
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - 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) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - 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) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
(FPCore (x y z) :precision binary64 (- z (* y (- z x))))
double code(double x, double y, double z) {
return z - (y * (z - x));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z - (y * (z - x))
end function
public static double code(double x, double y, double z) {
return z - (y * (z - x));
}
def code(x, y, z): return z - (y * (z - x))
function code(x, y, z) return Float64(z - Float64(y * Float64(z - x))) end
function tmp = code(x, y, z) tmp = z - (y * (z - x)); end
code[x_, y_, z_] := N[(z - N[(y * N[(z - x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z - y \cdot \left(z - x\right)
\end{array}
Initial program 98.0%
+-commutative98.0%
+-lft-identity98.0%
cancel-sign-sub98.0%
cancel-sign-sub98.0%
+-lft-identity98.0%
distribute-lft-out--98.0%
*-rgt-identity98.0%
associate-+l-98.0%
distribute-rgt-out--100.0%
Simplified100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -4e+273)
t_0
(if (<= y -6.5e+202)
(* y x)
(if (<= y -1.0)
t_0
(if (<= y 1.65e-128) z (if (<= y 2.4e+28) (* y x) t_0)))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -4e+273) {
tmp = t_0;
} else if (y <= -6.5e+202) {
tmp = y * x;
} else if (y <= -1.0) {
tmp = t_0;
} else if (y <= 1.65e-128) {
tmp = z;
} else if (y <= 2.4e+28) {
tmp = y * x;
} else {
tmp = t_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) :: t_0
real(8) :: tmp
t_0 = y * -z
if (y <= (-4d+273)) then
tmp = t_0
else if (y <= (-6.5d+202)) then
tmp = y * x
else if (y <= (-1.0d0)) then
tmp = t_0
else if (y <= 1.65d-128) then
tmp = z
else if (y <= 2.4d+28) then
tmp = y * x
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -4e+273) {
tmp = t_0;
} else if (y <= -6.5e+202) {
tmp = y * x;
} else if (y <= -1.0) {
tmp = t_0;
} else if (y <= 1.65e-128) {
tmp = z;
} else if (y <= 2.4e+28) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -4e+273: tmp = t_0 elif y <= -6.5e+202: tmp = y * x elif y <= -1.0: tmp = t_0 elif y <= 1.65e-128: tmp = z elif y <= 2.4e+28: tmp = y * x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -4e+273) tmp = t_0; elseif (y <= -6.5e+202) tmp = Float64(y * x); elseif (y <= -1.0) tmp = t_0; elseif (y <= 1.65e-128) tmp = z; elseif (y <= 2.4e+28) tmp = Float64(y * x); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (y <= -4e+273) tmp = t_0; elseif (y <= -6.5e+202) tmp = y * x; elseif (y <= -1.0) tmp = t_0; elseif (y <= 1.65e-128) tmp = z; elseif (y <= 2.4e+28) tmp = y * x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[y, -4e+273], t$95$0, If[LessEqual[y, -6.5e+202], N[(y * x), $MachinePrecision], If[LessEqual[y, -1.0], t$95$0, If[LessEqual[y, 1.65e-128], z, If[LessEqual[y, 2.4e+28], N[(y * x), $MachinePrecision], t$95$0]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -4 \cdot 10^{+273}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -6.5 \cdot 10^{+202}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -1:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq 1.65 \cdot 10^{-128}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 2.4 \cdot 10^{+28}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -3.99999999999999978e273 or -6.4999999999999996e202 < y < -1 or 2.39999999999999981e28 < y Initial program 97.6%
Taylor expanded in y around inf 99.7%
mul-1-neg99.7%
sub-neg99.7%
Simplified99.7%
Taylor expanded in x around 0 66.1%
associate-*r*66.1%
neg-mul-166.1%
Simplified66.1%
if -3.99999999999999978e273 < y < -6.4999999999999996e202 or 1.65e-128 < y < 2.39999999999999981e28Initial program 94.6%
Taylor expanded in x around inf 71.6%
*-commutative71.6%
Simplified71.6%
if -1 < y < 1.65e-128Initial program 100.0%
Taylor expanded in y around 0 74.6%
Final simplification70.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -35000.0) (not (<= y 3.4e-10))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -35000.0) || !(y <= 3.4e-10)) {
tmp = y * (x - z);
} else {
tmp = z + (y * 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 ((y <= (-35000.0d0)) .or. (.not. (y <= 3.4d-10))) then
tmp = y * (x - z)
else
tmp = z + (y * x)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -35000.0) || !(y <= 3.4e-10)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -35000.0) or not (y <= 3.4e-10): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -35000.0) || !(y <= 3.4e-10)) tmp = Float64(y * Float64(x - z)); else tmp = Float64(z + Float64(y * x)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -35000.0) || ~((y <= 3.4e-10))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -35000.0], N[Not[LessEqual[y, 3.4e-10]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z + N[(y * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -35000 \lor \neg \left(y \leq 3.4 \cdot 10^{-10}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -35000 or 3.40000000000000015e-10 < y Initial program 96.5%
Taylor expanded in y around inf 99.8%
mul-1-neg99.8%
sub-neg99.8%
Simplified99.8%
if -35000 < y < 3.40000000000000015e-10Initial program 100.0%
+-commutative100.0%
+-lft-identity100.0%
cancel-sign-sub100.0%
cancel-sign-sub100.0%
+-lft-identity100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
associate-+l-100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in z around 0 97.7%
mul-1-neg97.7%
distribute-lft-neg-out97.7%
*-commutative97.7%
Simplified97.7%
Final simplification98.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -12.2) (not (<= y 1.65e-128))) (* y (- x z)) (- z (* z y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -12.2) || !(y <= 1.65e-128)) {
tmp = y * (x - z);
} else {
tmp = z - (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 ((y <= (-12.2d0)) .or. (.not. (y <= 1.65d-128))) then
tmp = y * (x - z)
else
tmp = z - (z * y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -12.2) || !(y <= 1.65e-128)) {
tmp = y * (x - z);
} else {
tmp = z - (z * y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -12.2) or not (y <= 1.65e-128): tmp = y * (x - z) else: tmp = z - (z * y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -12.2) || !(y <= 1.65e-128)) tmp = Float64(y * Float64(x - z)); else tmp = Float64(z - Float64(z * y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -12.2) || ~((y <= 1.65e-128))) tmp = y * (x - z); else tmp = z - (z * y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -12.2], N[Not[LessEqual[y, 1.65e-128]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z - N[(z * y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -12.2 \lor \neg \left(y \leq 1.65 \cdot 10^{-128}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z - z \cdot y\\
\end{array}
\end{array}
if y < -12.199999999999999 or 1.65e-128 < y Initial program 96.9%
Taylor expanded in y around inf 95.7%
mul-1-neg95.7%
sub-neg95.7%
Simplified95.7%
if -12.199999999999999 < y < 1.65e-128Initial program 100.0%
+-commutative100.0%
+-lft-identity100.0%
cancel-sign-sub100.0%
cancel-sign-sub100.0%
+-lft-identity100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
associate-+l-100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in z around inf 77.2%
*-commutative77.2%
Simplified77.2%
Final simplification89.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -242.0) (not (<= y 1.65e-128))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -242.0) || !(y <= 1.65e-128)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - 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 ((y <= (-242.0d0)) .or. (.not. (y <= 1.65d-128))) then
tmp = y * (x - z)
else
tmp = z * (1.0d0 - y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -242.0) || !(y <= 1.65e-128)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -242.0) or not (y <= 1.65e-128): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -242.0) || !(y <= 1.65e-128)) tmp = Float64(y * Float64(x - z)); else tmp = Float64(z * Float64(1.0 - y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -242.0) || ~((y <= 1.65e-128))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -242.0], N[Not[LessEqual[y, 1.65e-128]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -242 \lor \neg \left(y \leq 1.65 \cdot 10^{-128}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -242 or 1.65e-128 < y Initial program 96.9%
Taylor expanded in y around inf 95.7%
mul-1-neg95.7%
sub-neg95.7%
Simplified95.7%
if -242 < y < 1.65e-128Initial program 100.0%
Taylor expanded in x around 0 77.1%
Final simplification89.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.32) (not (<= y 1.65e-128))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.32) || !(y <= 1.65e-128)) {
tmp = y * (x - z);
} else {
tmp = z;
}
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 <= (-0.32d0)) .or. (.not. (y <= 1.65d-128))) then
tmp = y * (x - z)
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -0.32) || !(y <= 1.65e-128)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.32) or not (y <= 1.65e-128): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.32) || !(y <= 1.65e-128)) tmp = Float64(y * Float64(x - z)); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -0.32) || ~((y <= 1.65e-128))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.32], N[Not[LessEqual[y, 1.65e-128]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.32 \lor \neg \left(y \leq 1.65 \cdot 10^{-128}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -0.320000000000000007 or 1.65e-128 < y Initial program 96.9%
Taylor expanded in y around inf 95.7%
mul-1-neg95.7%
sub-neg95.7%
Simplified95.7%
if -0.320000000000000007 < y < 1.65e-128Initial program 100.0%
Taylor expanded in y around 0 74.6%
Final simplification88.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.32) (not (<= y 1.65e-128))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.32) || !(y <= 1.65e-128)) {
tmp = y * x;
} else {
tmp = z;
}
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 <= (-0.32d0)) .or. (.not. (y <= 1.65d-128))) then
tmp = y * x
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -0.32) || !(y <= 1.65e-128)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.32) or not (y <= 1.65e-128): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.32) || !(y <= 1.65e-128)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -0.32) || ~((y <= 1.65e-128))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.32], N[Not[LessEqual[y, 1.65e-128]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.32 \lor \neg \left(y \leq 1.65 \cdot 10^{-128}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -0.320000000000000007 or 1.65e-128 < y Initial program 96.9%
Taylor expanded in x around inf 46.9%
*-commutative46.9%
Simplified46.9%
if -0.320000000000000007 < y < 1.65e-128Initial program 100.0%
Taylor expanded in y around 0 74.6%
Final simplification57.0%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
Initial program 98.0%
Taylor expanded in y around 0 31.4%
(FPCore (x y z) :precision binary64 (- z (* (- z x) y)))
double code(double x, double y, double z) {
return z - ((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 = z - ((z - x) * y)
end function
public static double code(double x, double y, double z) {
return z - ((z - x) * y);
}
def code(x, y, z): return z - ((z - x) * y)
function code(x, y, z) return Float64(z - Float64(Float64(z - x) * y)) end
function tmp = code(x, y, z) tmp = z - ((z - x) * y); end
code[x_, y_, z_] := N[(z - N[(N[(z - x), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z - \left(z - x\right) \cdot y
\end{array}
herbie shell --seed 2024091
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(- z (* (- z x) y))
(+ (* x y) (* z (- 1.0 y))))