
(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 98.0%
distribute-lft-out--98.0%
*-rgt-identity98.0%
cancel-sign-sub-inv98.0%
+-commutative98.0%
associate-+r+98.0%
+-commutative98.0%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -5.6e+231)
(* y x)
(if (<= y -1.1e+209)
t_0
(if (<= y -5.6e+125)
(* y x)
(if (<= y -7.2e+59)
t_0
(if (<= y -1.1e-6) (* y x) (if (<= y 1.0) z t_0))))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -5.6e+231) {
tmp = y * x;
} else if (y <= -1.1e+209) {
tmp = t_0;
} else if (y <= -5.6e+125) {
tmp = y * x;
} else if (y <= -7.2e+59) {
tmp = t_0;
} else if (y <= -1.1e-6) {
tmp = y * x;
} else if (y <= 1.0) {
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 <= (-5.6d+231)) then
tmp = y * x
else if (y <= (-1.1d+209)) then
tmp = t_0
else if (y <= (-5.6d+125)) then
tmp = y * x
else if (y <= (-7.2d+59)) then
tmp = t_0
else if (y <= (-1.1d-6)) then
tmp = y * x
else if (y <= 1.0d0) 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 <= -5.6e+231) {
tmp = y * x;
} else if (y <= -1.1e+209) {
tmp = t_0;
} else if (y <= -5.6e+125) {
tmp = y * x;
} else if (y <= -7.2e+59) {
tmp = t_0;
} else if (y <= -1.1e-6) {
tmp = y * x;
} else if (y <= 1.0) {
tmp = z;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -5.6e+231: tmp = y * x elif y <= -1.1e+209: tmp = t_0 elif y <= -5.6e+125: tmp = y * x elif y <= -7.2e+59: tmp = t_0 elif y <= -1.1e-6: tmp = y * x elif y <= 1.0: tmp = z else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -5.6e+231) tmp = Float64(y * x); elseif (y <= -1.1e+209) tmp = t_0; elseif (y <= -5.6e+125) tmp = Float64(y * x); elseif (y <= -7.2e+59) tmp = t_0; elseif (y <= -1.1e-6) tmp = Float64(y * x); elseif (y <= 1.0) 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 <= -5.6e+231) tmp = y * x; elseif (y <= -1.1e+209) tmp = t_0; elseif (y <= -5.6e+125) tmp = y * x; elseif (y <= -7.2e+59) tmp = t_0; elseif (y <= -1.1e-6) tmp = y * x; elseif (y <= 1.0) 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, -5.6e+231], N[(y * x), $MachinePrecision], If[LessEqual[y, -1.1e+209], t$95$0, If[LessEqual[y, -5.6e+125], N[(y * x), $MachinePrecision], If[LessEqual[y, -7.2e+59], t$95$0, If[LessEqual[y, -1.1e-6], N[(y * x), $MachinePrecision], If[LessEqual[y, 1.0], z, t$95$0]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -5.6 \cdot 10^{+231}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -1.1 \cdot 10^{+209}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -5.6 \cdot 10^{+125}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -7.2 \cdot 10^{+59}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -1.1 \cdot 10^{-6}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 1:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
if y < -5.6e231 or -1.0999999999999999e209 < y < -5.6000000000000002e125 or -7.1999999999999997e59 < y < -1.1000000000000001e-6Initial program 98.0%
Taylor expanded in x around inf 70.0%
*-commutative70.0%
Simplified70.0%
if -5.6e231 < y < -1.0999999999999999e209 or -5.6000000000000002e125 < y < -7.1999999999999997e59 or 1 < y Initial program 95.1%
Taylor expanded in y around inf 98.6%
mul-1-neg98.6%
sub-neg98.6%
Simplified98.6%
Taylor expanded in x around 0 70.6%
mul-1-neg70.6%
*-commutative70.6%
distribute-rgt-neg-in70.6%
Simplified70.6%
if -1.1000000000000001e-6 < y < 1Initial program 100.0%
Taylor expanded in y around 0 69.0%
Final simplification69.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -7.8e-7) (not (<= y 4.8e-27))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -7.8e-7) || !(y <= 4.8e-27)) {
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 <= (-7.8d-7)) .or. (.not. (y <= 4.8d-27))) 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 <= -7.8e-7) || !(y <= 4.8e-27)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -7.8e-7) or not (y <= 4.8e-27): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -7.8e-7) || !(y <= 4.8e-27)) 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 <= -7.8e-7) || ~((y <= 4.8e-27))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -7.8e-7], N[Not[LessEqual[y, 4.8e-27]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -7.8 \cdot 10^{-7} \lor \neg \left(y \leq 4.8 \cdot 10^{-27}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -7.80000000000000049e-7 or 4.80000000000000004e-27 < y Initial program 96.4%
Taylor expanded in y around inf 94.5%
mul-1-neg94.5%
sub-neg94.5%
Simplified94.5%
if -7.80000000000000049e-7 < y < 4.80000000000000004e-27Initial program 99.9%
Taylor expanded in y around 0 72.4%
Final simplification84.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.00062) (not (<= y 1200000.0))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.00062) || !(y <= 1200000.0)) {
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 <= (-0.00062d0)) .or. (.not. (y <= 1200000.0d0))) 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 <= -0.00062) || !(y <= 1200000.0)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.00062) or not (y <= 1200000.0): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.00062) || !(y <= 1200000.0)) 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 <= -0.00062) || ~((y <= 1200000.0))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.00062], N[Not[LessEqual[y, 1200000.0]], $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 -0.00062 \lor \neg \left(y \leq 1200000\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -6.2e-4 or 1.2e6 < y Initial program 96.1%
Taylor expanded in y around inf 98.7%
mul-1-neg98.7%
sub-neg98.7%
Simplified98.7%
if -6.2e-4 < y < 1.2e6Initial program 100.0%
Taylor expanded in x around 0 71.8%
Final simplification85.3%
(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 96.1%
Taylor expanded in y around inf 97.9%
mul-1-neg97.9%
sub-neg97.9%
Simplified97.9%
if -1 < y < 1Initial program 100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
associate-+r+100.0%
+-commutative100.0%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
fma-udef100.0%
Applied egg-rr100.0%
flip--55.8%
associate-*r/55.8%
Applied egg-rr55.8%
associate-/l*55.7%
difference-of-squares56.1%
associate-/r*99.8%
*-inverses99.8%
Simplified99.8%
Taylor expanded in x around inf 97.4%
associate-/r/97.5%
/-rgt-identity97.5%
Applied egg-rr97.5%
Final simplification97.7%
(FPCore (x y z) :precision binary64 (if (<= y -1e-6) (* y x) (if (<= y 6e-41) z (* y x))))
double code(double x, double y, double z) {
double tmp;
if (y <= -1e-6) {
tmp = y * x;
} else if (y <= 6e-41) {
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 <= (-1d-6)) then
tmp = y * x
else if (y <= 6d-41) 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 <= -1e-6) {
tmp = y * x;
} else if (y <= 6e-41) {
tmp = z;
} else {
tmp = y * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -1e-6: tmp = y * x elif y <= 6e-41: tmp = z else: tmp = y * x return tmp
function code(x, y, z) tmp = 0.0 if (y <= -1e-6) tmp = Float64(y * x); elseif (y <= 6e-41) tmp = z; else tmp = Float64(y * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -1e-6) tmp = y * x; elseif (y <= 6e-41) tmp = z; else tmp = y * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -1e-6], N[(y * x), $MachinePrecision], If[LessEqual[y, 6e-41], z, N[(y * x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \cdot 10^{-6}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 6 \cdot 10^{-41}:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;y \cdot x\\
\end{array}
\end{array}
if y < -9.99999999999999955e-7 or 5.99999999999999978e-41 < y Initial program 96.5%
Taylor expanded in x around inf 47.4%
*-commutative47.4%
Simplified47.4%
if -9.99999999999999955e-7 < y < 5.99999999999999978e-41Initial program 99.9%
Taylor expanded in y around 0 73.2%
Final simplification58.8%
(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 98.0%
distribute-lft-out--98.0%
*-rgt-identity98.0%
cancel-sign-sub-inv98.0%
+-commutative98.0%
associate-+r+98.0%
+-commutative98.0%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
fma-udef100.0%
Applied egg-rr100.0%
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 98.0%
Taylor expanded in y around 0 35.6%
Final simplification35.6%
(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 2023290
(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))))