
(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 6 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 98.4%
+-commutative98.4%
+-lft-identity98.4%
cancel-sign-sub98.4%
cancel-sign-sub98.4%
+-lft-identity98.4%
distribute-lft-out--98.4%
*-rgt-identity98.4%
associate-+l-98.4%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (<= y -3.3e+83) (* z (- y)) (if (or (<= y -1.9e-46) (not (<= y 1.5e-26))) (* y x) z)))
double code(double x, double y, double z) {
double tmp;
if (y <= -3.3e+83) {
tmp = z * -y;
} else if ((y <= -1.9e-46) || !(y <= 1.5e-26)) {
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 <= (-3.3d+83)) then
tmp = z * -y
else if ((y <= (-1.9d-46)) .or. (.not. (y <= 1.5d-26))) 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 <= -3.3e+83) {
tmp = z * -y;
} else if ((y <= -1.9e-46) || !(y <= 1.5e-26)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -3.3e+83: tmp = z * -y elif (y <= -1.9e-46) or not (y <= 1.5e-26): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if (y <= -3.3e+83) tmp = Float64(z * Float64(-y)); elseif ((y <= -1.9e-46) || !(y <= 1.5e-26)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -3.3e+83) tmp = z * -y; elseif ((y <= -1.9e-46) || ~((y <= 1.5e-26))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -3.3e+83], N[(z * (-y)), $MachinePrecision], If[Or[LessEqual[y, -1.9e-46], N[Not[LessEqual[y, 1.5e-26]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.3 \cdot 10^{+83}:\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{elif}\;y \leq -1.9 \cdot 10^{-46} \lor \neg \left(y \leq 1.5 \cdot 10^{-26}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -3.29999999999999985e83Initial program 95.0%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 72.7%
mul-1-neg72.7%
*-commutative72.7%
distribute-rgt-neg-in72.7%
Simplified72.7%
if -3.29999999999999985e83 < y < -1.8999999999999998e-46 or 1.50000000000000006e-26 < y Initial program 98.1%
Taylor expanded in x around inf 59.0%
*-commutative59.0%
Simplified59.0%
if -1.8999999999999998e-46 < y < 1.50000000000000006e-26Initial program 100.0%
Taylor expanded in y around 0 72.1%
Final simplification66.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.7e+14) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.7e+14) || !(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 <= (-2.7d+14)) .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 <= -2.7e+14) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.7e+14) 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 <= -2.7e+14) || !(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 <= -2.7e+14) || ~((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, -2.7e+14], 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 -2.7 \cdot 10^{+14} \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 < -2.7e14 or 1 < y Initial program 97.0%
Taylor expanded in y around inf 98.8%
mul-1-neg98.8%
sub-neg98.8%
Simplified98.8%
if -2.7e14 < 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 inf 90.6%
mul-1-neg90.6%
unsub-neg90.6%
*-commutative90.6%
associate-/l*87.4%
Simplified87.4%
Taylor expanded in z around 0 99.3%
mul-1-neg99.3%
*-commutative99.3%
distribute-lft-neg-in99.3%
Simplified99.3%
cancel-sign-sub99.3%
+-commutative99.3%
Applied egg-rr99.3%
Final simplification99.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -3.7e-47) (not (<= y 6.5e-26))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3.7e-47) || !(y <= 6.5e-26)) {
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-47)) .or. (.not. (y <= 6.5d-26))) 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-47) || !(y <= 6.5e-26)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3.7e-47) or not (y <= 6.5e-26): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3.7e-47) || !(y <= 6.5e-26)) 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-47) || ~((y <= 6.5e-26))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3.7e-47], N[Not[LessEqual[y, 6.5e-26]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.7 \cdot 10^{-47} \lor \neg \left(y \leq 6.5 \cdot 10^{-26}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -3.7e-47 or 6.5e-26 < y Initial program 97.3%
Taylor expanded in y around inf 96.5%
mul-1-neg96.5%
sub-neg96.5%
Simplified96.5%
if -3.7e-47 < y < 6.5e-26Initial program 100.0%
Taylor expanded in y around 0 72.1%
Final simplification86.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -2e-46) (not (<= y 1.6e-26))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2e-46) || !(y <= 1.6e-26)) {
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 <= (-2d-46)) .or. (.not. (y <= 1.6d-26))) 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 <= -2e-46) || !(y <= 1.6e-26)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2e-46) or not (y <= 1.6e-26): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2e-46) || !(y <= 1.6e-26)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -2e-46) || ~((y <= 1.6e-26))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2e-46], N[Not[LessEqual[y, 1.6e-26]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2 \cdot 10^{-46} \lor \neg \left(y \leq 1.6 \cdot 10^{-26}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.00000000000000005e-46 or 1.6000000000000001e-26 < y Initial program 97.3%
Taylor expanded in x around inf 53.6%
*-commutative53.6%
Simplified53.6%
if -2.00000000000000005e-46 < y < 1.6000000000000001e-26Initial program 100.0%
Taylor expanded in y around 0 72.1%
Final simplification61.5%
(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 98.4%
Taylor expanded in y around 0 33.3%
(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 2024116
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(! :herbie-platform default (- z (* (- z x) y)))
(+ (* x y) (* z (- 1.0 y))))