
(FPCore (x y z) :precision binary64 (+ (* x (+ y z)) (* z 5.0)))
double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
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)) + (z * 5.0d0)
end function
public static double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
def code(x, y, z): return (x * (y + z)) + (z * 5.0)
function code(x, y, z) return Float64(Float64(x * Float64(y + z)) + Float64(z * 5.0)) end
function tmp = code(x, y, z) tmp = (x * (y + z)) + (z * 5.0); end
code[x_, y_, z_] := N[(N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(y + z\right) + z \cdot 5
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x (+ y z)) (* z 5.0)))
double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
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)) + (z * 5.0d0)
end function
public static double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
def code(x, y, z): return (x * (y + z)) + (z * 5.0)
function code(x, y, z) return Float64(Float64(x * Float64(y + z)) + Float64(z * 5.0)) end
function tmp = code(x, y, z) tmp = (x * (y + z)) + (z * 5.0); end
code[x_, y_, z_] := N[(N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(y + z\right) + z \cdot 5
\end{array}
(FPCore (x y z) :precision binary64 (fma z 5.0 (* x (+ z y))))
double code(double x, double y, double z) {
return fma(z, 5.0, (x * (z + y)));
}
function code(x, y, z) return fma(z, 5.0, Float64(x * Float64(z + y))) end
code[x_, y_, z_] := N[(z * 5.0 + N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(z, 5, x \cdot \left(z + y\right)\right)
\end{array}
Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -1.4e+249)
(* z x)
(if (<= x -1.02e+186)
(* x y)
(if (<= x -9e+74)
(* z x)
(if (<= x -3.9e-20)
(* x y)
(if (<= x 6.4e-10) (* z 5.0) (if (<= x 6e+28) (* x y) (* z x))))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.4e+249) {
tmp = z * x;
} else if (x <= -1.02e+186) {
tmp = x * y;
} else if (x <= -9e+74) {
tmp = z * x;
} else if (x <= -3.9e-20) {
tmp = x * y;
} else if (x <= 6.4e-10) {
tmp = z * 5.0;
} else if (x <= 6e+28) {
tmp = x * y;
} else {
tmp = z * 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 (x <= (-1.4d+249)) then
tmp = z * x
else if (x <= (-1.02d+186)) then
tmp = x * y
else if (x <= (-9d+74)) then
tmp = z * x
else if (x <= (-3.9d-20)) then
tmp = x * y
else if (x <= 6.4d-10) then
tmp = z * 5.0d0
else if (x <= 6d+28) then
tmp = x * y
else
tmp = z * x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -1.4e+249) {
tmp = z * x;
} else if (x <= -1.02e+186) {
tmp = x * y;
} else if (x <= -9e+74) {
tmp = z * x;
} else if (x <= -3.9e-20) {
tmp = x * y;
} else if (x <= 6.4e-10) {
tmp = z * 5.0;
} else if (x <= 6e+28) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.4e+249: tmp = z * x elif x <= -1.02e+186: tmp = x * y elif x <= -9e+74: tmp = z * x elif x <= -3.9e-20: tmp = x * y elif x <= 6.4e-10: tmp = z * 5.0 elif x <= 6e+28: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.4e+249) tmp = Float64(z * x); elseif (x <= -1.02e+186) tmp = Float64(x * y); elseif (x <= -9e+74) tmp = Float64(z * x); elseif (x <= -3.9e-20) tmp = Float64(x * y); elseif (x <= 6.4e-10) tmp = Float64(z * 5.0); elseif (x <= 6e+28) tmp = Float64(x * y); else tmp = Float64(z * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1.4e+249) tmp = z * x; elseif (x <= -1.02e+186) tmp = x * y; elseif (x <= -9e+74) tmp = z * x; elseif (x <= -3.9e-20) tmp = x * y; elseif (x <= 6.4e-10) tmp = z * 5.0; elseif (x <= 6e+28) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.4e+249], N[(z * x), $MachinePrecision], If[LessEqual[x, -1.02e+186], N[(x * y), $MachinePrecision], If[LessEqual[x, -9e+74], N[(z * x), $MachinePrecision], If[LessEqual[x, -3.9e-20], N[(x * y), $MachinePrecision], If[LessEqual[x, 6.4e-10], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 6e+28], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.4 \cdot 10^{+249}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -1.02 \cdot 10^{+186}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -9 \cdot 10^{+74}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -3.9 \cdot 10^{-20}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 6.4 \cdot 10^{-10}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 6 \cdot 10^{+28}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -1.40000000000000009e249 or -1.01999999999999999e186 < x < -8.9999999999999999e74 or 6.0000000000000002e28 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 62.3%
if -1.40000000000000009e249 < x < -1.01999999999999999e186 or -8.9999999999999999e74 < x < -3.90000000000000007e-20 or 6.39999999999999961e-10 < x < 6.0000000000000002e28Initial program 100.0%
Taylor expanded in y around inf 74.1%
if -3.90000000000000007e-20 < x < 6.39999999999999961e-10Initial program 99.8%
Taylor expanded in x around 0 79.9%
Final simplification72.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.2e-20) (not (<= x 7.6e-11))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.2e-20) || !(x <= 7.6e-11)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
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) :: tmp
if ((x <= (-3.2d-20)) .or. (.not. (x <= 7.6d-11))) then
tmp = x * (z + y)
else
tmp = z * 5.0d0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -3.2e-20) || !(x <= 7.6e-11)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.2e-20) or not (x <= 7.6e-11): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.2e-20) || !(x <= 7.6e-11)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(z * 5.0); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -3.2e-20) || ~((x <= 7.6e-11))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.2e-20], N[Not[LessEqual[x, 7.6e-11]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.2 \cdot 10^{-20} \lor \neg \left(x \leq 7.6 \cdot 10^{-11}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.1999999999999997e-20 or 7.5999999999999996e-11 < x Initial program 100.0%
Taylor expanded in x around inf 99.2%
+-commutative99.2%
Simplified99.2%
if -3.1999999999999997e-20 < x < 7.5999999999999996e-11Initial program 99.8%
Taylor expanded in x around 0 79.9%
Final simplification90.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.65e-20) (not (<= x 3.45))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.65e-20) || !(x <= 3.45)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + 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 ((x <= (-2.65d-20)) .or. (.not. (x <= 3.45d0))) then
tmp = x * (z + y)
else
tmp = z * (5.0d0 + x)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -2.65e-20) || !(x <= 3.45)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.65e-20) or not (x <= 3.45): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.65e-20) || !(x <= 3.45)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(z * Float64(5.0 + x)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -2.65e-20) || ~((x <= 3.45))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.65e-20], N[Not[LessEqual[x, 3.45]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * N[(5.0 + x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.65 \cdot 10^{-20} \lor \neg \left(x \leq 3.45\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -2.6500000000000001e-20 or 3.4500000000000002 < x Initial program 100.0%
Taylor expanded in x around inf 99.2%
+-commutative99.2%
Simplified99.2%
if -2.6500000000000001e-20 < x < 3.4500000000000002Initial program 99.8%
Taylor expanded in y around 0 80.1%
distribute-rgt-in80.1%
Simplified80.1%
Final simplification90.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -2e-20) (not (<= x 1.85e-9))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2e-20) || !(x <= 1.85e-9)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
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) :: tmp
if ((x <= (-2d-20)) .or. (.not. (x <= 1.85d-9))) then
tmp = x * y
else
tmp = z * 5.0d0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -2e-20) || !(x <= 1.85e-9)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2e-20) or not (x <= 1.85e-9): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2e-20) || !(x <= 1.85e-9)) tmp = Float64(x * y); else tmp = Float64(z * 5.0); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -2e-20) || ~((x <= 1.85e-9))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2e-20], N[Not[LessEqual[x, 1.85e-9]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2 \cdot 10^{-20} \lor \neg \left(x \leq 1.85 \cdot 10^{-9}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.99999999999999989e-20 or 1.85e-9 < x Initial program 100.0%
Taylor expanded in y around inf 51.5%
if -1.99999999999999989e-20 < x < 1.85e-9Initial program 99.8%
Taylor expanded in x around 0 79.9%
Final simplification64.7%
(FPCore (x y z) :precision binary64 (+ (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
return (x * (z + y)) + (z * 5.0);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * (z + y)) + (z * 5.0d0)
end function
public static double code(double x, double y, double z) {
return (x * (z + y)) + (z * 5.0);
}
def code(x, y, z): return (x * (z + y)) + (z * 5.0)
function code(x, y, z) return Float64(Float64(x * Float64(z + y)) + Float64(z * 5.0)) end
function tmp = code(x, y, z) tmp = (x * (z + y)) + (z * 5.0); end
code[x_, y_, z_] := N[(N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(z + y\right) + z \cdot 5
\end{array}
Initial program 99.9%
Final simplification99.9%
(FPCore (x y z) :precision binary64 (* z 5.0))
double code(double x, double y, double z) {
return z * 5.0;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z * 5.0d0
end function
public static double code(double x, double y, double z) {
return z * 5.0;
}
def code(x, y, z): return z * 5.0
function code(x, y, z) return Float64(z * 5.0) end
function tmp = code(x, y, z) tmp = z * 5.0; end
code[x_, y_, z_] := N[(z * 5.0), $MachinePrecision]
\begin{array}{l}
\\
z \cdot 5
\end{array}
Initial program 99.9%
Taylor expanded in x around 0 39.4%
Final simplification39.4%
(FPCore (x y z) :precision binary64 (+ (* (+ x 5.0) z) (* x y)))
double code(double x, double y, double z) {
return ((x + 5.0) * z) + (x * 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 + 5.0d0) * z) + (x * y)
end function
public static double code(double x, double y, double z) {
return ((x + 5.0) * z) + (x * y);
}
def code(x, y, z): return ((x + 5.0) * z) + (x * y)
function code(x, y, z) return Float64(Float64(Float64(x + 5.0) * z) + Float64(x * y)) end
function tmp = code(x, y, z) tmp = ((x + 5.0) * z) + (x * y); end
code[x_, y_, z_] := N[(N[(N[(x + 5.0), $MachinePrecision] * z), $MachinePrecision] + N[(x * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + 5\right) \cdot z + x \cdot y
\end{array}
herbie shell --seed 2024095
(FPCore (x y z)
:name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, C"
:precision binary64
:alt
(+ (* (+ x 5.0) z) (* x y))
(+ (* x (+ y z)) (* z 5.0)))