
(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-define100.0%
Applied egg-rr100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -7e+279)
(* x y)
(if (<= x -6.8e+64)
(* z x)
(if (<= x -5.8e-73)
(* x y)
(if (<= x 1.05e-27)
(* z 5.0)
(if (or (<= x 2.1e+31) (not (<= x 2.6e+228))) (* x y) (* z x)))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7e+279) {
tmp = x * y;
} else if (x <= -6.8e+64) {
tmp = z * x;
} else if (x <= -5.8e-73) {
tmp = x * y;
} else if (x <= 1.05e-27) {
tmp = z * 5.0;
} else if ((x <= 2.1e+31) || !(x <= 2.6e+228)) {
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 <= (-7d+279)) then
tmp = x * y
else if (x <= (-6.8d+64)) then
tmp = z * x
else if (x <= (-5.8d-73)) then
tmp = x * y
else if (x <= 1.05d-27) then
tmp = z * 5.0d0
else if ((x <= 2.1d+31) .or. (.not. (x <= 2.6d+228))) 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 <= -7e+279) {
tmp = x * y;
} else if (x <= -6.8e+64) {
tmp = z * x;
} else if (x <= -5.8e-73) {
tmp = x * y;
} else if (x <= 1.05e-27) {
tmp = z * 5.0;
} else if ((x <= 2.1e+31) || !(x <= 2.6e+228)) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -7e+279: tmp = x * y elif x <= -6.8e+64: tmp = z * x elif x <= -5.8e-73: tmp = x * y elif x <= 1.05e-27: tmp = z * 5.0 elif (x <= 2.1e+31) or not (x <= 2.6e+228): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -7e+279) tmp = Float64(x * y); elseif (x <= -6.8e+64) tmp = Float64(z * x); elseif (x <= -5.8e-73) tmp = Float64(x * y); elseif (x <= 1.05e-27) tmp = Float64(z * 5.0); elseif ((x <= 2.1e+31) || !(x <= 2.6e+228)) 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 <= -7e+279) tmp = x * y; elseif (x <= -6.8e+64) tmp = z * x; elseif (x <= -5.8e-73) tmp = x * y; elseif (x <= 1.05e-27) tmp = z * 5.0; elseif ((x <= 2.1e+31) || ~((x <= 2.6e+228))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -7e+279], N[(x * y), $MachinePrecision], If[LessEqual[x, -6.8e+64], N[(z * x), $MachinePrecision], If[LessEqual[x, -5.8e-73], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.05e-27], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 2.1e+31], N[Not[LessEqual[x, 2.6e+228]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7 \cdot 10^{+279}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -6.8 \cdot 10^{+64}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -5.8 \cdot 10^{-73}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.05 \cdot 10^{-27}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 2.1 \cdot 10^{+31} \lor \neg \left(x \leq 2.6 \cdot 10^{+228}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -7.00000000000000003e279 or -6.8000000000000003e64 < x < -5.8e-73 or 1.05000000000000008e-27 < x < 2.09999999999999979e31 or 2.60000000000000007e228 < x Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 73.5%
if -7.00000000000000003e279 < x < -6.8000000000000003e64 or 2.09999999999999979e31 < x < 2.60000000000000007e228Initial program 100.0%
Taylor expanded in y around 0 63.3%
+-commutative63.3%
distribute-rgt-in63.3%
Simplified63.3%
Taylor expanded in x around inf 63.3%
if -5.8e-73 < x < 1.05000000000000008e-27Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 70.2%
*-commutative70.2%
Simplified70.2%
Final simplification68.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -3700000.0) (not (<= x 5.2e-19))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3700000.0) || !(x <= 5.2e-19)) {
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 <= (-3700000.0d0)) .or. (.not. (x <= 5.2d-19))) 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 <= -3700000.0) || !(x <= 5.2e-19)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (x * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3700000.0) or not (x <= 5.2e-19): tmp = x * (z + y) else: tmp = (z * 5.0) + (x * y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3700000.0) || !(x <= 5.2e-19)) 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 <= -3700000.0) || ~((x <= 5.2e-19))) tmp = x * (z + y); else tmp = (z * 5.0) + (x * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3700000.0], N[Not[LessEqual[x, 5.2e-19]], $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 -3700000 \lor \neg \left(x \leq 5.2 \cdot 10^{-19}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + x \cdot y\\
\end{array}
\end{array}
if x < -3.7e6 or 5.20000000000000026e-19 < x Initial program 100.0%
Taylor expanded in x around inf 99.9%
if -3.7e6 < x < 5.20000000000000026e-19Initial program 99.9%
Taylor expanded in y around inf 99.3%
Final simplification99.6%
(FPCore (x y z) :precision binary64 (if (or (<= z -8.8e-69) (not (<= z 2.35e+123))) (* z (+ 5.0 x)) (* x (+ z y))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -8.8e-69) || !(z <= 2.35e+123)) {
tmp = z * (5.0 + x);
} else {
tmp = x * (z + 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 <= (-8.8d-69)) .or. (.not. (z <= 2.35d+123))) then
tmp = z * (5.0d0 + x)
else
tmp = x * (z + y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -8.8e-69) || !(z <= 2.35e+123)) {
tmp = z * (5.0 + x);
} else {
tmp = x * (z + y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -8.8e-69) or not (z <= 2.35e+123): tmp = z * (5.0 + x) else: tmp = x * (z + y) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -8.8e-69) || !(z <= 2.35e+123)) tmp = Float64(z * Float64(5.0 + x)); else tmp = Float64(x * Float64(z + y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -8.8e-69) || ~((z <= 2.35e+123))) tmp = z * (5.0 + x); else tmp = x * (z + y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -8.8e-69], N[Not[LessEqual[z, 2.35e+123]], $MachinePrecision]], N[(z * N[(5.0 + x), $MachinePrecision]), $MachinePrecision], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -8.8 \cdot 10^{-69} \lor \neg \left(z \leq 2.35 \cdot 10^{+123}\right):\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(z + y\right)\\
\end{array}
\end{array}
if z < -8.8000000000000001e-69 or 2.3499999999999999e123 < z Initial program 99.9%
Taylor expanded in y around 0 88.1%
+-commutative88.1%
distribute-rgt-in88.1%
Simplified88.1%
if -8.8000000000000001e-69 < z < 2.3499999999999999e123Initial program 100.0%
Taylor expanded in x around inf 85.7%
Final simplification86.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -8e-73) (not (<= x 2e-38))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8e-73) || !(x <= 2e-38)) {
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 <= (-8d-73)) .or. (.not. (x <= 2d-38))) 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 <= -8e-73) || !(x <= 2e-38)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8e-73) or not (x <= 2e-38): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8e-73) || !(x <= 2e-38)) 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 <= -8e-73) || ~((x <= 2e-38))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8e-73], N[Not[LessEqual[x, 2e-38]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8 \cdot 10^{-73} \lor \neg \left(x \leq 2 \cdot 10^{-38}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -7.99999999999999998e-73 or 1.9999999999999999e-38 < x Initial program 100.0%
Taylor expanded in x around inf 95.4%
if -7.99999999999999998e-73 < x < 1.9999999999999999e-38Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 70.6%
*-commutative70.6%
Simplified70.6%
Final simplification85.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.5e-73) (not (<= x 4e-28))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.5e-73) || !(x <= 4e-28)) {
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 <= (-3.5d-73)) .or. (.not. (x <= 4d-28))) 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 <= -3.5e-73) || !(x <= 4e-28)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.5e-73) or not (x <= 4e-28): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.5e-73) || !(x <= 4e-28)) 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 <= -3.5e-73) || ~((x <= 4e-28))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.5e-73], N[Not[LessEqual[x, 4e-28]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.5 \cdot 10^{-73} \lor \neg \left(x \leq 4 \cdot 10^{-28}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.4999999999999998e-73 or 3.99999999999999988e-28 < x Initial program 100.0%
+-commutative100.0%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 53.4%
if -3.4999999999999998e-73 < x < 3.99999999999999988e-28Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 70.2%
*-commutative70.2%
Simplified70.2%
Final simplification60.1%
(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 (* x y))
double code(double x, double y, double z) {
return 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 * y
end function
public static double code(double x, double y, double z) {
return x * y;
}
def code(x, y, z): return x * y
function code(x, y, z) return Float64(x * y) end
function tmp = code(x, y, z) tmp = x * y; end
code[x_, y_, z_] := N[(x * y), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y
\end{array}
Initial program 99.9%
+-commutative99.9%
fma-define100.0%
Applied egg-rr100.0%
Taylor expanded in z around 0 44.7%
(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 2024181
(FPCore (x y z)
:name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, C"
:precision binary64
:alt
(! :herbie-platform default (+ (* (+ x 5) z) (* x y)))
(+ (* x (+ y z)) (* z 5.0)))