
(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 98.8%
distribute-lft-out--98.8%
*-rgt-identity98.8%
cancel-sign-sub-inv98.8%
+-commutative98.8%
associate-+r+98.8%
+-commutative98.8%
distribute-rgt-out100.0%
fma-define100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -4.6e+119)
t_0
(if (<= y -9e-12)
(* y x)
(if (<= y 8.5e-17) z (if (<= y 2.8e+41) (* y x) t_0))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -4.6e+119) {
tmp = t_0;
} else if (y <= -9e-12) {
tmp = y * x;
} else if (y <= 8.5e-17) {
tmp = z;
} else if (y <= 2.8e+41) {
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 <= (-4.6d+119)) then
tmp = t_0
else if (y <= (-9d-12)) then
tmp = y * x
else if (y <= 8.5d-17) then
tmp = z
else if (y <= 2.8d+41) 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 <= -4.6e+119) {
tmp = t_0;
} else if (y <= -9e-12) {
tmp = y * x;
} else if (y <= 8.5e-17) {
tmp = z;
} else if (y <= 2.8e+41) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -4.6e+119: tmp = t_0 elif y <= -9e-12: tmp = y * x elif y <= 8.5e-17: tmp = z elif y <= 2.8e+41: 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 <= -4.6e+119) tmp = t_0; elseif (y <= -9e-12) tmp = Float64(y * x); elseif (y <= 8.5e-17) tmp = z; elseif (y <= 2.8e+41) 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 <= -4.6e+119) tmp = t_0; elseif (y <= -9e-12) tmp = y * x; elseif (y <= 8.5e-17) tmp = z; elseif (y <= 2.8e+41) 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, -4.6e+119], t$95$0, If[LessEqual[y, -9e-12], N[(y * x), $MachinePrecision], If[LessEqual[y, 8.5e-17], z, If[LessEqual[y, 2.8e+41], N[(y * x), $MachinePrecision], t$95$0]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -4.6 \cdot 10^{+119}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -9 \cdot 10^{-12}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 8.5 \cdot 10^{-17}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 2.8 \cdot 10^{+41}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -4.6000000000000001e119 or 2.7999999999999999e41 < y Initial program 96.6%
Taylor expanded in y around inf 100.0%
neg-mul-1100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 61.9%
associate-*r*61.9%
neg-mul-161.9%
*-commutative61.9%
Simplified61.9%
if -4.6000000000000001e119 < y < -8.99999999999999962e-12 or 8.5e-17 < y < 2.7999999999999999e41Initial program 100.0%
Taylor expanded in x around inf 65.2%
*-commutative65.2%
Simplified65.2%
if -8.99999999999999962e-12 < y < 8.5e-17Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 74.0%
Taylor expanded in y around 0 73.3%
Final simplification67.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.4) (not (<= y 0.00095))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.4) || !(y <= 0.00095)) {
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 <= (-2.4d0)) .or. (.not. (y <= 0.00095d0))) 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 <= -2.4) || !(y <= 0.00095)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.4) or not (y <= 0.00095): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.4) || !(y <= 0.00095)) 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 <= -2.4) || ~((y <= 0.00095))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.4], N[Not[LessEqual[y, 0.00095]], $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 -2.4 \lor \neg \left(y \leq 0.00095\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -2.39999999999999991 or 9.49999999999999998e-4 < y Initial program 97.6%
Taylor expanded in y around inf 98.4%
neg-mul-198.4%
sub-neg98.4%
Simplified98.4%
if -2.39999999999999991 < y < 9.49999999999999998e-4Initial program 100.0%
Taylor expanded in y around 0 99.3%
Final simplification98.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.06e-10) (not (<= y 4.6e-11))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.06e-10) || !(y <= 4.6e-11)) {
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 <= (-2.06d-10)) .or. (.not. (y <= 4.6d-11))) 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 <= -2.06e-10) || !(y <= 4.6e-11)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.06e-10) or not (y <= 4.6e-11): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.06e-10) || !(y <= 4.6e-11)) 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 <= -2.06e-10) || ~((y <= 4.6e-11))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.06e-10], N[Not[LessEqual[y, 4.6e-11]], $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 -2.06 \cdot 10^{-10} \lor \neg \left(y \leq 4.6 \cdot 10^{-11}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -2.0600000000000001e-10 or 4.60000000000000027e-11 < y Initial program 97.7%
Taylor expanded in y around inf 97.7%
neg-mul-197.7%
sub-neg97.7%
Simplified97.7%
if -2.0600000000000001e-10 < y < 4.60000000000000027e-11Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 74.4%
Taylor expanded in x around 0 47.5%
sub-neg47.5%
distribute-rgt-in47.6%
*-rgt-identity47.6%
associate-*l/47.6%
associate-*r/47.5%
associate-*l*73.0%
lft-mult-inverse73.1%
distribute-lft-neg-in73.1%
distribute-rgt-neg-out73.1%
distribute-lft-in73.1%
sub-neg73.1%
Simplified73.1%
Final simplification85.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -4.3e-12) (not (<= y 2.6e-17))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -4.3e-12) || !(y <= 2.6e-17)) {
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 <= (-4.3d-12)) .or. (.not. (y <= 2.6d-17))) 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 <= -4.3e-12) || !(y <= 2.6e-17)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -4.3e-12) or not (y <= 2.6e-17): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -4.3e-12) || !(y <= 2.6e-17)) 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 <= -4.3e-12) || ~((y <= 2.6e-17))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -4.3e-12], N[Not[LessEqual[y, 2.6e-17]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -4.3 \cdot 10^{-12} \lor \neg \left(y \leq 2.6 \cdot 10^{-17}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -4.29999999999999985e-12 or 2.60000000000000003e-17 < y Initial program 97.7%
Taylor expanded in y around inf 97.0%
neg-mul-197.0%
sub-neg97.0%
Simplified97.0%
if -4.29999999999999985e-12 < y < 2.60000000000000003e-17Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 74.0%
Taylor expanded in y around 0 73.3%
Final simplification85.6%
(FPCore (x y z) :precision binary64 (if (or (<= y -6e-10) (not (<= y 7.4e-17))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -6e-10) || !(y <= 7.4e-17)) {
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 <= (-6d-10)) .or. (.not. (y <= 7.4d-17))) 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 <= -6e-10) || !(y <= 7.4e-17)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -6e-10) or not (y <= 7.4e-17): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -6e-10) || !(y <= 7.4e-17)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -6e-10) || ~((y <= 7.4e-17))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -6e-10], N[Not[LessEqual[y, 7.4e-17]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -6 \cdot 10^{-10} \lor \neg \left(y \leq 7.4 \cdot 10^{-17}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -6e-10 or 7.3999999999999995e-17 < y Initial program 97.7%
Taylor expanded in x around inf 50.7%
*-commutative50.7%
Simplified50.7%
if -6e-10 < y < 7.3999999999999995e-17Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 74.0%
Taylor expanded in y around 0 73.3%
Final simplification61.5%
(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 98.8%
+-commutative98.8%
distribute-lft-out--98.8%
*-rgt-identity98.8%
cancel-sign-sub-inv98.8%
+-commutative98.8%
+-commutative98.8%
associate-+l+98.8%
distribute-lft-neg-out98.8%
remove-double-neg98.8%
distribute-rgt-neg-out98.8%
distribute-neg-out98.8%
sub-neg98.8%
distribute-rgt-neg-out98.8%
sub-neg98.8%
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 98.8%
+-commutative98.8%
distribute-lft-out--98.8%
*-rgt-identity98.8%
cancel-sign-sub-inv98.8%
+-commutative98.8%
+-commutative98.8%
associate-+l+98.8%
distribute-lft-neg-out98.8%
remove-double-neg98.8%
distribute-rgt-neg-out98.8%
distribute-neg-out98.8%
sub-neg98.8%
distribute-rgt-neg-out98.8%
sub-neg98.8%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 87.5%
Taylor expanded in y around 0 37.4%
(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 2024150
(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))))