
(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 -9e-7) (* z x) (if (<= x 5.0) (* z 5.0) (if (<= x 1.1e+227) (* z x) (* x y)))))
double code(double x, double y, double z) {
double tmp;
if (x <= -9e-7) {
tmp = z * x;
} else if (x <= 5.0) {
tmp = z * 5.0;
} else if (x <= 1.1e+227) {
tmp = z * x;
} else {
tmp = 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 <= (-9d-7)) then
tmp = z * x
else if (x <= 5.0d0) then
tmp = z * 5.0d0
else if (x <= 1.1d+227) then
tmp = z * x
else
tmp = x * y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -9e-7) {
tmp = z * x;
} else if (x <= 5.0) {
tmp = z * 5.0;
} else if (x <= 1.1e+227) {
tmp = z * x;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -9e-7: tmp = z * x elif x <= 5.0: tmp = z * 5.0 elif x <= 1.1e+227: tmp = z * x else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -9e-7) tmp = Float64(z * x); elseif (x <= 5.0) tmp = Float64(z * 5.0); elseif (x <= 1.1e+227) tmp = Float64(z * x); else tmp = Float64(x * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -9e-7) tmp = z * x; elseif (x <= 5.0) tmp = z * 5.0; elseif (x <= 1.1e+227) tmp = z * x; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -9e-7], N[(z * x), $MachinePrecision], If[LessEqual[x, 5.0], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 1.1e+227], N[(z * x), $MachinePrecision], N[(x * y), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -9 \cdot 10^{-7}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq 5:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 1.1 \cdot 10^{+227}:\\
\;\;\;\;z \cdot x\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -8.99999999999999959e-7 or 5 < x < 1.1000000000000001e227Initial program 100.0%
Taylor expanded in y around 0 61.7%
+-commutative61.7%
distribute-rgt-in61.7%
Simplified61.7%
Taylor expanded in x around inf 61.0%
if -8.99999999999999959e-7 < x < 5Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 71.7%
*-commutative71.7%
Simplified71.7%
if 1.1000000000000001e227 < x Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 84.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.0) (not (<= x 5.0))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(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 <= (-5.0d0)) .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 <= -5.0) || !(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 <= -5.0) 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 <= -5.0) || !(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 <= -5.0) || ~((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, -5.0], 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 -5 \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 < -5 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.4%
if -5 < x < 5Initial program 99.9%
Taylor expanded in y around inf 99.3%
Final simplification99.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.4e-11) (not (<= x 2e-50))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.4e-11) || !(x <= 2e-50)) {
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 <= (-2.4d-11)) .or. (.not. (x <= 2d-50))) 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 <= -2.4e-11) || !(x <= 2e-50)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.4e-11) or not (x <= 2e-50): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.4e-11) || !(x <= 2e-50)) 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 <= -2.4e-11) || ~((x <= 2e-50))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.4e-11], N[Not[LessEqual[x, 2e-50]], $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 -2.4 \cdot 10^{-11} \lor \neg \left(x \leq 2 \cdot 10^{-50}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -2.4000000000000001e-11 or 2.00000000000000002e-50 < x Initial program 100.0%
Taylor expanded in x around inf 95.0%
if -2.4000000000000001e-11 < x < 2.00000000000000002e-50Initial program 100.0%
Taylor expanded in y around 0 75.4%
+-commutative75.4%
distribute-rgt-in75.4%
Simplified75.4%
Final simplification84.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.5e-11) (not (<= x 3.8e-53))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.5e-11) || !(x <= 3.8e-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 <= (-1.5d-11)) .or. (.not. (x <= 3.8d-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 <= -1.5e-11) || !(x <= 3.8e-53)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.5e-11) or not (x <= 3.8e-53): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.5e-11) || !(x <= 3.8e-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 <= -1.5e-11) || ~((x <= 3.8e-53))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.5e-11], N[Not[LessEqual[x, 3.8e-53]], $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^{-11} \lor \neg \left(x \leq 3.8 \cdot 10^{-53}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.5e-11 or 3.7999999999999998e-53 < x Initial program 100.0%
Taylor expanded in x around inf 95.0%
if -1.5e-11 < x < 3.7999999999999998e-53Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 75.3%
*-commutative75.3%
Simplified75.3%
Final simplification84.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.6e-12) (not (<= x 8.5e-51))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.6e-12) || !(x <= 8.5e-51)) {
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 <= (-3.6d-12)) .or. (.not. (x <= 8.5d-51))) 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 <= -3.6e-12) || !(x <= 8.5e-51)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.6e-12) or not (x <= 8.5e-51): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.6e-12) || !(x <= 8.5e-51)) 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 <= -3.6e-12) || ~((x <= 8.5e-51))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.6e-12], N[Not[LessEqual[x, 8.5e-51]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.6 \cdot 10^{-12} \lor \neg \left(x \leq 8.5 \cdot 10^{-51}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.6e-12 or 8.50000000000000036e-51 < x Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 48.0%
if -3.6e-12 < x < 8.50000000000000036e-51Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 75.3%
*-commutative75.3%
Simplified75.3%
Final simplification62.1%
(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 37.0%
(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 2024163
(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)))