
(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 96.5%
+-commutative96.5%
+-lft-identity96.5%
cancel-sign-sub96.5%
cancel-sign-sub96.5%
+-lft-identity96.5%
distribute-lft-out--96.5%
*-rgt-identity96.5%
associate-+l-96.5%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 (if (<= y -2.7e+117) (* z (- y)) (if (or (<= y -1.02e-5) (not (<= y 6.8e-9))) (* y x) z)))
double code(double x, double y, double z) {
double tmp;
if (y <= -2.7e+117) {
tmp = z * -y;
} else if ((y <= -1.02e-5) || !(y <= 6.8e-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 <= (-2.7d+117)) then
tmp = z * -y
else if ((y <= (-1.02d-5)) .or. (.not. (y <= 6.8d-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 <= -2.7e+117) {
tmp = z * -y;
} else if ((y <= -1.02e-5) || !(y <= 6.8e-9)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -2.7e+117: tmp = z * -y elif (y <= -1.02e-5) or not (y <= 6.8e-9): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if (y <= -2.7e+117) tmp = Float64(z * Float64(-y)); elseif ((y <= -1.02e-5) || !(y <= 6.8e-9)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -2.7e+117) tmp = z * -y; elseif ((y <= -1.02e-5) || ~((y <= 6.8e-9))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -2.7e+117], N[(z * (-y)), $MachinePrecision], If[Or[LessEqual[y, -1.02e-5], N[Not[LessEqual[y, 6.8e-9]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.7 \cdot 10^{+117}:\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{elif}\;y \leq -1.02 \cdot 10^{-5} \lor \neg \left(y \leq 6.8 \cdot 10^{-9}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.7000000000000002e117Initial program 95.1%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 58.7%
associate-*r*58.7%
neg-mul-158.7%
Simplified58.7%
if -2.7000000000000002e117 < y < -1.0200000000000001e-5 or 6.7999999999999997e-9 < y Initial program 92.1%
Taylor expanded in x around inf 57.6%
*-commutative57.6%
Simplified57.6%
if -1.0200000000000001e-5 < y < 6.7999999999999997e-9Initial program 100.0%
Taylor expanded in y around 0 74.6%
Final simplification66.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -6.5e+15) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -6.5e+15) || !(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 <= (-6.5d+15)) .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 <= -6.5e+15) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -6.5e+15) 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 <= -6.5e+15) || !(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 <= -6.5e+15) || ~((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, -6.5e+15], 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 -6.5 \cdot 10^{+15} \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 < -6.5e15 or 1 < y Initial program 92.6%
Taylor expanded in y around inf 98.4%
mul-1-neg98.4%
sub-neg98.4%
Simplified98.4%
if -6.5e15 < 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 96.6%
mul-1-neg96.6%
distribute-lft-neg-out96.6%
*-commutative96.6%
Simplified96.6%
*-commutative96.6%
cancel-sign-sub96.6%
*-commutative96.6%
+-commutative96.6%
*-commutative96.6%
Applied egg-rr96.6%
Final simplification97.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.02e-5) (not (<= y 1.2e-8))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.02e-5) || !(y <= 1.2e-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 <= (-1.02d-5)) .or. (.not. (y <= 1.2d-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 <= -1.02e-5) || !(y <= 1.2e-8)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.02e-5) or not (y <= 1.2e-8): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.02e-5) || !(y <= 1.2e-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 <= -1.02e-5) || ~((y <= 1.2e-8))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.02e-5], N[Not[LessEqual[y, 1.2e-8]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.02 \cdot 10^{-5} \lor \neg \left(y \leq 1.2 \cdot 10^{-8}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.0200000000000001e-5 or 1.19999999999999999e-8 < y Initial program 93.1%
Taylor expanded in y around inf 96.2%
mul-1-neg96.2%
sub-neg96.2%
Simplified96.2%
if -1.0200000000000001e-5 < y < 1.19999999999999999e-8Initial program 100.0%
Taylor expanded in y around 0 74.6%
Final simplification85.6%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.15e-5) (not (<= y 8e-9))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.15e-5) || !(y <= 8e-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 <= (-1.15d-5)) .or. (.not. (y <= 8d-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 <= -1.15e-5) || !(y <= 8e-9)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.15e-5) or not (y <= 8e-9): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.15e-5) || !(y <= 8e-9)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.15e-5) || ~((y <= 8e-9))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.15e-5], N[Not[LessEqual[y, 8e-9]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.15 \cdot 10^{-5} \lor \neg \left(y \leq 8 \cdot 10^{-9}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.15e-5 or 8.0000000000000005e-9 < y Initial program 93.1%
Taylor expanded in x around inf 54.4%
*-commutative54.4%
Simplified54.4%
if -1.15e-5 < y < 8.0000000000000005e-9Initial program 100.0%
Taylor expanded in y around 0 74.6%
Final simplification64.3%
(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 96.5%
Taylor expanded in y around 0 38.3%
(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 2024123
(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))))