
(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 (<= y -1.6e+73)
(* x y)
(if (or (<= y 4.5e-40) (and (not (<= y 2.95e-6)) (<= y 4.2e+112)))
(* z (+ 5.0 x))
(* x y))))
double code(double x, double y, double z) {
double tmp;
if (y <= -1.6e+73) {
tmp = x * y;
} else if ((y <= 4.5e-40) || (!(y <= 2.95e-6) && (y <= 4.2e+112))) {
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 <= (-1.6d+73)) then
tmp = x * y
else if ((y <= 4.5d-40) .or. (.not. (y <= 2.95d-6)) .and. (y <= 4.2d+112)) 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 <= -1.6e+73) {
tmp = x * y;
} else if ((y <= 4.5e-40) || (!(y <= 2.95e-6) && (y <= 4.2e+112))) {
tmp = z * (5.0 + x);
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -1.6e+73: tmp = x * y elif (y <= 4.5e-40) or (not (y <= 2.95e-6) and (y <= 4.2e+112)): tmp = z * (5.0 + x) else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (y <= -1.6e+73) tmp = Float64(x * y); elseif ((y <= 4.5e-40) || (!(y <= 2.95e-6) && (y <= 4.2e+112))) 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 <= -1.6e+73) tmp = x * y; elseif ((y <= 4.5e-40) || (~((y <= 2.95e-6)) && (y <= 4.2e+112))) tmp = z * (5.0 + x); else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -1.6e+73], N[(x * y), $MachinePrecision], If[Or[LessEqual[y, 4.5e-40], And[N[Not[LessEqual[y, 2.95e-6]], $MachinePrecision], LessEqual[y, 4.2e+112]]], N[(z * N[(5.0 + x), $MachinePrecision]), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.6 \cdot 10^{+73}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;y \leq 4.5 \cdot 10^{-40} \lor \neg \left(y \leq 2.95 \cdot 10^{-6}\right) \land y \leq 4.2 \cdot 10^{+112}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if y < -1.59999999999999991e73 or 4.5000000000000001e-40 < y < 2.95000000000000013e-6 or 4.1999999999999998e112 < y Initial program 100.0%
Taylor expanded in y around inf 78.2%
if -1.59999999999999991e73 < y < 4.5000000000000001e-40 or 2.95000000000000013e-6 < y < 4.1999999999999998e112Initial program 99.9%
Taylor expanded in y around 0 87.2%
+-commutative87.2%
*-commutative87.2%
distribute-rgt-in87.2%
Simplified87.2%
Final simplification83.8%
(FPCore (x y z)
:precision binary64
(if (<= x -200000000000.0)
(* z x)
(if (<= x -3.2e-79)
(* x y)
(if (<= x 5.4e-12) (* z 5.0) (if (<= x 5.5e+152) (* x y) (* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -200000000000.0) {
tmp = z * x;
} else if (x <= -3.2e-79) {
tmp = x * y;
} else if (x <= 5.4e-12) {
tmp = z * 5.0;
} else if (x <= 5.5e+152) {
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 <= (-200000000000.0d0)) then
tmp = z * x
else if (x <= (-3.2d-79)) then
tmp = x * y
else if (x <= 5.4d-12) then
tmp = z * 5.0d0
else if (x <= 5.5d+152) 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 <= -200000000000.0) {
tmp = z * x;
} else if (x <= -3.2e-79) {
tmp = x * y;
} else if (x <= 5.4e-12) {
tmp = z * 5.0;
} else if (x <= 5.5e+152) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -200000000000.0: tmp = z * x elif x <= -3.2e-79: tmp = x * y elif x <= 5.4e-12: tmp = z * 5.0 elif x <= 5.5e+152: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -200000000000.0) tmp = Float64(z * x); elseif (x <= -3.2e-79) tmp = Float64(x * y); elseif (x <= 5.4e-12) tmp = Float64(z * 5.0); elseif (x <= 5.5e+152) 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 <= -200000000000.0) tmp = z * x; elseif (x <= -3.2e-79) tmp = x * y; elseif (x <= 5.4e-12) tmp = z * 5.0; elseif (x <= 5.5e+152) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -200000000000.0], N[(z * x), $MachinePrecision], If[LessEqual[x, -3.2e-79], N[(x * y), $MachinePrecision], If[LessEqual[x, 5.4e-12], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 5.5e+152], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -200000000000:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -3.2 \cdot 10^{-79}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 5.4 \cdot 10^{-12}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 5.5 \cdot 10^{+152}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -2e11 or 5.4999999999999999e152 < x Initial program 100.0%
Taylor expanded in y around 0 66.9%
+-commutative66.9%
*-commutative66.9%
distribute-rgt-in66.9%
Simplified66.9%
Taylor expanded in x around inf 66.5%
if -2e11 < x < -3.19999999999999988e-79 or 5.39999999999999961e-12 < x < 5.4999999999999999e152Initial program 99.9%
Taylor expanded in y around inf 67.8%
if -3.19999999999999988e-79 < x < 5.39999999999999961e-12Initial program 99.9%
Taylor expanded in x around 0 77.3%
Final simplification71.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -6.8e-80) (not (<= x 1.1e-17))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -6.8e-80) || !(x <= 1.1e-17)) {
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 <= (-6.8d-80)) .or. (.not. (x <= 1.1d-17))) 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 <= -6.8e-80) || !(x <= 1.1e-17)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -6.8e-80) or not (x <= 1.1e-17): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -6.8e-80) || !(x <= 1.1e-17)) 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 <= -6.8e-80) || ~((x <= 1.1e-17))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -6.8e-80], N[Not[LessEqual[x, 1.1e-17]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6.8 \cdot 10^{-80} \lor \neg \left(x \leq 1.1 \cdot 10^{-17}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -6.8000000000000001e-80 or 1.1e-17 < x Initial program 99.9%
Taylor expanded in x around inf 94.9%
+-commutative94.9%
Simplified94.9%
if -6.8000000000000001e-80 < x < 1.1e-17Initial program 99.9%
Taylor expanded in x around 0 77.3%
Final simplification87.5%
(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 -1.25e-80) (* x y) (if (<= x 6.2e-18) (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.25e-80) {
tmp = x * y;
} else if (x <= 6.2e-18) {
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 <= (-1.25d-80)) then
tmp = x * y
else if (x <= 6.2d-18) 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 <= -1.25e-80) {
tmp = x * y;
} else if (x <= 6.2e-18) {
tmp = z * 5.0;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.25e-80: tmp = x * y elif x <= 6.2e-18: tmp = z * 5.0 else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.25e-80) tmp = Float64(x * y); elseif (x <= 6.2e-18) 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 <= -1.25e-80) tmp = x * y; elseif (x <= 6.2e-18) tmp = z * 5.0; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.25e-80], N[(x * y), $MachinePrecision], If[LessEqual[x, 6.2e-18], N[(z * 5.0), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.25 \cdot 10^{-80}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 6.2 \cdot 10^{-18}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -1.25e-80 or 6.20000000000000014e-18 < x Initial program 99.9%
Taylor expanded in y around inf 49.6%
if -1.25e-80 < x < 6.20000000000000014e-18Initial program 99.9%
Taylor expanded in x around 0 77.3%
Final simplification61.3%
(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 35.8%
Final simplification35.8%
(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 2023268
(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)))