
(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 96.5%
distribute-lft-out--96.5%
*-rgt-identity96.5%
cancel-sign-sub-inv96.5%
+-commutative96.5%
associate-+r+96.5%
distribute-rgt-out100.0%
+-commutative100.0%
fma-define100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
(FPCore (x y z) :precision binary64 (if (<= y -3e+246) (* z (- y)) (if (or (<= y -0.345) (not (<= y 0.046))) (* y x) z)))
double code(double x, double y, double z) {
double tmp;
if (y <= -3e+246) {
tmp = z * -y;
} else if ((y <= -0.345) || !(y <= 0.046)) {
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 <= (-3d+246)) then
tmp = z * -y
else if ((y <= (-0.345d0)) .or. (.not. (y <= 0.046d0))) 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 <= -3e+246) {
tmp = z * -y;
} else if ((y <= -0.345) || !(y <= 0.046)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -3e+246: tmp = z * -y elif (y <= -0.345) or not (y <= 0.046): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if (y <= -3e+246) tmp = Float64(z * Float64(-y)); elseif ((y <= -0.345) || !(y <= 0.046)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -3e+246) tmp = z * -y; elseif ((y <= -0.345) || ~((y <= 0.046))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -3e+246], N[(z * (-y)), $MachinePrecision], If[Or[LessEqual[y, -0.345], N[Not[LessEqual[y, 0.046]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3 \cdot 10^{+246}:\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{elif}\;y \leq -0.345 \lor \neg \left(y \leq 0.046\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -3e246Initial program 84.6%
Taylor expanded in y around inf 100.0%
neg-mul-1100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 78.0%
associate-*r*78.0%
neg-mul-178.0%
*-commutative78.0%
Simplified78.0%
if -3e246 < y < -0.34499999999999997 or 0.045999999999999999 < y Initial program 93.7%
Taylor expanded in x around inf 61.5%
*-commutative61.5%
Simplified61.5%
if -0.34499999999999997 < y < 0.045999999999999999Initial program 100.0%
Taylor expanded in y around 0 75.1%
Final simplification69.3%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.5e+25) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.5e+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 <= (-1.5d+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 <= -1.5e+25) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.5e+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 <= -1.5e+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 <= -1.5e+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, -1.5e+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 -1.5 \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 < -1.50000000000000003e25 or 1 < y Initial program 92.5%
Taylor expanded in y around inf 98.9%
neg-mul-198.9%
sub-neg98.9%
Simplified98.9%
if -1.50000000000000003e25 < 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 98.1%
mul-1-neg98.1%
distribute-lft-neg-out98.1%
*-commutative98.1%
Simplified98.1%
*-commutative98.1%
cancel-sign-sub98.1%
+-commutative98.1%
*-commutative98.1%
Applied egg-rr98.1%
Final simplification98.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.345) (not (<= y 0.046))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.345) || !(y <= 0.046)) {
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 <= (-0.345d0)) .or. (.not. (y <= 0.046d0))) 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 <= -0.345) || !(y <= 0.046)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.345) or not (y <= 0.046): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.345) || !(y <= 0.046)) 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 <= -0.345) || ~((y <= 0.046))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.345], N[Not[LessEqual[y, 0.046]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.345 \lor \neg \left(y \leq 0.046\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -0.34499999999999997 or 0.045999999999999999 < y Initial program 92.8%
Taylor expanded in y around inf 98.9%
neg-mul-198.9%
sub-neg98.9%
Simplified98.9%
if -0.34499999999999997 < y < 0.045999999999999999Initial program 100.0%
Taylor expanded in y around 0 75.1%
Final simplification86.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -0.345) (not (<= y 0.046))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -0.345) || !(y <= 0.046)) {
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 <= (-0.345d0)) .or. (.not. (y <= 0.046d0))) 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 <= -0.345) || !(y <= 0.046)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -0.345) or not (y <= 0.046): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -0.345) || !(y <= 0.046)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -0.345) || ~((y <= 0.046))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -0.345], N[Not[LessEqual[y, 0.046]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.345 \lor \neg \left(y \leq 0.046\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -0.34499999999999997 or 0.045999999999999999 < y Initial program 92.8%
Taylor expanded in x around inf 59.2%
*-commutative59.2%
Simplified59.2%
if -0.34499999999999997 < y < 0.045999999999999999Initial program 100.0%
Taylor expanded in y around 0 75.1%
Final simplification67.3%
(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 96.5%
+-commutative96.5%
+-lft-identity96.5%
cancel-sign-sub96.5%
cancel-sign-sub96.5%
+-lft-identity96.5%
distribute-lft-out--96.5%
*-rgt-identity96.5%
associate-+l-96.5%
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 96.5%
Taylor expanded in y around 0 39.7%
(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 2024128
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(! :herbie-platform default (- z (* (- z x) y)))
(+ (* x y) (* z (- 1.0 y))))