
(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 97.3%
+-commutative97.3%
distribute-lft-out--97.3%
*-rgt-identity97.3%
cancel-sign-sub-inv97.3%
+-commutative97.3%
+-commutative97.3%
associate-+l+97.3%
distribute-lft-neg-out97.3%
remove-double-neg97.3%
distribute-rgt-neg-out97.3%
distribute-neg-out97.3%
sub-neg97.3%
distribute-rgt-neg-out97.3%
sub-neg97.3%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* z (- y))))
(if (<= y -1.6e+51)
t_0
(if (<= y -2.8e-73)
(* y x)
(if (<= y 8e-47) z (if (<= y 1.85e+22) (* y x) t_0))))))
double code(double x, double y, double z) {
double t_0 = z * -y;
double tmp;
if (y <= -1.6e+51) {
tmp = t_0;
} else if (y <= -2.8e-73) {
tmp = y * x;
} else if (y <= 8e-47) {
tmp = z;
} else if (y <= 1.85e+22) {
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 <= (-1.6d+51)) then
tmp = t_0
else if (y <= (-2.8d-73)) then
tmp = y * x
else if (y <= 8d-47) then
tmp = z
else if (y <= 1.85d+22) 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 <= -1.6e+51) {
tmp = t_0;
} else if (y <= -2.8e-73) {
tmp = y * x;
} else if (y <= 8e-47) {
tmp = z;
} else if (y <= 1.85e+22) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = z * -y tmp = 0 if y <= -1.6e+51: tmp = t_0 elif y <= -2.8e-73: tmp = y * x elif y <= 8e-47: tmp = z elif y <= 1.85e+22: 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 <= -1.6e+51) tmp = t_0; elseif (y <= -2.8e-73) tmp = Float64(y * x); elseif (y <= 8e-47) tmp = z; elseif (y <= 1.85e+22) 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 <= -1.6e+51) tmp = t_0; elseif (y <= -2.8e-73) tmp = y * x; elseif (y <= 8e-47) tmp = z; elseif (y <= 1.85e+22) 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, -1.6e+51], t$95$0, If[LessEqual[y, -2.8e-73], N[(y * x), $MachinePrecision], If[LessEqual[y, 8e-47], z, If[LessEqual[y, 1.85e+22], N[(y * x), $MachinePrecision], t$95$0]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \left(-y\right)\\
\mathbf{if}\;y \leq -1.6 \cdot 10^{+51}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -2.8 \cdot 10^{-73}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 8 \cdot 10^{-47}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 1.85 \cdot 10^{+22}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -1.6000000000000001e51 or 1.8499999999999999e22 < y Initial program 93.6%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 63.8%
associate-*r*63.8%
neg-mul-163.8%
*-commutative63.8%
Simplified63.8%
if -1.6000000000000001e51 < y < -2.80000000000000012e-73 or 7.9999999999999998e-47 < y < 1.8499999999999999e22Initial program 99.9%
Taylor expanded in x around inf 66.7%
*-commutative66.7%
Simplified66.7%
if -2.80000000000000012e-73 < y < 7.9999999999999998e-47Initial program 100.0%
Taylor expanded in y around 0 80.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -21000000000.0) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -21000000000.0) || !(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 <= (-21000000000.0d0)) .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 <= -21000000000.0) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -21000000000.0) 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 <= -21000000000.0) || !(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 <= -21000000000.0) || ~((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, -21000000000.0], 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 -21000000000 \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 < -2.1e10 or 1 < y Initial program 94.5%
Taylor expanded in y around inf 99.1%
mul-1-neg99.1%
sub-neg99.1%
Simplified99.1%
if -2.1e10 < y < 1Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in z around 0 98.2%
mul-1-neg98.2%
distribute-lft-neg-out98.2%
*-commutative98.2%
Simplified98.2%
*-commutative98.2%
cancel-sign-sub98.2%
*-commutative98.2%
+-commutative98.2%
Applied egg-rr98.2%
Final simplification98.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.7e-73) (not (<= y 8.8e-48))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.7e-73) || !(y <= 8.8e-48)) {
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 <= (-1.7d-73)) .or. (.not. (y <= 8.8d-48))) 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 <= -1.7e-73) || !(y <= 8.8e-48)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.7e-73) or not (y <= 8.8e-48): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.7e-73) || !(y <= 8.8e-48)) 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 <= -1.7e-73) || ~((y <= 8.8e-48))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.7e-73], N[Not[LessEqual[y, 8.8e-48]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.7 \cdot 10^{-73} \lor \neg \left(y \leq 8.8 \cdot 10^{-48}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.7000000000000001e-73 or 8.8000000000000005e-48 < y Initial program 95.2%
Taylor expanded in y around inf 94.9%
mul-1-neg94.9%
sub-neg94.9%
Simplified94.9%
if -1.7000000000000001e-73 < y < 8.8000000000000005e-48Initial program 100.0%
Taylor expanded in y around 0 80.5%
Final simplification88.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -1e-73) (not (<= y 7e-47))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1e-73) || !(y <= 7e-47)) {
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 <= (-1d-73)) .or. (.not. (y <= 7d-47))) 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 <= -1e-73) || !(y <= 7e-47)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1e-73) or not (y <= 7e-47): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1e-73) || !(y <= 7e-47)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1e-73) || ~((y <= 7e-47))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1e-73], N[Not[LessEqual[y, 7e-47]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \cdot 10^{-73} \lor \neg \left(y \leq 7 \cdot 10^{-47}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -9.99999999999999997e-74 or 6.9999999999999996e-47 < y Initial program 95.2%
Taylor expanded in x around inf 50.8%
*-commutative50.8%
Simplified50.8%
if -9.99999999999999997e-74 < y < 6.9999999999999996e-47Initial program 100.0%
Taylor expanded in y around 0 80.5%
Final simplification63.3%
(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 97.3%
Taylor expanded in y around 0 37.5%
(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 2024131
(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))))