
(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
(if (<= x -3e+256)
(* x y)
(if (<= x -3.8e+194)
(* z x)
(if (<= x -1.4e-11) (* x y) (if (<= x 5.0) (* z 5.0) (* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -3e+256) {
tmp = x * y;
} else if (x <= -3.8e+194) {
tmp = z * x;
} else if (x <= -1.4e-11) {
tmp = x * y;
} else if (x <= 5.0) {
tmp = z * 5.0;
} 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 <= (-3d+256)) then
tmp = x * y
else if (x <= (-3.8d+194)) then
tmp = z * x
else if (x <= (-1.4d-11)) then
tmp = x * y
else if (x <= 5.0d0) then
tmp = z * 5.0d0
else
tmp = z * x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -3e+256) {
tmp = x * y;
} else if (x <= -3.8e+194) {
tmp = z * x;
} else if (x <= -1.4e-11) {
tmp = x * y;
} else if (x <= 5.0) {
tmp = z * 5.0;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -3e+256: tmp = x * y elif x <= -3.8e+194: tmp = z * x elif x <= -1.4e-11: tmp = x * y elif x <= 5.0: tmp = z * 5.0 else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -3e+256) tmp = Float64(x * y); elseif (x <= -3.8e+194) tmp = Float64(z * x); elseif (x <= -1.4e-11) tmp = Float64(x * y); elseif (x <= 5.0) tmp = Float64(z * 5.0); else tmp = Float64(z * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -3e+256) tmp = x * y; elseif (x <= -3.8e+194) tmp = z * x; elseif (x <= -1.4e-11) tmp = x * y; elseif (x <= 5.0) tmp = z * 5.0; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -3e+256], N[(x * y), $MachinePrecision], If[LessEqual[x, -3.8e+194], N[(z * x), $MachinePrecision], If[LessEqual[x, -1.4e-11], N[(x * y), $MachinePrecision], If[LessEqual[x, 5.0], N[(z * 5.0), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3 \cdot 10^{+256}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -3.8 \cdot 10^{+194}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -1.4 \cdot 10^{-11}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 5:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -3.0000000000000001e256 or -3.7999999999999999e194 < x < -1.4e-11Initial program 100.0%
Taylor expanded in y around inf 65.3%
if -3.0000000000000001e256 < x < -3.7999999999999999e194 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.1%
+-commutative99.1%
Simplified99.1%
Taylor expanded in z around inf 60.9%
if -1.4e-11 < x < 5Initial program 99.9%
Taylor expanded in x around 0 68.3%
Final simplification65.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -185000.0) (not (<= x 1.55))) (* x (+ z y)) (* y (+ x (* z (/ 5.0 y))))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -185000.0) || !(x <= 1.55)) {
tmp = x * (z + y);
} else {
tmp = y * (x + (z * (5.0 / 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 <= (-185000.0d0)) .or. (.not. (x <= 1.55d0))) then
tmp = x * (z + y)
else
tmp = y * (x + (z * (5.0d0 / y)))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -185000.0) || !(x <= 1.55)) {
tmp = x * (z + y);
} else {
tmp = y * (x + (z * (5.0 / y)));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -185000.0) or not (x <= 1.55): tmp = x * (z + y) else: tmp = y * (x + (z * (5.0 / y))) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -185000.0) || !(x <= 1.55)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(y * Float64(x + Float64(z * Float64(5.0 / y)))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -185000.0) || ~((x <= 1.55))) tmp = x * (z + y); else tmp = y * (x + (z * (5.0 / y))); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -185000.0], N[Not[LessEqual[x, 1.55]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(y * N[(x + N[(z * N[(5.0 / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -185000 \lor \neg \left(x \leq 1.55\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(x + z \cdot \frac{5}{y}\right)\\
\end{array}
\end{array}
if x < -185000 or 1.55000000000000004 < x Initial program 100.0%
Taylor expanded in x around inf 98.6%
+-commutative98.6%
Simplified98.6%
if -185000 < x < 1.55000000000000004Initial program 99.9%
distribute-rgt-in99.9%
associate-+l+99.9%
*-commutative99.9%
fma-define99.9%
distribute-lft-out99.9%
Simplified99.9%
fma-undefine99.9%
+-commutative99.9%
Applied egg-rr99.9%
Taylor expanded in y around inf 93.1%
associate-/l*93.0%
+-commutative93.0%
Simplified93.0%
Taylor expanded in x around 0 92.1%
Final simplification95.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.000285) (not (<= x 7200.0))) (* x (+ z y)) (+ (* z x) (* z 5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.000285) || !(x <= 7200.0)) {
tmp = x * (z + y);
} else {
tmp = (z * x) + (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 <= (-0.000285d0)) .or. (.not. (x <= 7200.0d0))) then
tmp = x * (z + y)
else
tmp = (z * x) + (z * 5.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -0.000285) || !(x <= 7200.0)) {
tmp = x * (z + y);
} else {
tmp = (z * x) + (z * 5.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.000285) or not (x <= 7200.0): tmp = x * (z + y) else: tmp = (z * x) + (z * 5.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.000285) || !(x <= 7200.0)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(Float64(z * x) + Float64(z * 5.0)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -0.000285) || ~((x <= 7200.0))) tmp = x * (z + y); else tmp = (z * x) + (z * 5.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.000285], N[Not[LessEqual[x, 7200.0]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(N[(z * x), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.000285 \lor \neg \left(x \leq 7200\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot x + z \cdot 5\\
\end{array}
\end{array}
if x < -2.8499999999999999e-4 or 7200 < x Initial program 100.0%
Taylor expanded in x around inf 99.7%
+-commutative99.7%
Simplified99.7%
if -2.8499999999999999e-4 < x < 7200Initial program 99.9%
Taylor expanded in y around 0 69.4%
*-commutative69.4%
Simplified69.4%
Final simplification84.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -8.2e-10) (not (<= x 9.2e-53))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8.2e-10) || !(x <= 9.2e-53)) {
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 <= (-8.2d-10)) .or. (.not. (x <= 9.2d-53))) 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 <= -8.2e-10) || !(x <= 9.2e-53)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8.2e-10) or not (x <= 9.2e-53): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8.2e-10) || !(x <= 9.2e-53)) 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 <= -8.2e-10) || ~((x <= 9.2e-53))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8.2e-10], N[Not[LessEqual[x, 9.2e-53]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8.2 \cdot 10^{-10} \lor \neg \left(x \leq 9.2 \cdot 10^{-53}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -8.1999999999999996e-10 or 9.2000000000000005e-53 < x Initial program 100.0%
Taylor expanded in x around inf 95.4%
+-commutative95.4%
Simplified95.4%
if -8.1999999999999996e-10 < x < 9.2000000000000005e-53Initial program 99.9%
Taylor expanded in x around 0 70.2%
Final simplification84.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.1e-5) (not (<= x 3000.0))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.1e-5) || !(x <= 3000.0)) {
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 <= (-2.1d-5)) .or. (.not. (x <= 3000.0d0))) 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 <= -2.1e-5) || !(x <= 3000.0)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.1e-5) or not (x <= 3000.0): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.1e-5) || !(x <= 3000.0)) 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 <= -2.1e-5) || ~((x <= 3000.0))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.1e-5], N[Not[LessEqual[x, 3000.0]], $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 -2.1 \cdot 10^{-5} \lor \neg \left(x \leq 3000\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -2.09999999999999988e-5 or 3e3 < x Initial program 100.0%
Taylor expanded in x around inf 99.7%
+-commutative99.7%
Simplified99.7%
if -2.09999999999999988e-5 < x < 3e3Initial program 99.9%
Taylor expanded in y around 0 69.4%
distribute-rgt-in69.4%
Simplified69.4%
Final simplification84.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.1e-11) (not (<= x 3000.0))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.1e-11) || !(x <= 3000.0)) {
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 <= (-2.1d-11)) .or. (.not. (x <= 3000.0d0))) 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 <= -2.1e-11) || !(x <= 3000.0)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.1e-11) or not (x <= 3000.0): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.1e-11) || !(x <= 3000.0)) 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 <= -2.1e-11) || ~((x <= 3000.0))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.1e-11], N[Not[LessEqual[x, 3000.0]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.1 \cdot 10^{-11} \lor \neg \left(x \leq 3000\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -2.0999999999999999e-11 or 3e3 < x Initial program 100.0%
Taylor expanded in y around inf 53.2%
if -2.0999999999999999e-11 < x < 3e3Initial program 99.9%
Taylor expanded in x around 0 67.9%
Final simplification60.3%
(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 34.6%
Final simplification34.6%
(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 2024082
(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)))