
(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-def100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -5.6e+172)
(* z x)
(if (<= x -1.14e+49)
(* x y)
(if (<= x -5.0) (* z x) (if (<= x 6.5e-25) (* z 5.0) (* x y))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -5.6e+172) {
tmp = z * x;
} else if (x <= -1.14e+49) {
tmp = x * y;
} else if (x <= -5.0) {
tmp = z * x;
} else if (x <= 6.5e-25) {
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 <= (-5.6d+172)) then
tmp = z * x
else if (x <= (-1.14d+49)) then
tmp = x * y
else if (x <= (-5.0d0)) then
tmp = z * x
else if (x <= 6.5d-25) 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 <= -5.6e+172) {
tmp = z * x;
} else if (x <= -1.14e+49) {
tmp = x * y;
} else if (x <= -5.0) {
tmp = z * x;
} else if (x <= 6.5e-25) {
tmp = z * 5.0;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -5.6e+172: tmp = z * x elif x <= -1.14e+49: tmp = x * y elif x <= -5.0: tmp = z * x elif x <= 6.5e-25: tmp = z * 5.0 else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -5.6e+172) tmp = Float64(z * x); elseif (x <= -1.14e+49) tmp = Float64(x * y); elseif (x <= -5.0) tmp = Float64(z * x); elseif (x <= 6.5e-25) 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 <= -5.6e+172) tmp = z * x; elseif (x <= -1.14e+49) tmp = x * y; elseif (x <= -5.0) tmp = z * x; elseif (x <= 6.5e-25) tmp = z * 5.0; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -5.6e+172], N[(z * x), $MachinePrecision], If[LessEqual[x, -1.14e+49], N[(x * y), $MachinePrecision], If[LessEqual[x, -5.0], N[(z * x), $MachinePrecision], If[LessEqual[x, 6.5e-25], N[(z * 5.0), $MachinePrecision], N[(x * y), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.6 \cdot 10^{+172}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -1.14 \cdot 10^{+49}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -5:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq 6.5 \cdot 10^{-25}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -5.5999999999999999e172 or -1.13999999999999994e49 < x < -5Initial program 100.0%
Taylor expanded in x around inf 99.3%
+-commutative99.3%
Simplified99.3%
Taylor expanded in z around inf 76.6%
if -5.5999999999999999e172 < x < -1.13999999999999994e49 or 6.5e-25 < x Initial program 100.0%
Taylor expanded in y around inf 64.4%
if -5 < x < 6.5e-25Initial program 99.9%
Taylor expanded in x around 0 74.1%
Final simplification70.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.0) (not (<= x 0.48))) (* x (+ z y)) (- (* x y) (* z -5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(x <= 0.48)) {
tmp = x * (z + y);
} else {
tmp = (x * y) - (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 <= (-5.0d0)) .or. (.not. (x <= 0.48d0))) then
tmp = x * (z + y)
else
tmp = (x * y) - (z * (-5.0d0))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(x <= 0.48)) {
tmp = x * (z + y);
} else {
tmp = (x * y) - (z * -5.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.0) or not (x <= 0.48): tmp = x * (z + y) else: tmp = (x * y) - (z * -5.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.0) || !(x <= 0.48)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(Float64(x * y) - Float64(z * -5.0)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -5.0) || ~((x <= 0.48))) tmp = x * (z + y); else tmp = (x * y) - (z * -5.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.0], N[Not[LessEqual[x, 0.48]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] - N[(z * -5.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5 \lor \neg \left(x \leq 0.48\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y - z \cdot -5\\
\end{array}
\end{array}
if x < -5 or 0.47999999999999998 < x Initial program 100.0%
Taylor expanded in x around inf 99.8%
+-commutative99.8%
Simplified99.8%
if -5 < x < 0.47999999999999998Initial program 99.9%
+-commutative99.9%
fma-def100.0%
Applied egg-rr100.0%
Taylor expanded in z around -inf 99.9%
+-commutative99.9%
mul-1-neg99.9%
unsub-neg99.9%
sub-neg99.9%
+-commutative99.9%
mul-1-neg99.9%
unsub-neg99.9%
metadata-eval99.9%
Simplified99.9%
Taylor expanded in x around 0 98.2%
*-commutative98.2%
Simplified98.2%
Final simplification99.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -1e-12) (not (<= x 7.5e-25))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1e-12) || !(x <= 7.5e-25)) {
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 <= (-1d-12)) .or. (.not. (x <= 7.5d-25))) 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 <= -1e-12) || !(x <= 7.5e-25)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1e-12) or not (x <= 7.5e-25): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1e-12) || !(x <= 7.5e-25)) 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 <= -1e-12) || ~((x <= 7.5e-25))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1e-12], N[Not[LessEqual[x, 7.5e-25]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1 \cdot 10^{-12} \lor \neg \left(x \leq 7.5 \cdot 10^{-25}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -9.9999999999999998e-13 or 7.49999999999999989e-25 < x Initial program 100.0%
Taylor expanded in x around inf 97.3%
+-commutative97.3%
Simplified97.3%
if -9.9999999999999998e-13 < x < 7.49999999999999989e-25Initial program 99.9%
Taylor expanded in x around 0 75.9%
Final simplification88.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.037) (not (<= x 2.05e-25))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.037) || !(x <= 2.05e-25)) {
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 <= (-0.037d0)) .or. (.not. (x <= 2.05d-25))) 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 <= -0.037) || !(x <= 2.05e-25)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.037) or not (x <= 2.05e-25): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.037) || !(x <= 2.05e-25)) 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 <= -0.037) || ~((x <= 2.05e-25))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.037], N[Not[LessEqual[x, 2.05e-25]], $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 -0.037 \lor \neg \left(x \leq 2.05 \cdot 10^{-25}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -0.0369999999999999982 or 2.04999999999999994e-25 < x Initial program 100.0%
Taylor expanded in x around inf 99.2%
+-commutative99.2%
Simplified99.2%
if -0.0369999999999999982 < x < 2.04999999999999994e-25Initial program 99.9%
Taylor expanded in y around 0 75.4%
distribute-rgt-in75.4%
Simplified75.4%
Final simplification89.1%
(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 (if (or (<= x -1.1e-12) (not (<= x 9e-25))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.1e-12) || !(x <= 9e-25)) {
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 <= (-1.1d-12)) .or. (.not. (x <= 9d-25))) 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 <= -1.1e-12) || !(x <= 9e-25)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.1e-12) or not (x <= 9e-25): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.1e-12) || !(x <= 9e-25)) 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 <= -1.1e-12) || ~((x <= 9e-25))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.1e-12], N[Not[LessEqual[x, 9e-25]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.1 \cdot 10^{-12} \lor \neg \left(x \leq 9 \cdot 10^{-25}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.09999999999999996e-12 or 9.0000000000000002e-25 < x Initial program 100.0%
Taylor expanded in y around inf 55.5%
if -1.09999999999999996e-12 < x < 9.0000000000000002e-25Initial program 99.9%
Taylor expanded in x around 0 75.9%
Final simplification63.8%
(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 100.0%
Taylor expanded in x around 0 33.3%
Final simplification33.3%
(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 2023334
(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)))