
(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%
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 -4.5e+209)
(* y x)
(if (<= y -2.35e+64)
t_0
(if (<= y -1.35e-22)
(* y x)
(if (<= y 1e-8) z (if (<= y 1.32e+184) (* y x) t_0)))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -4.5e+209) {
tmp = y * x;
} else if (y <= -2.35e+64) {
tmp = t_0;
} else if (y <= -1.35e-22) {
tmp = y * x;
} else if (y <= 1e-8) {
tmp = z;
} else if (y <= 1.32e+184) {
tmp = y * x;
} 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 <= (-4.5d+209)) then
tmp = y * x
else if (y <= (-2.35d+64)) then
tmp = t_0
else if (y <= (-1.35d-22)) then
tmp = y * x
else if (y <= 1d-8) then
tmp = z
else if (y <= 1.32d+184) then
tmp = y * x
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 <= -4.5e+209) {
tmp = y * x;
} else if (y <= -2.35e+64) {
tmp = t_0;
} else if (y <= -1.35e-22) {
tmp = y * x;
} else if (y <= 1e-8) {
tmp = z;
} else if (y <= 1.32e+184) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -4.5e+209: tmp = y * x elif y <= -2.35e+64: tmp = t_0 elif y <= -1.35e-22: tmp = y * x elif y <= 1e-8: tmp = z elif y <= 1.32e+184: tmp = y * x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -4.5e+209) tmp = Float64(y * x); elseif (y <= -2.35e+64) tmp = t_0; elseif (y <= -1.35e-22) tmp = Float64(y * x); elseif (y <= 1e-8) tmp = z; elseif (y <= 1.32e+184) tmp = Float64(y * x); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (y <= -4.5e+209) tmp = y * x; elseif (y <= -2.35e+64) tmp = t_0; elseif (y <= -1.35e-22) tmp = y * x; elseif (y <= 1e-8) tmp = z; elseif (y <= 1.32e+184) tmp = y * x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[y, -4.5e+209], N[(y * x), $MachinePrecision], If[LessEqual[y, -2.35e+64], t$95$0, If[LessEqual[y, -1.35e-22], N[(y * x), $MachinePrecision], If[LessEqual[y, 1e-8], z, If[LessEqual[y, 1.32e+184], N[(y * x), $MachinePrecision], t$95$0]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -4.5 \cdot 10^{+209}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -2.35 \cdot 10^{+64}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -1.35 \cdot 10^{-22}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 10^{-8}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 1.32 \cdot 10^{+184}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -4.5000000000000003e209 or -2.35000000000000015e64 < y < -1.3500000000000001e-22 or 1e-8 < y < 1.32000000000000004e184Initial program 93.6%
Taylor expanded in x around inf 66.3%
*-commutative66.3%
Simplified66.3%
if -4.5000000000000003e209 < y < -2.35000000000000015e64 or 1.32000000000000004e184 < y Initial program 98.1%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 66.4%
associate-*r*66.4%
neg-mul-166.4%
*-commutative66.4%
Simplified66.4%
if -1.3500000000000001e-22 < y < 1e-8Initial program 100.0%
Taylor expanded in y around 0 72.8%
Final simplification69.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -8.5e+25) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -8.5e+25) || !(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 <= (-8.5d+25)) .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 <= -8.5e+25) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -8.5e+25) 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 <= -8.5e+25) || !(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 <= -8.5e+25) || ~((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, -8.5e+25], 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 -8.5 \cdot 10^{+25} \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 < -8.5000000000000007e25 or 1 < y Initial program 95.1%
Taylor expanded in y around inf 99.1%
mul-1-neg99.1%
sub-neg99.1%
Simplified99.1%
if -8.5000000000000007e25 < 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 99.7%
mul-1-neg99.7%
distribute-lft-neg-out99.7%
*-commutative99.7%
Simplified99.7%
sub-neg99.7%
+-commutative99.7%
distribute-rgt-neg-out99.7%
remove-double-neg99.7%
*-commutative99.7%
Applied egg-rr99.7%
Final simplification99.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -7.5e-27) (not (<= y 18000000000000.0))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -7.5e-27) || !(y <= 18000000000000.0)) {
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 <= (-7.5d-27)) .or. (.not. (y <= 18000000000000.0d0))) 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 <= -7.5e-27) || !(y <= 18000000000000.0)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -7.5e-27) or not (y <= 18000000000000.0): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -7.5e-27) || !(y <= 18000000000000.0)) 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 <= -7.5e-27) || ~((y <= 18000000000000.0))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -7.5e-27], N[Not[LessEqual[y, 18000000000000.0]], $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 -7.5 \cdot 10^{-27} \lor \neg \left(y \leq 18000000000000\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -7.50000000000000029e-27 or 1.8e13 < y Initial program 95.3%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
if -7.50000000000000029e-27 < y < 1.8e13Initial program 100.0%
Taylor expanded in x around 0 73.4%
Final simplification86.6%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.35e-26) (not (<= y 1e-8))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.35e-26) || !(y <= 1e-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 <= (-2.35d-26)) .or. (.not. (y <= 1d-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 <= -2.35e-26) || !(y <= 1e-8)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.35e-26) or not (y <= 1e-8): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.35e-26) || !(y <= 1e-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 <= -2.35e-26) || ~((y <= 1e-8))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.35e-26], N[Not[LessEqual[y, 1e-8]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.35 \cdot 10^{-26} \lor \neg \left(y \leq 10^{-8}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.34999999999999995e-26 or 1e-8 < y Initial program 95.4%
Taylor expanded in y around inf 99.2%
mul-1-neg99.2%
sub-neg99.2%
Simplified99.2%
if -2.34999999999999995e-26 < y < 1e-8Initial program 100.0%
Taylor expanded in y around 0 72.8%
Final simplification86.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.5e-25) (not (<= y 6e-11))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.5e-25) || !(y <= 6e-11)) {
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 <= (-1.5d-25)) .or. (.not. (y <= 6d-11))) 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 <= -1.5e-25) || !(y <= 6e-11)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.5e-25) or not (y <= 6e-11): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.5e-25) || !(y <= 6e-11)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.5e-25) || ~((y <= 6e-11))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.5e-25], N[Not[LessEqual[y, 6e-11]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.5 \cdot 10^{-25} \lor \neg \left(y \leq 6 \cdot 10^{-11}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.4999999999999999e-25 or 6e-11 < y Initial program 95.4%
Taylor expanded in x around inf 55.7%
*-commutative55.7%
Simplified55.7%
if -1.4999999999999999e-25 < y < 6e-11Initial program 100.0%
Taylor expanded in y around 0 72.8%
Final simplification64.0%
(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 36.7%
(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 2024087
(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))))