
(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 9 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 (fma x (+ z y) (* z 5.0)))
double code(double x, double y, double z) {
return fma(x, (z + y), (z * 5.0));
}
function code(x, y, z) return fma(x, Float64(z + y), Float64(z * 5.0)) end
code[x_, y_, z_] := N[(x * N[(z + y), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(x, z + y, z \cdot 5\right)
\end{array}
Initial program 99.9%
fma-define100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -7.2e+160)
(* z x)
(if (<= x -4.3e+141)
(* x y)
(if (<= x -5.3e+88)
(* z x)
(if (<= x -8.5e-8)
(* x y)
(if (<= x 4.8e-28) (* z 5.0) (if (<= x 7.8e+49) (* x y) (* z x))))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.2e+160) {
tmp = z * x;
} else if (x <= -4.3e+141) {
tmp = x * y;
} else if (x <= -5.3e+88) {
tmp = z * x;
} else if (x <= -8.5e-8) {
tmp = x * y;
} else if (x <= 4.8e-28) {
tmp = z * 5.0;
} else if (x <= 7.8e+49) {
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 <= (-7.2d+160)) then
tmp = z * x
else if (x <= (-4.3d+141)) then
tmp = x * y
else if (x <= (-5.3d+88)) then
tmp = z * x
else if (x <= (-8.5d-8)) then
tmp = x * y
else if (x <= 4.8d-28) then
tmp = z * 5.0d0
else if (x <= 7.8d+49) 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 <= -7.2e+160) {
tmp = z * x;
} else if (x <= -4.3e+141) {
tmp = x * y;
} else if (x <= -5.3e+88) {
tmp = z * x;
} else if (x <= -8.5e-8) {
tmp = x * y;
} else if (x <= 4.8e-28) {
tmp = z * 5.0;
} else if (x <= 7.8e+49) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -7.2e+160: tmp = z * x elif x <= -4.3e+141: tmp = x * y elif x <= -5.3e+88: tmp = z * x elif x <= -8.5e-8: tmp = x * y elif x <= 4.8e-28: tmp = z * 5.0 elif x <= 7.8e+49: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -7.2e+160) tmp = Float64(z * x); elseif (x <= -4.3e+141) tmp = Float64(x * y); elseif (x <= -5.3e+88) tmp = Float64(z * x); elseif (x <= -8.5e-8) tmp = Float64(x * y); elseif (x <= 4.8e-28) tmp = Float64(z * 5.0); elseif (x <= 7.8e+49) 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 <= -7.2e+160) tmp = z * x; elseif (x <= -4.3e+141) tmp = x * y; elseif (x <= -5.3e+88) tmp = z * x; elseif (x <= -8.5e-8) tmp = x * y; elseif (x <= 4.8e-28) tmp = z * 5.0; elseif (x <= 7.8e+49) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -7.2e+160], N[(z * x), $MachinePrecision], If[LessEqual[x, -4.3e+141], N[(x * y), $MachinePrecision], If[LessEqual[x, -5.3e+88], N[(z * x), $MachinePrecision], If[LessEqual[x, -8.5e-8], N[(x * y), $MachinePrecision], If[LessEqual[x, 4.8e-28], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 7.8e+49], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.2 \cdot 10^{+160}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -4.3 \cdot 10^{+141}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -5.3 \cdot 10^{+88}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -8.5 \cdot 10^{-8}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 4.8 \cdot 10^{-28}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 7.8 \cdot 10^{+49}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -7.20000000000000042e160 or -4.2999999999999999e141 < x < -5.29999999999999987e88 or 7.8000000000000002e49 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 63.8%
if -7.20000000000000042e160 < x < -4.2999999999999999e141 or -5.29999999999999987e88 < x < -8.49999999999999935e-8 or 4.8000000000000004e-28 < x < 7.8000000000000002e49Initial program 100.0%
Taylor expanded in y around inf 70.7%
if -8.49999999999999935e-8 < x < 4.8000000000000004e-28Initial program 99.9%
Taylor expanded in x around 0 73.6%
Final simplification69.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -9e+15) (not (<= x 4.2e-7))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -9e+15) || !(x <= 4.2e-7)) {
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 <= (-9d+15)) .or. (.not. (x <= 4.2d-7))) 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 <= -9e+15) || !(x <= 4.2e-7)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -9e+15) or not (x <= 4.2e-7): tmp = x * (z + y) else: tmp = (z * 5.0) + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -9e+15) || !(x <= 4.2e-7)) 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 <= -9e+15) || ~((x <= 4.2e-7))) tmp = x * (z + y); else tmp = (z * 5.0) + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -9e+15], N[Not[LessEqual[x, 4.2e-7]], $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 -9 \cdot 10^{+15} \lor \neg \left(x \leq 4.2 \cdot 10^{-7}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + x \cdot y\\
\end{array}
\end{array}
if x < -9e15 or 4.2e-7 < x Initial program 100.0%
Taylor expanded in x around inf 99.9%
+-commutative99.9%
Simplified99.9%
if -9e15 < x < 4.2e-7Initial program 99.9%
Taylor expanded in y around inf 88.2%
associate-/l*87.9%
distribute-rgt-out88.2%
Simplified88.2%
Taylor expanded in x around 0 87.8%
Taylor expanded in y around 0 99.5%
Final simplification99.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.5e-8) (not (<= x 1.02e-68))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.5e-8) || !(x <= 1.02e-68)) {
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 <= (-5.5d-8)) .or. (.not. (x <= 1.02d-68))) 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 <= -5.5e-8) || !(x <= 1.02e-68)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.5e-8) or not (x <= 1.02e-68): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.5e-8) || !(x <= 1.02e-68)) 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 <= -5.5e-8) || ~((x <= 1.02e-68))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.5e-8], N[Not[LessEqual[x, 1.02e-68]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.5 \cdot 10^{-8} \lor \neg \left(x \leq 1.02 \cdot 10^{-68}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -5.5000000000000003e-8 or 1.01999999999999997e-68 < x Initial program 100.0%
Taylor expanded in x around inf 96.7%
+-commutative96.7%
Simplified96.7%
if -5.5000000000000003e-8 < x < 1.01999999999999997e-68Initial program 99.9%
Taylor expanded in x around 0 75.3%
Final simplification88.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -180.0) (not (<= x 1.02e-68))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -180.0) || !(x <= 1.02e-68)) {
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 <= (-180.0d0)) .or. (.not. (x <= 1.02d-68))) 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 <= -180.0) || !(x <= 1.02e-68)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -180.0) or not (x <= 1.02e-68): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -180.0) || !(x <= 1.02e-68)) 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 <= -180.0) || ~((x <= 1.02e-68))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -180.0], N[Not[LessEqual[x, 1.02e-68]], $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 -180 \lor \neg \left(x \leq 1.02 \cdot 10^{-68}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -180 or 1.01999999999999997e-68 < x Initial program 100.0%
Taylor expanded in x around inf 96.7%
+-commutative96.7%
Simplified96.7%
if -180 < x < 1.01999999999999997e-68Initial program 99.9%
Taylor expanded in y around 0 75.8%
distribute-rgt-in75.7%
Simplified75.7%
Final simplification88.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.5e-8) (not (<= x 5.5e-29))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.5e-8) || !(x <= 5.5e-29)) {
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 <= (-5.5d-8)) .or. (.not. (x <= 5.5d-29))) 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 <= -5.5e-8) || !(x <= 5.5e-29)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.5e-8) or not (x <= 5.5e-29): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.5e-8) || !(x <= 5.5e-29)) 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 <= -5.5e-8) || ~((x <= 5.5e-29))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.5e-8], N[Not[LessEqual[x, 5.5e-29]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.5 \cdot 10^{-8} \lor \neg \left(x \leq 5.5 \cdot 10^{-29}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -5.5000000000000003e-8 or 5.4999999999999999e-29 < x Initial program 100.0%
Taylor expanded in y around inf 53.0%
if -5.5000000000000003e-8 < x < 5.4999999999999999e-29Initial program 99.9%
Taylor expanded in x around 0 73.6%
Final simplification61.6%
(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 33.2%
Final simplification33.2%
(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 2024071
(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)))