
(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 -8.8e+57)
(* z x)
(if (<= x -2.25e-17)
(* x y)
(if (<= x 1.08e-68)
(* z 5.0)
(if (or (<= x 2e+32)
(not
(or (<= x 9.8e+92)
(and (not (<= x 6.5e+183)) (<= x 1.9e+267)))))
(* x y)
(* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -8.8e+57) {
tmp = z * x;
} else if (x <= -2.25e-17) {
tmp = x * y;
} else if (x <= 1.08e-68) {
tmp = z * 5.0;
} else if ((x <= 2e+32) || !((x <= 9.8e+92) || (!(x <= 6.5e+183) && (x <= 1.9e+267)))) {
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 <= (-8.8d+57)) then
tmp = z * x
else if (x <= (-2.25d-17)) then
tmp = x * y
else if (x <= 1.08d-68) then
tmp = z * 5.0d0
else if ((x <= 2d+32) .or. (.not. (x <= 9.8d+92) .or. (.not. (x <= 6.5d+183)) .and. (x <= 1.9d+267))) 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 <= -8.8e+57) {
tmp = z * x;
} else if (x <= -2.25e-17) {
tmp = x * y;
} else if (x <= 1.08e-68) {
tmp = z * 5.0;
} else if ((x <= 2e+32) || !((x <= 9.8e+92) || (!(x <= 6.5e+183) && (x <= 1.9e+267)))) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -8.8e+57: tmp = z * x elif x <= -2.25e-17: tmp = x * y elif x <= 1.08e-68: tmp = z * 5.0 elif (x <= 2e+32) or not ((x <= 9.8e+92) or (not (x <= 6.5e+183) and (x <= 1.9e+267))): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -8.8e+57) tmp = Float64(z * x); elseif (x <= -2.25e-17) tmp = Float64(x * y); elseif (x <= 1.08e-68) tmp = Float64(z * 5.0); elseif ((x <= 2e+32) || !((x <= 9.8e+92) || (!(x <= 6.5e+183) && (x <= 1.9e+267)))) 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 <= -8.8e+57) tmp = z * x; elseif (x <= -2.25e-17) tmp = x * y; elseif (x <= 1.08e-68) tmp = z * 5.0; elseif ((x <= 2e+32) || ~(((x <= 9.8e+92) || (~((x <= 6.5e+183)) && (x <= 1.9e+267))))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -8.8e+57], N[(z * x), $MachinePrecision], If[LessEqual[x, -2.25e-17], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.08e-68], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 2e+32], N[Not[Or[LessEqual[x, 9.8e+92], And[N[Not[LessEqual[x, 6.5e+183]], $MachinePrecision], LessEqual[x, 1.9e+267]]]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8.8 \cdot 10^{+57}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -2.25 \cdot 10^{-17}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.08 \cdot 10^{-68}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 2 \cdot 10^{+32} \lor \neg \left(x \leq 9.8 \cdot 10^{+92} \lor \neg \left(x \leq 6.5 \cdot 10^{+183}\right) \land x \leq 1.9 \cdot 10^{+267}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -8.8000000000000003e57 or 2.00000000000000011e32 < x < 9.8000000000000003e92 or 6.49999999999999983e183 < x < 1.90000000000000009e267Initial program 100.0%
Taylor expanded in y around inf 70.9%
associate-/l*74.4%
distribute-rgt-out87.6%
Simplified87.6%
*-commutative87.6%
clear-num87.6%
un-div-inv87.6%
+-commutative87.6%
Applied egg-rr87.6%
Taylor expanded in z around inf 49.1%
*-commutative49.1%
distribute-rgt-in36.0%
associate-*r/36.0%
metadata-eval36.0%
associate-*l/36.0%
associate-*r/36.0%
associate-*l/40.1%
associate-/l*39.9%
distribute-rgt-in53.1%
+-commutative53.1%
associate-*l*68.6%
+-commutative68.6%
Simplified68.6%
Taylor expanded in x around inf 65.6%
*-commutative65.6%
Simplified65.6%
if -8.8000000000000003e57 < x < -2.24999999999999989e-17 or 1.0799999999999999e-68 < x < 2.00000000000000011e32 or 9.8000000000000003e92 < x < 6.49999999999999983e183 or 1.90000000000000009e267 < x Initial program 100.0%
Taylor expanded in y around inf 68.3%
if -2.24999999999999989e-17 < x < 1.0799999999999999e-68Initial program 99.9%
Taylor expanded in x around 0 74.7%
Final simplification70.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -5200000.0) (not (<= x 5.0))) (* x (+ z y)) (+ (* x y) (* z 5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5200000.0) || !(x <= 5.0)) {
tmp = x * (z + y);
} else {
tmp = (x * y) + (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 <= (-5200000.0d0)) .or. (.not. (x <= 5.0d0))) then
tmp = x * (z + y)
else
tmp = (x * y) + (z * 5.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -5200000.0) || !(x <= 5.0)) {
tmp = x * (z + y);
} else {
tmp = (x * y) + (z * 5.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5200000.0) or not (x <= 5.0): tmp = x * (z + y) else: tmp = (x * y) + (z * 5.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5200000.0) || !(x <= 5.0)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(Float64(x * y) + Float64(z * 5.0)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -5200000.0) || ~((x <= 5.0))) tmp = x * (z + y); else tmp = (x * y) + (z * 5.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5200000.0], N[Not[LessEqual[x, 5.0]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5200000 \lor \neg \left(x \leq 5\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y + z \cdot 5\\
\end{array}
\end{array}
if x < -5.2e6 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.2%
+-commutative99.2%
Simplified99.2%
if -5.2e6 < x < 5Initial program 99.9%
Taylor expanded in y around inf 99.2%
Final simplification99.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -4.4e-15) (not (<= x 7.6e-76))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.4e-15) || !(x <= 7.6e-76)) {
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 <= (-4.4d-15)) .or. (.not. (x <= 7.6d-76))) 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 <= -4.4e-15) || !(x <= 7.6e-76)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.4e-15) or not (x <= 7.6e-76): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.4e-15) || !(x <= 7.6e-76)) 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 <= -4.4e-15) || ~((x <= 7.6e-76))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.4e-15], N[Not[LessEqual[x, 7.6e-76]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.4 \cdot 10^{-15} \lor \neg \left(x \leq 7.6 \cdot 10^{-76}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -4.39999999999999971e-15 or 7.6000000000000004e-76 < x Initial program 100.0%
Taylor expanded in x around inf 95.2%
+-commutative95.2%
Simplified95.2%
if -4.39999999999999971e-15 < x < 7.6000000000000004e-76Initial program 99.9%
Taylor expanded in x around 0 75.7%
Final simplification87.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.7e-17) (not (<= x 3.8e-69))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.7e-17) || !(x <= 3.8e-69)) {
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 <= (-1.7d-17)) .or. (.not. (x <= 3.8d-69))) 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 <= -1.7e-17) || !(x <= 3.8e-69)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.7e-17) or not (x <= 3.8e-69): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.7e-17) || !(x <= 3.8e-69)) 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 <= -1.7e-17) || ~((x <= 3.8e-69))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.7e-17], N[Not[LessEqual[x, 3.8e-69]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.7 \cdot 10^{-17} \lor \neg \left(x \leq 3.8 \cdot 10^{-69}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.6999999999999999e-17 or 3.7999999999999998e-69 < x Initial program 100.0%
Taylor expanded in y around inf 53.4%
if -1.6999999999999999e-17 < x < 3.7999999999999998e-69Initial program 99.9%
Taylor expanded in x around 0 74.7%
Final simplification62.2%
(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 33.9%
Final simplification33.9%
(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 2024111
(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)))