
(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 97.6%
distribute-lft-out--97.6%
*-rgt-identity97.6%
cancel-sign-sub-inv97.6%
+-commutative97.6%
associate-+r+97.6%
+-commutative97.6%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= y -8.8e-104)
(* y x)
(if (<= y 1.0)
z
(if (or (<= y 1.7e+91) (not (<= y 3e+197))) (* y (- z)) (* y x)))))
double code(double x, double y, double z) {
double tmp;
if (y <= -8.8e-104) {
tmp = y * x;
} else if (y <= 1.0) {
tmp = z;
} else if ((y <= 1.7e+91) || !(y <= 3e+197)) {
tmp = y * -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 <= (-8.8d-104)) then
tmp = y * x
else if (y <= 1.0d0) then
tmp = z
else if ((y <= 1.7d+91) .or. (.not. (y <= 3d+197))) then
tmp = y * -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 <= -8.8e-104) {
tmp = y * x;
} else if (y <= 1.0) {
tmp = z;
} else if ((y <= 1.7e+91) || !(y <= 3e+197)) {
tmp = y * -z;
} else {
tmp = y * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -8.8e-104: tmp = y * x elif y <= 1.0: tmp = z elif (y <= 1.7e+91) or not (y <= 3e+197): tmp = y * -z else: tmp = y * x return tmp
function code(x, y, z) tmp = 0.0 if (y <= -8.8e-104) tmp = Float64(y * x); elseif (y <= 1.0) tmp = z; elseif ((y <= 1.7e+91) || !(y <= 3e+197)) tmp = Float64(y * Float64(-z)); else tmp = Float64(y * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -8.8e-104) tmp = y * x; elseif (y <= 1.0) tmp = z; elseif ((y <= 1.7e+91) || ~((y <= 3e+197))) tmp = y * -z; else tmp = y * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -8.8e-104], N[(y * x), $MachinePrecision], If[LessEqual[y, 1.0], z, If[Or[LessEqual[y, 1.7e+91], N[Not[LessEqual[y, 3e+197]], $MachinePrecision]], N[(y * (-z)), $MachinePrecision], N[(y * x), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -8.8 \cdot 10^{-104}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 1:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 1.7 \cdot 10^{+91} \lor \neg \left(y \leq 3 \cdot 10^{+197}\right):\\
\;\;\;\;y \cdot \left(-z\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot x\\
\end{array}
\end{array}
if y < -8.80000000000000047e-104 or 1.7e91 < y < 3.0000000000000002e197Initial program 97.9%
Taylor expanded in x around inf 60.7%
*-commutative60.7%
Simplified60.7%
if -8.80000000000000047e-104 < y < 1Initial program 100.0%
Taylor expanded in y around 0 75.6%
if 1 < y < 1.7e91 or 3.0000000000000002e197 < y Initial program 89.7%
Taylor expanded in x around 0 72.0%
Taylor expanded in y around inf 69.3%
mul-1-neg69.3%
distribute-lft-neg-out69.3%
*-commutative69.3%
Simplified69.3%
Final simplification68.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -7e-104) (not (<= y 5.4e-6))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -7e-104) || !(y <= 5.4e-6)) {
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 <= (-7d-104)) .or. (.not. (y <= 5.4d-6))) 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 <= -7e-104) || !(y <= 5.4e-6)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -7e-104) or not (y <= 5.4e-6): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -7e-104) || !(y <= 5.4e-6)) 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 <= -7e-104) || ~((y <= 5.4e-6))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -7e-104], N[Not[LessEqual[y, 5.4e-6]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -7 \cdot 10^{-104} \lor \neg \left(y \leq 5.4 \cdot 10^{-6}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -7.00000000000000057e-104 or 5.39999999999999997e-6 < y Initial program 95.6%
Taylor expanded in y around inf 91.5%
mul-1-neg91.5%
sub-neg91.5%
Simplified91.5%
if -7.00000000000000057e-104 < y < 5.39999999999999997e-6Initial program 100.0%
Taylor expanded in y around 0 75.6%
Final simplification84.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -8e-104) (not (<= y 42000000000000.0))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -8e-104) || !(y <= 42000000000000.0)) {
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 <= (-8d-104)) .or. (.not. (y <= 42000000000000.0d0))) 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 <= -8e-104) || !(y <= 42000000000000.0)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -8e-104) or not (y <= 42000000000000.0): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -8e-104) || !(y <= 42000000000000.0)) 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 <= -8e-104) || ~((y <= 42000000000000.0))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -8e-104], N[Not[LessEqual[y, 42000000000000.0]], $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 -8 \cdot 10^{-104} \lor \neg \left(y \leq 42000000000000\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -7.99999999999999941e-104 or 4.2e13 < y Initial program 95.5%
Taylor expanded in y around inf 92.1%
mul-1-neg92.1%
sub-neg92.1%
Simplified92.1%
if -7.99999999999999941e-104 < y < 4.2e13Initial program 100.0%
Taylor expanded in x around 0 77.0%
Final simplification84.9%
(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 94.7%
Taylor expanded in y around inf 98.5%
mul-1-neg98.5%
sub-neg98.5%
Simplified98.5%
if -1 < y < 1Initial program 99.9%
+-commutative99.9%
+-lft-identity99.9%
cancel-sign-sub99.9%
cancel-sign-sub99.9%
+-lft-identity99.9%
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 99.1%
mul-1-neg99.1%
distribute-lft-neg-out99.1%
*-commutative99.1%
Simplified99.1%
sub-neg99.1%
+-commutative99.1%
distribute-rgt-neg-out99.1%
remove-double-neg99.1%
Applied egg-rr99.1%
Final simplification98.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -9e-104) (not (<= y 3.6e-6))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -9e-104) || !(y <= 3.6e-6)) {
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 <= (-9d-104)) .or. (.not. (y <= 3.6d-6))) 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 <= -9e-104) || !(y <= 3.6e-6)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -9e-104) or not (y <= 3.6e-6): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -9e-104) || !(y <= 3.6e-6)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -9e-104) || ~((y <= 3.6e-6))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -9e-104], N[Not[LessEqual[y, 3.6e-6]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -9 \cdot 10^{-104} \lor \neg \left(y \leq 3.6 \cdot 10^{-6}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -8.9999999999999995e-104 or 3.59999999999999984e-6 < y Initial program 95.6%
Taylor expanded in x around inf 52.8%
*-commutative52.8%
Simplified52.8%
if -8.9999999999999995e-104 < y < 3.59999999999999984e-6Initial program 100.0%
Taylor expanded in y around 0 75.6%
Final simplification63.4%
(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 97.6%
+-commutative97.6%
+-lft-identity97.6%
cancel-sign-sub97.6%
cancel-sign-sub97.6%
+-lft-identity97.6%
distribute-lft-out--97.6%
*-rgt-identity97.6%
associate-+l-97.6%
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 97.6%
Taylor expanded in y around 0 39.9%
Final simplification39.9%
(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 2024027
(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))))