
(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 6 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 (or (<= x -13.5) (not (<= x 0.0006))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -13.5) || !(x <= 0.0006)) {
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 <= (-13.5d0)) .or. (.not. (x <= 0.0006d0))) 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 <= -13.5) || !(x <= 0.0006)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -13.5) or not (x <= 0.0006): tmp = x * (z + y) else: tmp = (z * 5.0) + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -13.5) || !(x <= 0.0006)) 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 <= -13.5) || ~((x <= 0.0006))) tmp = x * (z + y); else tmp = (z * 5.0) + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -13.5], N[Not[LessEqual[x, 0.0006]], $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 -13.5 \lor \neg \left(x \leq 0.0006\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + x \cdot y\\
\end{array}
\end{array}
if x < -13.5 or 5.99999999999999947e-4 < x Initial program 100.0%
Taylor expanded in x around inf 98.3%
if -13.5 < x < 5.99999999999999947e-4Initial program 99.8%
Taylor expanded in y around inf 99.2%
Final simplification98.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.5e-61) (not (<= x 9e-138))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.5e-61) || !(x <= 9e-138)) {
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 <= (-1.5d-61)) .or. (.not. (x <= 9d-138))) 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 <= -1.5e-61) || !(x <= 9e-138)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.5e-61) or not (x <= 9e-138): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.5e-61) || !(x <= 9e-138)) 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 <= -1.5e-61) || ~((x <= 9e-138))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.5e-61], N[Not[LessEqual[x, 9e-138]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.5 \cdot 10^{-61} \lor \neg \left(x \leq 9 \cdot 10^{-138}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.50000000000000006e-61 or 9.00000000000000016e-138 < x Initial program 100.0%
Taylor expanded in x around inf 88.9%
if -1.50000000000000006e-61 < x < 9.00000000000000016e-138Initial program 99.8%
+-commutative99.8%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 83.5%
*-commutative83.5%
Simplified83.5%
Final simplification87.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.7e-61) (not (<= x 5.6e-12))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.7e-61) || !(x <= 5.6e-12)) {
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 <= (-1.7d-61)) .or. (.not. (x <= 5.6d-12))) 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 <= -1.7e-61) || !(x <= 5.6e-12)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.7e-61) or not (x <= 5.6e-12): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.7e-61) || !(x <= 5.6e-12)) 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 <= -1.7e-61) || ~((x <= 5.6e-12))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.7e-61], N[Not[LessEqual[x, 5.6e-12]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.7 \cdot 10^{-61} \lor \neg \left(x \leq 5.6 \cdot 10^{-12}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.6999999999999999e-61 or 5.6000000000000004e-12 < x Initial program 100.0%
Taylor expanded in y around inf 81.6%
+-commutative81.6%
associate-/l*84.4%
distribute-rgt-out88.1%
Simplified88.1%
Taylor expanded in z around 0 57.9%
if -1.6999999999999999e-61 < x < 5.6000000000000004e-12Initial program 99.8%
+-commutative99.8%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 76.9%
*-commutative76.9%
Simplified76.9%
Final simplification66.4%
(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 (* 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 99.9%
Taylor expanded in y around inf 84.8%
+-commutative84.8%
associate-/l*86.3%
distribute-rgt-out88.4%
Simplified88.4%
Taylor expanded in z around 0 43.8%
Final simplification43.8%
(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 2024166
(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)))