
(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 y (* z (+ 5.0 x))))
double code(double x, double y, double z) {
return fma(x, y, (z * (5.0 + x)));
}
function code(x, y, z) return fma(x, y, Float64(z * Float64(5.0 + x))) end
code[x_, y_, z_] := N[(x * y + N[(z * N[(5.0 + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(x, y, z \cdot \left(5 + x\right)\right)
\end{array}
Initial program 99.9%
distribute-rgt-in98.7%
associate-+l+98.7%
*-commutative98.7%
fma-define99.9%
distribute-lft-out99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (x y z)
:precision binary64
(if (<= x -4.8e-9)
(* x y)
(if (<= x 1.6e-92)
(* z 5.0)
(if (or (<= x 1.75e+22) (and (not (<= x 4.9e+48)) (<= x 3.7e+87)))
(* x y)
(* z x)))))
double code(double x, double y, double z) {
double tmp;
if (x <= -4.8e-9) {
tmp = x * y;
} else if (x <= 1.6e-92) {
tmp = z * 5.0;
} else if ((x <= 1.75e+22) || (!(x <= 4.9e+48) && (x <= 3.7e+87))) {
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 <= (-4.8d-9)) then
tmp = x * y
else if (x <= 1.6d-92) then
tmp = z * 5.0d0
else if ((x <= 1.75d+22) .or. (.not. (x <= 4.9d+48)) .and. (x <= 3.7d+87)) 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 <= -4.8e-9) {
tmp = x * y;
} else if (x <= 1.6e-92) {
tmp = z * 5.0;
} else if ((x <= 1.75e+22) || (!(x <= 4.9e+48) && (x <= 3.7e+87))) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -4.8e-9: tmp = x * y elif x <= 1.6e-92: tmp = z * 5.0 elif (x <= 1.75e+22) or (not (x <= 4.9e+48) and (x <= 3.7e+87)): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -4.8e-9) tmp = Float64(x * y); elseif (x <= 1.6e-92) tmp = Float64(z * 5.0); elseif ((x <= 1.75e+22) || (!(x <= 4.9e+48) && (x <= 3.7e+87))) 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 <= -4.8e-9) tmp = x * y; elseif (x <= 1.6e-92) tmp = z * 5.0; elseif ((x <= 1.75e+22) || (~((x <= 4.9e+48)) && (x <= 3.7e+87))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -4.8e-9], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.6e-92], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 1.75e+22], And[N[Not[LessEqual[x, 4.9e+48]], $MachinePrecision], LessEqual[x, 3.7e+87]]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.8 \cdot 10^{-9}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.6 \cdot 10^{-92}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 1.75 \cdot 10^{+22} \lor \neg \left(x \leq 4.9 \cdot 10^{+48}\right) \land x \leq 3.7 \cdot 10^{+87}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -4.8e-9 or 1.5999999999999998e-92 < x < 1.75e22 or 4.9000000000000003e48 < x < 3.70000000000000003e87Initial program 99.9%
Taylor expanded in y around inf 63.1%
if -4.8e-9 < x < 1.5999999999999998e-92Initial program 99.8%
Taylor expanded in x around 0 74.5%
if 1.75e22 < x < 4.9000000000000003e48 or 3.70000000000000003e87 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 71.4%
Final simplification69.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -180000.0) (not (<= x 5.0))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -180000.0) || !(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 <= (-180000.0d0)) .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 <= -180000.0) || !(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 <= -180000.0) 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 <= -180000.0) || !(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 <= -180000.0) || ~((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, -180000.0], 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 -180000 \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 < -1.8e5 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.1%
+-commutative99.1%
Simplified99.1%
if -1.8e5 < x < 5Initial program 99.8%
Taylor expanded in x around inf 77.1%
Taylor expanded in x around 0 75.6%
associate-*r/75.7%
associate-*l/75.6%
associate-/r/75.6%
Simplified75.6%
Taylor expanded in x around 0 98.3%
Final simplification98.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -4.5e-9) (not (<= x 1.8e-92))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.5e-9) || !(x <= 1.8e-92)) {
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 <= (-4.5d-9)) .or. (.not. (x <= 1.8d-92))) 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 <= -4.5e-9) || !(x <= 1.8e-92)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.5e-9) or not (x <= 1.8e-92): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.5e-9) || !(x <= 1.8e-92)) 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 <= -4.5e-9) || ~((x <= 1.8e-92))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.5e-9], N[Not[LessEqual[x, 1.8e-92]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.5 \cdot 10^{-9} \lor \neg \left(x \leq 1.8 \cdot 10^{-92}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -4.49999999999999976e-9 or 1.80000000000000008e-92 < x Initial program 100.0%
Taylor expanded in x around inf 96.1%
+-commutative96.1%
Simplified96.1%
if -4.49999999999999976e-9 < x < 1.80000000000000008e-92Initial program 99.8%
Taylor expanded in x around 0 74.5%
Final simplification87.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.4) (not (<= x 5e-93))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.4) || !(x <= 5e-93)) {
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 <= (-0.4d0)) .or. (.not. (x <= 5d-93))) 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 <= -0.4) || !(x <= 5e-93)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.4) or not (x <= 5e-93): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.4) || !(x <= 5e-93)) 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 <= -0.4) || ~((x <= 5e-93))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.4], N[Not[LessEqual[x, 5e-93]], $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 -0.4 \lor \neg \left(x \leq 5 \cdot 10^{-93}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -0.40000000000000002 or 4.99999999999999994e-93 < x Initial program 100.0%
Taylor expanded in x around inf 96.7%
+-commutative96.7%
Simplified96.7%
if -0.40000000000000002 < x < 4.99999999999999994e-93Initial program 99.8%
Taylor expanded in y around 0 74.5%
distribute-rgt-in74.5%
Simplified74.5%
Final simplification87.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -4.2e-9) (not (<= x 1.35e-92))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.2e-9) || !(x <= 1.35e-92)) {
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-9)) .or. (.not. (x <= 1.35d-92))) 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-9) || !(x <= 1.35e-92)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.2e-9) or not (x <= 1.35e-92): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.2e-9) || !(x <= 1.35e-92)) 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-9) || ~((x <= 1.35e-92))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.2e-9], N[Not[LessEqual[x, 1.35e-92]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.2 \cdot 10^{-9} \lor \neg \left(x \leq 1.35 \cdot 10^{-92}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -4.20000000000000039e-9 or 1.34999999999999998e-92 < x Initial program 100.0%
Taylor expanded in y around inf 55.5%
if -4.20000000000000039e-9 < x < 1.34999999999999998e-92Initial program 99.8%
Taylor expanded in x around 0 74.5%
Final simplification63.2%
(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 33.3%
Final simplification33.3%
(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 2024078
(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)))