
(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 97.2%
distribute-lft-out--97.2%
*-rgt-identity97.2%
cancel-sign-sub-inv97.2%
+-commutative97.2%
associate-+r+97.2%
+-commutative97.2%
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 -2.35e+83)
t_0
(if (<= y -1.05e+22)
(* y x)
(if (<= y -280.0)
t_0
(if (<= y 1.0)
z
(if (or (<= y 1.05e+128) (not (<= y 1.4e+222))) t_0 (* y x))))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -2.35e+83) {
tmp = t_0;
} else if (y <= -1.05e+22) {
tmp = y * x;
} else if (y <= -280.0) {
tmp = t_0;
} else if (y <= 1.0) {
tmp = z;
} else if ((y <= 1.05e+128) || !(y <= 1.4e+222)) {
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 <= (-2.35d+83)) then
tmp = t_0
else if (y <= (-1.05d+22)) then
tmp = y * x
else if (y <= (-280.0d0)) then
tmp = t_0
else if (y <= 1.0d0) then
tmp = z
else if ((y <= 1.05d+128) .or. (.not. (y <= 1.4d+222))) 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 <= -2.35e+83) {
tmp = t_0;
} else if (y <= -1.05e+22) {
tmp = y * x;
} else if (y <= -280.0) {
tmp = t_0;
} else if (y <= 1.0) {
tmp = z;
} else if ((y <= 1.05e+128) || !(y <= 1.4e+222)) {
tmp = t_0;
} else {
tmp = y * x;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -2.35e+83: tmp = t_0 elif y <= -1.05e+22: tmp = y * x elif y <= -280.0: tmp = t_0 elif y <= 1.0: tmp = z elif (y <= 1.05e+128) or not (y <= 1.4e+222): 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 <= -2.35e+83) tmp = t_0; elseif (y <= -1.05e+22) tmp = Float64(y * x); elseif (y <= -280.0) tmp = t_0; elseif (y <= 1.0) tmp = z; elseif ((y <= 1.05e+128) || !(y <= 1.4e+222)) 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 <= -2.35e+83) tmp = t_0; elseif (y <= -1.05e+22) tmp = y * x; elseif (y <= -280.0) tmp = t_0; elseif (y <= 1.0) tmp = z; elseif ((y <= 1.05e+128) || ~((y <= 1.4e+222))) 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, -2.35e+83], t$95$0, If[LessEqual[y, -1.05e+22], N[(y * x), $MachinePrecision], If[LessEqual[y, -280.0], t$95$0, If[LessEqual[y, 1.0], z, If[Or[LessEqual[y, 1.05e+128], N[Not[LessEqual[y, 1.4e+222]], $MachinePrecision]], t$95$0, N[(y * x), $MachinePrecision]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -2.35 \cdot 10^{+83}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -1.05 \cdot 10^{+22}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -280:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq 1:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 1.05 \cdot 10^{+128} \lor \neg \left(y \leq 1.4 \cdot 10^{+222}\right):\\
\;\;\;\;t_0\\
\mathbf{else}:\\
\;\;\;\;y \cdot x\\
\end{array}
\end{array}
if y < -2.3499999999999999e83 or -1.0499999999999999e22 < y < -280 or 1 < y < 1.05e128 or 1.4000000000000001e222 < y Initial program 94.8%
Taylor expanded in y around inf 98.7%
mul-1-neg98.7%
sub-neg98.7%
Simplified98.7%
Taylor expanded in x around 0 65.8%
associate-*r*65.8%
neg-mul-165.8%
*-commutative65.8%
Simplified65.8%
if -2.3499999999999999e83 < y < -1.0499999999999999e22 or 1.05e128 < y < 1.4000000000000001e222Initial program 94.1%
Taylor expanded in x around inf 71.4%
*-commutative71.4%
Simplified71.4%
if -280 < y < 1Initial program 100.0%
Taylor expanded in y around 0 62.5%
Final simplification64.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.2e-10) (not (<= y 1.55e-34))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.2e-10) || !(y <= 1.55e-34)) {
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 <= (-1.2d-10)) .or. (.not. (y <= 1.55d-34))) 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 <= -1.2e-10) || !(y <= 1.55e-34)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.2e-10) or not (y <= 1.55e-34): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.2e-10) || !(y <= 1.55e-34)) 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 <= -1.2e-10) || ~((y <= 1.55e-34))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.2e-10], N[Not[LessEqual[y, 1.55e-34]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.2 \cdot 10^{-10} \lor \neg \left(y \leq 1.55 \cdot 10^{-34}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.2e-10 or 1.5499999999999999e-34 < y Initial program 95.0%
Taylor expanded in y around inf 97.1%
mul-1-neg97.1%
sub-neg97.1%
Simplified97.1%
if -1.2e-10 < y < 1.5499999999999999e-34Initial program 100.0%
Taylor expanded in y around 0 65.5%
Final simplification82.6%
(FPCore (x y z) :precision binary64 (if (or (<= x -1450000000.0) (not (<= x 6e-50))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1450000000.0) || !(x <= 6e-50)) {
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 ((x <= (-1450000000.0d0)) .or. (.not. (x <= 6d-50))) 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 ((x <= -1450000000.0) || !(x <= 6e-50)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1450000000.0) or not (x <= 6e-50): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1450000000.0) || !(x <= 6e-50)) 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 ((x <= -1450000000.0) || ~((x <= 6e-50))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1450000000.0], N[Not[LessEqual[x, 6e-50]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1450000000 \lor \neg \left(x \leq 6 \cdot 10^{-50}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if x < -1.45e9 or 5.99999999999999981e-50 < x Initial program 95.0%
Taylor expanded in y around inf 79.0%
mul-1-neg79.0%
sub-neg79.0%
Simplified79.0%
if -1.45e9 < x < 5.99999999999999981e-50Initial program 100.0%
Taylor expanded in x around 0 87.5%
Final simplification82.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -280.0) (not (<= y 0.225))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -280.0) || !(y <= 0.225)) {
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 <= (-280.0d0)) .or. (.not. (y <= 0.225d0))) 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 <= -280.0) || !(y <= 0.225)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -280.0) or not (y <= 0.225): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -280.0) || !(y <= 0.225)) 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 <= -280.0) || ~((y <= 0.225))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -280.0], N[Not[LessEqual[y, 0.225]], $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 -280 \lor \neg \left(y \leq 0.225\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -280 or 0.225000000000000006 < y Initial program 94.7%
Taylor expanded in y around inf 99.1%
mul-1-neg99.1%
sub-neg99.1%
Simplified99.1%
if -280 < y < 0.225000000000000006Initial 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 98.9%
mul-1-neg98.9%
distribute-lft-neg-out98.9%
*-commutative98.9%
Simplified98.9%
sub-neg98.9%
+-commutative98.9%
distribute-rgt-neg-out98.9%
remove-double-neg98.9%
Applied egg-rr98.9%
Final simplification99.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -3.3e-10) (not (<= y 1.9e-100))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3.3e-10) || !(y <= 1.9e-100)) {
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 <= (-3.3d-10)) .or. (.not. (y <= 1.9d-100))) 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 <= -3.3e-10) || !(y <= 1.9e-100)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3.3e-10) or not (y <= 1.9e-100): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3.3e-10) || !(y <= 1.9e-100)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -3.3e-10) || ~((y <= 1.9e-100))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3.3e-10], N[Not[LessEqual[y, 1.9e-100]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.3 \cdot 10^{-10} \lor \neg \left(y \leq 1.9 \cdot 10^{-100}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -3.3e-10 or 1.89999999999999999e-100 < y Initial program 95.3%
Taylor expanded in x around inf 49.9%
*-commutative49.9%
Simplified49.9%
if -3.3e-10 < y < 1.89999999999999999e-100Initial program 100.0%
Taylor expanded in y around 0 66.7%
Final simplification56.9%
(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 97.2%
+-commutative97.2%
+-lft-identity97.2%
cancel-sign-sub97.2%
cancel-sign-sub97.2%
+-lft-identity97.2%
distribute-lft-out--97.2%
*-rgt-identity97.2%
associate-+l-97.2%
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 97.2%
Taylor expanded in y around 0 32.3%
Final simplification32.3%
(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 2024020
(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))))