
(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-def100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -7.7e+149)
(* z x)
(if (<= x -2.25e-84)
(* x y)
(if (<= x 8e-58)
(* z 5.0)
(if (or (<= x 6e+74) (not (<= x 5.6e+134))) (* x y) (* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.7e+149) {
tmp = z * x;
} else if (x <= -2.25e-84) {
tmp = x * y;
} else if (x <= 8e-58) {
tmp = z * 5.0;
} else if ((x <= 6e+74) || !(x <= 5.6e+134)) {
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 <= (-7.7d+149)) then
tmp = z * x
else if (x <= (-2.25d-84)) then
tmp = x * y
else if (x <= 8d-58) then
tmp = z * 5.0d0
else if ((x <= 6d+74) .or. (.not. (x <= 5.6d+134))) 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 <= -7.7e+149) {
tmp = z * x;
} else if (x <= -2.25e-84) {
tmp = x * y;
} else if (x <= 8e-58) {
tmp = z * 5.0;
} else if ((x <= 6e+74) || !(x <= 5.6e+134)) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -7.7e+149: tmp = z * x elif x <= -2.25e-84: tmp = x * y elif x <= 8e-58: tmp = z * 5.0 elif (x <= 6e+74) or not (x <= 5.6e+134): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -7.7e+149) tmp = Float64(z * x); elseif (x <= -2.25e-84) tmp = Float64(x * y); elseif (x <= 8e-58) tmp = Float64(z * 5.0); elseif ((x <= 6e+74) || !(x <= 5.6e+134)) 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 <= -7.7e+149) tmp = z * x; elseif (x <= -2.25e-84) tmp = x * y; elseif (x <= 8e-58) tmp = z * 5.0; elseif ((x <= 6e+74) || ~((x <= 5.6e+134))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -7.7e+149], N[(z * x), $MachinePrecision], If[LessEqual[x, -2.25e-84], N[(x * y), $MachinePrecision], If[LessEqual[x, 8e-58], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 6e+74], N[Not[LessEqual[x, 5.6e+134]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.7 \cdot 10^{+149}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -2.25 \cdot 10^{-84}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 8 \cdot 10^{-58}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 6 \cdot 10^{+74} \lor \neg \left(x \leq 5.6 \cdot 10^{+134}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -7.69999999999999998e149 or 6e74 < x < 5.5999999999999997e134Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 75.2%
if -7.69999999999999998e149 < x < -2.25000000000000008e-84 or 8.0000000000000002e-58 < x < 6e74 or 5.5999999999999997e134 < x Initial program 100.0%
Taylor expanded in y around inf 63.3%
if -2.25000000000000008e-84 < x < 8.0000000000000002e-58Initial program 99.8%
Taylor expanded in x around 0 74.5%
Final simplification70.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.0) (not (<= x 5.0))) (* x (+ z y)) (- (* x y) (* z -5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(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 <= (-5.0d0)) .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 <= -5.0) || !(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 <= -5.0) 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 <= -5.0) || !(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 <= -5.0) || ~((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, -5.0], 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 -5 \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 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.3%
+-commutative99.3%
Simplified99.3%
if -5 < x < 5Initial program 99.8%
+-commutative99.8%
fma-def100.0%
Applied egg-rr100.0%
Taylor expanded in z around -inf 99.8%
+-commutative99.8%
mul-1-neg99.8%
unsub-neg99.8%
sub-neg99.8%
+-commutative99.8%
mul-1-neg99.8%
unsub-neg99.8%
metadata-eval99.8%
Simplified99.8%
Taylor expanded in x around 0 98.8%
*-commutative98.8%
Simplified98.8%
Final simplification99.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.2e-84) (not (<= x 5.8e-58))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.2e-84) || !(x <= 5.8e-58)) {
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 <= (-2.2d-84)) .or. (.not. (x <= 5.8d-58))) 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 <= -2.2e-84) || !(x <= 5.8e-58)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.2e-84) or not (x <= 5.8e-58): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.2e-84) || !(x <= 5.8e-58)) 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 <= -2.2e-84) || ~((x <= 5.8e-58))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.2e-84], N[Not[LessEqual[x, 5.8e-58]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.2 \cdot 10^{-84} \lor \neg \left(x \leq 5.8 \cdot 10^{-58}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -2.1999999999999999e-84 or 5.7999999999999998e-58 < x Initial program 100.0%
Taylor expanded in x around inf 94.0%
+-commutative94.0%
Simplified94.0%
if -2.1999999999999999e-84 < x < 5.7999999999999998e-58Initial program 99.8%
Taylor expanded in x around 0 74.5%
Final simplification86.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -7.5e-87) (not (<= x 1.25e-53))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -7.5e-87) || !(x <= 1.25e-53)) {
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 <= (-7.5d-87)) .or. (.not. (x <= 1.25d-53))) 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 <= -7.5e-87) || !(x <= 1.25e-53)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -7.5e-87) or not (x <= 1.25e-53): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -7.5e-87) || !(x <= 1.25e-53)) 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 <= -7.5e-87) || ~((x <= 1.25e-53))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -7.5e-87], N[Not[LessEqual[x, 1.25e-53]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.5 \cdot 10^{-87} \lor \neg \left(x \leq 1.25 \cdot 10^{-53}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -7.5000000000000002e-87 or 1.25e-53 < x Initial program 100.0%
Taylor expanded in y around inf 53.1%
if -7.5000000000000002e-87 < x < 1.25e-53Initial program 99.8%
Taylor expanded in x around 0 74.5%
Final simplification61.0%
(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 32.9%
Final simplification32.9%
(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 2024029
(FPCore (x y z)
:name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, C"
:precision binary64
:herbie-target
(+ (* (+ x 5.0) z) (* x y))
(+ (* x (+ y z)) (* z 5.0)))