
(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-def100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -3.9e+192)
(* x y)
(if (<= x -920000000.0)
(* z x)
(if (<= x -1.3e-72)
(* x y)
(if (<= x 1.02e-14)
(* z 5.0)
(if (<= x 8.5e+95) (* x y) (if (<= x 2.6e+179) (* z x) (* x y))))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -3.9e+192) {
tmp = x * y;
} else if (x <= -920000000.0) {
tmp = z * x;
} else if (x <= -1.3e-72) {
tmp = x * y;
} else if (x <= 1.02e-14) {
tmp = z * 5.0;
} else if (x <= 8.5e+95) {
tmp = x * y;
} else if (x <= 2.6e+179) {
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 <= (-3.9d+192)) then
tmp = x * y
else if (x <= (-920000000.0d0)) then
tmp = z * x
else if (x <= (-1.3d-72)) then
tmp = x * y
else if (x <= 1.02d-14) then
tmp = z * 5.0d0
else if (x <= 8.5d+95) then
tmp = x * y
else if (x <= 2.6d+179) 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 <= -3.9e+192) {
tmp = x * y;
} else if (x <= -920000000.0) {
tmp = z * x;
} else if (x <= -1.3e-72) {
tmp = x * y;
} else if (x <= 1.02e-14) {
tmp = z * 5.0;
} else if (x <= 8.5e+95) {
tmp = x * y;
} else if (x <= 2.6e+179) {
tmp = z * x;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -3.9e+192: tmp = x * y elif x <= -920000000.0: tmp = z * x elif x <= -1.3e-72: tmp = x * y elif x <= 1.02e-14: tmp = z * 5.0 elif x <= 8.5e+95: tmp = x * y elif x <= 2.6e+179: tmp = z * x else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -3.9e+192) tmp = Float64(x * y); elseif (x <= -920000000.0) tmp = Float64(z * x); elseif (x <= -1.3e-72) tmp = Float64(x * y); elseif (x <= 1.02e-14) tmp = Float64(z * 5.0); elseif (x <= 8.5e+95) tmp = Float64(x * y); elseif (x <= 2.6e+179) 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 <= -3.9e+192) tmp = x * y; elseif (x <= -920000000.0) tmp = z * x; elseif (x <= -1.3e-72) tmp = x * y; elseif (x <= 1.02e-14) tmp = z * 5.0; elseif (x <= 8.5e+95) tmp = x * y; elseif (x <= 2.6e+179) tmp = z * x; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -3.9e+192], N[(x * y), $MachinePrecision], If[LessEqual[x, -920000000.0], N[(z * x), $MachinePrecision], If[LessEqual[x, -1.3e-72], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.02e-14], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 8.5e+95], N[(x * y), $MachinePrecision], If[LessEqual[x, 2.6e+179], N[(z * x), $MachinePrecision], N[(x * y), $MachinePrecision]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.9 \cdot 10^{+192}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -920000000:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -1.3 \cdot 10^{-72}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.02 \cdot 10^{-14}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 8.5 \cdot 10^{+95}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 2.6 \cdot 10^{+179}:\\
\;\;\;\;z \cdot x\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -3.8999999999999998e192 or -9.2e8 < x < -1.29999999999999998e-72 or 1.02e-14 < x < 8.5000000000000002e95 or 2.6000000000000002e179 < x Initial program 100.0%
Taylor expanded in y around inf 67.5%
if -3.8999999999999998e192 < x < -9.2e8 or 8.5000000000000002e95 < x < 2.6000000000000002e179Initial program 100.0%
Taylor expanded in x around inf 98.2%
+-commutative98.2%
Simplified98.2%
Taylor expanded in z around inf 63.8%
if -1.29999999999999998e-72 < x < 1.02e-14Initial program 99.9%
Taylor expanded in x around 0 78.7%
Final simplification71.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -45000.0) (not (<= x 0.057))) (* x (+ z y)) (- (* x y) (* z -5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -45000.0) || !(x <= 0.057)) {
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 <= (-45000.0d0)) .or. (.not. (x <= 0.057d0))) 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 <= -45000.0) || !(x <= 0.057)) {
tmp = x * (z + y);
} else {
tmp = (x * y) - (z * -5.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -45000.0) or not (x <= 0.057): tmp = x * (z + y) else: tmp = (x * y) - (z * -5.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -45000.0) || !(x <= 0.057)) 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 <= -45000.0) || ~((x <= 0.057))) tmp = x * (z + y); else tmp = (x * y) - (z * -5.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -45000.0], N[Not[LessEqual[x, 0.057]], $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 -45000 \lor \neg \left(x \leq 0.057\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y - z \cdot -5\\
\end{array}
\end{array}
if x < -45000 or 0.0570000000000000021 < x Initial program 100.0%
Taylor expanded in x around inf 98.6%
+-commutative98.6%
Simplified98.6%
if -45000 < x < 0.0570000000000000021Initial program 99.8%
+-commutative99.8%
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 98.9%
*-commutative98.9%
Simplified98.9%
Final simplification98.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.95e-66) (not (<= x 5.2e-14))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.95e-66) || !(x <= 5.2e-14)) {
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 <= (-1.95d-66)) .or. (.not. (x <= 5.2d-14))) 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 <= -1.95e-66) || !(x <= 5.2e-14)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.95e-66) or not (x <= 5.2e-14): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.95e-66) || !(x <= 5.2e-14)) 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 <= -1.95e-66) || ~((x <= 5.2e-14))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.95e-66], N[Not[LessEqual[x, 5.2e-14]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.95 \cdot 10^{-66} \lor \neg \left(x \leq 5.2 \cdot 10^{-14}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.94999999999999991e-66 or 5.19999999999999993e-14 < x Initial program 100.0%
Taylor expanded in x around inf 95.4%
+-commutative95.4%
Simplified95.4%
if -1.94999999999999991e-66 < x < 5.19999999999999993e-14Initial program 99.9%
Taylor expanded in x around 0 78.3%
Final simplification87.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.2e-66) (not (<= x 0.018))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.2e-66) || !(x <= 0.018)) {
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 <= (-2.2d-66)) .or. (.not. (x <= 0.018d0))) 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 <= -2.2e-66) || !(x <= 0.018)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.2e-66) or not (x <= 0.018): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.2e-66) || !(x <= 0.018)) 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 <= -2.2e-66) || ~((x <= 0.018))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.2e-66], N[Not[LessEqual[x, 0.018]], $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 -2.2 \cdot 10^{-66} \lor \neg \left(x \leq 0.018\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -2.2000000000000001e-66 or 0.0179999999999999986 < x Initial program 100.0%
Taylor expanded in x around inf 96.6%
+-commutative96.6%
Simplified96.6%
if -2.2000000000000001e-66 < x < 0.0179999999999999986Initial program 99.8%
Taylor expanded in y around 0 77.6%
distribute-rgt-in77.6%
Simplified77.6%
Final simplification87.7%
(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 -9.8e-76) (* x y) (if (<= x 1.8e-13) (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= -9.8e-76) {
tmp = x * y;
} else if (x <= 1.8e-13) {
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 <= (-9.8d-76)) then
tmp = x * y
else if (x <= 1.8d-13) 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 <= -9.8e-76) {
tmp = x * y;
} else if (x <= 1.8e-13) {
tmp = z * 5.0;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -9.8e-76: tmp = x * y elif x <= 1.8e-13: tmp = z * 5.0 else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -9.8e-76) tmp = Float64(x * y); elseif (x <= 1.8e-13) 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 <= -9.8e-76) tmp = x * y; elseif (x <= 1.8e-13) tmp = z * 5.0; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -9.8e-76], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.8e-13], N[(z * 5.0), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -9.8 \cdot 10^{-76}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.8 \cdot 10^{-13}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -9.79999999999999944e-76 or 1.7999999999999999e-13 < x Initial program 100.0%
Taylor expanded in y around inf 54.2%
if -9.79999999999999944e-76 < x < 1.7999999999999999e-13Initial program 99.9%
Taylor expanded in x around 0 78.7%
Final simplification65.2%
(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 39.1%
Final simplification39.1%
(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 2023279
(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)))