
(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 7 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 -2.3e+203)
(* z x)
(if (<= x -3.5e+112)
(* x y)
(if (<= x -1e+27)
(* z x)
(if (<= x -6.4e-68)
(* x y)
(if (<= x 1.1e-15)
(* z 5.0)
(if (<= x 1.3e+118) (* x y) (* z x))))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.3e+203) {
tmp = z * x;
} else if (x <= -3.5e+112) {
tmp = x * y;
} else if (x <= -1e+27) {
tmp = z * x;
} else if (x <= -6.4e-68) {
tmp = x * y;
} else if (x <= 1.1e-15) {
tmp = z * 5.0;
} else if (x <= 1.3e+118) {
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 <= (-2.3d+203)) then
tmp = z * x
else if (x <= (-3.5d+112)) then
tmp = x * y
else if (x <= (-1d+27)) then
tmp = z * x
else if (x <= (-6.4d-68)) then
tmp = x * y
else if (x <= 1.1d-15) then
tmp = z * 5.0d0
else if (x <= 1.3d+118) 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 <= -2.3e+203) {
tmp = z * x;
} else if (x <= -3.5e+112) {
tmp = x * y;
} else if (x <= -1e+27) {
tmp = z * x;
} else if (x <= -6.4e-68) {
tmp = x * y;
} else if (x <= 1.1e-15) {
tmp = z * 5.0;
} else if (x <= 1.3e+118) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.3e+203: tmp = z * x elif x <= -3.5e+112: tmp = x * y elif x <= -1e+27: tmp = z * x elif x <= -6.4e-68: tmp = x * y elif x <= 1.1e-15: tmp = z * 5.0 elif x <= 1.3e+118: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.3e+203) tmp = Float64(z * x); elseif (x <= -3.5e+112) tmp = Float64(x * y); elseif (x <= -1e+27) tmp = Float64(z * x); elseif (x <= -6.4e-68) tmp = Float64(x * y); elseif (x <= 1.1e-15) tmp = Float64(z * 5.0); elseif (x <= 1.3e+118) 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 <= -2.3e+203) tmp = z * x; elseif (x <= -3.5e+112) tmp = x * y; elseif (x <= -1e+27) tmp = z * x; elseif (x <= -6.4e-68) tmp = x * y; elseif (x <= 1.1e-15) tmp = z * 5.0; elseif (x <= 1.3e+118) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.3e+203], N[(z * x), $MachinePrecision], If[LessEqual[x, -3.5e+112], N[(x * y), $MachinePrecision], If[LessEqual[x, -1e+27], N[(z * x), $MachinePrecision], If[LessEqual[x, -6.4e-68], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.1e-15], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 1.3e+118], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.3 \cdot 10^{+203}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -3.5 \cdot 10^{+112}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -1 \cdot 10^{+27}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -6.4 \cdot 10^{-68}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.1 \cdot 10^{-15}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 1.3 \cdot 10^{+118}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -2.2999999999999999e203 or -3.49999999999999997e112 < x < -1e27 or 1.30000000000000008e118 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 67.3%
if -2.2999999999999999e203 < x < -3.49999999999999997e112 or -1e27 < x < -6.3999999999999998e-68 or 1.09999999999999993e-15 < x < 1.30000000000000008e118Initial program 99.9%
Taylor expanded in y around inf 63.2%
if -6.3999999999999998e-68 < x < 1.09999999999999993e-15Initial program 99.8%
Taylor expanded in x around 0 76.7%
Final simplification69.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -54.0) (not (<= x 1.15e-6))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -54.0) || !(x <= 1.15e-6)) {
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 <= (-54.0d0)) .or. (.not. (x <= 1.15d-6))) 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 <= -54.0) || !(x <= 1.15e-6)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -54.0) or not (x <= 1.15e-6): tmp = x * (z + y) else: tmp = (z * 5.0) + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -54.0) || !(x <= 1.15e-6)) 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 <= -54.0) || ~((x <= 1.15e-6))) tmp = x * (z + y); else tmp = (z * 5.0) + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -54.0], N[Not[LessEqual[x, 1.15e-6]], $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 -54 \lor \neg \left(x \leq 1.15 \cdot 10^{-6}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + x \cdot y\\
\end{array}
\end{array}
if x < -54 or 1.15e-6 < x Initial program 100.0%
Taylor expanded in x around inf 98.4%
+-commutative98.4%
Simplified98.4%
if -54 < x < 1.15e-6Initial program 99.8%
flip-+58.3%
associate-*r/58.2%
Applied egg-rr58.2%
associate-/l*58.2%
Simplified58.2%
Taylor expanded in y around inf 98.8%
*-commutative98.8%
Simplified98.8%
Final simplification98.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.3e-67) (not (<= x 1.2e-15))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.3e-67) || !(x <= 1.2e-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 <= (-3.3d-67)) .or. (.not. (x <= 1.2d-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 <= -3.3e-67) || !(x <= 1.2e-15)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.3e-67) or not (x <= 1.2e-15): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.3e-67) || !(x <= 1.2e-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 <= -3.3e-67) || ~((x <= 1.2e-15))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.3e-67], N[Not[LessEqual[x, 1.2e-15]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.3 \cdot 10^{-67} \lor \neg \left(x \leq 1.2 \cdot 10^{-15}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.3000000000000002e-67 or 1.19999999999999997e-15 < x Initial program 99.9%
Taylor expanded in x around inf 93.4%
+-commutative93.4%
Simplified93.4%
if -3.3000000000000002e-67 < x < 1.19999999999999997e-15Initial program 99.8%
Taylor expanded in x around 0 76.7%
Final simplification87.1%
(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 99.9%
Final simplification99.9%
(FPCore (x y z) :precision binary64 (if (<= x -1.16e-66) (* x y) (if (<= x 1.15e-15) (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.16e-66) {
tmp = x * y;
} else if (x <= 1.15e-15) {
tmp = z * 5.0;
} 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 <= (-1.16d-66)) then
tmp = x * y
else if (x <= 1.15d-15) then
tmp = z * 5.0d0
else
tmp = x * y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -1.16e-66) {
tmp = x * y;
} else if (x <= 1.15e-15) {
tmp = z * 5.0;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.16e-66: tmp = x * y elif x <= 1.15e-15: tmp = z * 5.0 else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.16e-66) tmp = Float64(x * y); elseif (x <= 1.15e-15) tmp = Float64(z * 5.0); else tmp = Float64(x * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1.16e-66) tmp = x * y; elseif (x <= 1.15e-15) tmp = z * 5.0; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.16e-66], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.15e-15], N[(z * 5.0), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.16 \cdot 10^{-66}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.15 \cdot 10^{-15}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -1.16000000000000002e-66 or 1.14999999999999995e-15 < x Initial program 99.9%
Taylor expanded in y around inf 50.5%
if -1.16000000000000002e-66 < x < 1.14999999999999995e-15Initial program 99.8%
Taylor expanded in x around 0 76.7%
Final simplification60.4%
(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 33.1%
Final simplification33.1%
(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 2023293
(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)))