
(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 -7.5e+190)
(* z x)
(if (<= x -2.2e+128)
(* x y)
(if (<= x -5.4e+57)
(* z x)
(if (<= x -5.8e-14)
(* x y)
(if (<= x 8e-99)
(* z 5.0)
(if (or (<= x 1.25e+20) (and (not (<= x 2.2e+87)) (<= x 4.8e+141)))
(* x y)
(* z x))))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.5e+190) {
tmp = z * x;
} else if (x <= -2.2e+128) {
tmp = x * y;
} else if (x <= -5.4e+57) {
tmp = z * x;
} else if (x <= -5.8e-14) {
tmp = x * y;
} else if (x <= 8e-99) {
tmp = z * 5.0;
} else if ((x <= 1.25e+20) || (!(x <= 2.2e+87) && (x <= 4.8e+141))) {
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 <= (-7.5d+190)) then
tmp = z * x
else if (x <= (-2.2d+128)) then
tmp = x * y
else if (x <= (-5.4d+57)) then
tmp = z * x
else if (x <= (-5.8d-14)) then
tmp = x * y
else if (x <= 8d-99) then
tmp = z * 5.0d0
else if ((x <= 1.25d+20) .or. (.not. (x <= 2.2d+87)) .and. (x <= 4.8d+141)) 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 <= -7.5e+190) {
tmp = z * x;
} else if (x <= -2.2e+128) {
tmp = x * y;
} else if (x <= -5.4e+57) {
tmp = z * x;
} else if (x <= -5.8e-14) {
tmp = x * y;
} else if (x <= 8e-99) {
tmp = z * 5.0;
} else if ((x <= 1.25e+20) || (!(x <= 2.2e+87) && (x <= 4.8e+141))) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -7.5e+190: tmp = z * x elif x <= -2.2e+128: tmp = x * y elif x <= -5.4e+57: tmp = z * x elif x <= -5.8e-14: tmp = x * y elif x <= 8e-99: tmp = z * 5.0 elif (x <= 1.25e+20) or (not (x <= 2.2e+87) and (x <= 4.8e+141)): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -7.5e+190) tmp = Float64(z * x); elseif (x <= -2.2e+128) tmp = Float64(x * y); elseif (x <= -5.4e+57) tmp = Float64(z * x); elseif (x <= -5.8e-14) tmp = Float64(x * y); elseif (x <= 8e-99) tmp = Float64(z * 5.0); elseif ((x <= 1.25e+20) || (!(x <= 2.2e+87) && (x <= 4.8e+141))) 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 <= -7.5e+190) tmp = z * x; elseif (x <= -2.2e+128) tmp = x * y; elseif (x <= -5.4e+57) tmp = z * x; elseif (x <= -5.8e-14) tmp = x * y; elseif (x <= 8e-99) tmp = z * 5.0; elseif ((x <= 1.25e+20) || (~((x <= 2.2e+87)) && (x <= 4.8e+141))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -7.5e+190], N[(z * x), $MachinePrecision], If[LessEqual[x, -2.2e+128], N[(x * y), $MachinePrecision], If[LessEqual[x, -5.4e+57], N[(z * x), $MachinePrecision], If[LessEqual[x, -5.8e-14], N[(x * y), $MachinePrecision], If[LessEqual[x, 8e-99], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 1.25e+20], And[N[Not[LessEqual[x, 2.2e+87]], $MachinePrecision], LessEqual[x, 4.8e+141]]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.5 \cdot 10^{+190}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -2.2 \cdot 10^{+128}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -5.4 \cdot 10^{+57}:\\
\;\;\;\;z \cdot x\\
\mathbf{elif}\;x \leq -5.8 \cdot 10^{-14}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 8 \cdot 10^{-99}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 1.25 \cdot 10^{+20} \lor \neg \left(x \leq 2.2 \cdot 10^{+87}\right) \land x \leq 4.8 \cdot 10^{+141}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -7.4999999999999994e190 or -2.20000000000000017e128 < x < -5.3999999999999997e57 or 1.25e20 < x < 2.2000000000000001e87 or 4.79999999999999995e141 < x Initial program 99.9%
Taylor expanded in x around inf 99.9%
+-commutative99.9%
Simplified99.9%
Taylor expanded in z around inf 73.3%
if -7.4999999999999994e190 < x < -2.20000000000000017e128 or -5.3999999999999997e57 < x < -5.8000000000000005e-14 or 8.0000000000000002e-99 < x < 1.25e20 or 2.2000000000000001e87 < x < 4.79999999999999995e141Initial program 100.0%
Taylor expanded in y around inf 78.4%
if -5.8000000000000005e-14 < x < 8.0000000000000002e-99Initial program 99.8%
Taylor expanded in x around 0 78.5%
Final simplification76.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -3.5e-14) (not (<= x 6.5e-97))) (* x (+ z y)) (+ (* z 5.0) (* z x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -3.5e-14) || !(x <= 6.5e-97)) {
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 <= (-3.5d-14)) .or. (.not. (x <= 6.5d-97))) 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 <= -3.5e-14) || !(x <= 6.5e-97)) {
tmp = x * (z + y);
} else {
tmp = (z * 5.0) + (z * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -3.5e-14) or not (x <= 6.5e-97): tmp = x * (z + y) else: tmp = (z * 5.0) + (z * x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -3.5e-14) || !(x <= 6.5e-97)) 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 <= -3.5e-14) || ~((x <= 6.5e-97))) tmp = x * (z + y); else tmp = (z * 5.0) + (z * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -3.5e-14], N[Not[LessEqual[x, 6.5e-97]], $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 -3.5 \cdot 10^{-14} \lor \neg \left(x \leq 6.5 \cdot 10^{-97}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5 + z \cdot x\\
\end{array}
\end{array}
if x < -3.5000000000000002e-14 or 6.5000000000000004e-97 < x Initial program 100.0%
Taylor expanded in x around inf 95.4%
+-commutative95.4%
Simplified95.4%
if -3.5000000000000002e-14 < x < 6.5000000000000004e-97Initial program 99.8%
Taylor expanded in y around 0 78.6%
*-commutative78.6%
Simplified78.6%
Final simplification87.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -6e-14) (not (<= x 8e-99))) (* x (+ z y)) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -6e-14) || !(x <= 8e-99)) {
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 <= (-6d-14)) .or. (.not. (x <= 8d-99))) 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 <= -6e-14) || !(x <= 8e-99)) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -6e-14) or not (x <= 8e-99): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -6e-14) || !(x <= 8e-99)) 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 <= -6e-14) || ~((x <= 8e-99))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -6e-14], N[Not[LessEqual[x, 8e-99]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -6 \cdot 10^{-14} \lor \neg \left(x \leq 8 \cdot 10^{-99}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -5.9999999999999997e-14 or 8.0000000000000002e-99 < x Initial program 100.0%
Taylor expanded in x around inf 95.4%
+-commutative95.4%
Simplified95.4%
if -5.9999999999999997e-14 < x < 8.0000000000000002e-99Initial program 99.8%
Taylor expanded in x around 0 78.5%
Final simplification87.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -5e-14) (not (<= x 1.45e-95))) (* x (+ z y)) (* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5e-14) || !(x <= 1.45e-95)) {
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 <= (-5d-14)) .or. (.not. (x <= 1.45d-95))) 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 <= -5e-14) || !(x <= 1.45e-95)) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5e-14) or not (x <= 1.45e-95): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5e-14) || !(x <= 1.45e-95)) 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 <= -5e-14) || ~((x <= 1.45e-95))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5e-14], N[Not[LessEqual[x, 1.45e-95]], $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 -5 \cdot 10^{-14} \lor \neg \left(x \leq 1.45 \cdot 10^{-95}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -5.0000000000000002e-14 or 1.45000000000000001e-95 < x Initial program 100.0%
Taylor expanded in x around inf 95.4%
+-commutative95.4%
Simplified95.4%
if -5.0000000000000002e-14 < x < 1.45000000000000001e-95Initial program 99.8%
Taylor expanded in y around 0 78.6%
distribute-rgt-in78.6%
Simplified78.6%
Final simplification87.7%
(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 (if (or (<= x -4.8e-14) (not (<= x 4e-90))) (* x y) (* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -4.8e-14) || !(x <= 4e-90)) {
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 <= (-4.8d-14)) .or. (.not. (x <= 4d-90))) 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 <= -4.8e-14) || !(x <= 4e-90)) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -4.8e-14) or not (x <= 4e-90): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -4.8e-14) || !(x <= 4e-90)) 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 <= -4.8e-14) || ~((x <= 4e-90))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -4.8e-14], N[Not[LessEqual[x, 4e-90]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.8 \cdot 10^{-14} \lor \neg \left(x \leq 4 \cdot 10^{-90}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -4.8e-14 or 3.99999999999999998e-90 < x Initial program 100.0%
Taylor expanded in y around inf 51.9%
if -4.8e-14 < x < 3.99999999999999998e-90Initial program 99.8%
Taylor expanded in x around 0 78.5%
Final simplification64.0%
(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 39.9%
Final simplification39.9%
(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 2023322
(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)))