
(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 (fma x (+ z y) (* z 5.0)))
double code(double x, double y, double z) {
return fma(x, (z + y), (z * 5.0));
}
function code(x, y, z) return fma(x, Float64(z + y), Float64(z * 5.0)) end
code[x_, y_, z_] := N[(x * N[(z + y), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(x, z + y, z \cdot 5\right)
\end{array}
Initial program 99.9%
fma-define99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (x y z)
:precision binary64
(if (<= x -3.6e+58)
(* x y)
(if (<= x -5.0)
(* z x)
(if (<= x 4.2e-53) (* z 5.0) (if (<= x 2.9e+67) (* x y) (* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -3.6e+58) {
tmp = x * y;
} else if (x <= -5.0) {
tmp = z * x;
} else if (x <= 4.2e-53) {
tmp = z * 5.0;
} else if (x <= 2.9e+67) {
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 <= (-3.6d+58)) then
tmp = x * y
else if (x <= (-5.0d0)) then
tmp = z * x
else if (x <= 4.2d-53) then
tmp = z * 5.0d0
else if (x <= 2.9d+67) 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 <= -3.6e+58) {
tmp = x * y;
} else if (x <= -5.0) {
tmp = z * x;
} else if (x <= 4.2e-53) {
tmp = z * 5.0;
} else if (x <= 2.9e+67) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -3.6e+58: tmp = x * y elif x <= -5.0: tmp = z * x elif x <= 4.2e-53: tmp = z * 5.0 elif x <= 2.9e+67: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -3.6e+58) tmp = Float64(x * y); elseif (x <= -5.0) tmp = Float64(z * x); elseif (x <= 4.2e-53) tmp = Float64(z * 5.0); elseif (x <= 2.9e+67) 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 <= -3.6e+58) tmp = x * y; elseif (x <= -5.0) tmp = z * x; elseif (x <= 4.2e-53) tmp = z * 5.0; elseif (x <= 2.9e+67) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -3.6e+58], N[(x * y), $MachinePrecision], If[LessEqual[x, -5.0], N[(z * x), $MachinePrecision], If[LessEqual[x, 4.2e-53], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 2.9e+67], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.6 \cdot 10^{+58}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -5:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq 4.2 \cdot 10^{-53}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 2.9 \cdot 10^{+67}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -3.59999999999999996e58 or 4.19999999999999955e-53 < x < 2.90000000000000023e67Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 66.9%
if -3.59999999999999996e58 < x < -5 or 2.90000000000000023e67 < x Initial program 100.0%
Taylor expanded in y around 0 65.3%
distribute-rgt-in65.4%
+-commutative65.4%
Simplified65.4%
Taylor expanded in x around inf 63.7%
if -5 < x < 4.19999999999999955e-53Initial program 99.8%
+-commutative99.8%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 77.0%
*-commutative77.0%
Simplified77.0%
(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 98.9%
if -5 < x < 5Initial program 99.8%
Taylor expanded in y around inf 98.7%
Final simplification98.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -230000000.0) (not (<= x 3.2e-52))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -230000000.0) || !(x <= 3.2e-52)) {
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 <= (-230000000.0d0)) .or. (.not. (x <= 3.2d-52))) 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 <= -230000000.0) || !(x <= 3.2e-52)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -230000000.0) or not (x <= 3.2e-52): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -230000000.0) || !(x <= 3.2e-52)) 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 <= -230000000.0) || ~((x <= 3.2e-52))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -230000000.0], N[Not[LessEqual[x, 3.2e-52]], $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 -230000000 \lor \neg \left(x \leq 3.2 \cdot 10^{-52}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -2.3e8 or 3.2000000000000001e-52 < x Initial program 100.0%
Taylor expanded in x around inf 98.0%
if -2.3e8 < x < 3.2000000000000001e-52Initial program 99.8%
Taylor expanded in y around 0 77.7%
distribute-rgt-in77.7%
+-commutative77.7%
Simplified77.7%
Final simplification89.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.7e-7) (not (<= x 9.5e-54))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.7e-7) || !(x <= 9.5e-54)) {
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 <= (-1.7d-7)) .or. (.not. (x <= 9.5d-54))) 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 <= -1.7e-7) || !(x <= 9.5e-54)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.7e-7) or not (x <= 9.5e-54): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.7e-7) || !(x <= 9.5e-54)) 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 <= -1.7e-7) || ~((x <= 9.5e-54))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.7e-7], N[Not[LessEqual[x, 9.5e-54]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.7 \cdot 10^{-7} \lor \neg \left(x \leq 9.5 \cdot 10^{-54}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.69999999999999987e-7 or 9.4999999999999994e-54 < x Initial program 100.0%
Taylor expanded in x around inf 97.2%
if -1.69999999999999987e-7 < x < 9.4999999999999994e-54Initial program 99.8%
+-commutative99.8%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 77.0%
*-commutative77.0%
Simplified77.0%
Final simplification89.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.26e-8) (not (<= x 1.9e-52))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.26e-8) || !(x <= 1.9e-52)) {
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 <= (-1.26d-8)) .or. (.not. (x <= 1.9d-52))) 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 <= -1.26e-8) || !(x <= 1.9e-52)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.26e-8) or not (x <= 1.9e-52): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.26e-8) || !(x <= 1.9e-52)) 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 <= -1.26e-8) || ~((x <= 1.9e-52))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.26e-8], N[Not[LessEqual[x, 1.9e-52]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.26 \cdot 10^{-8} \lor \neg \left(x \leq 1.9 \cdot 10^{-52}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.26e-8 or 1.9000000000000002e-52 < x Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 55.1%
if -1.26e-8 < x < 1.9000000000000002e-52Initial program 99.8%
+-commutative99.8%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 77.0%
*-commutative77.0%
Simplified77.0%
Final simplification63.8%
(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%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 42.8%
(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 2024144
(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)))