
(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 10 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 (+ 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-define99.9%
Simplified99.9%
Final simplification99.9%
(FPCore (x y z)
:precision binary64
(if (<= x -6e+96)
(* z x)
(if (<= x -2e-8)
(* x y)
(if (<= x 9.5e-16) (* z 5.0) (if (<= x 4.4e+97) (* x y) (* z x))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -6e+96) {
tmp = z * x;
} else if (x <= -2e-8) {
tmp = x * y;
} else if (x <= 9.5e-16) {
tmp = z * 5.0;
} else if (x <= 4.4e+97) {
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 <= (-6d+96)) then
tmp = z * x
else if (x <= (-2d-8)) then
tmp = x * y
else if (x <= 9.5d-16) then
tmp = z * 5.0d0
else if (x <= 4.4d+97) 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 <= -6e+96) {
tmp = z * x;
} else if (x <= -2e-8) {
tmp = x * y;
} else if (x <= 9.5e-16) {
tmp = z * 5.0;
} else if (x <= 4.4e+97) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -6e+96: tmp = z * x elif x <= -2e-8: tmp = x * y elif x <= 9.5e-16: tmp = z * 5.0 elif x <= 4.4e+97: tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -6e+96) tmp = Float64(z * x); elseif (x <= -2e-8) tmp = Float64(x * y); elseif (x <= 9.5e-16) tmp = Float64(z * 5.0); elseif (x <= 4.4e+97) 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 <= -6e+96) tmp = z * x; elseif (x <= -2e-8) tmp = x * y; elseif (x <= 9.5e-16) tmp = z * 5.0; elseif (x <= 4.4e+97) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -6e+96], N[(z * x), $MachinePrecision], If[LessEqual[x, -2e-8], N[(x * y), $MachinePrecision], If[LessEqual[x, 9.5e-16], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 4.4e+97], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6 \cdot 10^{+96}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -2 \cdot 10^{-8}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 9.5 \cdot 10^{-16}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 4.4 \cdot 10^{+97}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -6.0000000000000001e96 or 4.4000000000000002e97 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 62.5%
if -6.0000000000000001e96 < x < -2e-8 or 9.5000000000000005e-16 < x < 4.4000000000000002e97Initial program 99.9%
Taylor expanded in y around inf 62.9%
if -2e-8 < x < 9.5000000000000005e-16Initial program 99.9%
Taylor expanded in x around 0 70.4%
Final simplification66.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -5e+153) (not (<= x 7800000.0))) (* x (+ z y)) (+ (* x y) (* z (+ 5.0 x)))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5e+153) || !(x <= 7800000.0)) {
tmp = x * (z + y);
} else {
tmp = (x * y) + (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 <= (-5d+153)) .or. (.not. (x <= 7800000.0d0))) then
tmp = x * (z + y)
else
tmp = (x * y) + (z * (5.0d0 + x))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -5e+153) || !(x <= 7800000.0)) {
tmp = x * (z + y);
} else {
tmp = (x * y) + (z * (5.0 + x));
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5e+153) or not (x <= 7800000.0): tmp = x * (z + y) else: tmp = (x * y) + (z * (5.0 + x)) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5e+153) || !(x <= 7800000.0)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(Float64(x * y) + Float64(z * Float64(5.0 + x))); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -5e+153) || ~((x <= 7800000.0))) tmp = x * (z + y); else tmp = (x * y) + (z * (5.0 + x)); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5e+153], N[Not[LessEqual[x, 7800000.0]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] + N[(z * N[(5.0 + x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5 \cdot 10^{+153} \lor \neg \left(x \leq 7800000\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y + z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -5.00000000000000018e153 or 7.8e6 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
if -5.00000000000000018e153 < x < 7.8e6Initial program 99.9%
Taylor expanded in z around 0 99.9%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.0) (not (<= x 5.0))) (* x (+ z y)) (+ (* x y) (* z 5.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.0) || !(x <= 5.0)) {
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 <= (-5.0d0)) .or. (.not. (x <= 5.0d0))) 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 <= -5.0) || !(x <= 5.0)) {
tmp = x * (z + y);
} else {
tmp = (x * y) + (z * 5.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.0) or not (x <= 5.0): tmp = x * (z + y) else: tmp = (x * y) + (z * 5.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.0) || !(x <= 5.0)) 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 <= -5.0) || ~((x <= 5.0))) tmp = x * (z + y); else tmp = (x * y) + (z * 5.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.0], N[Not[LessEqual[x, 5.0]], $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 \lor \neg \left(x \leq 5\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y + z \cdot 5\\
\end{array}
\end{array}
if x < -5 or 5 < x Initial program 100.0%
Taylor expanded in x around inf 99.5%
+-commutative99.5%
Simplified99.5%
if -5 < x < 5Initial program 99.9%
Taylor expanded in y around inf 78.9%
associate-/l*78.4%
distribute-rgt-out79.2%
associate-*l/79.4%
associate-/l*79.2%
Simplified79.2%
Taylor expanded in x around 0 78.4%
associate-*r/78.5%
*-commutative78.5%
associate-*r/78.4%
Simplified78.4%
Taylor expanded in y around 0 99.1%
Final simplification99.3%
(FPCore (x y z) :precision binary64 (if (or (<= x -4.4e-5) (not (<= x 340000.0))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.4e-5) || !(x <= 340000.0)) {
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 <= (-4.4d-5)) .or. (.not. (x <= 340000.0d0))) 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 <= -4.4e-5) || !(x <= 340000.0)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.4e-5) or not (x <= 340000.0): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.4e-5) || !(x <= 340000.0)) 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 <= -4.4e-5) || ~((x <= 340000.0))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.4e-5], N[Not[LessEqual[x, 340000.0]], $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 -4.4 \cdot 10^{-5} \lor \neg \left(x \leq 340000\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -4.3999999999999999e-5 or 3.4e5 < x Initial program 100.0%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
if -4.3999999999999999e-5 < x < 3.4e5Initial program 99.9%
Taylor expanded in y around 0 70.2%
distribute-rgt-in70.3%
Simplified70.3%
Final simplification85.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.5e-8) (not (<= x 3.2e-16))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.5e-8) || !(x <= 3.2e-16)) {
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 <= (-3.5d-8)) .or. (.not. (x <= 3.2d-16))) 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 <= -3.5e-8) || !(x <= 3.2e-16)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.5e-8) or not (x <= 3.2e-16): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.5e-8) || !(x <= 3.2e-16)) 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 <= -3.5e-8) || ~((x <= 3.2e-16))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.5e-8], N[Not[LessEqual[x, 3.2e-16]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -3.5 \cdot 10^{-8} \lor \neg \left(x \leq 3.2 \cdot 10^{-16}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -3.50000000000000024e-8 or 3.20000000000000023e-16 < x Initial program 100.0%
Taylor expanded in x around inf 98.2%
+-commutative98.2%
Simplified98.2%
if -3.50000000000000024e-8 < x < 3.20000000000000023e-16Initial program 99.9%
Taylor expanded in x around 0 70.4%
Final simplification84.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.35e+23) (not (<= y 2.3e+30))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.35e+23) || !(y <= 2.3e+30)) {
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 ((y <= (-1.35d+23)) .or. (.not. (y <= 2.3d+30))) 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 ((y <= -1.35e+23) || !(y <= 2.3e+30)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.35e+23) or not (y <= 2.3e+30): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.35e+23) || !(y <= 2.3e+30)) 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 ((y <= -1.35e+23) || ~((y <= 2.3e+30))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.35e+23], N[Not[LessEqual[y, 2.3e+30]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.35 \cdot 10^{+23} \lor \neg \left(y \leq 2.3 \cdot 10^{+30}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if y < -1.3499999999999999e23 or 2.3e30 < y Initial program 100.0%
Taylor expanded in y around inf 67.8%
if -1.3499999999999999e23 < y < 2.3e30Initial program 99.9%
Taylor expanded in x around 0 51.2%
Final simplification59.4%
(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 35.7%
Final simplification35.7%
(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 2024096
(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)))