / y; end
code[x_, y_, z_] := N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}
\\
\frac{x \cdot \left(y - z\right)}{y}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= z 5e+103) (* x (/ (- y z) y)) (/ (* x (- y z)) y)))
double code(double x, double y, double z) {
double tmp;
if (z <= 5e+103) {
tmp = x * ((y - z) / y);
} else {
tmp = (x * (y - z)) / y;
}
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) :: tmp
if (z <= 5d+103) then
tmp = x * ((y - z) / y)
else
tmp = (x * (y - z)) / y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= 5e+103) {
tmp = x * ((y - z) / y);
} else {
tmp = (x * (y - z)) / y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= 5e+103: tmp = x * ((y - z) / y) else: tmp = (x * (y - z)) / y return tmp
function code(x, y, z) tmp = 0.0 if (z <= 5e+103) tmp = Float64(x * Float64(Float64(y - z) / y)); else tmp = Float64(Float64(x * Float64(y - z)) / y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= 5e+103) tmp = x * ((y - z) / y); else tmp = (x * (y - z)) / y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, 5e+103], N[(x * N[(N[(y - z), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], N[(N[(x * N[(y - z), $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq 5 \cdot 10^{+103}:\\
\;\;\;\;x \cdot \frac{y - z}{y}\\
\mathbf{else}:\\
\;\;\;\;\frac{x \cdot \left(y - z\right)}{y}\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= z -3e+34) (not (<= z 8e+54))) (* z (/ (- x) y)) x))
double code(double x, double y, double z) {
double tmp;
if ((z <= -3e+34) || !(z <= 8e+54)) {
tmp = z * (-x / y);
} else {
tmp = x;
}
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) :: tmp
if ((z <= (-3d+34)) .or. (.not. (z <= 8d+54))) then
tmp = z * (-x / y)
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -3e+34) || !(z <= 8e+54)) {
tmp = z * (-x / y);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -3e+34) or not (z <= 8e+54): tmp = z * (-x / y) else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -3e+34) || !(z <= 8e+54)) tmp = Float64(z * Float64(Float64(-x) / y)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -3e+34) || ~((z <= 8e+54))) tmp = z * (-x / y); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -3e+34], N[Not[LessEqual[z, 8e+54]], $MachinePrecision]], N[(z * N[((-x) / y), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -3 \cdot 10^{+34} \lor \neg \left(z \leq 8 \cdot 10^{+54}\right):\\
\;\;\;\;z \cdot \frac{-x}{y}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (or (<= z -3e+34) (not (<= z 2.4e+53))) (/ (* z (- x)) y) x))
double code(double x, double y, double z) {
double tmp;
if ((z <= -3e+34) || !(z <= 2.4e+53)) {
tmp = (z * -x) / y;
} else {
tmp = x;
}
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) :: tmp
if ((z <= (-3d+34)) .or. (.not. (z <= 2.4d+53))) then
tmp = (z * -x) / y
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -3e+34) || !(z <= 2.4e+53)) {
tmp = (z * -x) / y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -3e+34) or not (z <= 2.4e+53): tmp = (z * -x) / y else: tmp = x return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -3e+34) || !(z <= 2.4e+53)) tmp = Float64(Float64(z * Float64(-x)) / y); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -3e+34) || ~((z <= 2.4e+53))) tmp = (z * -x) / y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -3e+34], N[Not[LessEqual[z, 2.4e+53]], $MachinePrecision]], N[(N[(z * (-x)), $MachinePrecision] / y), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -3 \cdot 10^{+34} \lor \neg \left(z \leq 2.4 \cdot 10^{+53}\right):\\
\;\;\;\;\frac{z \cdot \left(-x\right)}{y}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= z -3.5e+34) (* x (/ z (- y))) (if (<= z 1.5e+53) x (* z (/ (- x) y)))))
double code(double x, double y, double z) {
double tmp;
if (z <= -3.5e+34) {
tmp = x * (z / -y);
} else if (z <= 1.5e+53) {
tmp = x;
} else {
tmp = z * (-x / y);
}
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) :: tmp
if (z <= (-3.5d+34)) then
tmp = x * (z / -y)
else if (z <= 1.5d+53) then
tmp = x
else
tmp = z * (-x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -3.5e+34) {
tmp = x * (z / -y);
} else if (z <= 1.5e+53) {
tmp = x;
} else {
tmp = z * (-x / y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -3.5e+34: tmp = x * (z / -y) elif z <= 1.5e+53: tmp = x else: tmp = z * (-x / y) return tmp
function code(x, y, z) tmp = 0.0 if (z <= -3.5e+34) tmp = Float64(x * Float64(z / Float64(-y))); elseif (z <= 1.5e+53) tmp = x; else tmp = Float64(z * Float64(Float64(-x) / y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -3.5e+34) tmp = x * (z / -y); elseif (z <= 1.5e+53) tmp = x; else tmp = z * (-x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -3.5e+34], N[(x * N[(z / (-y)), $MachinePrecision]), $MachinePrecision], If[LessEqual[z, 1.5e+53], x, N[(z * N[((-x) / y), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -3.5 \cdot 10^{+34}:\\
\;\;\;\;x \cdot \frac{z}{-y}\\
\mathbf{elif}\;z \leq 1.5 \cdot 10^{+53}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;z \cdot \frac{-x}{y}\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (if (<= x 2.4e+177) x (* y (/ x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= 2.4e+177) {
tmp = x;
} else {
tmp = y * (x / y);
}
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) :: tmp
if (x <= 2.4d+177) then
tmp = x
else
tmp = y * (x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= 2.4e+177) {
tmp = x;
} else {
tmp = y * (x / y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= 2.4e+177: tmp = x else: tmp = y * (x / y) return tmp
function code(x, y, z) tmp = 0.0 if (x <= 2.4e+177) tmp = x; else tmp = Float64(y * Float64(x / y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= 2.4e+177) tmp = x; else tmp = y * (x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, 2.4e+177], x, N[(y * N[(x / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq 2.4 \cdot 10^{+177}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{x}{y}\\
\end{array}
\end{array}
(FPCore (x y z) :precision binary64 (* x (/ (- y z) y)))
double code(double x, double y, double z) {
return x * ((y - z) / y);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x * ((y - z) / y)
end function
public static double code(double x, double y, double z) {
return x * ((y - z) / y);
}
def code(x, y, z): return x * ((y - z) / y)
function code(x, y, z) return Float64(x * Float64(Float64(y - z) / y)) end
function tmp = code(x, y, z) tmp = x * ((y - z) / y); end
code[x_, y_, z_] := N[(x * N[(N[(y - z), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \frac{y - z}{y}
\end{array}
(FPCore (x y z) :precision binary64 x)
double code(double x, double y, double z) {
return x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = x
end function
public static double code(double x, double y, double z) {
return x;
}
def code(x, y, z): return x
function code(x, y, z) return x end
function tmp = code(x, y, z) tmp = x; end
code[x_, y_, z_] := x
\begin{array}{l}
\\
x
\end{array}
(FPCore (x y z) :precision binary64 (if (< z -2.060202331921739e+104) (- x (/ (* z x) y)) (if (< z 1.6939766013828526e+213) (/ x (/ y (- y z))) (* (- y z) (/ x y)))))
double code(double x, double y, double z) {
double tmp;
if (z < -2.060202331921739e+104) {
tmp = x - ((z * x) / y);
} else if (z < 1.6939766013828526e+213) {
tmp = x / (y / (y - z));
} else {
tmp = (y - z) * (x / y);
}
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) :: tmp
if (z < (-2.060202331921739d+104)) then
tmp = x - ((z * x) / y)
else if (z < 1.6939766013828526d+213) then
tmp = x / (y / (y - z))
else
tmp = (y - z) * (x / y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z < -2.060202331921739e+104) {
tmp = x - ((z * x) / y);
} else if (z < 1.6939766013828526e+213) {
tmp = x / (y / (y - z));
} else {
tmp = (y - z) * (x / y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if z < -2.060202331921739e+104: tmp = x - ((z * x) / y) elif z < 1.6939766013828526e+213: tmp = x / (y / (y - z)) else: tmp = (y - z) * (x / y) return tmp
function code(x, y, z) tmp = 0.0 if (z < -2.060202331921739e+104) tmp = Float64(x - Float64(Float64(z * x) / y)); elseif (z < 1.6939766013828526e+213) tmp = Float64(x / Float64(y / Float64(y - z))); else tmp = Float64(Float64(y - z) * Float64(x / y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z < -2.060202331921739e+104) tmp = x - ((z * x) / y); elseif (z < 1.6939766013828526e+213) tmp = x / (y / (y - z)); else tmp = (y - z) * (x / y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Less[z, -2.060202331921739e+104], N[(x - N[(N[(z * x), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision], If[Less[z, 1.6939766013828526e+213], N[(x / N[(y / N[(y - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(y - z), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z < -2.060202331921739 \cdot 10^{+104}:\\
\;\;\;\;x - \frac{z \cdot x}{y}\\
\mathbf{elif}\;z < 1.6939766013828526 \cdot 10^{+213}:\\
\;\;\;\;\frac{x}{\frac{y}{y - z}}\\
\mathbf{else}:\\
\;\;\;\;\left(y - z\right) \cdot \frac{x}{y}\\
\end{array}
\end{array}
herbie shell --seed 2024008
(FPCore (x y z)
:name "Diagrams.Backend.Cairo.Internal:setTexture from diagrams-cairo-1.3.0.3"
:precision binary64
:herbie-target
(if (< z -2.060202331921739e+104) (- x (/ (* z x) y)) (if (< z 1.6939766013828526e+213) (/ x (/ y (- y z))) (* (- y z) (/ x y))))
(/ (* x (- y z)) y))