
(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 6 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 (+ 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 96.9%
+-commutative96.9%
distribute-lft-out--96.9%
*-rgt-identity96.9%
associate-+l-96.9%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* z (- y))))
(if (<= y -1.16e+160)
t_0
(if (<= y -2.3e+30)
(* y x)
(if (<= y -4e+14)
t_0
(if (<= y -8.5e-20)
(* y x)
(if (<= y 8e-44)
z
(if (or (<= y 3.8e+95)
(and (not (<= y 2.3e+194)) (<= y 2.15e+226)))
(* y x)
t_0))))))))
double code(double x, double y, double z) {
double t_0 = z * -y;
double tmp;
if (y <= -1.16e+160) {
tmp = t_0;
} else if (y <= -2.3e+30) {
tmp = y * x;
} else if (y <= -4e+14) {
tmp = t_0;
} else if (y <= -8.5e-20) {
tmp = y * x;
} else if (y <= 8e-44) {
tmp = z;
} else if ((y <= 3.8e+95) || (!(y <= 2.3e+194) && (y <= 2.15e+226))) {
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 = z * -y
if (y <= (-1.16d+160)) then
tmp = t_0
else if (y <= (-2.3d+30)) then
tmp = y * x
else if (y <= (-4d+14)) then
tmp = t_0
else if (y <= (-8.5d-20)) then
tmp = y * x
else if (y <= 8d-44) then
tmp = z
else if ((y <= 3.8d+95) .or. (.not. (y <= 2.3d+194)) .and. (y <= 2.15d+226)) 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 = z * -y;
double tmp;
if (y <= -1.16e+160) {
tmp = t_0;
} else if (y <= -2.3e+30) {
tmp = y * x;
} else if (y <= -4e+14) {
tmp = t_0;
} else if (y <= -8.5e-20) {
tmp = y * x;
} else if (y <= 8e-44) {
tmp = z;
} else if ((y <= 3.8e+95) || (!(y <= 2.3e+194) && (y <= 2.15e+226))) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = z * -y tmp = 0 if y <= -1.16e+160: tmp = t_0 elif y <= -2.3e+30: tmp = y * x elif y <= -4e+14: tmp = t_0 elif y <= -8.5e-20: tmp = y * x elif y <= 8e-44: tmp = z elif (y <= 3.8e+95) or (not (y <= 2.3e+194) and (y <= 2.15e+226)): tmp = y * x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(z * Float64(-y)) tmp = 0.0 if (y <= -1.16e+160) tmp = t_0; elseif (y <= -2.3e+30) tmp = Float64(y * x); elseif (y <= -4e+14) tmp = t_0; elseif (y <= -8.5e-20) tmp = Float64(y * x); elseif (y <= 8e-44) tmp = z; elseif ((y <= 3.8e+95) || (!(y <= 2.3e+194) && (y <= 2.15e+226))) tmp = Float64(y * x); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = z * -y; tmp = 0.0; if (y <= -1.16e+160) tmp = t_0; elseif (y <= -2.3e+30) tmp = y * x; elseif (y <= -4e+14) tmp = t_0; elseif (y <= -8.5e-20) tmp = y * x; elseif (y <= 8e-44) tmp = z; elseif ((y <= 3.8e+95) || (~((y <= 2.3e+194)) && (y <= 2.15e+226))) tmp = y * x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(z * (-y)), $MachinePrecision]}, If[LessEqual[y, -1.16e+160], t$95$0, If[LessEqual[y, -2.3e+30], N[(y * x), $MachinePrecision], If[LessEqual[y, -4e+14], t$95$0, If[LessEqual[y, -8.5e-20], N[(y * x), $MachinePrecision], If[LessEqual[y, 8e-44], z, If[Or[LessEqual[y, 3.8e+95], And[N[Not[LessEqual[y, 2.3e+194]], $MachinePrecision], LessEqual[y, 2.15e+226]]], N[(y * x), $MachinePrecision], t$95$0]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := z \cdot \left(-y\right)\\
\mathbf{if}\;y \leq -1.16 \cdot 10^{+160}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -2.3 \cdot 10^{+30}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -4 \cdot 10^{+14}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -8.5 \cdot 10^{-20}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 8 \cdot 10^{-44}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 3.8 \cdot 10^{+95} \lor \neg \left(y \leq 2.3 \cdot 10^{+194}\right) \land y \leq 2.15 \cdot 10^{+226}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
if y < -1.16000000000000006e160 or -2.3e30 < y < -4e14 or 3.7999999999999999e95 < y < 2.30000000000000005e194 or 2.14999999999999994e226 < y Initial program 92.1%
Taylor expanded in y around inf 100.0%
mul-1-neg100.0%
sub-neg100.0%
Simplified100.0%
Taylor expanded in x around 0 69.9%
associate-*r*69.9%
neg-mul-169.9%
*-commutative69.9%
Simplified69.9%
if -1.16000000000000006e160 < y < -2.3e30 or -4e14 < y < -8.5000000000000005e-20 or 7.99999999999999962e-44 < y < 3.7999999999999999e95 or 2.30000000000000005e194 < y < 2.14999999999999994e226Initial program 98.5%
Taylor expanded in x around inf 70.6%
*-commutative70.6%
Simplified70.6%
if -8.5000000000000005e-20 < y < 7.99999999999999962e-44Initial program 100.0%
Taylor expanded in y around 0 77.5%
Final simplification73.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -2.1e-19) (not (<= y 8.8e-42))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -2.1e-19) || !(y <= 8.8e-42)) {
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 <= (-2.1d-19)) .or. (.not. (y <= 8.8d-42))) 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 <= -2.1e-19) || !(y <= 8.8e-42)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -2.1e-19) or not (y <= 8.8e-42): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -2.1e-19) || !(y <= 8.8e-42)) 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 <= -2.1e-19) || ~((y <= 8.8e-42))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -2.1e-19], N[Not[LessEqual[y, 8.8e-42]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.1 \cdot 10^{-19} \lor \neg \left(y \leq 8.8 \cdot 10^{-42}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.0999999999999999e-19 or 8.8000000000000002e-42 < y Initial program 95.0%
Taylor expanded in y around inf 97.7%
mul-1-neg97.7%
sub-neg97.7%
Simplified97.7%
if -2.0999999999999999e-19 < y < 8.8000000000000002e-42Initial program 100.0%
Taylor expanded in y around 0 77.5%
Final simplification90.0%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 0.035))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 0.035)) {
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 <= (-1.0d0)) .or. (.not. (y <= 0.035d0))) 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 <= -1.0) || !(y <= 0.035)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.0) or not (y <= 0.035): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(y <= 0.035)) 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 <= -1.0) || ~((y <= 0.035))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.0], N[Not[LessEqual[y, 0.035]], $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 \lor \neg \left(y \leq 0.035\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -1 or 0.035000000000000003 < y Initial program 94.5%
Taylor expanded in y around inf 99.5%
mul-1-neg99.5%
sub-neg99.5%
Simplified99.5%
if -1 < y < 0.035000000000000003Initial program 100.0%
+-commutative100.0%
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 99.4%
mul-1-neg99.4%
distribute-lft-neg-out99.4%
*-commutative99.4%
Simplified99.4%
sub-neg99.4%
+-commutative99.4%
distribute-rgt-neg-out99.4%
remove-double-neg99.4%
Applied egg-rr99.4%
Final simplification99.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.45e-19) (not (<= y 2.15e-42))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.45e-19) || !(y <= 2.15e-42)) {
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 <= (-1.45d-19)) .or. (.not. (y <= 2.15d-42))) 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 <= -1.45e-19) || !(y <= 2.15e-42)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.45e-19) or not (y <= 2.15e-42): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.45e-19) || !(y <= 2.15e-42)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.45e-19) || ~((y <= 2.15e-42))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.45e-19], N[Not[LessEqual[y, 2.15e-42]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.45 \cdot 10^{-19} \lor \neg \left(y \leq 2.15 \cdot 10^{-42}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.45e-19 or 2.1500000000000001e-42 < y Initial program 95.0%
Taylor expanded in x around inf 54.0%
*-commutative54.0%
Simplified54.0%
if -1.45e-19 < y < 2.1500000000000001e-42Initial program 100.0%
Taylor expanded in y around 0 77.5%
Final simplification62.9%
(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 96.9%
Taylor expanded in y around 0 32.0%
Final simplification32.0%
(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 2023334
(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))))