
(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 -6.7e+212)
(* z x)
(if (<= x -3.2e+167)
(* x y)
(if (<= x -8.8e+61)
(* z x)
(if (or (<= x -2.7e-75) (not (<= x 5.5e-20))) (* x y) (* z 5.0))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -6.7e+212) {
tmp = z * x;
} else if (x <= -3.2e+167) {
tmp = x * y;
} else if (x <= -8.8e+61) {
tmp = z * x;
} else if ((x <= -2.7e-75) || !(x <= 5.5e-20)) {
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 <= (-6.7d+212)) then
tmp = z * x
else if (x <= (-3.2d+167)) then
tmp = x * y
else if (x <= (-8.8d+61)) then
tmp = z * x
else if ((x <= (-2.7d-75)) .or. (.not. (x <= 5.5d-20))) 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 <= -6.7e+212) {
tmp = z * x;
} else if (x <= -3.2e+167) {
tmp = x * y;
} else if (x <= -8.8e+61) {
tmp = z * x;
} else if ((x <= -2.7e-75) || !(x <= 5.5e-20)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -6.7e+212: tmp = z * x elif x <= -3.2e+167: tmp = x * y elif x <= -8.8e+61: tmp = z * x elif (x <= -2.7e-75) or not (x <= 5.5e-20): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if (x <= -6.7e+212) tmp = Float64(z * x); elseif (x <= -3.2e+167) tmp = Float64(x * y); elseif (x <= -8.8e+61) tmp = Float64(z * x); elseif ((x <= -2.7e-75) || !(x <= 5.5e-20)) 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 <= -6.7e+212) tmp = z * x; elseif (x <= -3.2e+167) tmp = x * y; elseif (x <= -8.8e+61) tmp = z * x; elseif ((x <= -2.7e-75) || ~((x <= 5.5e-20))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -6.7e+212], N[(z * x), $MachinePrecision], If[LessEqual[x, -3.2e+167], N[(x * y), $MachinePrecision], If[LessEqual[x, -8.8e+61], N[(z * x), $MachinePrecision], If[Or[LessEqual[x, -2.7e-75], N[Not[LessEqual[x, 5.5e-20]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6.7 \cdot 10^{+212}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -3.2 \cdot 10^{+167}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -8.8 \cdot 10^{+61}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -2.7 \cdot 10^{-75} \lor \neg \left(x \leq 5.5 \cdot 10^{-20}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -6.6999999999999997e212 or -3.19999999999999981e167 < x < -8.8000000000000001e61Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 71.4%
if -6.6999999999999997e212 < x < -3.19999999999999981e167 or -8.8000000000000001e61 < x < -2.6999999999999998e-75 or 5.4999999999999996e-20 < x Initial program 100.0%
Taylor expanded in y around inf 61.1%
if -2.6999999999999998e-75 < x < 5.4999999999999996e-20Initial program 99.9%
Taylor expanded in x around 0 74.0%
Final simplification68.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.2e-75) (not (<= x 1.05e-19))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.2e-75) || !(x <= 1.05e-19)) {
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-75)) .or. (.not. (x <= 1.05d-19))) 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-75) || !(x <= 1.05e-19)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.2e-75) or not (x <= 1.05e-19): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.2e-75) || !(x <= 1.05e-19)) 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-75) || ~((x <= 1.05e-19))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.2e-75], N[Not[LessEqual[x, 1.05e-19]], $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^{-75} \lor \neg \left(x \leq 1.05 \cdot 10^{-19}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.19999999999999977e-75 or 1.0499999999999999e-19 < x Initial program 100.0%
Taylor expanded in x around inf 93.6%
+-commutative93.6%
Simplified93.6%
if -3.19999999999999977e-75 < x < 1.0499999999999999e-19Initial program 99.9%
Taylor expanded in x around 0 74.0%
Final simplification84.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -2e-75) (not (<= x 6.5e-20))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2e-75) || !(x <= 6.5e-20)) {
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 <= (-2d-75)) .or. (.not. (x <= 6.5d-20))) 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 <= -2e-75) || !(x <= 6.5e-20)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2e-75) or not (x <= 6.5e-20): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2e-75) || !(x <= 6.5e-20)) 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 <= -2e-75) || ~((x <= 6.5e-20))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2e-75], N[Not[LessEqual[x, 6.5e-20]], $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 \cdot 10^{-75} \lor \neg \left(x \leq 6.5 \cdot 10^{-20}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -1.9999999999999999e-75 or 6.50000000000000032e-20 < x Initial program 100.0%
Taylor expanded in x around inf 93.6%
+-commutative93.6%
Simplified93.6%
if -1.9999999999999999e-75 < x < 6.50000000000000032e-20Initial program 99.9%
Taylor expanded in y around 0 74.0%
distribute-rgt-in74.0%
Simplified74.0%
Final simplification84.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.5e-76) (not (<= x 7.5e-20))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.5e-76) || !(x <= 7.5e-20)) {
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 <= (-5.5d-76)) .or. (.not. (x <= 7.5d-20))) 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 <= -5.5e-76) || !(x <= 7.5e-20)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.5e-76) or not (x <= 7.5e-20): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.5e-76) || !(x <= 7.5e-20)) 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 <= -5.5e-76) || ~((x <= 7.5e-20))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.5e-76], N[Not[LessEqual[x, 7.5e-20]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.5 \cdot 10^{-76} \lor \neg \left(x \leq 7.5 \cdot 10^{-20}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -5.50000000000000014e-76 or 7.49999999999999981e-20 < x Initial program 100.0%
Taylor expanded in y around inf 54.4%
if -5.50000000000000014e-76 < x < 7.49999999999999981e-20Initial program 99.9%
Taylor expanded in x around 0 74.0%
Final simplification63.2%
(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 37.0%
Final simplification37.0%
(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 2024046
(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)))