
(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
(if (<= x -16200000.0)
(* z x)
(if (<= x 3.5e-50)
(* z 5.0)
(if (or (<= x 2.2e+61) (and (not (<= x 5e+195)) (<= x 1.08e+248)))
(* x y)
(* z x)))))
double code(double x, double y, double z) {
double tmp;
if (x <= -16200000.0) {
tmp = z * x;
} else if (x <= 3.5e-50) {
tmp = z * 5.0;
} else if ((x <= 2.2e+61) || (!(x <= 5e+195) && (x <= 1.08e+248))) {
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 <= (-16200000.0d0)) then
tmp = z * x
else if (x <= 3.5d-50) then
tmp = z * 5.0d0
else if ((x <= 2.2d+61) .or. (.not. (x <= 5d+195)) .and. (x <= 1.08d+248)) 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 <= -16200000.0) {
tmp = z * x;
} else if (x <= 3.5e-50) {
tmp = z * 5.0;
} else if ((x <= 2.2e+61) || (!(x <= 5e+195) && (x <= 1.08e+248))) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -16200000.0: tmp = z * x elif x <= 3.5e-50: tmp = z * 5.0 elif (x <= 2.2e+61) or (not (x <= 5e+195) and (x <= 1.08e+248)): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -16200000.0) tmp = Float64(z * x); elseif (x <= 3.5e-50) tmp = Float64(z * 5.0); elseif ((x <= 2.2e+61) || (!(x <= 5e+195) && (x <= 1.08e+248))) 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 <= -16200000.0) tmp = z * x; elseif (x <= 3.5e-50) tmp = z * 5.0; elseif ((x <= 2.2e+61) || (~((x <= 5e+195)) && (x <= 1.08e+248))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -16200000.0], N[(z * x), $MachinePrecision], If[LessEqual[x, 3.5e-50], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 2.2e+61], And[N[Not[LessEqual[x, 5e+195]], $MachinePrecision], LessEqual[x, 1.08e+248]]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -16200000:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq 3.5 \cdot 10^{-50}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 2.2 \cdot 10^{+61} \lor \neg \left(x \leq 5 \cdot 10^{+195}\right) \land x \leq 1.08 \cdot 10^{+248}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -1.62e7 or 2.2e61 < x < 4.9999999999999998e195 or 1.08e248 < x Initial program 100.0%
Taylor expanded in y around 0 67.5%
+-commutative67.5%
*-commutative67.5%
distribute-rgt-in67.5%
Simplified67.5%
Taylor expanded in x around inf 66.6%
if -1.62e7 < x < 3.49999999999999997e-50Initial program 99.9%
Taylor expanded in x around 0 73.2%
if 3.49999999999999997e-50 < x < 2.2e61 or 4.9999999999999998e195 < x < 1.08e248Initial program 99.9%
Taylor expanded in y around inf 64.2%
Final simplification69.3%
(FPCore (x y z)
:precision binary64
(if (or (<= z -1.45e-101)
(and (not (<= z 1.2e-273))
(or (<= z 6.6e-218) (not (<= z 1.85e-121)))))
(* z (+ 5.0 x))
(* x y)))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.45e-101) || (!(z <= 1.2e-273) && ((z <= 6.6e-218) || !(z <= 1.85e-121)))) {
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 ((z <= (-1.45d-101)) .or. (.not. (z <= 1.2d-273)) .and. (z <= 6.6d-218) .or. (.not. (z <= 1.85d-121))) 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 ((z <= -1.45e-101) || (!(z <= 1.2e-273) && ((z <= 6.6e-218) || !(z <= 1.85e-121)))) {
tmp = z * (5.0 + x);
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.45e-101) or (not (z <= 1.2e-273) and ((z <= 6.6e-218) or not (z <= 1.85e-121))): tmp = z * (5.0 + x) else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.45e-101) || (!(z <= 1.2e-273) && ((z <= 6.6e-218) || !(z <= 1.85e-121)))) 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 ((z <= -1.45e-101) || (~((z <= 1.2e-273)) && ((z <= 6.6e-218) || ~((z <= 1.85e-121))))) tmp = z * (5.0 + x); else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.45e-101], And[N[Not[LessEqual[z, 1.2e-273]], $MachinePrecision], Or[LessEqual[z, 6.6e-218], N[Not[LessEqual[z, 1.85e-121]], $MachinePrecision]]]], N[(z * N[(5.0 + x), $MachinePrecision]), $MachinePrecision], N[(x * y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.45 \cdot 10^{-101} \lor \neg \left(z \leq 1.2 \cdot 10^{-273}\right) \land \left(z \leq 6.6 \cdot 10^{-218} \lor \neg \left(z \leq 1.85 \cdot 10^{-121}\right)\right):\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if z < -1.45e-101 or 1.19999999999999991e-273 < z < 6.60000000000000046e-218 or 1.8500000000000001e-121 < z Initial program 99.9%
Taylor expanded in y around 0 79.1%
+-commutative79.1%
*-commutative79.1%
distribute-rgt-in79.1%
Simplified79.1%
if -1.45e-101 < z < 1.19999999999999991e-273 or 6.60000000000000046e-218 < z < 1.8500000000000001e-121Initial program 100.0%
Taylor expanded in y around inf 72.7%
Final simplification77.4%
(FPCore (x y z) :precision binary64 (if (or (<= x -430.0) (not (<= x 5.1e-48))) (* x (+ z y)) (+ (* z 5.0) (* z x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -430.0) || !(x <= 5.1e-48)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (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 <= (-430.0d0)) .or. (.not. (x <= 5.1d-48))) then
tmp = x * (z + y)
else
tmp = (z * 5.0d0) + (z * x)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -430.0) || !(x <= 5.1e-48)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (z * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -430.0) or not (x <= 5.1e-48): tmp = x * (z + y) else: tmp = (z * 5.0) + (z * x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -430.0) || !(x <= 5.1e-48)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(Float64(z * 5.0) + Float64(z * x)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -430.0) || ~((x <= 5.1e-48))) tmp = x * (z + y); else tmp = (z * 5.0) + (z * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -430.0], N[Not[LessEqual[x, 5.1e-48]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(N[(z * 5.0), $MachinePrecision] + N[(z * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -430 \lor \neg \left(x \leq 5.1 \cdot 10^{-48}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + z \cdot x\\
\end{array}
\end{array}
if x < -430 or 5.10000000000000011e-48 < x Initial program 99.9%
Taylor expanded in x around inf 96.2%
+-commutative96.2%
Simplified96.2%
if -430 < x < 5.10000000000000011e-48Initial program 99.9%
Taylor expanded in y around 0 75.7%
Final simplification86.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -500.0) (not (<= x 2.4e-48))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -500.0) || !(x <= 2.4e-48)) {
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 <= (-500.0d0)) .or. (.not. (x <= 2.4d-48))) 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 <= -500.0) || !(x <= 2.4e-48)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -500.0) or not (x <= 2.4e-48): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -500.0) || !(x <= 2.4e-48)) 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 <= -500.0) || ~((x <= 2.4e-48))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -500.0], N[Not[LessEqual[x, 2.4e-48]], $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 -500 \lor \neg \left(x \leq 2.4 \cdot 10^{-48}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -500 or 2.4e-48 < x Initial program 99.9%
Taylor expanded in x around inf 96.2%
+-commutative96.2%
Simplified96.2%
if -500 < x < 2.4e-48Initial program 99.9%
Taylor expanded in y around 0 75.7%
+-commutative75.7%
*-commutative75.7%
distribute-rgt-in75.7%
Simplified75.7%
Final simplification86.8%
(FPCore (x y z) :precision binary64 (+ (* z 5.0) (* x (+ z y))))
double code(double x, double y, double z) {
return (z * 5.0) + (x * (z + y));
}
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) + (x * (z + y))
end function
public static double code(double x, double y, double z) {
return (z * 5.0) + (x * (z + y));
}
def code(x, y, z): return (z * 5.0) + (x * (z + y))
function code(x, y, z) return Float64(Float64(z * 5.0) + Float64(x * Float64(z + y))) end
function tmp = code(x, y, z) tmp = (z * 5.0) + (x * (z + y)); end
code[x_, y_, z_] := N[(N[(z * 5.0), $MachinePrecision] + N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z \cdot 5 + x \cdot \left(z + y\right)
\end{array}
Initial program 99.9%
Final simplification99.9%
(FPCore (x y z) :precision binary64 (if (<= x -7.5e-52) (* x y) (if (<= x 5.1e-48) (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.5e-52) {
tmp = x * y;
} else if (x <= 5.1e-48) {
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 <= (-7.5d-52)) then
tmp = x * y
else if (x <= 5.1d-48) 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 <= -7.5e-52) {
tmp = x * y;
} else if (x <= 5.1e-48) {
tmp = z * 5.0;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -7.5e-52: tmp = x * y elif x <= 5.1e-48: tmp = z * 5.0 else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -7.5e-52) tmp = Float64(x * y); elseif (x <= 5.1e-48) 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 <= -7.5e-52) tmp = x * y; elseif (x <= 5.1e-48) tmp = z * 5.0; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -7.5e-52], N[(x * y), $MachinePrecision], If[LessEqual[x, 5.1e-48], N[(z * 5.0), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.5 \cdot 10^{-52}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 5.1 \cdot 10^{-48}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -7.50000000000000006e-52 or 5.10000000000000011e-48 < x Initial program 99.9%
Taylor expanded in y around inf 45.8%
if -7.50000000000000006e-52 < x < 5.10000000000000011e-48Initial program 99.9%
Taylor expanded in x around 0 78.4%
Final simplification59.2%
(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 37.5%
Final simplification37.5%
(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 2023200
(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)))