
(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%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -1e+73)
(* z x)
(if (<= x -0.0066)
(* x y)
(if (<= x 1.14e-138)
(* z 5.0)
(if (<= x 2.1e+63)
(* x y)
(if (or (<= x 8.6e+97)
(and (not (<= x 1.16e+113))
(or (<= x 1.7e+170)
(and (not (<= x 4.2e+235)) (<= x 2.5e+258)))))
(* z x)
(* x y)))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1e+73) {
tmp = z * x;
} else if (x <= -0.0066) {
tmp = x * y;
} else if (x <= 1.14e-138) {
tmp = z * 5.0;
} else if (x <= 2.1e+63) {
tmp = x * y;
} else if ((x <= 8.6e+97) || (!(x <= 1.16e+113) && ((x <= 1.7e+170) || (!(x <= 4.2e+235) && (x <= 2.5e+258))))) {
tmp = z * 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 (x <= (-1d+73)) then
tmp = z * x
else if (x <= (-0.0066d0)) then
tmp = x * y
else if (x <= 1.14d-138) then
tmp = z * 5.0d0
else if (x <= 2.1d+63) then
tmp = x * y
else if ((x <= 8.6d+97) .or. (.not. (x <= 1.16d+113)) .and. (x <= 1.7d+170) .or. (.not. (x <= 4.2d+235)) .and. (x <= 2.5d+258)) then
tmp = z * x
else
tmp = x * y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -1e+73) {
tmp = z * x;
} else if (x <= -0.0066) {
tmp = x * y;
} else if (x <= 1.14e-138) {
tmp = z * 5.0;
} else if (x <= 2.1e+63) {
tmp = x * y;
} else if ((x <= 8.6e+97) || (!(x <= 1.16e+113) && ((x <= 1.7e+170) || (!(x <= 4.2e+235) && (x <= 2.5e+258))))) {
tmp = z * x;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1e+73: tmp = z * x elif x <= -0.0066: tmp = x * y elif x <= 1.14e-138: tmp = z * 5.0 elif x <= 2.1e+63: tmp = x * y elif (x <= 8.6e+97) or (not (x <= 1.16e+113) and ((x <= 1.7e+170) or (not (x <= 4.2e+235) and (x <= 2.5e+258)))): tmp = z * x else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1e+73) tmp = Float64(z * x); elseif (x <= -0.0066) tmp = Float64(x * y); elseif (x <= 1.14e-138) tmp = Float64(z * 5.0); elseif (x <= 2.1e+63) tmp = Float64(x * y); elseif ((x <= 8.6e+97) || (!(x <= 1.16e+113) && ((x <= 1.7e+170) || (!(x <= 4.2e+235) && (x <= 2.5e+258))))) tmp = Float64(z * x); else tmp = Float64(x * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1e+73) tmp = z * x; elseif (x <= -0.0066) tmp = x * y; elseif (x <= 1.14e-138) tmp = z * 5.0; elseif (x <= 2.1e+63) tmp = x * y; elseif ((x <= 8.6e+97) || (~((x <= 1.16e+113)) && ((x <= 1.7e+170) || (~((x <= 4.2e+235)) && (x <= 2.5e+258))))) tmp = z * x; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1e+73], N[(z * x), $MachinePrecision], If[LessEqual[x, -0.0066], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.14e-138], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 2.1e+63], N[(x * y), $MachinePrecision], If[Or[LessEqual[x, 8.6e+97], And[N[Not[LessEqual[x, 1.16e+113]], $MachinePrecision], Or[LessEqual[x, 1.7e+170], And[N[Not[LessEqual[x, 4.2e+235]], $MachinePrecision], LessEqual[x, 2.5e+258]]]]], N[(z * x), $MachinePrecision], N[(x * y), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1 \cdot 10^{+73}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -0.0066:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.14 \cdot 10^{-138}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 2.1 \cdot 10^{+63}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 8.6 \cdot 10^{+97} \lor \neg \left(x \leq 1.16 \cdot 10^{+113}\right) \land \left(x \leq 1.7 \cdot 10^{+170} \lor \neg \left(x \leq 4.2 \cdot 10^{+235}\right) \land x \leq 2.5 \cdot 10^{+258}\right):\\
\;\;\;\;z \cdot x\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -9.99999999999999983e72 or 2.1000000000000002e63 < x < 8.5999999999999996e97 or 1.1600000000000001e113 < x < 1.7000000000000001e170 or 4.2000000000000001e235 < x < 2.5e258Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
/-rgt-identity100.0%
associate-/r/99.8%
+-commutative99.8%
Applied egg-rr99.8%
Taylor expanded in y around 0 71.8%
if -9.99999999999999983e72 < x < -0.0066 or 1.1399999999999999e-138 < x < 2.1000000000000002e63 or 8.5999999999999996e97 < x < 1.1600000000000001e113 or 1.7000000000000001e170 < x < 4.2000000000000001e235 or 2.5e258 < x Initial program 99.9%
Taylor expanded in y around inf 69.0%
if -0.0066 < x < 1.1399999999999999e-138Initial program 99.8%
Taylor expanded in x around 0 77.8%
Final simplification72.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -14.0) (not (<= x 5.0))) (* x (+ z y)) (+ (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -14.0) || !(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 <= (-14.0d0)) .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 <= -14.0) || !(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 <= -14.0) 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 <= -14.0) || !(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 <= -14.0) || ~((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, -14.0], 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 -14 \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 < -14 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.1%
+-commutative99.1%
Simplified99.1%
if -14 < x < 5Initial program 99.8%
flip-+55.9%
clear-num55.8%
un-div-inv55.8%
clear-num55.8%
flip-+99.6%
Applied egg-rr99.6%
Taylor expanded in y around inf 98.2%
Final simplification98.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.0066) (not (<= x 5e-138))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.0066) || !(x <= 5e-138)) {
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 <= (-0.0066d0)) .or. (.not. (x <= 5d-138))) 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 <= -0.0066) || !(x <= 5e-138)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.0066) or not (x <= 5e-138): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.0066) || !(x <= 5e-138)) 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 <= -0.0066) || ~((x <= 5e-138))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.0066], N[Not[LessEqual[x, 5e-138]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.0066 \lor \neg \left(x \leq 5 \cdot 10^{-138}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -0.0066 or 4.99999999999999989e-138 < x Initial program 100.0%
Taylor expanded in x around inf 93.4%
+-commutative93.4%
Simplified93.4%
if -0.0066 < x < 4.99999999999999989e-138Initial program 99.8%
Taylor expanded in x around 0 77.8%
Final simplification88.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -0.0165) (not (<= x 4.4e-138))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -0.0165) || !(x <= 4.4e-138)) {
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 <= (-0.0165d0)) .or. (.not. (x <= 4.4d-138))) 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 <= -0.0165) || !(x <= 4.4e-138)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -0.0165) or not (x <= 4.4e-138): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -0.0165) || !(x <= 4.4e-138)) 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 <= -0.0165) || ~((x <= 4.4e-138))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -0.0165], N[Not[LessEqual[x, 4.4e-138]], $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 -0.0165 \lor \neg \left(x \leq 4.4 \cdot 10^{-138}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -0.016500000000000001 or 4.3999999999999998e-138 < x Initial program 100.0%
Taylor expanded in x around inf 93.4%
+-commutative93.4%
Simplified93.4%
if -0.016500000000000001 < x < 4.3999999999999998e-138Initial program 99.8%
Taylor expanded in y around 0 79.7%
distribute-rgt-in79.7%
Simplified79.7%
Final simplification88.8%
(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 -0.0066) (* x y) (if (<= x 5.1e-138) (* z 5.0) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= -0.0066) {
tmp = x * y;
} else if (x <= 5.1e-138) {
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 <= (-0.0066d0)) then
tmp = x * y
else if (x <= 5.1d-138) 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 <= -0.0066) {
tmp = x * y;
} else if (x <= 5.1e-138) {
tmp = z * 5.0;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -0.0066: tmp = x * y elif x <= 5.1e-138: tmp = z * 5.0 else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -0.0066) tmp = Float64(x * y); elseif (x <= 5.1e-138) 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 <= -0.0066) tmp = x * y; elseif (x <= 5.1e-138) tmp = z * 5.0; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -0.0066], N[(x * y), $MachinePrecision], If[LessEqual[x, 5.1e-138], N[(z * 5.0), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.0066:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 5.1 \cdot 10^{-138}:\\
\;\;\;\;z \cdot 5\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -0.0066 or 5.1000000000000002e-138 < x Initial program 100.0%
Taylor expanded in y around inf 54.4%
if -0.0066 < x < 5.1000000000000002e-138Initial program 99.8%
Taylor expanded in x around 0 77.8%
Final simplification62.4%
(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 32.1%
Final simplification32.1%
(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 2023297
(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)))