
(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-define99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (x y z)
:precision binary64
(if (<= x -1.1e+284)
(* x y)
(if (<= x -6.6e+226)
(* z x)
(if (<= x -6.8e+190)
(* x y)
(if (<= x -2.3e+129)
(* z x)
(if (or (<= x -1.32e-18) (not (<= x 2.95e-13)))
(* x y)
(* z 5.0)))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.1e+284) {
tmp = x * y;
} else if (x <= -6.6e+226) {
tmp = z * x;
} else if (x <= -6.8e+190) {
tmp = x * y;
} else if (x <= -2.3e+129) {
tmp = z * x;
} else if ((x <= -1.32e-18) || !(x <= 2.95e-13)) {
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 <= (-1.1d+284)) then
tmp = x * y
else if (x <= (-6.6d+226)) then
tmp = z * x
else if (x <= (-6.8d+190)) then
tmp = x * y
else if (x <= (-2.3d+129)) then
tmp = z * x
else if ((x <= (-1.32d-18)) .or. (.not. (x <= 2.95d-13))) 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 <= -1.1e+284) {
tmp = x * y;
} else if (x <= -6.6e+226) {
tmp = z * x;
} else if (x <= -6.8e+190) {
tmp = x * y;
} else if (x <= -2.3e+129) {
tmp = z * x;
} else if ((x <= -1.32e-18) || !(x <= 2.95e-13)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.1e+284: tmp = x * y elif x <= -6.6e+226: tmp = z * x elif x <= -6.8e+190: tmp = x * y elif x <= -2.3e+129: tmp = z * x elif (x <= -1.32e-18) or not (x <= 2.95e-13): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.1e+284) tmp = Float64(x * y); elseif (x <= -6.6e+226) tmp = Float64(z * x); elseif (x <= -6.8e+190) tmp = Float64(x * y); elseif (x <= -2.3e+129) tmp = Float64(z * x); elseif ((x <= -1.32e-18) || !(x <= 2.95e-13)) 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 <= -1.1e+284) tmp = x * y; elseif (x <= -6.6e+226) tmp = z * x; elseif (x <= -6.8e+190) tmp = x * y; elseif (x <= -2.3e+129) tmp = z * x; elseif ((x <= -1.32e-18) || ~((x <= 2.95e-13))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.1e+284], N[(x * y), $MachinePrecision], If[LessEqual[x, -6.6e+226], N[(z * x), $MachinePrecision], If[LessEqual[x, -6.8e+190], N[(x * y), $MachinePrecision], If[LessEqual[x, -2.3e+129], N[(z * x), $MachinePrecision], If[Or[LessEqual[x, -1.32e-18], N[Not[LessEqual[x, 2.95e-13]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.1 \cdot 10^{+284}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -6.6 \cdot 10^{+226}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -6.8 \cdot 10^{+190}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -2.3 \cdot 10^{+129}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -1.32 \cdot 10^{-18} \lor \neg \left(x \leq 2.95 \cdot 10^{-13}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.09999999999999997e284 or -6.59999999999999956e226 < x < -6.7999999999999999e190 or -2.2999999999999999e129 < x < -1.3199999999999999e-18 or 2.95000000000000005e-13 < x Initial program 100.0%
Taylor expanded in y around inf 67.7%
if -1.09999999999999997e284 < x < -6.59999999999999956e226 or -6.7999999999999999e190 < x < -2.2999999999999999e129Initial program 100.0%
Taylor expanded in y around 0 79.2%
distribute-rgt-in79.2%
Simplified79.2%
Taylor expanded in x around inf 79.2%
if -1.3199999999999999e-18 < x < 2.95000000000000005e-13Initial program 99.9%
Taylor expanded in x around 0 80.3%
Final simplification75.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.55e-9) (not (<= x 5.0))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.55e-9) || !(x <= 5.0)) {
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 <= (-1.55d-9)) .or. (.not. (x <= 5.0d0))) 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 <= -1.55e-9) || !(x <= 5.0)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.55e-9) or not (x <= 5.0): tmp = x * (z + y) else: tmp = (z * 5.0) + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.55e-9) || !(x <= 5.0)) 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 <= -1.55e-9) || ~((x <= 5.0))) tmp = x * (z + y); else tmp = (z * 5.0) + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.55e-9], N[Not[LessEqual[x, 5.0]], $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 -1.55 \cdot 10^{-9} \lor \neg \left(x \leq 5\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + x \cdot y\\
\end{array}
\end{array}
if x < -1.55000000000000002e-9 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.1%
+-commutative99.1%
Simplified99.1%
if -1.55000000000000002e-9 < x < 5Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in y around inf 84.1%
associate-/l*83.9%
distribute-rgt-out84.6%
+-commutative84.6%
Simplified84.6%
Taylor expanded in x around 0 84.6%
*-commutative84.6%
associate-*l/84.7%
associate-*r/84.6%
Simplified84.6%
Taylor expanded in y around 0 99.9%
Final simplification99.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -7.2e-20) (not (<= x 6.8e-13))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -7.2e-20) || !(x <= 6.8e-13)) {
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 <= (-7.2d-20)) .or. (.not. (x <= 6.8d-13))) 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 <= -7.2e-20) || !(x <= 6.8e-13)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -7.2e-20) or not (x <= 6.8e-13): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -7.2e-20) || !(x <= 6.8e-13)) 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 <= -7.2e-20) || ~((x <= 6.8e-13))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -7.2e-20], N[Not[LessEqual[x, 6.8e-13]], $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 -7.2 \cdot 10^{-20} \lor \neg \left(x \leq 6.8 \cdot 10^{-13}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -7.19999999999999948e-20 or 6.80000000000000031e-13 < x Initial program 100.0%
Taylor expanded in x around inf 98.6%
+-commutative98.6%
Simplified98.6%
if -7.19999999999999948e-20 < x < 6.80000000000000031e-13Initial program 99.9%
Taylor expanded in y around 0 80.3%
distribute-rgt-in80.3%
Simplified80.3%
Final simplification89.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -8.5e-19) (not (<= x 2.05e-14))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8.5e-19) || !(x <= 2.05e-14)) {
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 <= (-8.5d-19)) .or. (.not. (x <= 2.05d-14))) 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 <= -8.5e-19) || !(x <= 2.05e-14)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8.5e-19) or not (x <= 2.05e-14): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8.5e-19) || !(x <= 2.05e-14)) 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 <= -8.5e-19) || ~((x <= 2.05e-14))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8.5e-19], N[Not[LessEqual[x, 2.05e-14]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8.5 \cdot 10^{-19} \lor \neg \left(x \leq 2.05 \cdot 10^{-14}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -8.50000000000000003e-19 or 2.0500000000000001e-14 < x Initial program 100.0%
Taylor expanded in x around inf 98.6%
+-commutative98.6%
Simplified98.6%
if -8.50000000000000003e-19 < x < 2.0500000000000001e-14Initial program 99.9%
Taylor expanded in x around 0 80.3%
Final simplification89.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -3e-19) (not (<= x 1.6e-13))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3e-19) || !(x <= 1.6e-13)) {
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 <= (-3d-19)) .or. (.not. (x <= 1.6d-13))) 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 <= -3e-19) || !(x <= 1.6e-13)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3e-19) or not (x <= 1.6e-13): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3e-19) || !(x <= 1.6e-13)) 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 <= -3e-19) || ~((x <= 1.6e-13))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3e-19], N[Not[LessEqual[x, 1.6e-13]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3 \cdot 10^{-19} \lor \neg \left(x \leq 1.6 \cdot 10^{-13}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -2.99999999999999993e-19 or 1.6e-13 < x Initial program 100.0%
Taylor expanded in y around inf 59.1%
if -2.99999999999999993e-19 < x < 1.6e-13Initial program 99.9%
Taylor expanded in x around 0 80.3%
Final simplification69.6%
(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 41.2%
Final simplification41.2%
(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 2024103
(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)))