
(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%
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 -6.5e+193)
(* y x)
(if (<= y -3.7e+109)
t_0
(if (<= y -2.9e-89)
(* y x)
(if (<= y 1.0) z (if (<= y 1.36e+250) t_0 (* y x))))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -6.5e+193) {
tmp = y * x;
} else if (y <= -3.7e+109) {
tmp = t_0;
} else if (y <= -2.9e-89) {
tmp = y * x;
} else if (y <= 1.0) {
tmp = z;
} else if (y <= 1.36e+250) {
tmp = t_0;
} 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) :: t_0
real(8) :: tmp
t_0 = y * -z
if (y <= (-6.5d+193)) then
tmp = y * x
else if (y <= (-3.7d+109)) then
tmp = t_0
else if (y <= (-2.9d-89)) then
tmp = y * x
else if (y <= 1.0d0) then
tmp = z
else if (y <= 1.36d+250) then
tmp = t_0
else
tmp = y * x
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 <= -6.5e+193) {
tmp = y * x;
} else if (y <= -3.7e+109) {
tmp = t_0;
} else if (y <= -2.9e-89) {
tmp = y * x;
} else if (y <= 1.0) {
tmp = z;
} else if (y <= 1.36e+250) {
tmp = t_0;
} else {
tmp = y * x;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -6.5e+193: tmp = y * x elif y <= -3.7e+109: tmp = t_0 elif y <= -2.9e-89: tmp = y * x elif y <= 1.0: tmp = z elif y <= 1.36e+250: tmp = t_0 else: tmp = y * x return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -6.5e+193) tmp = Float64(y * x); elseif (y <= -3.7e+109) tmp = t_0; elseif (y <= -2.9e-89) tmp = Float64(y * x); elseif (y <= 1.0) tmp = z; elseif (y <= 1.36e+250) tmp = t_0; else tmp = Float64(y * x); end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (y <= -6.5e+193) tmp = y * x; elseif (y <= -3.7e+109) tmp = t_0; elseif (y <= -2.9e-89) tmp = y * x; elseif (y <= 1.0) tmp = z; elseif (y <= 1.36e+250) tmp = t_0; else tmp = y * x; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[y, -6.5e+193], N[(y * x), $MachinePrecision], If[LessEqual[y, -3.7e+109], t$95$0, If[LessEqual[y, -2.9e-89], N[(y * x), $MachinePrecision], If[LessEqual[y, 1.0], z, If[LessEqual[y, 1.36e+250], t$95$0, N[(y * x), $MachinePrecision]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -6.5 \cdot 10^{+193}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -3.7 \cdot 10^{+109}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -2.9 \cdot 10^{-89}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 1:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 1.36 \cdot 10^{+250}:\\
\;\;\;\;t\_0\\
\mathbf{else}:\\
\;\;\;\;y \cdot x\\
\end{array}
\end{array}
if y < -6.4999999999999997e193 or -3.7000000000000002e109 < y < -2.89999999999999992e-89 or 1.36000000000000005e250 < y Initial program 95.3%
Taylor expanded in x around inf 64.5%
*-commutative64.5%
Simplified64.5%
if -6.4999999999999997e193 < y < -3.7000000000000002e109 or 1 < y < 1.36000000000000005e250Initial program 98.5%
Taylor expanded in y around inf 99.7%
neg-mul-199.7%
sub-neg99.7%
Simplified99.7%
Taylor expanded in x around 0 66.0%
neg-mul-166.0%
Simplified66.0%
if -2.89999999999999992e-89 < y < 1Initial program 100.0%
Taylor expanded in y around 0 75.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -135.0) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -135.0) || !(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 <= (-135.0d0)) .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 <= -135.0) || !(y <= 1.0)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -135.0) 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 <= -135.0) || !(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 <= -135.0) || ~((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, -135.0], 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 -135 \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 < -135 or 1 < y Initial program 96.1%
Taylor expanded in y around inf 99.3%
neg-mul-199.3%
sub-neg99.3%
Simplified99.3%
if -135 < 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 98.0%
mul-1-neg98.0%
distribute-lft-neg-out98.0%
*-commutative98.0%
Simplified98.0%
sub-neg98.0%
distribute-rgt-neg-out98.0%
remove-double-neg98.0%
+-commutative98.0%
*-commutative98.0%
Applied egg-rr98.0%
Final simplification98.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.9e-89) (not (<= y 2e-10))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.9e-89) || !(y <= 2e-10)) {
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 <= (-2.9d-89)) .or. (.not. (y <= 2d-10))) 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 <= -2.9e-89) || !(y <= 2e-10)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.9e-89) or not (y <= 2e-10): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.9e-89) || !(y <= 2e-10)) 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 <= -2.9e-89) || ~((y <= 2e-10))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.9e-89], N[Not[LessEqual[y, 2e-10]], $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 -2.9 \cdot 10^{-89} \lor \neg \left(y \leq 2 \cdot 10^{-10}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -2.89999999999999992e-89 or 2.00000000000000007e-10 < y Initial program 96.8%
Taylor expanded in y around inf 93.0%
neg-mul-193.0%
sub-neg93.0%
Simplified93.0%
if -2.89999999999999992e-89 < y < 2.00000000000000007e-10Initial program 100.0%
Taylor expanded in x around 0 76.9%
Final simplification86.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.42e-89) (not (<= y 2.3e-30))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.42e-89) || !(y <= 2.3e-30)) {
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 <= (-1.42d-89)) .or. (.not. (y <= 2.3d-30))) 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 <= -1.42e-89) || !(y <= 2.3e-30)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.42e-89) or not (y <= 2.3e-30): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.42e-89) || !(y <= 2.3e-30)) 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 <= -1.42e-89) || ~((y <= 2.3e-30))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.42e-89], N[Not[LessEqual[y, 2.3e-30]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.42 \cdot 10^{-89} \lor \neg \left(y \leq 2.3 \cdot 10^{-30}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.42e-89 or 2.29999999999999984e-30 < y Initial program 96.9%
Taylor expanded in y around inf 91.5%
neg-mul-191.5%
sub-neg91.5%
Simplified91.5%
if -1.42e-89 < y < 2.29999999999999984e-30Initial program 100.0%
Taylor expanded in y around 0 78.5%
Final simplification86.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.75e-89) (not (<= y 1.6e-31))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.75e-89) || !(y <= 1.6e-31)) {
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 <= (-2.75d-89)) .or. (.not. (y <= 1.6d-31))) 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 <= -2.75e-89) || !(y <= 1.6e-31)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.75e-89) or not (y <= 1.6e-31): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.75e-89) || !(y <= 1.6e-31)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -2.75e-89) || ~((y <= 1.6e-31))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.75e-89], N[Not[LessEqual[y, 1.6e-31]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.75 \cdot 10^{-89} \lor \neg \left(y \leq 1.6 \cdot 10^{-31}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.75000000000000006e-89 or 1.60000000000000009e-31 < y Initial program 96.9%
Taylor expanded in x around inf 52.5%
*-commutative52.5%
Simplified52.5%
if -2.75000000000000006e-89 < y < 1.60000000000000009e-31Initial program 100.0%
Taylor expanded in y around 0 78.5%
Final simplification62.0%
(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 98.0%
+-commutative98.0%
+-lft-identity98.0%
cancel-sign-sub98.0%
cancel-sign-sub98.0%
+-lft-identity98.0%
distribute-lft-out--98.0%
*-rgt-identity98.0%
associate-+l-98.0%
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 98.0%
Taylor expanded in y around 0 34.7%
(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 2024137
(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))))