
(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 -1.45e-91)
(* x y)
(if (<= x 6e-179)
(* z 5.0)
(if (<= x 7e-124)
(* x y)
(if (<= x 1.05e-43)
(* z 5.0)
(if (or (<= x 1.05e+33) (not (<= x 1.65e+220))) (* x y) (* z x)))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.45e-91) {
tmp = x * y;
} else if (x <= 6e-179) {
tmp = z * 5.0;
} else if (x <= 7e-124) {
tmp = x * y;
} else if (x <= 1.05e-43) {
tmp = z * 5.0;
} else if ((x <= 1.05e+33) || !(x <= 1.65e+220)) {
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 <= (-1.45d-91)) then
tmp = x * y
else if (x <= 6d-179) then
tmp = z * 5.0d0
else if (x <= 7d-124) then
tmp = x * y
else if (x <= 1.05d-43) then
tmp = z * 5.0d0
else if ((x <= 1.05d+33) .or. (.not. (x <= 1.65d+220))) 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 <= -1.45e-91) {
tmp = x * y;
} else if (x <= 6e-179) {
tmp = z * 5.0;
} else if (x <= 7e-124) {
tmp = x * y;
} else if (x <= 1.05e-43) {
tmp = z * 5.0;
} else if ((x <= 1.05e+33) || !(x <= 1.65e+220)) {
tmp = x * y;
} else {
tmp = z * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.45e-91: tmp = x * y elif x <= 6e-179: tmp = z * 5.0 elif x <= 7e-124: tmp = x * y elif x <= 1.05e-43: tmp = z * 5.0 elif (x <= 1.05e+33) or not (x <= 1.65e+220): tmp = x * y else: tmp = z * x return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.45e-91) tmp = Float64(x * y); elseif (x <= 6e-179) tmp = Float64(z * 5.0); elseif (x <= 7e-124) tmp = Float64(x * y); elseif (x <= 1.05e-43) tmp = Float64(z * 5.0); elseif ((x <= 1.05e+33) || !(x <= 1.65e+220)) 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 <= -1.45e-91) tmp = x * y; elseif (x <= 6e-179) tmp = z * 5.0; elseif (x <= 7e-124) tmp = x * y; elseif (x <= 1.05e-43) tmp = z * 5.0; elseif ((x <= 1.05e+33) || ~((x <= 1.65e+220))) tmp = x * y; else tmp = z * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.45e-91], N[(x * y), $MachinePrecision], If[LessEqual[x, 6e-179], N[(z * 5.0), $MachinePrecision], If[LessEqual[x, 7e-124], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.05e-43], N[(z * 5.0), $MachinePrecision], If[Or[LessEqual[x, 1.05e+33], N[Not[LessEqual[x, 1.65e+220]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * x), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.45 \cdot 10^{-91}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 6 \cdot 10^{-179}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 7 \cdot 10^{-124}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.05 \cdot 10^{-43}:\\
\;\;\;\;z \cdot 5\\
\mathbf{elif}\;x \leq 1.05 \cdot 10^{+33} \lor \neg \left(x \leq 1.65 \cdot 10^{+220}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot x\\
\end{array}
\end{array}
if x < -1.45e-91 or 6.00000000000000012e-179 < x < 6.9999999999999997e-124 or 1.05e-43 < x < 1.05e33 or 1.65000000000000011e220 < x Initial program 100.0%
Taylor expanded in y around inf 61.9%
if -1.45e-91 < x < 6.00000000000000012e-179 or 6.9999999999999997e-124 < x < 1.05e-43Initial program 99.8%
Taylor expanded in x around 0 79.5%
if 1.05e33 < x < 1.65000000000000011e220Initial program 99.9%
Taylor expanded in x around inf 99.9%
+-commutative99.9%
Simplified99.9%
Taylor expanded in z around inf 62.0%
Final simplification67.8%
(FPCore (x y z)
:precision binary64
(if (or (<= x -1.16e-85)
(not (or (<= x 6e-179) (and (not (<= x 8.5e-124)) (<= x 1.35e-47)))))
(* x (+ z y))
(* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.16e-85) || !((x <= 6e-179) || (!(x <= 8.5e-124) && (x <= 1.35e-47)))) {
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 <= (-1.16d-85)) .or. (.not. (x <= 6d-179) .or. (.not. (x <= 8.5d-124)) .and. (x <= 1.35d-47))) 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 <= -1.16e-85) || !((x <= 6e-179) || (!(x <= 8.5e-124) && (x <= 1.35e-47)))) {
tmp = x * (z + y);
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.16e-85) or not ((x <= 6e-179) or (not (x <= 8.5e-124) and (x <= 1.35e-47))): tmp = x * (z + y) else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.16e-85) || !((x <= 6e-179) || (!(x <= 8.5e-124) && (x <= 1.35e-47)))) 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 <= -1.16e-85) || ~(((x <= 6e-179) || (~((x <= 8.5e-124)) && (x <= 1.35e-47))))) tmp = x * (z + y); else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.16e-85], N[Not[Or[LessEqual[x, 6e-179], And[N[Not[LessEqual[x, 8.5e-124]], $MachinePrecision], LessEqual[x, 1.35e-47]]]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.16 \cdot 10^{-85} \lor \neg \left(x \leq 6 \cdot 10^{-179} \lor \neg \left(x \leq 8.5 \cdot 10^{-124}\right) \land x \leq 1.35 \cdot 10^{-47}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.16e-85 or 6.00000000000000012e-179 < x < 8.5000000000000002e-124 or 1.3499999999999999e-47 < x Initial program 100.0%
Taylor expanded in x around inf 91.0%
+-commutative91.0%
Simplified91.0%
if -1.16e-85 < x < 6.00000000000000012e-179 or 8.5000000000000002e-124 < x < 1.3499999999999999e-47Initial program 99.8%
Taylor expanded in x around 0 78.8%
Final simplification86.8%
(FPCore (x y z)
:precision binary64
(if (or (<= x -2.5e-86)
(and (not (<= x 6e-179)) (or (<= x 8e-124) (not (<= x 2.65e-52)))))
(* x (+ z y))
(* z (+ 5.0 x))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.5e-86) || (!(x <= 6e-179) && ((x <= 8e-124) || !(x <= 2.65e-52)))) {
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 <= (-2.5d-86)) .or. (.not. (x <= 6d-179)) .and. (x <= 8d-124) .or. (.not. (x <= 2.65d-52))) 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 <= -2.5e-86) || (!(x <= 6e-179) && ((x <= 8e-124) || !(x <= 2.65e-52)))) {
tmp = x * (z + y);
} else {
tmp = z * (5.0 + x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.5e-86) or (not (x <= 6e-179) and ((x <= 8e-124) or not (x <= 2.65e-52))): tmp = x * (z + y) else: tmp = z * (5.0 + x) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.5e-86) || (!(x <= 6e-179) && ((x <= 8e-124) || !(x <= 2.65e-52)))) 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 <= -2.5e-86) || (~((x <= 6e-179)) && ((x <= 8e-124) || ~((x <= 2.65e-52))))) tmp = x * (z + y); else tmp = z * (5.0 + x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.5e-86], And[N[Not[LessEqual[x, 6e-179]], $MachinePrecision], Or[LessEqual[x, 8e-124], N[Not[LessEqual[x, 2.65e-52]], $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 -2.5 \cdot 10^{-86} \lor \neg \left(x \leq 6 \cdot 10^{-179}\right) \land \left(x \leq 8 \cdot 10^{-124} \lor \neg \left(x \leq 2.65 \cdot 10^{-52}\right)\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(5 + x\right)\\
\end{array}
\end{array}
if x < -2.4999999999999999e-86 or 6.00000000000000012e-179 < x < 7.99999999999999947e-124 or 2.6500000000000002e-52 < x Initial program 100.0%
Taylor expanded in x around inf 91.0%
+-commutative91.0%
Simplified91.0%
if -2.4999999999999999e-86 < x < 6.00000000000000012e-179 or 7.99999999999999947e-124 < x < 2.6500000000000002e-52Initial program 99.8%
Taylor expanded in y around 0 78.8%
distribute-rgt-in78.8%
Simplified78.8%
Final simplification86.8%
(FPCore (x y z)
:precision binary64
(if (or (<= x -1.4e-90)
(not (or (<= x 6e-179) (and (not (<= x 3.4e-123)) (<= x 3.9e-49)))))
(* x y)
(* z 5.0)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.4e-90) || !((x <= 6e-179) || (!(x <= 3.4e-123) && (x <= 3.9e-49)))) {
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 <= (-1.4d-90)) .or. (.not. (x <= 6d-179) .or. (.not. (x <= 3.4d-123)) .and. (x <= 3.9d-49))) 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 <= -1.4e-90) || !((x <= 6e-179) || (!(x <= 3.4e-123) && (x <= 3.9e-49)))) {
tmp = x * y;
} else {
tmp = z * 5.0;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.4e-90) or not ((x <= 6e-179) or (not (x <= 3.4e-123) and (x <= 3.9e-49))): tmp = x * y else: tmp = z * 5.0 return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.4e-90) || !((x <= 6e-179) || (!(x <= 3.4e-123) && (x <= 3.9e-49)))) 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 <= -1.4e-90) || ~(((x <= 6e-179) || (~((x <= 3.4e-123)) && (x <= 3.9e-49))))) tmp = x * y; else tmp = z * 5.0; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.4e-90], N[Not[Or[LessEqual[x, 6e-179], And[N[Not[LessEqual[x, 3.4e-123]], $MachinePrecision], LessEqual[x, 3.9e-49]]]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(z * 5.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.4 \cdot 10^{-90} \lor \neg \left(x \leq 6 \cdot 10^{-179} \lor \neg \left(x \leq 3.4 \cdot 10^{-123}\right) \land x \leq 3.9 \cdot 10^{-49}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;z \cdot 5\\
\end{array}
\end{array}
if x < -1.3999999999999999e-90 or 6.00000000000000012e-179 < x < 3.4000000000000001e-123 or 3.90000000000000011e-49 < x Initial program 100.0%
Taylor expanded in y around inf 58.1%
if -1.3999999999999999e-90 < x < 6.00000000000000012e-179 or 3.4000000000000001e-123 < x < 3.90000000000000011e-49Initial program 99.8%
Taylor expanded in x around 0 79.5%
Final simplification65.3%
(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 98.4%
+-commutative98.4%
Simplified98.4%
if -5 < x < 5Initial program 99.8%
distribute-rgt-in99.8%
associate-+l+99.8%
*-commutative99.8%
fma-define99.8%
distribute-lft-out99.8%
Simplified99.8%
*-commutative99.8%
flip-+99.8%
associate-*l/99.7%
fma-neg99.7%
metadata-eval99.7%
metadata-eval99.7%
sub-neg99.7%
metadata-eval99.7%
Applied egg-rr99.7%
Taylor expanded in x around 0 98.5%
*-commutative98.5%
Simplified98.5%
fma-undefine98.5%
*-commutative98.5%
associate-/l*98.5%
Applied egg-rr98.5%
Taylor expanded in x around 0 98.0%
*-commutative98.0%
Simplified98.0%
Final simplification98.2%
(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 33.1%
Final simplification33.1%
(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 2024039
(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)))