
(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-def100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -1.55e+96)
(* z x)
(if (<= x -3.1e-9)
(* x y)
(if (<= x 2.5e-16) (* z 5.0) (if (<= x 7e+98) (* x y) (* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.55e+96) {
tmp = z * x;
} else if (x <= -3.1e-9) {
tmp = x * y;
} else if (x <= 2.5e-16) {
tmp = z * 5.0;
} else if (x <= 7e+98) {
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 <= (-1.55d+96)) then
tmp = z * x
else if (x <= (-3.1d-9)) then
tmp = x * y
else if (x <= 2.5d-16) then
tmp = z * 5.0d0
else if (x <= 7d+98) 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 <= -1.55e+96) {
tmp = z * x;
} else if (x <= -3.1e-9) {
tmp = x * y;
} else if (x <= 2.5e-16) {
tmp = z * 5.0;
} else if (x <= 7e+98) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.55e+96: tmp = z * x elif x <= -3.1e-9: tmp = x * y elif x <= 2.5e-16: tmp = z * 5.0 elif x <= 7e+98: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.55e+96) tmp = Float64(z * x); elseif (x <= -3.1e-9) tmp = Float64(x * y); elseif (x <= 2.5e-16) tmp = Float64(z * 5.0); elseif (x <= 7e+98) 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 <= -1.55e+96) tmp = z * x; elseif (x <= -3.1e-9) tmp = x * y; elseif (x <= 2.5e-16) tmp = z * 5.0; elseif (x <= 7e+98) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.55e+96], N[(z * x), $MachinePrecision], If[LessEqual[x, -3.1e-9], N[(x * y), $MachinePrecision], If[LessEqual[x, 2.5e-16], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 7e+98], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.55 \cdot 10^{+96}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -3.1 \cdot 10^{-9}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 2.5 \cdot 10^{-16}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 7 \cdot 10^{+98}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -1.5499999999999999e96 or 7e98 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 62.5%
if -1.5499999999999999e96 < x < -3.10000000000000005e-9 or 2.5000000000000002e-16 < x < 7e98Initial program 99.9%
Taylor expanded in y around inf 62.9%
if -3.10000000000000005e-9 < x < 2.5000000000000002e-16Initial program 99.9%
Taylor expanded in x around 0 70.4%
Final simplification66.3%
(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 99.5%
+-commutative99.5%
Simplified99.5%
if -5 < x < 5Initial program 99.9%
distribute-rgt-in99.9%
associate-+l+99.9%
*-commutative99.9%
fma-def99.9%
distribute-lft-out99.9%
Simplified99.9%
*-commutative99.9%
flip-+99.9%
associate-*l/99.7%
fma-neg99.7%
metadata-eval99.7%
metadata-eval99.7%
sub-neg99.7%
metadata-eval99.7%
Applied egg-rr99.7%
Taylor expanded in x around 0 99.6%
*-commutative99.6%
Simplified99.6%
fma-udef99.6%
*-commutative99.6%
*-un-lft-identity99.6%
times-frac99.7%
metadata-eval99.7%
Applied egg-rr99.7%
Taylor expanded in x around 0 99.1%
*-commutative99.1%
Simplified99.1%
Final simplification99.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.8e-8) (not (<= x 1.65e-15))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.8e-8) || !(x <= 1.65e-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 <= (-1.8d-8)) .or. (.not. (x <= 1.65d-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 <= -1.8e-8) || !(x <= 1.65e-15)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.8e-8) or not (x <= 1.65e-15): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.8e-8) || !(x <= 1.65e-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 <= -1.8e-8) || ~((x <= 1.65e-15))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.8e-8], N[Not[LessEqual[x, 1.65e-15]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.8 \cdot 10^{-8} \lor \neg \left(x \leq 1.65 \cdot 10^{-15}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.79999999999999991e-8 or 1.65e-15 < x Initial program 100.0%
Taylor expanded in x around inf 98.2%
+-commutative98.2%
Simplified98.2%
if -1.79999999999999991e-8 < x < 1.65e-15Initial program 99.9%
Taylor expanded in x around 0 70.4%
Final simplification84.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -8.5e-6) (not (<= x 370000.0))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8.5e-6) || !(x <= 370000.0)) {
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 <= (-8.5d-6)) .or. (.not. (x <= 370000.0d0))) 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 <= -8.5e-6) || !(x <= 370000.0)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8.5e-6) or not (x <= 370000.0): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8.5e-6) || !(x <= 370000.0)) 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 <= -8.5e-6) || ~((x <= 370000.0))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8.5e-6], N[Not[LessEqual[x, 370000.0]], $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 -8.5 \cdot 10^{-6} \lor \neg \left(x \leq 370000\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -8.4999999999999999e-6 or 3.7e5 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
if -8.4999999999999999e-6 < x < 3.7e5Initial program 99.9%
Taylor expanded in y around 0 70.2%
distribute-rgt-in70.3%
Simplified70.3%
Final simplification85.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.3e-8) (not (<= x 1.35e-15))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.3e-8) || !(x <= 1.35e-15)) {
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 <= (-1.3d-8)) .or. (.not. (x <= 1.35d-15))) 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 <= -1.3e-8) || !(x <= 1.35e-15)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.3e-8) or not (x <= 1.35e-15): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.3e-8) || !(x <= 1.35e-15)) 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 <= -1.3e-8) || ~((x <= 1.35e-15))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.3e-8], N[Not[LessEqual[x, 1.35e-15]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.3 \cdot 10^{-8} \lor \neg \left(x \leq 1.35 \cdot 10^{-15}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.3000000000000001e-8 or 1.35000000000000005e-15 < x Initial program 100.0%
Taylor expanded in y around inf 48.4%
if -1.3000000000000001e-8 < x < 1.35000000000000005e-15Initial program 99.9%
Taylor expanded in x around 0 70.4%
Final simplification58.9%
(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 35.7%
Final simplification35.7%
(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 2024096
(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)))