
(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 7 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 (fma y (- x z) z))
double code(double x, double y, double z) {
return fma(y, (x - z), z);
}
function code(x, y, z) return fma(y, Float64(x - z), z) end
code[x_, y_, z_] := N[(y * N[(x - z), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, x - z, z\right)
\end{array}
Initial program 97.6%
distribute-lft-out--97.6%
*-rgt-identity97.6%
cancel-sign-sub-inv97.6%
+-commutative97.6%
associate-+r+97.6%
distribute-rgt-out100.0%
+-commutative100.0%
fma-define100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -5.5e+137)
(* y x)
(if (<= y -3300000000000.0)
t_0
(if (<= y -5.9e-94)
(* y x)
(if (<= y 1.22e-8) z (if (<= y 2.2e+77) (* y x) t_0)))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -5.5e+137) {
tmp = y * x;
} else if (y <= -3300000000000.0) {
tmp = t_0;
} else if (y <= -5.9e-94) {
tmp = y * x;
} else if (y <= 1.22e-8) {
tmp = z;
} else if (y <= 2.2e+77) {
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 <= (-5.5d+137)) then
tmp = y * x
else if (y <= (-3300000000000.0d0)) then
tmp = t_0
else if (y <= (-5.9d-94)) then
tmp = y * x
else if (y <= 1.22d-8) then
tmp = z
else if (y <= 2.2d+77) 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 <= -5.5e+137) {
tmp = y * x;
} else if (y <= -3300000000000.0) {
tmp = t_0;
} else if (y <= -5.9e-94) {
tmp = y * x;
} else if (y <= 1.22e-8) {
tmp = z;
} else if (y <= 2.2e+77) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -5.5e+137: tmp = y * x elif y <= -3300000000000.0: tmp = t_0 elif y <= -5.9e-94: tmp = y * x elif y <= 1.22e-8: tmp = z elif y <= 2.2e+77: 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 <= -5.5e+137) tmp = Float64(y * x); elseif (y <= -3300000000000.0) tmp = t_0; elseif (y <= -5.9e-94) tmp = Float64(y * x); elseif (y <= 1.22e-8) tmp = z; elseif (y <= 2.2e+77) 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 <= -5.5e+137) tmp = y * x; elseif (y <= -3300000000000.0) tmp = t_0; elseif (y <= -5.9e-94) tmp = y * x; elseif (y <= 1.22e-8) tmp = z; elseif (y <= 2.2e+77) 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, -5.5e+137], N[(y * x), $MachinePrecision], If[LessEqual[y, -3300000000000.0], t$95$0, If[LessEqual[y, -5.9e-94], N[(y * x), $MachinePrecision], If[LessEqual[y, 1.22e-8], z, If[LessEqual[y, 2.2e+77], N[(y * x), $MachinePrecision], t$95$0]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -5.5 \cdot 10^{+137}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -3300000000000:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -5.9 \cdot 10^{-94}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 1.22 \cdot 10^{-8}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 2.2 \cdot 10^{+77}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -5.5000000000000002e137 or -3.3e12 < y < -5.8999999999999996e-94 or 1.22e-8 < y < 2.2e77Initial program 97.3%
Taylor expanded in x around inf 61.6%
*-commutative61.6%
Simplified61.6%
if -5.5000000000000002e137 < y < -3.3e12 or 2.2e77 < y Initial program 95.2%
Taylor expanded in y around inf 99.8%
mul-1-neg99.8%
sub-neg99.8%
Simplified99.8%
Taylor expanded in x around 0 68.2%
mul-1-neg68.2%
distribute-rgt-neg-out68.2%
Simplified68.2%
if -5.8999999999999996e-94 < y < 1.22e-8Initial program 100.0%
Taylor expanded in y around 0 70.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 1.0)) {
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 <= (-1.0d0)) .or. (.not. (y <= 1.0d0))) 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 <= -1.0) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.0) or not (y <= 1.0): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(y <= 1.0)) 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 <= -1.0) || ~((y <= 1.0))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.0], N[Not[LessEqual[y, 1.0]], $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 -1 \lor \neg \left(y \leq 1\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -1 or 1 < y Initial program 95.8%
Taylor expanded in y around inf 97.6%
mul-1-neg97.6%
sub-neg97.6%
Simplified97.6%
if -1 < y < 1Initial 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 98.9%
mul-1-neg98.9%
distribute-lft-neg-out98.9%
*-commutative98.9%
Simplified98.9%
*-commutative98.9%
cancel-sign-sub98.9%
+-commutative98.9%
Applied egg-rr98.9%
Final simplification98.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.25e-95) (not (<= y 4.5e-9))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.25e-95) || !(y <= 4.5e-9)) {
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 <= (-2.25d-95)) .or. (.not. (y <= 4.5d-9))) 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 <= -2.25e-95) || !(y <= 4.5e-9)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.25e-95) or not (y <= 4.5e-9): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.25e-95) || !(y <= 4.5e-9)) 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 <= -2.25e-95) || ~((y <= 4.5e-9))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.25e-95], N[Not[LessEqual[y, 4.5e-9]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.25 \cdot 10^{-95} \lor \neg \left(y \leq 4.5 \cdot 10^{-9}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.25e-95 or 4.49999999999999976e-9 < y Initial program 96.2%
Taylor expanded in y around inf 93.8%
mul-1-neg93.8%
sub-neg93.8%
Simplified93.8%
if -2.25e-95 < y < 4.49999999999999976e-9Initial program 100.0%
Taylor expanded in y around 0 70.8%
Final simplification85.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -7.2e-94) (not (<= y 4.5e-9))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -7.2e-94) || !(y <= 4.5e-9)) {
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 <= (-7.2d-94)) .or. (.not. (y <= 4.5d-9))) 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 <= -7.2e-94) || !(y <= 4.5e-9)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -7.2e-94) or not (y <= 4.5e-9): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -7.2e-94) || !(y <= 4.5e-9)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -7.2e-94) || ~((y <= 4.5e-9))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -7.2e-94], N[Not[LessEqual[y, 4.5e-9]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -7.2 \cdot 10^{-94} \lor \neg \left(y \leq 4.5 \cdot 10^{-9}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -7.2e-94 or 4.49999999999999976e-9 < y Initial program 96.2%
Taylor expanded in x around inf 50.2%
*-commutative50.2%
Simplified50.2%
if -7.2e-94 < y < 4.49999999999999976e-9Initial program 100.0%
Taylor expanded in y around 0 70.8%
Final simplification58.0%
(FPCore (x y z) :precision binary64 (+ z (* y (- x z))))
double code(double x, double y, double z) {
return z + (y * (x - 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 + (y * (x - z))
end function
public static double code(double x, double y, double z) {
return z + (y * (x - z));
}
def code(x, y, z): return z + (y * (x - z))
function code(x, y, z) return Float64(z + Float64(y * Float64(x - z))) end
function tmp = code(x, y, z) tmp = z + (y * (x - z)); end
code[x_, y_, z_] := N[(z + N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z + y \cdot \left(x - z\right)
\end{array}
Initial program 97.6%
+-commutative97.6%
+-lft-identity97.6%
cancel-sign-sub97.6%
cancel-sign-sub97.6%
+-lft-identity97.6%
distribute-lft-out--97.6%
*-rgt-identity97.6%
associate-+l-97.6%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(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 97.6%
Taylor expanded in y around 0 31.0%
(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 2024092
(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))))