
(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%
distribute-lft-out--98.8%
*-rgt-identity98.8%
cancel-sign-sub-inv98.8%
+-commutative98.8%
+-commutative98.8%
associate-+l+98.8%
distribute-lft-neg-out98.8%
remove-double-neg98.8%
distribute-rgt-neg-out98.8%
distribute-neg-out98.8%
sub-neg98.8%
distribute-rgt-neg-out98.8%
sub-neg98.8%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.22e+17) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.22e+17) || !(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 <= (-1.22d+17)) .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 <= -1.22e+17) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.22e+17) 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 <= -1.22e+17) || !(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 <= -1.22e+17) || ~((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, -1.22e+17], 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 -1.22 \cdot 10^{+17} \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 < -1.22e17 or 1 < y Initial program 97.3%
Taylor expanded in y around inf 99.1%
mul-1-neg99.1%
sub-neg99.1%
Simplified99.1%
if -1.22e17 < y < 1Initial program 100.0%
Taylor expanded in y around 0 98.7%
Final simplification98.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.75e-44) (not (<= y 4.4e-8))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.75e-44) || !(y <= 4.4e-8)) {
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 <= (-1.75d-44)) .or. (.not. (y <= 4.4d-8))) 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 <= -1.75e-44) || !(y <= 4.4e-8)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.75e-44) or not (y <= 4.4e-8): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.75e-44) || !(y <= 4.4e-8)) 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 <= -1.75e-44) || ~((y <= 4.4e-8))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.75e-44], N[Not[LessEqual[y, 4.4e-8]], $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 -1.75 \cdot 10^{-44} \lor \neg \left(y \leq 4.4 \cdot 10^{-8}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -1.7499999999999999e-44 or 4.3999999999999997e-8 < y Initial program 97.7%
Taylor expanded in y around inf 95.6%
mul-1-neg95.6%
sub-neg95.6%
Simplified95.6%
if -1.7499999999999999e-44 < y < 4.3999999999999997e-8Initial 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 inf 80.9%
*-commutative80.9%
Simplified80.9%
Taylor expanded in z around 0 80.9%
Final simplification88.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.75e-44) (not (<= y 4.3e-8))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.75e-44) || !(y <= 4.3e-8)) {
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 <= (-1.75d-44)) .or. (.not. (y <= 4.3d-8))) 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 <= -1.75e-44) || !(y <= 4.3e-8)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.75e-44) or not (y <= 4.3e-8): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.75e-44) || !(y <= 4.3e-8)) 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 <= -1.75e-44) || ~((y <= 4.3e-8))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.75e-44], N[Not[LessEqual[y, 4.3e-8]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.75 \cdot 10^{-44} \lor \neg \left(y \leq 4.3 \cdot 10^{-8}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.7499999999999999e-44 or 4.3000000000000001e-8 < y Initial program 97.7%
Taylor expanded in y around inf 95.6%
mul-1-neg95.6%
sub-neg95.6%
Simplified95.6%
if -1.7499999999999999e-44 < y < 4.3000000000000001e-8Initial program 100.0%
Taylor expanded in y around 0 98.9%
Taylor expanded in x around 0 79.8%
Final simplification87.9%
(FPCore (x y z) :precision binary64 (if (<= y -3e-38) (* y x) (if (<= y 4.4e-8) z (* z (- y)))))
double code(double x, double y, double z) {
double tmp;
if (y <= -3e-38) {
tmp = y * x;
} else if (y <= 4.4e-8) {
tmp = z;
} else {
tmp = 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 <= (-3d-38)) then
tmp = y * x
else if (y <= 4.4d-8) then
tmp = z
else
tmp = z * -y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -3e-38) {
tmp = y * x;
} else if (y <= 4.4e-8) {
tmp = z;
} else {
tmp = z * -y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -3e-38: tmp = y * x elif y <= 4.4e-8: tmp = z else: tmp = z * -y return tmp
function code(x, y, z) tmp = 0.0 if (y <= -3e-38) tmp = Float64(y * x); elseif (y <= 4.4e-8) tmp = z; else tmp = Float64(z * Float64(-y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -3e-38) tmp = y * x; elseif (y <= 4.4e-8) tmp = z; else tmp = z * -y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -3e-38], N[(y * x), $MachinePrecision], If[LessEqual[y, 4.4e-8], z, N[(z * (-y)), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3 \cdot 10^{-38}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 4.4 \cdot 10^{-8}:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(-y\right)\\
\end{array}
\end{array}
if y < -2.99999999999999989e-38Initial program 96.8%
Taylor expanded in x around inf 61.5%
*-commutative61.5%
Simplified61.5%
if -2.99999999999999989e-38 < y < 4.3999999999999997e-8Initial program 100.0%
Taylor expanded in y around 0 98.9%
Taylor expanded in x around 0 79.3%
if 4.3999999999999997e-8 < y Initial program 98.4%
Taylor expanded in y around inf 98.2%
mul-1-neg98.2%
sub-neg98.2%
Simplified98.2%
Taylor expanded in x around 0 58.9%
neg-mul-158.9%
*-commutative58.9%
distribute-rgt-neg-in58.9%
Simplified58.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -3e-38) (not (<= y 4.3e-8))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3e-38) || !(y <= 4.3e-8)) {
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 <= (-3d-38)) .or. (.not. (y <= 4.3d-8))) 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 <= -3e-38) || !(y <= 4.3e-8)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3e-38) or not (y <= 4.3e-8): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3e-38) || !(y <= 4.3e-8)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -3e-38) || ~((y <= 4.3e-8))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3e-38], N[Not[LessEqual[y, 4.3e-8]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3 \cdot 10^{-38} \lor \neg \left(y \leq 4.3 \cdot 10^{-8}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.99999999999999989e-38 or 4.3000000000000001e-8 < y Initial program 97.7%
Taylor expanded in x around inf 55.2%
*-commutative55.2%
Simplified55.2%
if -2.99999999999999989e-38 < y < 4.3000000000000001e-8Initial program 100.0%
Taylor expanded in y around 0 98.9%
Taylor expanded in x around 0 79.3%
Final simplification67.2%
(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 78.4%
Taylor expanded in x around 0 42.0%
(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 2024165
(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))))