
(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 (+ 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 98.8%
+-commutative98.8%
+-lft-identity98.8%
cancel-sign-sub98.8%
cancel-sign-sub98.8%
+-lft-identity98.8%
distribute-lft-out--98.8%
*-rgt-identity98.8%
associate-+l-98.8%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* z (- y))))
(if (<= y -1.9e+243)
(* y x)
(if (<= y -7.2e+113)
t_0
(if (<= y -1.02e-88)
(* y x)
(if (<= y 2.1e-75)
z
(if (or (<= y 1.22e+39) (and (not (<= y 9.5e+126)) (<= y 5.2e+262)))
(* y x)
t_0)))))))
double code(double x, double y, double z) {
double t_0 = z * -y;
double tmp;
if (y <= -1.9e+243) {
tmp = y * x;
} else if (y <= -7.2e+113) {
tmp = t_0;
} else if (y <= -1.02e-88) {
tmp = y * x;
} else if (y <= 2.1e-75) {
tmp = z;
} else if ((y <= 1.22e+39) || (!(y <= 9.5e+126) && (y <= 5.2e+262))) {
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 = z * -y
if (y <= (-1.9d+243)) then
tmp = y * x
else if (y <= (-7.2d+113)) then
tmp = t_0
else if (y <= (-1.02d-88)) then
tmp = y * x
else if (y <= 2.1d-75) then
tmp = z
else if ((y <= 1.22d+39) .or. (.not. (y <= 9.5d+126)) .and. (y <= 5.2d+262)) 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 = z * -y;
double tmp;
if (y <= -1.9e+243) {
tmp = y * x;
} else if (y <= -7.2e+113) {
tmp = t_0;
} else if (y <= -1.02e-88) {
tmp = y * x;
} else if (y <= 2.1e-75) {
tmp = z;
} else if ((y <= 1.22e+39) || (!(y <= 9.5e+126) && (y <= 5.2e+262))) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = z * -y tmp = 0 if y <= -1.9e+243: tmp = y * x elif y <= -7.2e+113: tmp = t_0 elif y <= -1.02e-88: tmp = y * x elif y <= 2.1e-75: tmp = z elif (y <= 1.22e+39) or (not (y <= 9.5e+126) and (y <= 5.2e+262)): tmp = y * x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(z * Float64(-y)) tmp = 0.0 if (y <= -1.9e+243) tmp = Float64(y * x); elseif (y <= -7.2e+113) tmp = t_0; elseif (y <= -1.02e-88) tmp = Float64(y * x); elseif (y <= 2.1e-75) tmp = z; elseif ((y <= 1.22e+39) || (!(y <= 9.5e+126) && (y <= 5.2e+262))) tmp = Float64(y * x); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = z * -y; tmp = 0.0; if (y <= -1.9e+243) tmp = y * x; elseif (y <= -7.2e+113) tmp = t_0; elseif (y <= -1.02e-88) tmp = y * x; elseif (y <= 2.1e-75) tmp = z; elseif ((y <= 1.22e+39) || (~((y <= 9.5e+126)) && (y <= 5.2e+262))) tmp = y * x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(z * (-y)), $MachinePrecision]}, If[LessEqual[y, -1.9e+243], N[(y * x), $MachinePrecision], If[LessEqual[y, -7.2e+113], t$95$0, If[LessEqual[y, -1.02e-88], N[(y * x), $MachinePrecision], If[LessEqual[y, 2.1e-75], z, If[Or[LessEqual[y, 1.22e+39], And[N[Not[LessEqual[y, 9.5e+126]], $MachinePrecision], LessEqual[y, 5.2e+262]]], N[(y * x), $MachinePrecision], t$95$0]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \left(-y\right)\\
\mathbf{if}\;y \leq -1.9 \cdot 10^{+243}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -7.2 \cdot 10^{+113}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -1.02 \cdot 10^{-88}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 2.1 \cdot 10^{-75}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 1.22 \cdot 10^{+39} \lor \neg \left(y \leq 9.5 \cdot 10^{+126}\right) \land y \leq 5.2 \cdot 10^{+262}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -1.89999999999999999e243 or -7.19999999999999984e113 < y < -1.02000000000000001e-88 or 2.1000000000000001e-75 < y < 1.22e39 or 9.49999999999999951e126 < y < 5.1999999999999998e262Initial program 99.0%
Taylor expanded in x around inf 64.1%
*-commutative64.1%
Simplified64.1%
if -1.89999999999999999e243 < y < -7.19999999999999984e113 or 1.22e39 < y < 9.49999999999999951e126 or 5.1999999999999998e262 < y Initial program 96.7%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 71.3%
associate-*r*71.3%
mul-1-neg71.3%
Simplified71.3%
if -1.02000000000000001e-88 < y < 2.1000000000000001e-75Initial program 100.0%
Taylor expanded in y around 0 79.2%
Final simplification70.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -3.7e-88) (not (<= y 2.15e-75))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3.7e-88) || !(y <= 2.15e-75)) {
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 <= (-3.7d-88)) .or. (.not. (y <= 2.15d-75))) 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 <= -3.7e-88) || !(y <= 2.15e-75)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3.7e-88) or not (y <= 2.15e-75): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3.7e-88) || !(y <= 2.15e-75)) 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 <= -3.7e-88) || ~((y <= 2.15e-75))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3.7e-88], N[Not[LessEqual[y, 2.15e-75]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.7 \cdot 10^{-88} \lor \neg \left(y \leq 2.15 \cdot 10^{-75}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -3.6999999999999997e-88 or 2.15e-75 < y Initial program 98.2%
Taylor expanded in y around inf 89.6%
mul-1-neg89.6%
sub-neg89.6%
Simplified89.6%
if -3.6999999999999997e-88 < y < 2.15e-75Initial program 100.0%
Taylor expanded in y around 0 79.2%
Final simplification86.1%
(FPCore (x y z) :precision binary64 (if (or (<= z -8.5e-49) (not (<= z 2.35e+17))) (* z (- 1.0 y)) (* y (- x z))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -8.5e-49) || !(z <= 2.35e+17)) {
tmp = z * (1.0 - y);
} else {
tmp = y * (x - 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 ((z <= (-8.5d-49)) .or. (.not. (z <= 2.35d+17))) then
tmp = z * (1.0d0 - y)
else
tmp = y * (x - z)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((z <= -8.5e-49) || !(z <= 2.35e+17)) {
tmp = z * (1.0 - y);
} else {
tmp = y * (x - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -8.5e-49) or not (z <= 2.35e+17): tmp = z * (1.0 - y) else: tmp = y * (x - z) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -8.5e-49) || !(z <= 2.35e+17)) tmp = Float64(z * Float64(1.0 - y)); else tmp = Float64(y * Float64(x - z)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((z <= -8.5e-49) || ~((z <= 2.35e+17))) tmp = z * (1.0 - y); else tmp = y * (x - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -8.5e-49], N[Not[LessEqual[z, 2.35e+17]], $MachinePrecision]], N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -8.5 \cdot 10^{-49} \lor \neg \left(z \leq 2.35 \cdot 10^{+17}\right):\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(x - z\right)\\
\end{array}
\end{array}
if z < -8.50000000000000069e-49 or 2.35e17 < z Initial program 98.5%
Taylor expanded in x around 0 89.2%
if -8.50000000000000069e-49 < z < 2.35e17Initial program 99.2%
Taylor expanded in y around inf 84.0%
mul-1-neg84.0%
sub-neg84.0%
Simplified84.0%
Final simplification86.8%
(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 97.7%
Taylor expanded in y around inf 98.8%
mul-1-neg98.8%
sub-neg98.8%
Simplified98.8%
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 98.6%
mul-1-neg98.6%
distribute-lft-neg-out98.6%
*-commutative98.6%
Simplified98.6%
sub-neg98.6%
+-commutative98.6%
distribute-rgt-neg-out98.6%
remove-double-neg98.6%
Applied egg-rr98.6%
Final simplification98.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.5e-89) (not (<= y 1.25e-75))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.5e-89) || !(y <= 1.25e-75)) {
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 <= (-1.5d-89)) .or. (.not. (y <= 1.25d-75))) 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 <= -1.5e-89) || !(y <= 1.25e-75)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.5e-89) or not (y <= 1.25e-75): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.5e-89) || !(y <= 1.25e-75)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.5e-89) || ~((y <= 1.25e-75))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.5e-89], N[Not[LessEqual[y, 1.25e-75]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.5 \cdot 10^{-89} \lor \neg \left(y \leq 1.25 \cdot 10^{-75}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.5e-89 or 1.24999999999999995e-75 < y Initial program 98.2%
Taylor expanded in x around inf 53.0%
*-commutative53.0%
Simplified53.0%
if -1.5e-89 < y < 1.24999999999999995e-75Initial program 100.0%
Taylor expanded in y around 0 79.2%
Final simplification61.8%
(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 98.8%
Taylor expanded in y around 0 34.3%
Final simplification34.3%
(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 2024044
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:herbie-target
(- z (* (- z x) y))
(+ (* x y) (* z (- 1.0 y))))