
(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 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (<= x -8.5e+38) (* z x) (if (or (<= x -3.3e-19) (not (<= x 2.3e-32))) (* x y) (* z 5.0))))
double code(double x, double y, double z) {
double tmp;
if (x <= -8.5e+38) {
tmp = z * x;
} else if ((x <= -3.3e-19) || !(x <= 2.3e-32)) {
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 <= (-8.5d+38)) then
tmp = z * x
else if ((x <= (-3.3d-19)) .or. (.not. (x <= 2.3d-32))) 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 <= -8.5e+38) {
tmp = z * x;
} else if ((x <= -3.3e-19) || !(x <= 2.3e-32)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -8.5e+38: tmp = z * x elif (x <= -3.3e-19) or not (x <= 2.3e-32): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if (x <= -8.5e+38) tmp = Float64(z * x); elseif ((x <= -3.3e-19) || !(x <= 2.3e-32)) 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 <= -8.5e+38) tmp = z * x; elseif ((x <= -3.3e-19) || ~((x <= 2.3e-32))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -8.5e+38], N[(z * x), $MachinePrecision], If[Or[LessEqual[x, -3.3e-19], N[Not[LessEqual[x, 2.3e-32]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8.5 \cdot 10^{+38}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -3.3 \cdot 10^{-19} \lor \neg \left(x \leq 2.3 \cdot 10^{-32}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -8.4999999999999997e38Initial program 100.0%
Taylor expanded in y around 0 76.1%
distribute-rgt-in76.1%
+-commutative76.1%
Simplified76.1%
Taylor expanded in x around inf 76.1%
if -8.4999999999999997e38 < x < -3.2999999999999998e-19 or 2.3000000000000001e-32 < x Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 60.2%
if -3.2999999999999998e-19 < x < 2.3000000000000001e-32Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 77.5%
*-commutative77.5%
Simplified77.5%
Final simplification71.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -1060000000000.0) (not (<= x 5.0))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1060000000000.0) || !(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 <= (-1060000000000.0d0)) .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 <= -1060000000000.0) || !(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 <= -1060000000000.0) 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 <= -1060000000000.0) || !(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 <= -1060000000000.0) || ~((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, -1060000000000.0], 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 -1060000000000 \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 < -1.06e12 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.5%
if -1.06e12 < x < 5Initial program 99.9%
Taylor expanded in y around inf 99.2%
Final simplification99.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.102) (not (<= x 7.5e-36))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.102) || !(x <= 7.5e-36)) {
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 <= (-0.102d0)) .or. (.not. (x <= 7.5d-36))) 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 <= -0.102) || !(x <= 7.5e-36)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.102) or not (x <= 7.5e-36): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.102) || !(x <= 7.5e-36)) 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 <= -0.102) || ~((x <= 7.5e-36))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.102], N[Not[LessEqual[x, 7.5e-36]], $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 -0.102 \lor \neg \left(x \leq 7.5 \cdot 10^{-36}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -0.101999999999999993 or 7.49999999999999972e-36 < x Initial program 100.0%
Taylor expanded in x around inf 98.2%
if -0.101999999999999993 < x < 7.49999999999999972e-36Initial program 99.9%
Taylor expanded in y around 0 77.0%
distribute-rgt-in77.0%
+-commutative77.0%
Simplified77.0%
Final simplification87.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.45e-19) (not (<= x 2.8e-31))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.45e-19) || !(x <= 2.8e-31)) {
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 <= (-3.45d-19)) .or. (.not. (x <= 2.8d-31))) 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 <= -3.45e-19) || !(x <= 2.8e-31)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.45e-19) or not (x <= 2.8e-31): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.45e-19) || !(x <= 2.8e-31)) 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 <= -3.45e-19) || ~((x <= 2.8e-31))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.45e-19], N[Not[LessEqual[x, 2.8e-31]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.45 \cdot 10^{-19} \lor \neg \left(x \leq 2.8 \cdot 10^{-31}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.4499999999999999e-19 or 2.7999999999999999e-31 < x Initial program 100.0%
Taylor expanded in x around inf 97.5%
if -3.4499999999999999e-19 < x < 2.7999999999999999e-31Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 77.5%
*-commutative77.5%
Simplified77.5%
Final simplification87.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.5e-19) (not (<= x 9e-35))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.5e-19) || !(x <= 9e-35)) {
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 <= (-3.5d-19)) .or. (.not. (x <= 9d-35))) 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 <= -3.5e-19) || !(x <= 9e-35)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.5e-19) or not (x <= 9e-35): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.5e-19) || !(x <= 9e-35)) 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 <= -3.5e-19) || ~((x <= 9e-35))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.5e-19], N[Not[LessEqual[x, 9e-35]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.5 \cdot 10^{-19} \lor \neg \left(x \leq 9 \cdot 10^{-35}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.50000000000000015e-19 or 9.0000000000000002e-35 < x Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 49.6%
if -3.50000000000000015e-19 < x < 9.0000000000000002e-35Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 77.5%
*-commutative77.5%
Simplified77.5%
Final simplification63.1%
(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 100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (* x y))
double code(double x, double y, double z) {
return 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 * y
end function
public static double code(double x, double y, double z) {
return x * y;
}
def code(x, y, z): return x * y
function code(x, y, z) return Float64(x * y) end
function tmp = code(x, y, z) tmp = x * y; end
code[x_, y_, z_] := N[(x * y), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y
\end{array}
Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 37.6%
(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 2024132
(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)))