
(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 8 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 -3.9e-10)
(* x y)
(if (<= x 1.7e-10)
(* z 5.0)
(if (or (<= x 3e+20) (not (<= x 1.22e+61))) (* x y) (* z x)))))
double code(double x, double y, double z) {
double tmp;
if (x <= -3.9e-10) {
tmp = x * y;
} else if (x <= 1.7e-10) {
tmp = z * 5.0;
} else if ((x <= 3e+20) || !(x <= 1.22e+61)) {
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 <= (-3.9d-10)) then
tmp = x * y
else if (x <= 1.7d-10) then
tmp = z * 5.0d0
else if ((x <= 3d+20) .or. (.not. (x <= 1.22d+61))) 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 <= -3.9e-10) {
tmp = x * y;
} else if (x <= 1.7e-10) {
tmp = z * 5.0;
} else if ((x <= 3e+20) || !(x <= 1.22e+61)) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -3.9e-10: tmp = x * y elif x <= 1.7e-10: tmp = z * 5.0 elif (x <= 3e+20) or not (x <= 1.22e+61): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -3.9e-10) tmp = Float64(x * y); elseif (x <= 1.7e-10) tmp = Float64(z * 5.0); elseif ((x <= 3e+20) || !(x <= 1.22e+61)) 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 <= -3.9e-10) tmp = x * y; elseif (x <= 1.7e-10) tmp = z * 5.0; elseif ((x <= 3e+20) || ~((x <= 1.22e+61))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -3.9e-10], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.7e-10], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 3e+20], N[Not[LessEqual[x, 1.22e+61]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.9 \cdot 10^{-10}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.7 \cdot 10^{-10}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 3 \cdot 10^{+20} \lor \neg \left(x \leq 1.22 \cdot 10^{+61}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -3.9e-10 or 1.70000000000000007e-10 < x < 3e20 or 1.22e61 < x Initial program 100.0%
Taylor expanded in y around inf 85.9%
+-commutative85.9%
associate-/l*88.4%
distribute-rgt-out91.9%
Simplified91.9%
Taylor expanded in z around 0 62.2%
if -3.9e-10 < x < 1.70000000000000007e-10Initial program 99.9%
+-commutative99.9%
fma-define99.9%
Applied egg-rr99.9%
Taylor expanded in x around 0 73.8%
*-commutative73.8%
Simplified73.8%
if 3e20 < x < 1.22e61Initial program 100.0%
distribute-rgt-in100.0%
associate-+l+100.0%
*-commutative100.0%
fma-define100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in x around inf 100.0%
Taylor expanded in y around 0 92.6%
Final simplification69.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.0) (not (<= x 0.0045))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(x <= 0.0045)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (x * y);
}
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 <= 0.0045d0))) then
tmp = x * (z + y)
else
tmp = (z * 5.0d0) + (x * y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(x <= 0.0045)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.0) or not (x <= 0.0045): tmp = x * (z + y) else: tmp = (z * 5.0) + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.0) || !(x <= 0.0045)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(Float64(z * 5.0) + Float64(x * y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -5.0) || ~((x <= 0.0045))) tmp = x * (z + y); else tmp = (z * 5.0) + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.0], N[Not[LessEqual[x, 0.0045]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(N[(z * 5.0), $MachinePrecision] + N[(x * y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5 \lor \neg \left(x \leq 0.0045\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + x \cdot y\\
\end{array}
\end{array}
if x < -5 or 0.00449999999999999966 < x Initial program 100.0%
Taylor expanded in x around inf 99.1%
if -5 < x < 0.00449999999999999966Initial program 99.9%
Taylor expanded in y around inf 99.6%
Final simplification99.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.05e+14) (not (<= x 4e-7))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.05e+14) || !(x <= 4e-7)) {
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 <= (-2.05d+14)) .or. (.not. (x <= 4d-7))) 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 <= -2.05e+14) || !(x <= 4e-7)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.05e+14) or not (x <= 4e-7): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.05e+14) || !(x <= 4e-7)) 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 <= -2.05e+14) || ~((x <= 4e-7))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.05e+14], N[Not[LessEqual[x, 4e-7]], $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 -2.05 \cdot 10^{+14} \lor \neg \left(x \leq 4 \cdot 10^{-7}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -2.05e14 or 3.9999999999999998e-7 < x Initial program 100.0%
Taylor expanded in x around inf 99.7%
if -2.05e14 < x < 3.9999999999999998e-7Initial program 99.9%
Taylor expanded in y around 0 74.7%
+-commutative74.7%
distribute-rgt-in74.7%
Simplified74.7%
Final simplification86.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -8e-10) (not (<= x 4.3e-15))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8e-10) || !(x <= 4.3e-15)) {
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 <= (-8d-10)) .or. (.not. (x <= 4.3d-15))) 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 <= -8e-10) || !(x <= 4.3e-15)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8e-10) or not (x <= 4.3e-15): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8e-10) || !(x <= 4.3e-15)) 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 <= -8e-10) || ~((x <= 4.3e-15))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8e-10], N[Not[LessEqual[x, 4.3e-15]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8 \cdot 10^{-10} \lor \neg \left(x \leq 4.3 \cdot 10^{-15}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -8.00000000000000029e-10 or 4.2999999999999997e-15 < x Initial program 100.0%
Taylor expanded in x around inf 99.1%
if -8.00000000000000029e-10 < x < 4.2999999999999997e-15Initial program 99.9%
+-commutative99.9%
fma-define99.9%
Applied egg-rr99.9%
Taylor expanded in x around 0 73.8%
*-commutative73.8%
Simplified73.8%
Final simplification86.3%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.2e-61) (not (<= y 3.2e-44))) (* x y) (* z x)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.2e-61) || !(y <= 3.2e-44)) {
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 ((y <= (-2.2d-61)) .or. (.not. (y <= 3.2d-44))) 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 ((y <= -2.2e-61) || !(y <= 3.2e-44)) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.2e-61) or not (y <= 3.2e-44): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.2e-61) || !(y <= 3.2e-44)) tmp = Float64(x * y); else tmp = Float64(z * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -2.2e-61) || ~((y <= 3.2e-44))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.2e-61], N[Not[LessEqual[y, 3.2e-44]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.2 \cdot 10^{-61} \lor \neg \left(y \leq 3.2 \cdot 10^{-44}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if y < -2.20000000000000009e-61 or 3.19999999999999995e-44 < y Initial program 99.9%
Taylor expanded in y around inf 96.7%
+-commutative96.7%
associate-/l*98.6%
distribute-rgt-out98.6%
Simplified98.6%
Taylor expanded in z around 0 64.2%
if -2.20000000000000009e-61 < y < 3.19999999999999995e-44Initial program 99.9%
distribute-rgt-in99.9%
associate-+l+99.9%
*-commutative99.9%
fma-define99.9%
distribute-lft-out99.9%
Simplified99.9%
Taylor expanded in x around inf 46.6%
Taylor expanded in y around 0 38.2%
Final simplification53.7%
(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 x))
double code(double x, double y, double z) {
return z * x;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z * x
end function
public static double code(double x, double y, double z) {
return z * x;
}
def code(x, y, z): return z * x
function code(x, y, z) return Float64(z * x) end
function tmp = code(x, y, z) tmp = z * x; end
code[x_, y_, z_] := N[(z * x), $MachinePrecision]
\begin{array}{l}
\\
z \cdot x
\end{array}
Initial program 99.9%
distribute-rgt-in97.6%
associate-+l+97.6%
*-commutative97.6%
fma-define98.8%
distribute-lft-out98.8%
Simplified98.8%
Taylor expanded in x around inf 62.1%
Taylor expanded in y around 0 26.3%
Final simplification26.3%
(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 2024170
(FPCore (x y z)
:name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, C"
:precision binary64
:alt
(! :herbie-platform default (+ (* (+ x 5) z) (* x y)))
(+ (* x (+ y z)) (* z 5.0)))