
(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 -3.2e+203)
(* z x)
(if (<= x -2.2e+173)
(* x y)
(if (<= x -1e+154)
(* z x)
(if (<= x -5.7e+97)
(* x y)
(if (<= x -5.0)
(* z x)
(if (<= x 5.0) (* z 5.0) (if (<= x 1.3e+181) (* z x) (* x y)))))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -3.2e+203) {
tmp = z * x;
} else if (x <= -2.2e+173) {
tmp = x * y;
} else if (x <= -1e+154) {
tmp = z * x;
} else if (x <= -5.7e+97) {
tmp = x * y;
} else if (x <= -5.0) {
tmp = z * x;
} else if (x <= 5.0) {
tmp = z * 5.0;
} else if (x <= 1.3e+181) {
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 <= (-3.2d+203)) then
tmp = z * x
else if (x <= (-2.2d+173)) then
tmp = x * y
else if (x <= (-1d+154)) then
tmp = z * x
else if (x <= (-5.7d+97)) then
tmp = x * y
else if (x <= (-5.0d0)) then
tmp = z * x
else if (x <= 5.0d0) then
tmp = z * 5.0d0
else if (x <= 1.3d+181) 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 <= -3.2e+203) {
tmp = z * x;
} else if (x <= -2.2e+173) {
tmp = x * y;
} else if (x <= -1e+154) {
tmp = z * x;
} else if (x <= -5.7e+97) {
tmp = x * y;
} else if (x <= -5.0) {
tmp = z * x;
} else if (x <= 5.0) {
tmp = z * 5.0;
} else if (x <= 1.3e+181) {
tmp = z * x;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -3.2e+203: tmp = z * x elif x <= -2.2e+173: tmp = x * y elif x <= -1e+154: tmp = z * x elif x <= -5.7e+97: tmp = x * y elif x <= -5.0: tmp = z * x elif x <= 5.0: tmp = z * 5.0 elif x <= 1.3e+181: tmp = z * x else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -3.2e+203) tmp = Float64(z * x); elseif (x <= -2.2e+173) tmp = Float64(x * y); elseif (x <= -1e+154) tmp = Float64(z * x); elseif (x <= -5.7e+97) tmp = Float64(x * y); elseif (x <= -5.0) tmp = Float64(z * x); elseif (x <= 5.0) tmp = Float64(z * 5.0); elseif (x <= 1.3e+181) 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 <= -3.2e+203) tmp = z * x; elseif (x <= -2.2e+173) tmp = x * y; elseif (x <= -1e+154) tmp = z * x; elseif (x <= -5.7e+97) tmp = x * y; elseif (x <= -5.0) tmp = z * x; elseif (x <= 5.0) tmp = z * 5.0; elseif (x <= 1.3e+181) tmp = z * x; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -3.2e+203], N[(z * x), $MachinePrecision], If[LessEqual[x, -2.2e+173], N[(x * y), $MachinePrecision], If[LessEqual[x, -1e+154], N[(z * x), $MachinePrecision], If[LessEqual[x, -5.7e+97], N[(x * y), $MachinePrecision], If[LessEqual[x, -5.0], N[(z * x), $MachinePrecision], If[LessEqual[x, 5.0], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 1.3e+181], N[(z * x), $MachinePrecision], N[(x * y), $MachinePrecision]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.2 \cdot 10^{+203}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -2.2 \cdot 10^{+173}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -1 \cdot 10^{+154}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -5.7 \cdot 10^{+97}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -5:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq 5:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 1.3 \cdot 10^{+181}:\\
\;\;\;\;z \cdot x\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -3.1999999999999997e203 or -2.2e173 < x < -1.00000000000000004e154 or -5.7000000000000002e97 < x < -5 or 5 < x < 1.3e181Initial program 100.0%
Taylor expanded in x around inf 99.6%
+-commutative99.6%
Simplified99.6%
Taylor expanded in z around inf 69.0%
if -3.1999999999999997e203 < x < -2.2e173 or -1.00000000000000004e154 < x < -5.7000000000000002e97 or 1.3e181 < x Initial program 100.0%
Taylor expanded in y around inf 79.2%
if -5 < x < 5Initial program 99.9%
Taylor expanded in x around 0 72.4%
Final simplification72.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -2600.0) (not (<= x 5.0))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2600.0) || !(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 <= (-2600.0d0)) .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 <= -2600.0) || !(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 <= -2600.0) 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 <= -2600.0) || !(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 <= -2600.0) || ~((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, -2600.0], 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 -2600 \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 < -2600 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.7%
+-commutative99.7%
Simplified99.7%
if -2600 < x < 5Initial program 99.9%
Taylor expanded in y around inf 83.4%
associate-/l*83.0%
distribute-rgt-out83.5%
Simplified83.5%
Taylor expanded in x around 0 82.6%
Taylor expanded in y around 0 97.6%
Final simplification98.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.65e-34) (not (<= x 31.5))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.65e-34) || !(x <= 31.5)) {
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 <= (-3.65d-34)) .or. (.not. (x <= 31.5d0))) 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 <= -3.65e-34) || !(x <= 31.5)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.65e-34) or not (x <= 31.5): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.65e-34) || !(x <= 31.5)) 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 <= -3.65e-34) || ~((x <= 31.5))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.65e-34], N[Not[LessEqual[x, 31.5]], $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 -3.65 \cdot 10^{-34} \lor \neg \left(x \leq 31.5\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -3.64999999999999998e-34 or 31.5 < x Initial program 100.0%
Taylor expanded in x around inf 97.5%
+-commutative97.5%
Simplified97.5%
if -3.64999999999999998e-34 < x < 31.5Initial program 99.9%
Taylor expanded in y around 0 77.0%
distribute-rgt-in77.0%
Simplified77.0%
Final simplification87.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.95e-34) (not (<= x 1.05e-54))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.95e-34) || !(x <= 1.05e-54)) {
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 <= (-2.95d-34)) .or. (.not. (x <= 1.05d-54))) 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 <= -2.95e-34) || !(x <= 1.05e-54)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.95e-34) or not (x <= 1.05e-54): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.95e-34) || !(x <= 1.05e-54)) 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 <= -2.95e-34) || ~((x <= 1.05e-54))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.95e-34], N[Not[LessEqual[x, 1.05e-54]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.95 \cdot 10^{-34} \lor \neg \left(x \leq 1.05 \cdot 10^{-54}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -2.9500000000000001e-34 or 1.05e-54 < x Initial program 100.0%
Taylor expanded in x around inf 93.4%
+-commutative93.4%
Simplified93.4%
if -2.9500000000000001e-34 < x < 1.05e-54Initial program 99.9%
Taylor expanded in x around 0 78.9%
Final simplification87.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -4.2e-34) (not (<= x 1.02e-51))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.2e-34) || !(x <= 1.02e-51)) {
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 <= (-4.2d-34)) .or. (.not. (x <= 1.02d-51))) 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 <= -4.2e-34) || !(x <= 1.02e-51)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.2e-34) or not (x <= 1.02e-51): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.2e-34) || !(x <= 1.02e-51)) 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 <= -4.2e-34) || ~((x <= 1.02e-51))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.2e-34], N[Not[LessEqual[x, 1.02e-51]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.2 \cdot 10^{-34} \lor \neg \left(x \leq 1.02 \cdot 10^{-51}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -4.2000000000000002e-34 or 1.01999999999999998e-51 < x Initial program 100.0%
Taylor expanded in y around inf 52.9%
if -4.2000000000000002e-34 < x < 1.01999999999999998e-51Initial program 99.9%
Taylor expanded in x around 0 78.4%
Final simplification64.3%
(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 (* 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 38.7%
Final simplification38.7%
(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 2024101
(FPCore (x y z)
:name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, C"
:precision binary64
:alt
(+ (* (+ x 5.0) z) (* x y))
(+ (* x (+ y z)) (* z 5.0)))