
(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-define100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (<= x -0.0012) (* x y) (if (<= x 5.9e-42) (* z 5.0) (if (<= x 4.6e+31) (* x y) (* z x)))))
double code(double x, double y, double z) {
double tmp;
if (x <= -0.0012) {
tmp = x * y;
} else if (x <= 5.9e-42) {
tmp = z * 5.0;
} else if (x <= 4.6e+31) {
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 <= (-0.0012d0)) then
tmp = x * y
else if (x <= 5.9d-42) then
tmp = z * 5.0d0
else if (x <= 4.6d+31) 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 <= -0.0012) {
tmp = x * y;
} else if (x <= 5.9e-42) {
tmp = z * 5.0;
} else if (x <= 4.6e+31) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -0.0012: tmp = x * y elif x <= 5.9e-42: tmp = z * 5.0 elif x <= 4.6e+31: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -0.0012) tmp = Float64(x * y); elseif (x <= 5.9e-42) tmp = Float64(z * 5.0); elseif (x <= 4.6e+31) 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 <= -0.0012) tmp = x * y; elseif (x <= 5.9e-42) tmp = z * 5.0; elseif (x <= 4.6e+31) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -0.0012], N[(x * y), $MachinePrecision], If[LessEqual[x, 5.9e-42], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 4.6e+31], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.0012:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 5.9 \cdot 10^{-42}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 4.6 \cdot 10^{+31}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -0.00119999999999999989 or 5.89999999999999992e-42 < x < 4.5999999999999999e31Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 56.3%
if -0.00119999999999999989 < x < 5.89999999999999992e-42Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 81.1%
*-commutative81.1%
Simplified81.1%
if 4.5999999999999999e31 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
Taylor expanded in y around 0 58.5%
Final simplification69.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -7.5e+14) (not (<= x 5.0))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -7.5e+14) || !(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 <= (-7.5d+14)) .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 <= -7.5e+14) || !(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 <= -7.5e+14) 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 <= -7.5e+14) || !(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 <= -7.5e+14) || ~((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, -7.5e+14], 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 -7.5 \cdot 10^{+14} \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 < -7.5e14 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.5%
if -7.5e14 < x < 5Initial program 99.9%
Taylor expanded in y around inf 99.0%
Final simplification99.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.0033) (not (<= x 1.02e-44))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.0033) || !(x <= 1.02e-44)) {
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 <= (-0.0033d0)) .or. (.not. (x <= 1.02d-44))) 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 <= -0.0033) || !(x <= 1.02e-44)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.0033) or not (x <= 1.02e-44): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.0033) || !(x <= 1.02e-44)) 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 <= -0.0033) || ~((x <= 1.02e-44))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.0033], N[Not[LessEqual[x, 1.02e-44]], $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 -0.0033 \lor \neg \left(x \leq 1.02 \cdot 10^{-44}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -0.0033 or 1.0199999999999999e-44 < x Initial program 100.0%
Taylor expanded in x around inf 96.7%
if -0.0033 < x < 1.0199999999999999e-44Initial program 99.9%
Taylor expanded in y around 0 82.3%
+-commutative82.3%
distribute-rgt-in82.3%
Simplified82.3%
Final simplification89.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.0021) (not (<= x 2.8e-48))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.0021) || !(x <= 2.8e-48)) {
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 <= (-0.0021d0)) .or. (.not. (x <= 2.8d-48))) 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 <= -0.0021) || !(x <= 2.8e-48)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.0021) or not (x <= 2.8e-48): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.0021) || !(x <= 2.8e-48)) 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 <= -0.0021) || ~((x <= 2.8e-48))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.0021], N[Not[LessEqual[x, 2.8e-48]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.0021 \lor \neg \left(x \leq 2.8 \cdot 10^{-48}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -0.00209999999999999987 or 2.80000000000000005e-48 < x Initial program 100.0%
Taylor expanded in x around inf 96.7%
if -0.00209999999999999987 < x < 2.80000000000000005e-48Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 81.6%
*-commutative81.6%
Simplified81.6%
Final simplification89.1%
(FPCore (x y z) :precision binary64 (if (or (<= z -5.7e+44) (not (<= z 5.2e+90))) (* z x) (* x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -5.7e+44) || !(z <= 5.2e+90)) {
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 ((z <= (-5.7d+44)) .or. (.not. (z <= 5.2d+90))) 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 ((z <= -5.7e+44) || !(z <= 5.2e+90)) {
tmp = z * x;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -5.7e+44) or not (z <= 5.2e+90): tmp = z * x else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -5.7e+44) || !(z <= 5.2e+90)) tmp = Float64(z * x); else tmp = Float64(x * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -5.7e+44) || ~((z <= 5.2e+90))) tmp = z * x; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -5.7e+44], N[Not[LessEqual[z, 5.2e+90]], $MachinePrecision]], N[(z * x), $MachinePrecision], N[(x * y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -5.7 \cdot 10^{+44} \lor \neg \left(z \leq 5.2 \cdot 10^{+90}\right):\\
\;\;\;\;z \cdot x\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if z < -5.7000000000000003e44 or 5.1999999999999997e90 < z Initial program 99.9%
Taylor expanded in x around inf 49.4%
Taylor expanded in y around 0 40.9%
if -5.7000000000000003e44 < z < 5.1999999999999997e90Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 56.7%
Final simplification49.3%
(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 (* 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 35.7%
(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 2024157
(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)))