
(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 (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 96.9%
distribute-lft-out--96.9%
*-rgt-identity96.9%
cancel-sign-sub-inv96.9%
+-commutative96.9%
associate-+r+96.8%
distribute-rgt-out100.0%
+-commutative100.0%
fma-define100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -7.6e+227)
(* y x)
(if (<= y -6e+74)
t_0
(if (<= y -3.5e-61) (* y x) (if (<= y 2.95e-24) z t_0))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -7.6e+227) {
tmp = y * x;
} else if (y <= -6e+74) {
tmp = t_0;
} else if (y <= -3.5e-61) {
tmp = y * x;
} else if (y <= 2.95e-24) {
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 * -z
if (y <= (-7.6d+227)) then
tmp = y * x
else if (y <= (-6d+74)) then
tmp = t_0
else if (y <= (-3.5d-61)) then
tmp = y * x
else if (y <= 2.95d-24) 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 * -z;
double tmp;
if (y <= -7.6e+227) {
tmp = y * x;
} else if (y <= -6e+74) {
tmp = t_0;
} else if (y <= -3.5e-61) {
tmp = y * x;
} else if (y <= 2.95e-24) {
tmp = z;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -7.6e+227: tmp = y * x elif y <= -6e+74: tmp = t_0 elif y <= -3.5e-61: tmp = y * x elif y <= 2.95e-24: tmp = z else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -7.6e+227) tmp = Float64(y * x); elseif (y <= -6e+74) tmp = t_0; elseif (y <= -3.5e-61) tmp = Float64(y * x); elseif (y <= 2.95e-24) tmp = z; else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (y <= -7.6e+227) tmp = y * x; elseif (y <= -6e+74) tmp = t_0; elseif (y <= -3.5e-61) tmp = y * x; elseif (y <= 2.95e-24) tmp = z; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[y, -7.6e+227], N[(y * x), $MachinePrecision], If[LessEqual[y, -6e+74], t$95$0, If[LessEqual[y, -3.5e-61], N[(y * x), $MachinePrecision], If[LessEqual[y, 2.95e-24], z, t$95$0]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -7.6 \cdot 10^{+227}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -6 \cdot 10^{+74}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -3.5 \cdot 10^{-61}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 2.95 \cdot 10^{-24}:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -7.60000000000000071e227 or -6e74 < y < -3.5000000000000003e-61Initial program 93.4%
Taylor expanded in x around inf 71.2%
*-commutative71.2%
Simplified71.2%
if -7.60000000000000071e227 < y < -6e74 or 2.9500000000000001e-24 < y Initial program 94.6%
Taylor expanded in y around inf 99.3%
mul-1-neg99.3%
sub-neg99.3%
Simplified99.3%
Taylor expanded in x around 0 63.6%
mul-1-neg63.6%
*-commutative63.6%
distribute-rgt-neg-in63.6%
Simplified63.6%
if -3.5000000000000003e-61 < y < 2.9500000000000001e-24Initial program 100.0%
Taylor expanded in y around 0 76.4%
Final simplification70.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 2.95e-24))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 2.95e-24)) {
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 <= 2.95d-24))) 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 <= 2.95e-24)) {
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 <= 2.95e-24): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(y <= 2.95e-24)) 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 <= 2.95e-24))) 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, 2.95e-24]], $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 2.95 \cdot 10^{-24}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -1 or 2.9500000000000001e-24 < y Initial program 93.7%
Taylor expanded in y around inf 98.1%
mul-1-neg98.1%
sub-neg98.1%
Simplified98.1%
if -1 < y < 2.9500000000000001e-24Initial 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 99.8%
mul-1-neg99.8%
distribute-lft-neg-out99.8%
*-commutative99.8%
Simplified99.8%
*-commutative99.8%
cancel-sign-sub99.8%
*-commutative99.8%
+-commutative99.8%
Applied egg-rr99.8%
Final simplification99.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -4.7e-64) (not (<= y 5.2e-83))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -4.7e-64) || !(y <= 5.2e-83)) {
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 <= (-4.7d-64)) .or. (.not. (y <= 5.2d-83))) 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 <= -4.7e-64) || !(y <= 5.2e-83)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -4.7e-64) or not (y <= 5.2e-83): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -4.7e-64) || !(y <= 5.2e-83)) 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 <= -4.7e-64) || ~((y <= 5.2e-83))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -4.7e-64], N[Not[LessEqual[y, 5.2e-83]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.7 \cdot 10^{-64} \lor \neg \left(y \leq 5.2 \cdot 10^{-83}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -4.6999999999999998e-64 or 5.20000000000000018e-83 < y Initial program 94.8%
Taylor expanded in y around inf 91.7%
mul-1-neg91.7%
sub-neg91.7%
Simplified91.7%
if -4.6999999999999998e-64 < y < 5.20000000000000018e-83Initial program 100.0%
Taylor expanded in y around 0 79.7%
Final simplification86.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -3.9e-64) (not (<= y 4.4e-83))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3.9e-64) || !(y <= 4.4e-83)) {
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 <= (-3.9d-64)) .or. (.not. (y <= 4.4d-83))) 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 <= -3.9e-64) || !(y <= 4.4e-83)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3.9e-64) or not (y <= 4.4e-83): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3.9e-64) || !(y <= 4.4e-83)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -3.9e-64) || ~((y <= 4.4e-83))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3.9e-64], N[Not[LessEqual[y, 4.4e-83]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.9 \cdot 10^{-64} \lor \neg \left(y \leq 4.4 \cdot 10^{-83}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -3.8999999999999997e-64 or 4.40000000000000015e-83 < y Initial program 94.8%
Taylor expanded in x around inf 51.9%
*-commutative51.9%
Simplified51.9%
if -3.8999999999999997e-64 < y < 4.40000000000000015e-83Initial program 100.0%
Taylor expanded in y around 0 79.7%
Final simplification63.1%
(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 96.9%
+-commutative96.9%
+-lft-identity96.9%
cancel-sign-sub96.9%
cancel-sign-sub96.9%
+-lft-identity96.9%
distribute-lft-out--96.9%
*-rgt-identity96.9%
associate-+l-96.8%
distribute-rgt-out--100.0%
Simplified100.0%
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 96.9%
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 2024085
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(- z (* (- z x) y))
(+ (* x y) (* z (- 1.0 y))))