
(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 7 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 96.8%
distribute-lft-out--96.9%
*-rgt-identity96.9%
cancel-sign-sub-inv96.9%
+-commutative96.9%
associate-+r+96.9%
+-commutative96.9%
distribute-rgt-out100.0%
fma-define100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
(FPCore (x y z) :precision binary64 (if (<= y -2.8e+96) (* z (- y)) (if (or (<= y -6.5e-111) (not (<= y 7.2e-12))) (* y x) z)))
double code(double x, double y, double z) {
double tmp;
if (y <= -2.8e+96) {
tmp = z * -y;
} else if ((y <= -6.5e-111) || !(y <= 7.2e-12)) {
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 <= (-2.8d+96)) then
tmp = z * -y
else if ((y <= (-6.5d-111)) .or. (.not. (y <= 7.2d-12))) 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 <= -2.8e+96) {
tmp = z * -y;
} else if ((y <= -6.5e-111) || !(y <= 7.2e-12)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -2.8e+96: tmp = z * -y elif (y <= -6.5e-111) or not (y <= 7.2e-12): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if (y <= -2.8e+96) tmp = Float64(z * Float64(-y)); elseif ((y <= -6.5e-111) || !(y <= 7.2e-12)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -2.8e+96) tmp = z * -y; elseif ((y <= -6.5e-111) || ~((y <= 7.2e-12))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -2.8e+96], N[(z * (-y)), $MachinePrecision], If[Or[LessEqual[y, -6.5e-111], N[Not[LessEqual[y, 7.2e-12]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.8 \cdot 10^{+96}:\\
\;\;\;\;z \cdot \left(-y\right)\\
\mathbf{elif}\;y \leq -6.5 \cdot 10^{-111} \lor \neg \left(y \leq 7.2 \cdot 10^{-12}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -2.8e96Initial program 90.1%
+-commutative90.1%
distribute-lft-out--90.1%
*-rgt-identity90.1%
cancel-sign-sub-inv90.1%
+-commutative90.1%
+-commutative90.1%
associate-+l+90.1%
distribute-lft-neg-out90.1%
remove-double-neg90.1%
distribute-rgt-neg-out90.1%
distribute-neg-out90.1%
sub-neg90.1%
distribute-rgt-neg-out90.1%
sub-neg90.1%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in z around inf 64.8%
Taylor expanded in y around inf 64.8%
mul-1-neg64.8%
*-commutative64.8%
distribute-rgt-neg-in64.8%
Simplified64.8%
if -2.8e96 < y < -6.49999999999999974e-111 or 7.2e-12 < y Initial program 97.4%
+-commutative97.4%
distribute-lft-out--97.4%
*-rgt-identity97.4%
cancel-sign-sub-inv97.4%
+-commutative97.4%
+-commutative97.4%
associate-+l+97.4%
distribute-lft-neg-out97.4%
remove-double-neg97.4%
distribute-rgt-neg-out97.4%
distribute-neg-out97.4%
sub-neg97.4%
distribute-rgt-neg-out97.4%
sub-neg97.4%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in z around 0 56.8%
if -6.49999999999999974e-111 < y < 7.2e-12Initial 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 63.7%
Taylor expanded in y around 0 79.7%
Final simplification66.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 2e-11))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 2e-11)) {
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 <= 2d-11))) 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 <= 2e-11)) {
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 <= 2e-11): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(y <= 2e-11)) 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 <= 2e-11))) 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, 2e-11]], $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 2 \cdot 10^{-11}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -1 or 1.99999999999999988e-11 < y Initial program 94.4%
+-commutative94.4%
distribute-lft-out--94.4%
*-rgt-identity94.4%
cancel-sign-sub-inv94.4%
+-commutative94.4%
+-commutative94.4%
associate-+l+94.4%
distribute-lft-neg-out94.4%
remove-double-neg94.4%
distribute-rgt-neg-out94.4%
distribute-neg-out94.4%
sub-neg94.4%
distribute-rgt-neg-out94.4%
sub-neg94.4%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 100.0%
Taylor expanded in x around inf 99.4%
if -1 < y < 1.99999999999999988e-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 z around 0 99.7%
neg-mul-199.7%
Simplified99.7%
*-commutative99.7%
cancel-sign-sub99.7%
+-commutative99.7%
Applied egg-rr99.7%
Final simplification99.5%
(FPCore (x y z) :precision binary64 (if (or (<= y -6.5e-111) (not (<= y 2.5e-14))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -6.5e-111) || !(y <= 2.5e-14)) {
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 <= (-6.5d-111)) .or. (.not. (y <= 2.5d-14))) 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 <= -6.5e-111) || !(y <= 2.5e-14)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -6.5e-111) or not (y <= 2.5e-14): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -6.5e-111) || !(y <= 2.5e-14)) 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 <= -6.5e-111) || ~((y <= 2.5e-14))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -6.5e-111], N[Not[LessEqual[y, 2.5e-14]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -6.5 \cdot 10^{-111} \lor \neg \left(y \leq 2.5 \cdot 10^{-14}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -6.49999999999999974e-111 or 2.5000000000000001e-14 < y Initial program 95.1%
+-commutative95.1%
distribute-lft-out--95.2%
*-rgt-identity95.2%
cancel-sign-sub-inv95.2%
+-commutative95.2%
+-commutative95.2%
associate-+l+95.2%
distribute-lft-neg-out95.2%
remove-double-neg95.2%
distribute-rgt-neg-out95.2%
distribute-neg-out95.2%
sub-neg95.2%
distribute-rgt-neg-out95.2%
sub-neg95.2%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 99.4%
Taylor expanded in x around inf 94.4%
if -6.49999999999999974e-111 < y < 2.5000000000000001e-14Initial 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 63.7%
Taylor expanded in y around 0 79.7%
Final simplification89.3%
(FPCore (x y z) :precision binary64 (if (or (<= y -6.5e-111) (not (<= y 2.3e-12))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -6.5e-111) || !(y <= 2.3e-12)) {
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 <= (-6.5d-111)) .or. (.not. (y <= 2.3d-12))) 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 <= -6.5e-111) || !(y <= 2.3e-12)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -6.5e-111) or not (y <= 2.3e-12): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -6.5e-111) || !(y <= 2.3e-12)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -6.5e-111) || ~((y <= 2.3e-12))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -6.5e-111], N[Not[LessEqual[y, 2.3e-12]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -6.5 \cdot 10^{-111} \lor \neg \left(y \leq 2.3 \cdot 10^{-12}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -6.49999999999999974e-111 or 2.29999999999999989e-12 < y Initial program 95.1%
+-commutative95.1%
distribute-lft-out--95.2%
*-rgt-identity95.2%
cancel-sign-sub-inv95.2%
+-commutative95.2%
+-commutative95.2%
associate-+l+95.2%
distribute-lft-neg-out95.2%
remove-double-neg95.2%
distribute-rgt-neg-out95.2%
distribute-neg-out95.2%
sub-neg95.2%
distribute-rgt-neg-out95.2%
sub-neg95.2%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in z around 0 53.1%
if -6.49999999999999974e-111 < y < 2.29999999999999989e-12Initial 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 63.7%
Taylor expanded in y around 0 79.7%
Final simplification62.4%
(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 96.8%
+-commutative96.8%
distribute-lft-out--96.9%
*-rgt-identity96.9%
cancel-sign-sub-inv96.9%
+-commutative96.9%
+-commutative96.9%
associate-+l+96.9%
distribute-lft-neg-out96.9%
remove-double-neg96.9%
distribute-rgt-neg-out96.9%
distribute-neg-out96.9%
sub-neg96.9%
distribute-rgt-neg-out96.9%
sub-neg96.9%
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 96.8%
+-commutative96.8%
distribute-lft-out--96.9%
*-rgt-identity96.9%
cancel-sign-sub-inv96.9%
+-commutative96.9%
+-commutative96.9%
associate-+l+96.9%
distribute-lft-neg-out96.9%
remove-double-neg96.9%
distribute-rgt-neg-out96.9%
distribute-neg-out96.9%
sub-neg96.9%
distribute-rgt-neg-out96.9%
sub-neg96.9%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 86.8%
Taylor expanded in y around 0 33.4%
(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 2024181
(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))))