
(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 (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-def99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (x y z)
:precision binary64
(if (<= x -2.25e-95)
(* x y)
(if (<= x 2.05e-137)
(* z 5.0)
(if (<= x 6.2e-124)
(* x y)
(if (<= x 6e-23)
(* z 5.0)
(if (or (<= x 3800000.0) (not (<= x 1.15e+275))) (* x y) (* z x)))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.25e-95) {
tmp = x * y;
} else if (x <= 2.05e-137) {
tmp = z * 5.0;
} else if (x <= 6.2e-124) {
tmp = x * y;
} else if (x <= 6e-23) {
tmp = z * 5.0;
} else if ((x <= 3800000.0) || !(x <= 1.15e+275)) {
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 <= (-2.25d-95)) then
tmp = x * y
else if (x <= 2.05d-137) then
tmp = z * 5.0d0
else if (x <= 6.2d-124) then
tmp = x * y
else if (x <= 6d-23) then
tmp = z * 5.0d0
else if ((x <= 3800000.0d0) .or. (.not. (x <= 1.15d+275))) 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 <= -2.25e-95) {
tmp = x * y;
} else if (x <= 2.05e-137) {
tmp = z * 5.0;
} else if (x <= 6.2e-124) {
tmp = x * y;
} else if (x <= 6e-23) {
tmp = z * 5.0;
} else if ((x <= 3800000.0) || !(x <= 1.15e+275)) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.25e-95: tmp = x * y elif x <= 2.05e-137: tmp = z * 5.0 elif x <= 6.2e-124: tmp = x * y elif x <= 6e-23: tmp = z * 5.0 elif (x <= 3800000.0) or not (x <= 1.15e+275): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.25e-95) tmp = Float64(x * y); elseif (x <= 2.05e-137) tmp = Float64(z * 5.0); elseif (x <= 6.2e-124) tmp = Float64(x * y); elseif (x <= 6e-23) tmp = Float64(z * 5.0); elseif ((x <= 3800000.0) || !(x <= 1.15e+275)) 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 <= -2.25e-95) tmp = x * y; elseif (x <= 2.05e-137) tmp = z * 5.0; elseif (x <= 6.2e-124) tmp = x * y; elseif (x <= 6e-23) tmp = z * 5.0; elseif ((x <= 3800000.0) || ~((x <= 1.15e+275))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.25e-95], N[(x * y), $MachinePrecision], If[LessEqual[x, 2.05e-137], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 6.2e-124], N[(x * y), $MachinePrecision], If[LessEqual[x, 6e-23], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 3800000.0], N[Not[LessEqual[x, 1.15e+275]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.25 \cdot 10^{-95}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 2.05 \cdot 10^{-137}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 6.2 \cdot 10^{-124}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 6 \cdot 10^{-23}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 3800000 \lor \neg \left(x \leq 1.15 \cdot 10^{+275}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -2.25e-95 or 2.0499999999999999e-137 < x < 6.1999999999999996e-124 or 6.00000000000000006e-23 < x < 3.8e6 or 1.15000000000000005e275 < x Initial program 99.9%
Taylor expanded in y around inf 67.0%
if -2.25e-95 < x < 2.0499999999999999e-137 or 6.1999999999999996e-124 < x < 6.00000000000000006e-23Initial program 99.9%
Taylor expanded in x around 0 75.8%
if 3.8e6 < x < 1.15000000000000005e275Initial program 100.0%
Taylor expanded in x around inf 98.9%
+-commutative98.9%
Simplified98.9%
Taylor expanded in z around inf 70.4%
Final simplification71.3%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* x (+ z y))))
(if (<= x -2.25e-95)
t_0
(if (<= x 1.85e-137)
(* z 5.0)
(if (<= x 6.1e-124) (* x y) (if (<= x 4.8e-16) (* z 5.0) t_0))))))
double code(double x, double y, double z) {
double t_0 = x * (z + y);
double tmp;
if (x <= -2.25e-95) {
tmp = t_0;
} else if (x <= 1.85e-137) {
tmp = z * 5.0;
} else if (x <= 6.1e-124) {
tmp = x * y;
} else if (x <= 4.8e-16) {
tmp = z * 5.0;
} else {
tmp = t_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) :: t_0
real(8) :: tmp
t_0 = x * (z + y)
if (x <= (-2.25d-95)) then
tmp = t_0
else if (x <= 1.85d-137) then
tmp = z * 5.0d0
else if (x <= 6.1d-124) then
tmp = x * y
else if (x <= 4.8d-16) then
tmp = z * 5.0d0
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = x * (z + y);
double tmp;
if (x <= -2.25e-95) {
tmp = t_0;
} else if (x <= 1.85e-137) {
tmp = z * 5.0;
} else if (x <= 6.1e-124) {
tmp = x * y;
} else if (x <= 4.8e-16) {
tmp = z * 5.0;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = x * (z + y) tmp = 0 if x <= -2.25e-95: tmp = t_0 elif x <= 1.85e-137: tmp = z * 5.0 elif x <= 6.1e-124: tmp = x * y elif x <= 4.8e-16: tmp = z * 5.0 else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(x * Float64(z + y)) tmp = 0.0 if (x <= -2.25e-95) tmp = t_0; elseif (x <= 1.85e-137) tmp = Float64(z * 5.0); elseif (x <= 6.1e-124) tmp = Float64(x * y); elseif (x <= 4.8e-16) tmp = Float64(z * 5.0); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = x * (z + y); tmp = 0.0; if (x <= -2.25e-95) tmp = t_0; elseif (x <= 1.85e-137) tmp = z * 5.0; elseif (x <= 6.1e-124) tmp = x * y; elseif (x <= 4.8e-16) tmp = z * 5.0; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[x, -2.25e-95], t$95$0, If[LessEqual[x, 1.85e-137], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 6.1e-124], N[(x * y), $MachinePrecision], If[LessEqual[x, 4.8e-16], N[(z * 5.0), $MachinePrecision], t$95$0]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := x \cdot \left(z + y\right)\\
\mathbf{if}\;x \leq -2.25 \cdot 10^{-95}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;x \leq 1.85 \cdot 10^{-137}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 6.1 \cdot 10^{-124}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 4.8 \cdot 10^{-16}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if x < -2.25e-95 or 4.8000000000000001e-16 < x Initial program 99.9%
Taylor expanded in x around inf 94.9%
+-commutative94.9%
Simplified94.9%
if -2.25e-95 < x < 1.85e-137 or 6.0999999999999998e-124 < x < 4.8000000000000001e-16Initial program 99.9%
Taylor expanded in x around 0 75.8%
if 1.85e-137 < x < 6.0999999999999998e-124Initial program 99.8%
Taylor expanded in y around inf 81.8%
Final simplification87.1%
(FPCore (x y z)
:precision binary64
(if (or (<= x -2.15e-95)
(and (not (<= x 2.05e-137))
(or (<= x 6.1e-124) (not (<= x 1.75e-16)))))
(* x y)
(* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.15e-95) || (!(x <= 2.05e-137) && ((x <= 6.1e-124) || !(x <= 1.75e-16)))) {
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 <= (-2.15d-95)) .or. (.not. (x <= 2.05d-137)) .and. (x <= 6.1d-124) .or. (.not. (x <= 1.75d-16))) 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 <= -2.15e-95) || (!(x <= 2.05e-137) && ((x <= 6.1e-124) || !(x <= 1.75e-16)))) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.15e-95) or (not (x <= 2.05e-137) and ((x <= 6.1e-124) or not (x <= 1.75e-16))): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.15e-95) || (!(x <= 2.05e-137) && ((x <= 6.1e-124) || !(x <= 1.75e-16)))) 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 <= -2.15e-95) || (~((x <= 2.05e-137)) && ((x <= 6.1e-124) || ~((x <= 1.75e-16))))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.15e-95], And[N[Not[LessEqual[x, 2.05e-137]], $MachinePrecision], Or[LessEqual[x, 6.1e-124], N[Not[LessEqual[x, 1.75e-16]], $MachinePrecision]]]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.15 \cdot 10^{-95} \lor \neg \left(x \leq 2.05 \cdot 10^{-137}\right) \land \left(x \leq 6.1 \cdot 10^{-124} \lor \neg \left(x \leq 1.75 \cdot 10^{-16}\right)\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -2.14999999999999999e-95 or 2.0499999999999999e-137 < x < 6.0999999999999998e-124 or 1.75000000000000009e-16 < x Initial program 99.9%
Taylor expanded in y around inf 52.8%
if -2.14999999999999999e-95 < x < 2.0499999999999999e-137 or 6.0999999999999998e-124 < x < 1.75000000000000009e-16Initial program 99.9%
Taylor expanded in x around 0 75.8%
Final simplification61.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.6e+15) (not (<= x 3e-15))) (* x (+ z y)) (- (* x y) (* z -5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.6e+15) || !(x <= 3e-15)) {
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 <= (-5.6d+15)) .or. (.not. (x <= 3d-15))) 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 <= -5.6e+15) || !(x <= 3e-15)) {
tmp = x * (z + y);
} else {
tmp = (x * y) - (z * -5.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.6e+15) or not (x <= 3e-15): tmp = x * (z + y) else: tmp = (x * y) - (z * -5.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.6e+15) || !(x <= 3e-15)) 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 <= -5.6e+15) || ~((x <= 3e-15))) tmp = x * (z + y); else tmp = (x * y) - (z * -5.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.6e+15], N[Not[LessEqual[x, 3e-15]], $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 -5.6 \cdot 10^{+15} \lor \neg \left(x \leq 3 \cdot 10^{-15}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y - z \cdot -5\\
\end{array}
\end{array}
if x < -5.6e15 or 3e-15 < x Initial program 100.0%
Taylor expanded in x around inf 99.3%
+-commutative99.3%
Simplified99.3%
if -5.6e15 < x < 3e-15Initial 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 99.8%
*-commutative99.8%
Simplified99.8%
Final simplification99.5%
(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 (* 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 34.5%
Final simplification34.5%
(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 2024026
(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)))