
(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 8 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 (fma y (- x z) z))
double code(double x, double y, double z) {
return fma(y, (x - z), z);
}
function code(x, y, z) return fma(y, Float64(x - z), z) end
code[x_, y_, z_] := N[(y * N[(x - z), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, x - z, z\right)
\end{array}
Initial program 98.8%
+-commutative98.8%
sub-neg98.8%
distribute-rgt-in98.8%
*-lft-identity98.8%
associate-+l+98.8%
+-commutative98.8%
*-commutative98.8%
neg-mul-198.8%
associate-*r*98.8%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
*-commutative100.0%
neg-mul-1100.0%
unsub-neg100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- x z))))
(if (<= y -6.6e-50)
t_0
(if (<= y -4e-219)
z
(if (<= y -3.6e-236) (* y x) (if (<= y 6.6e-38) z t_0))))))
double code(double x, double y, double z) {
double t_0 = y * (x - z);
double tmp;
if (y <= -6.6e-50) {
tmp = t_0;
} else if (y <= -4e-219) {
tmp = z;
} else if (y <= -3.6e-236) {
tmp = y * x;
} else if (y <= 6.6e-38) {
tmp = z;
} 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 = y * (x - z)
if (y <= (-6.6d-50)) then
tmp = t_0
else if (y <= (-4d-219)) then
tmp = z
else if (y <= (-3.6d-236)) then
tmp = y * x
else if (y <= 6.6d-38) then
tmp = z
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = y * (x - z);
double tmp;
if (y <= -6.6e-50) {
tmp = t_0;
} else if (y <= -4e-219) {
tmp = z;
} else if (y <= -3.6e-236) {
tmp = y * x;
} else if (y <= 6.6e-38) {
tmp = z;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * (x - z) tmp = 0 if y <= -6.6e-50: tmp = t_0 elif y <= -4e-219: tmp = z elif y <= -3.6e-236: tmp = y * x elif y <= 6.6e-38: tmp = z else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(x - z)) tmp = 0.0 if (y <= -6.6e-50) tmp = t_0; elseif (y <= -4e-219) tmp = z; elseif (y <= -3.6e-236) tmp = Float64(y * x); elseif (y <= 6.6e-38) tmp = z; else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * (x - z); tmp = 0.0; if (y <= -6.6e-50) tmp = t_0; elseif (y <= -4e-219) tmp = z; elseif (y <= -3.6e-236) tmp = y * x; elseif (y <= 6.6e-38) tmp = z; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -6.6e-50], t$95$0, If[LessEqual[y, -4e-219], z, If[LessEqual[y, -3.6e-236], N[(y * x), $MachinePrecision], If[LessEqual[y, 6.6e-38], z, t$95$0]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(x - z\right)\\
\mathbf{if}\;y \leq -6.6 \cdot 10^{-50}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -4 \cdot 10^{-219}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq -3.6 \cdot 10^{-236}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 6.6 \cdot 10^{-38}:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
if y < -6.5999999999999997e-50 or 6.6000000000000005e-38 < y Initial program 97.8%
Taylor expanded in y around inf 95.7%
mul-1-neg95.7%
+-commutative95.7%
sub-neg95.7%
Simplified95.7%
if -6.5999999999999997e-50 < y < -4.0000000000000001e-219 or -3.60000000000000008e-236 < y < 6.6000000000000005e-38Initial program 100.0%
Taylor expanded in y around 0 73.2%
if -4.0000000000000001e-219 < y < -3.60000000000000008e-236Initial program 100.0%
Taylor expanded in x around inf 100.0%
Final simplification85.9%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= z -2.8e+155)
z
(if (<= z -2.15e+15)
t_0
(if (<= z 1.1e-14) (* y x) (if (<= z 4.7e+119) t_0 z))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (z <= -2.8e+155) {
tmp = z;
} else if (z <= -2.15e+15) {
tmp = t_0;
} else if (z <= 1.1e-14) {
tmp = y * x;
} else if (z <= 4.7e+119) {
tmp = t_0;
} 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) :: t_0
real(8) :: tmp
t_0 = y * -z
if (z <= (-2.8d+155)) then
tmp = z
else if (z <= (-2.15d+15)) then
tmp = t_0
else if (z <= 1.1d-14) then
tmp = y * x
else if (z <= 4.7d+119) then
tmp = t_0
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (z <= -2.8e+155) {
tmp = z;
} else if (z <= -2.15e+15) {
tmp = t_0;
} else if (z <= 1.1e-14) {
tmp = y * x;
} else if (z <= 4.7e+119) {
tmp = t_0;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if z <= -2.8e+155: tmp = z elif z <= -2.15e+15: tmp = t_0 elif z <= 1.1e-14: tmp = y * x elif z <= 4.7e+119: tmp = t_0 else: tmp = z return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (z <= -2.8e+155) tmp = z; elseif (z <= -2.15e+15) tmp = t_0; elseif (z <= 1.1e-14) tmp = Float64(y * x); elseif (z <= 4.7e+119) tmp = t_0; else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (z <= -2.8e+155) tmp = z; elseif (z <= -2.15e+15) tmp = t_0; elseif (z <= 1.1e-14) tmp = y * x; elseif (z <= 4.7e+119) tmp = t_0; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[z, -2.8e+155], z, If[LessEqual[z, -2.15e+15], t$95$0, If[LessEqual[z, 1.1e-14], N[(y * x), $MachinePrecision], If[LessEqual[z, 4.7e+119], t$95$0, z]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;z \leq -2.8 \cdot 10^{+155}:\\
\;\;\;\;z\\
\mathbf{elif}\;z \leq -2.15 \cdot 10^{+15}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;z \leq 1.1 \cdot 10^{-14}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;z \leq 4.7 \cdot 10^{+119}:\\
\;\;\;\;t_0\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if z < -2.80000000000000016e155 or 4.70000000000000008e119 < z Initial program 95.7%
Taylor expanded in y around 0 61.2%
if -2.80000000000000016e155 < z < -2.15e15 or 1.1e-14 < z < 4.70000000000000008e119Initial program 100.0%
Taylor expanded in y around inf 69.3%
mul-1-neg69.3%
+-commutative69.3%
sub-neg69.3%
Simplified69.3%
Taylor expanded in x around 0 52.7%
mul-1-neg52.7%
distribute-rgt-neg-out52.7%
Simplified52.7%
if -2.15e15 < z < 1.1e-14Initial program 100.0%
Taylor expanded in x around inf 68.4%
Final simplification63.2%
(FPCore (x y z)
:precision binary64
(if (<= y -9e-50)
(* y x)
(if (<= y -4e-219)
z
(if (<= y -3.6e-236) (* y x) (if (<= y 6e-65) z (* y x))))))
double code(double x, double y, double z) {
double tmp;
if (y <= -9e-50) {
tmp = y * x;
} else if (y <= -4e-219) {
tmp = z;
} else if (y <= -3.6e-236) {
tmp = y * x;
} else if (y <= 6e-65) {
tmp = z;
} else {
tmp = 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 <= (-9d-50)) then
tmp = y * x
else if (y <= (-4d-219)) then
tmp = z
else if (y <= (-3.6d-236)) then
tmp = y * x
else if (y <= 6d-65) then
tmp = z
else
tmp = y * x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -9e-50) {
tmp = y * x;
} else if (y <= -4e-219) {
tmp = z;
} else if (y <= -3.6e-236) {
tmp = y * x;
} else if (y <= 6e-65) {
tmp = z;
} else {
tmp = y * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -9e-50: tmp = y * x elif y <= -4e-219: tmp = z elif y <= -3.6e-236: tmp = y * x elif y <= 6e-65: tmp = z else: tmp = y * x return tmp
function code(x, y, z) tmp = 0.0 if (y <= -9e-50) tmp = Float64(y * x); elseif (y <= -4e-219) tmp = z; elseif (y <= -3.6e-236) tmp = Float64(y * x); elseif (y <= 6e-65) tmp = z; else tmp = Float64(y * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -9e-50) tmp = y * x; elseif (y <= -4e-219) tmp = z; elseif (y <= -3.6e-236) tmp = y * x; elseif (y <= 6e-65) tmp = z; else tmp = y * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -9e-50], N[(y * x), $MachinePrecision], If[LessEqual[y, -4e-219], z, If[LessEqual[y, -3.6e-236], N[(y * x), $MachinePrecision], If[LessEqual[y, 6e-65], z, N[(y * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -9 \cdot 10^{-50}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -4 \cdot 10^{-219}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq -3.6 \cdot 10^{-236}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 6 \cdot 10^{-65}:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;y \cdot x\\
\end{array}
\end{array}
if y < -8.99999999999999924e-50 or -4.0000000000000001e-219 < y < -3.60000000000000008e-236 or 5.99999999999999996e-65 < y Initial program 98.0%
Taylor expanded in x around inf 54.4%
if -8.99999999999999924e-50 < y < -4.0000000000000001e-219 or -3.60000000000000008e-236 < y < 5.99999999999999996e-65Initial program 100.0%
Taylor expanded in y around 0 74.4%
Final simplification62.8%
(FPCore (x y z) :precision binary64 (if (or (<= z -1.65e-20) (not (<= z 3.4e+91))) (* z (- 1.0 y)) (* y (- x z))))
double code(double x, double y, double z) {
double tmp;
if ((z <= -1.65e-20) || !(z <= 3.4e+91)) {
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 <= (-1.65d-20)) .or. (.not. (z <= 3.4d+91))) 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 <= -1.65e-20) || !(z <= 3.4e+91)) {
tmp = z * (1.0 - y);
} else {
tmp = y * (x - z);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (z <= -1.65e-20) or not (z <= 3.4e+91): tmp = z * (1.0 - y) else: tmp = y * (x - z) return tmp
function code(x, y, z) tmp = 0.0 if ((z <= -1.65e-20) || !(z <= 3.4e+91)) 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 <= -1.65e-20) || ~((z <= 3.4e+91))) tmp = z * (1.0 - y); else tmp = y * (x - z); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[z, -1.65e-20], N[Not[LessEqual[z, 3.4e+91]], $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 -1.65 \cdot 10^{-20} \lor \neg \left(z \leq 3.4 \cdot 10^{+91}\right):\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \left(x - z\right)\\
\end{array}
\end{array}
if z < -1.65e-20 or 3.4000000000000001e91 < z Initial program 97.1%
Taylor expanded in x around 0 92.5%
if -1.65e-20 < z < 3.4000000000000001e91Initial program 100.0%
Taylor expanded in y around inf 78.3%
mul-1-neg78.3%
+-commutative78.3%
sub-neg78.3%
Simplified78.3%
Final simplification84.1%
(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 97.6%
Taylor expanded in y around inf 99.0%
mul-1-neg99.0%
+-commutative99.0%
sub-neg99.0%
Simplified99.0%
if -1 < y < 1Initial program 100.0%
+-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
*-lft-identity100.0%
associate-+l+100.0%
+-commutative100.0%
*-commutative100.0%
neg-mul-1100.0%
associate-*r*100.0%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
*-commutative100.0%
neg-mul-1100.0%
unsub-neg100.0%
Simplified100.0%
Taylor expanded in y around 0 100.0%
Taylor expanded in x around inf 99.1%
Final simplification99.1%
(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%
sub-neg98.8%
distribute-rgt-in98.8%
*-lft-identity98.8%
associate-+l+98.8%
+-commutative98.8%
*-commutative98.8%
neg-mul-198.8%
associate-*r*98.8%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
*-commutative100.0%
neg-mul-1100.0%
unsub-neg100.0%
Simplified100.0%
Taylor expanded in y around 0 100.0%
Final simplification100.0%
(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 35.5%
Final simplification35.5%
(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 2023214
(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))))