
(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 -5.0)
(* z x)
(if (<= x 1.2e-12)
(* z 5.0)
(if (<= x 1.05e+90) (* x y) (if (<= x 1.35e+120) (* z x) (* x y))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -5.0) {
tmp = z * x;
} else if (x <= 1.2e-12) {
tmp = z * 5.0;
} else if (x <= 1.05e+90) {
tmp = x * y;
} else if (x <= 1.35e+120) {
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 <= (-5.0d0)) then
tmp = z * x
else if (x <= 1.2d-12) then
tmp = z * 5.0d0
else if (x <= 1.05d+90) then
tmp = x * y
else if (x <= 1.35d+120) 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 <= -5.0) {
tmp = z * x;
} else if (x <= 1.2e-12) {
tmp = z * 5.0;
} else if (x <= 1.05e+90) {
tmp = x * y;
} else if (x <= 1.35e+120) {
tmp = z * x;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -5.0: tmp = z * x elif x <= 1.2e-12: tmp = z * 5.0 elif x <= 1.05e+90: tmp = x * y elif x <= 1.35e+120: tmp = z * x else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -5.0) tmp = Float64(z * x); elseif (x <= 1.2e-12) tmp = Float64(z * 5.0); elseif (x <= 1.05e+90) tmp = Float64(x * y); elseif (x <= 1.35e+120) 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 <= -5.0) tmp = z * x; elseif (x <= 1.2e-12) tmp = z * 5.0; elseif (x <= 1.05e+90) tmp = x * y; elseif (x <= 1.35e+120) tmp = z * x; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -5.0], N[(z * x), $MachinePrecision], If[LessEqual[x, 1.2e-12], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 1.05e+90], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.35e+120], N[(z * x), $MachinePrecision], N[(x * y), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq 1.2 \cdot 10^{-12}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 1.05 \cdot 10^{+90}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.35 \cdot 10^{+120}:\\
\;\;\;\;z \cdot x\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -5 or 1.0499999999999999e90 < x < 1.35e120Initial program 100.0%
Taylor expanded in y around 0 62.0%
+-commutative62.0%
*-commutative62.0%
distribute-rgt-in62.0%
Simplified62.0%
Taylor expanded in x around inf 61.8%
if -5 < x < 1.19999999999999994e-12Initial program 99.8%
Taylor expanded in x around 0 77.6%
if 1.19999999999999994e-12 < x < 1.0499999999999999e90 or 1.35e120 < x Initial program 100.0%
Taylor expanded in y around inf 63.7%
Final simplification70.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -28.0) (not (<= x 0.16))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -28.0) || !(x <= 0.16)) {
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 <= (-28.0d0)) .or. (.not. (x <= 0.16d0))) 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 <= -28.0) || !(x <= 0.16)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -28.0) or not (x <= 0.16): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -28.0) || !(x <= 0.16)) 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 <= -28.0) || ~((x <= 0.16))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -28.0], N[Not[LessEqual[x, 0.16]], $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 -28 \lor \neg \left(x \leq 0.16\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -28 or 0.160000000000000003 < x Initial program 100.0%
Taylor expanded in x around inf 99.9%
+-commutative99.9%
Simplified99.9%
if -28 < x < 0.160000000000000003Initial program 99.8%
Taylor expanded in y around 0 77.7%
+-commutative77.7%
*-commutative77.7%
distribute-rgt-in77.7%
Simplified77.7%
Final simplification88.1%
(FPCore (x y z) :precision binary64 (if (<= y -1.2e+98) (* x y) (if (<= y 1.25e+41) (* z (+ 5.0 x)) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (y <= -1.2e+98) {
tmp = x * y;
} else if (y <= 1.25e+41) {
tmp = z * (5.0 + 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 (y <= (-1.2d+98)) then
tmp = x * y
else if (y <= 1.25d+41) then
tmp = z * (5.0d0 + x)
else
tmp = x * y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -1.2e+98) {
tmp = x * y;
} else if (y <= 1.25e+41) {
tmp = z * (5.0 + x);
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -1.2e+98: tmp = x * y elif y <= 1.25e+41: tmp = z * (5.0 + x) else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (y <= -1.2e+98) tmp = Float64(x * y); elseif (y <= 1.25e+41) tmp = Float64(z * Float64(5.0 + x)); else tmp = Float64(x * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -1.2e+98) tmp = x * y; elseif (y <= 1.25e+41) tmp = z * (5.0 + x); else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -1.2e+98], N[(x * y), $MachinePrecision], If[LessEqual[y, 1.25e+41], N[(z * N[(5.0 + x), $MachinePrecision]), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.2 \cdot 10^{+98}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;y \leq 1.25 \cdot 10^{+41}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if y < -1.1999999999999999e98 or 1.25000000000000006e41 < y Initial program 99.9%
Taylor expanded in y around inf 77.6%
if -1.1999999999999999e98 < y < 1.25000000000000006e41Initial program 99.9%
Taylor expanded in y around 0 85.7%
+-commutative85.7%
*-commutative85.7%
distribute-rgt-in85.7%
Simplified85.7%
Final simplification82.9%
(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 -3.5e-5) (* x y) (if (<= x 3.5e-14) (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= -3.5e-5) {
tmp = x * y;
} else if (x <= 3.5e-14) {
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 <= (-3.5d-5)) then
tmp = x * y
else if (x <= 3.5d-14) 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 <= -3.5e-5) {
tmp = x * y;
} else if (x <= 3.5e-14) {
tmp = z * 5.0;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -3.5e-5: tmp = x * y elif x <= 3.5e-14: tmp = z * 5.0 else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -3.5e-5) tmp = Float64(x * y); elseif (x <= 3.5e-14) 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 <= -3.5e-5) tmp = x * y; elseif (x <= 3.5e-14) tmp = z * 5.0; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -3.5e-5], N[(x * y), $MachinePrecision], If[LessEqual[x, 3.5e-14], N[(z * 5.0), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.5 \cdot 10^{-5}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 3.5 \cdot 10^{-14}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -3.4999999999999997e-5 or 3.5000000000000002e-14 < x Initial program 100.0%
Taylor expanded in y around inf 53.4%
if -3.4999999999999997e-5 < x < 3.5000000000000002e-14Initial program 99.8%
Taylor expanded in x around 0 77.6%
Final simplification66.1%
(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 42.1%
Final simplification42.1%
(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 2023181
(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)))