
(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%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -4e+147)
t_0
(if (<= y -1.85e-37)
(* y x)
(if (<= y 1200.0) z (if (<= y 9.6e+141) t_0 (* y x)))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -4e+147) {
tmp = t_0;
} else if (y <= -1.85e-37) {
tmp = y * x;
} else if (y <= 1200.0) {
tmp = z;
} else if (y <= 9.6e+141) {
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 <= (-4d+147)) then
tmp = t_0
else if (y <= (-1.85d-37)) then
tmp = y * x
else if (y <= 1200.0d0) then
tmp = z
else if (y <= 9.6d+141) 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 <= -4e+147) {
tmp = t_0;
} else if (y <= -1.85e-37) {
tmp = y * x;
} else if (y <= 1200.0) {
tmp = z;
} else if (y <= 9.6e+141) {
tmp = t_0;
} else {
tmp = y * x;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -4e+147: tmp = t_0 elif y <= -1.85e-37: tmp = y * x elif y <= 1200.0: tmp = z elif y <= 9.6e+141: 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 <= -4e+147) tmp = t_0; elseif (y <= -1.85e-37) tmp = Float64(y * x); elseif (y <= 1200.0) tmp = z; elseif (y <= 9.6e+141) 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 <= -4e+147) tmp = t_0; elseif (y <= -1.85e-37) tmp = y * x; elseif (y <= 1200.0) tmp = z; elseif (y <= 9.6e+141) 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, -4e+147], t$95$0, If[LessEqual[y, -1.85e-37], N[(y * x), $MachinePrecision], If[LessEqual[y, 1200.0], z, If[LessEqual[y, 9.6e+141], t$95$0, N[(y * x), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -4 \cdot 10^{+147}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -1.85 \cdot 10^{-37}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 1200:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 9.6 \cdot 10^{+141}:\\
\;\;\;\;t\_0\\
\mathbf{else}:\\
\;\;\;\;y \cdot x\\
\end{array}
\end{array}
if y < -3.9999999999999999e147 or 1200 < y < 9.59999999999999989e141Initial program 98.5%
Taylor expanded in y around inf 97.6%
mul-1-neg97.6%
sub-neg97.6%
Simplified97.6%
Taylor expanded in x around 0 62.1%
associate-*r*62.1%
*-commutative62.1%
neg-mul-162.1%
Simplified62.1%
if -3.9999999999999999e147 < y < -1.85e-37 or 9.59999999999999989e141 < y Initial program 97.4%
Taylor expanded in x around inf 61.3%
*-commutative61.3%
Simplified61.3%
if -1.85e-37 < y < 1200Initial program 100.0%
Taylor expanded in y around 0 75.1%
Final simplification67.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.06e-37) (not (<= y 5.2e-33))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.06e-37) || !(y <= 5.2e-33)) {
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 <= (-1.06d-37)) .or. (.not. (y <= 5.2d-33))) 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 <= -1.06e-37) || !(y <= 5.2e-33)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.06e-37) or not (y <= 5.2e-33): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.06e-37) || !(y <= 5.2e-33)) 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 <= -1.06e-37) || ~((y <= 5.2e-33))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.06e-37], N[Not[LessEqual[y, 5.2e-33]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.06 \cdot 10^{-37} \lor \neg \left(y \leq 5.2 \cdot 10^{-33}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.06000000000000003e-37 or 5.19999999999999988e-33 < y Initial program 98.0%
Taylor expanded in y around inf 93.8%
mul-1-neg93.8%
sub-neg93.8%
Simplified93.8%
if -1.06000000000000003e-37 < y < 5.19999999999999988e-33Initial program 100.0%
Taylor expanded in y around 0 78.1%
Final simplification87.6%
(FPCore (x y z) :precision binary64 (if (or (<= y -5.9e-37) (not (<= y 700000000.0))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -5.9e-37) || !(y <= 700000000.0)) {
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 <= (-5.9d-37)) .or. (.not. (y <= 700000000.0d0))) 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 <= -5.9e-37) || !(y <= 700000000.0)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -5.9e-37) or not (y <= 700000000.0): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -5.9e-37) || !(y <= 700000000.0)) 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 <= -5.9e-37) || ~((y <= 700000000.0))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -5.9e-37], N[Not[LessEqual[y, 700000000.0]], $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 -5.9 \cdot 10^{-37} \lor \neg \left(y \leq 700000000\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -5.8999999999999996e-37 or 7e8 < y Initial program 97.9%
Taylor expanded in y around inf 97.2%
mul-1-neg97.2%
sub-neg97.2%
Simplified97.2%
if -5.8999999999999996e-37 < y < 7e8Initial program 100.0%
Taylor expanded in x around 0 76.8%
Final simplification88.3%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 1.0))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(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 <= (-1.0d0)) .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 <= -1.0) || !(y <= 1.0)) {
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 <= 1.0): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(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 <= -1.0) || ~((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, -1.0], 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 -1 \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 or 1 < y Initial program 97.8%
Taylor expanded in y around inf 97.9%
mul-1-neg97.9%
sub-neg97.9%
Simplified97.9%
if -1 < y < 1Initial 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 z around 0 98.3%
mul-1-neg98.3%
distribute-lft-neg-out98.3%
*-commutative98.3%
Simplified98.3%
sub-neg98.3%
+-commutative98.3%
distribute-rgt-neg-out98.3%
remove-double-neg98.3%
Applied egg-rr98.3%
Final simplification98.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -5.5e-38) (not (<= y 5e-33))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -5.5e-38) || !(y <= 5e-33)) {
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 <= (-5.5d-38)) .or. (.not. (y <= 5d-33))) 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 <= -5.5e-38) || !(y <= 5e-33)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -5.5e-38) or not (y <= 5e-33): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -5.5e-38) || !(y <= 5e-33)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -5.5e-38) || ~((y <= 5e-33))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -5.5e-38], N[Not[LessEqual[y, 5e-33]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -5.5 \cdot 10^{-38} \lor \neg \left(y \leq 5 \cdot 10^{-33}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -5.50000000000000005e-38 or 5.00000000000000028e-33 < y Initial program 98.0%
Taylor expanded in x around inf 50.3%
*-commutative50.3%
Simplified50.3%
if -5.50000000000000005e-38 < y < 5.00000000000000028e-33Initial program 100.0%
Taylor expanded in y around 0 78.1%
Final simplification61.3%
(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 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%
Taylor expanded in y around 0 34.4%
Final simplification34.4%
(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 2024130
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(- z (* (- z x) y))
(+ (* x y) (* z (- 1.0 y))))