
(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 9 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 (fma x (+ z y) (* z 5.0)))
double code(double x, double y, double z) {
return fma(x, (z + y), (z * 5.0));
}
function code(x, y, z) return fma(x, Float64(z + y), Float64(z * 5.0)) end
code[x_, y_, z_] := N[(x * N[(z + y), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(x, z + y, z \cdot 5\right)
\end{array}
Initial program 99.9%
fma-define100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -2.4e+105)
(* z x)
(if (<= x -3.2e-47)
(* x y)
(if (<= x 0.29)
(* z 5.0)
(if (or (<= x 6e+206) (not (<= x 1.8e+260))) (* x y) (* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.4e+105) {
tmp = z * x;
} else if (x <= -3.2e-47) {
tmp = x * y;
} else if (x <= 0.29) {
tmp = z * 5.0;
} else if ((x <= 6e+206) || !(x <= 1.8e+260)) {
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 <= (-2.4d+105)) then
tmp = z * x
else if (x <= (-3.2d-47)) then
tmp = x * y
else if (x <= 0.29d0) then
tmp = z * 5.0d0
else if ((x <= 6d+206) .or. (.not. (x <= 1.8d+260))) 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 <= -2.4e+105) {
tmp = z * x;
} else if (x <= -3.2e-47) {
tmp = x * y;
} else if (x <= 0.29) {
tmp = z * 5.0;
} else if ((x <= 6e+206) || !(x <= 1.8e+260)) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.4e+105: tmp = z * x elif x <= -3.2e-47: tmp = x * y elif x <= 0.29: tmp = z * 5.0 elif (x <= 6e+206) or not (x <= 1.8e+260): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.4e+105) tmp = Float64(z * x); elseif (x <= -3.2e-47) tmp = Float64(x * y); elseif (x <= 0.29) tmp = Float64(z * 5.0); elseif ((x <= 6e+206) || !(x <= 1.8e+260)) 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 <= -2.4e+105) tmp = z * x; elseif (x <= -3.2e-47) tmp = x * y; elseif (x <= 0.29) tmp = z * 5.0; elseif ((x <= 6e+206) || ~((x <= 1.8e+260))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.4e+105], N[(z * x), $MachinePrecision], If[LessEqual[x, -3.2e-47], N[(x * y), $MachinePrecision], If[LessEqual[x, 0.29], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 6e+206], N[Not[LessEqual[x, 1.8e+260]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.4 \cdot 10^{+105}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -3.2 \cdot 10^{-47}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 0.29:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 6 \cdot 10^{+206} \lor \neg \left(x \leq 1.8 \cdot 10^{+260}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -2.39999999999999975e105 or 6.0000000000000002e206 < x < 1.7999999999999999e260Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 69.1%
if -2.39999999999999975e105 < x < -3.1999999999999999e-47 or 0.28999999999999998 < x < 6.0000000000000002e206 or 1.7999999999999999e260 < x Initial program 100.0%
Taylor expanded in y around inf 60.6%
if -3.1999999999999999e-47 < x < 0.28999999999999998Initial program 99.9%
Taylor expanded in x around 0 75.8%
Final simplification69.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.0) (not (<= x 1.85))) (* x (+ z y)) (+ (* x y) (* z 5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(x <= 1.85)) {
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 <= (-5.0d0)) .or. (.not. (x <= 1.85d0))) 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 <= -5.0) || !(x <= 1.85)) {
tmp = x * (z + y);
} else {
tmp = (x * y) + (z * 5.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.0) or not (x <= 1.85): tmp = x * (z + y) else: tmp = (x * y) + (z * 5.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.0) || !(x <= 1.85)) 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 <= -5.0) || ~((x <= 1.85))) tmp = x * (z + y); else tmp = (x * y) + (z * 5.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.0], N[Not[LessEqual[x, 1.85]], $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 -5 \lor \neg \left(x \leq 1.85\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y + z \cdot 5\\
\end{array}
\end{array}
if x < -5 or 1.8500000000000001 < x Initial program 100.0%
Taylor expanded in x around inf 98.0%
+-commutative98.0%
Simplified98.0%
if -5 < x < 1.8500000000000001Initial program 99.9%
Taylor expanded in y around inf 99.1%
Final simplification98.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.4e-47) (not (<= x 0.78))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.4e-47) || !(x <= 0.78)) {
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 <= (-3.4d-47)) .or. (.not. (x <= 0.78d0))) 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 <= -3.4e-47) || !(x <= 0.78)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.4e-47) or not (x <= 0.78): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.4e-47) || !(x <= 0.78)) 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 <= -3.4e-47) || ~((x <= 0.78))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.4e-47], N[Not[LessEqual[x, 0.78]], $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 -3.4 \cdot 10^{-47} \lor \neg \left(x \leq 0.78\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -3.4000000000000002e-47 or 0.78000000000000003 < x Initial program 100.0%
Taylor expanded in x around inf 97.4%
+-commutative97.4%
Simplified97.4%
if -3.4000000000000002e-47 < x < 0.78000000000000003Initial program 99.9%
Taylor expanded in y around 0 76.6%
distribute-rgt-in76.6%
Simplified76.6%
Final simplification88.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.4e-47) (not (<= x 5.5e-46))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.4e-47) || !(x <= 5.5e-46)) {
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 <= (-3.4d-47)) .or. (.not. (x <= 5.5d-46))) 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 <= -3.4e-47) || !(x <= 5.5e-46)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.4e-47) or not (x <= 5.5e-46): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.4e-47) || !(x <= 5.5e-46)) 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 <= -3.4e-47) || ~((x <= 5.5e-46))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.4e-47], N[Not[LessEqual[x, 5.5e-46]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.4 \cdot 10^{-47} \lor \neg \left(x \leq 5.5 \cdot 10^{-46}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.4000000000000002e-47 or 5.49999999999999983e-46 < x Initial program 100.0%
Taylor expanded in x around inf 95.1%
+-commutative95.1%
Simplified95.1%
if -3.4000000000000002e-47 < x < 5.49999999999999983e-46Initial program 99.9%
Taylor expanded in x around 0 77.7%
Final simplification87.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.4e-47) (not (<= x 0.29))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.4e-47) || !(x <= 0.29)) {
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 <= (-3.4d-47)) .or. (.not. (x <= 0.29d0))) 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 <= -3.4e-47) || !(x <= 0.29)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.4e-47) or not (x <= 0.29): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.4e-47) || !(x <= 0.29)) 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 <= -3.4e-47) || ~((x <= 0.29))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.4e-47], N[Not[LessEqual[x, 0.29]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.4 \cdot 10^{-47} \lor \neg \left(x \leq 0.29\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.4000000000000002e-47 or 0.28999999999999998 < x Initial program 100.0%
Taylor expanded in y around inf 53.9%
if -3.4000000000000002e-47 < x < 0.28999999999999998Initial program 99.9%
Taylor expanded in x around 0 75.8%
Final simplification63.7%
(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 35.8%
Final simplification35.8%
(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 2024110
(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)))