
(FPCore (x y z) :precision binary64 (+ (* x y) (* (- x 1.0) z)))
double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
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) + ((x - 1.0d0) * z)
end function
public static double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
def code(x, y, z): return (x * y) + ((x - 1.0) * z)
function code(x, y, z) return Float64(Float64(x * y) + Float64(Float64(x - 1.0) * z)) end
function tmp = code(x, y, z) tmp = (x * y) + ((x - 1.0) * z); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(N[(x - 1.0), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + \left(x - 1\right) \cdot z
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x y) (* (- x 1.0) z)))
double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
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) + ((x - 1.0d0) * z)
end function
public static double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
def code(x, y, z): return (x * y) + ((x - 1.0) * z)
function code(x, y, z) return Float64(Float64(x * y) + Float64(Float64(x - 1.0) * z)) end
function tmp = code(x, y, z) tmp = (x * y) + ((x - 1.0) * z); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(N[(x - 1.0), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + \left(x - 1\right) \cdot z
\end{array}
(FPCore (x y z) :precision binary64 (- (* x (+ z y)) z))
double code(double x, double y, double z) {
return (x * (z + y)) - z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * (z + y)) - z
end function
public static double code(double x, double y, double z) {
return (x * (z + y)) - z;
}
def code(x, y, z): return (x * (z + y)) - z
function code(x, y, z) return Float64(Float64(x * Float64(z + y)) - z) end
function tmp = code(x, y, z) tmp = (x * (z + y)) - z; end
code[x_, y_, z_] := N[(N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(z + y\right) - z
\end{array}
Initial program 97.2%
*-commutative97.2%
sub-neg97.2%
distribute-rgt-in97.2%
metadata-eval97.2%
neg-mul-197.2%
associate-+r+97.2%
unsub-neg97.2%
+-commutative97.2%
distribute-lft-out100.0%
Simplified100.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.0) (not (<= x 0.0062))) (* x (+ z y)) (- (* x y) z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.0) || !(x <= 0.0062)) {
tmp = x * (z + y);
} else {
tmp = (x * y) - 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 ((x <= (-1.0d0)) .or. (.not. (x <= 0.0062d0))) then
tmp = x * (z + y)
else
tmp = (x * y) - z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -1.0) || !(x <= 0.0062)) {
tmp = x * (z + y);
} else {
tmp = (x * y) - z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.0) or not (x <= 0.0062): tmp = x * (z + y) else: tmp = (x * y) - z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.0) || !(x <= 0.0062)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(Float64(x * y) - z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -1.0) || ~((x <= 0.0062))) tmp = x * (z + y); else tmp = (x * y) - z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.0], N[Not[LessEqual[x, 0.0062]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] - z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1 \lor \neg \left(x \leq 0.0062\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y - z\\
\end{array}
\end{array}
if x < -1 or 0.00619999999999999978 < x Initial program 94.4%
Taylor expanded in x around inf 98.6%
+-commutative98.6%
Simplified98.6%
if -1 < x < 0.00619999999999999978Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
+-commutative100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in z around 0 98.4%
Final simplification98.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.15e-24) (not (<= x 1.95e-112))) (* x (+ z y)) (* z (+ x -1.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.15e-24) || !(x <= 1.95e-112)) {
tmp = x * (z + y);
} else {
tmp = z * (x + -1.0);
}
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) :: tmp
if ((x <= (-1.15d-24)) .or. (.not. (x <= 1.95d-112))) then
tmp = x * (z + y)
else
tmp = z * (x + (-1.0d0))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -1.15e-24) || !(x <= 1.95e-112)) {
tmp = x * (z + y);
} else {
tmp = z * (x + -1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.15e-24) or not (x <= 1.95e-112): tmp = x * (z + y) else: tmp = z * (x + -1.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.15e-24) || !(x <= 1.95e-112)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(z * Float64(x + -1.0)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -1.15e-24) || ~((x <= 1.95e-112))) tmp = x * (z + y); else tmp = z * (x + -1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.15e-24], N[Not[LessEqual[x, 1.95e-112]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], N[(z * N[(x + -1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.15 \cdot 10^{-24} \lor \neg \left(x \leq 1.95 \cdot 10^{-112}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(x + -1\right)\\
\end{array}
\end{array}
if x < -1.1500000000000001e-24 or 1.9500000000000001e-112 < x Initial program 95.3%
Taylor expanded in x around inf 91.7%
+-commutative91.7%
Simplified91.7%
if -1.1500000000000001e-24 < x < 1.9500000000000001e-112Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
+-commutative100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in y around inf 99.1%
*-commutative99.1%
Simplified99.1%
Taylor expanded in z around inf 80.1%
Final simplification86.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -9.2e-25) (not (<= x 1.55e-112))) (* x (+ z y)) (- z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -9.2e-25) || !(x <= 1.55e-112)) {
tmp = x * (z + y);
} 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 ((x <= (-9.2d-25)) .or. (.not. (x <= 1.55d-112))) then
tmp = x * (z + y)
else
tmp = -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -9.2e-25) || !(x <= 1.55e-112)) {
tmp = x * (z + y);
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -9.2e-25) or not (x <= 1.55e-112): tmp = x * (z + y) else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -9.2e-25) || !(x <= 1.55e-112)) tmp = Float64(x * Float64(z + y)); else tmp = Float64(-z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -9.2e-25) || ~((x <= 1.55e-112))) tmp = x * (z + y); else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -9.2e-25], N[Not[LessEqual[x, 1.55e-112]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], (-z)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -9.2 \cdot 10^{-25} \lor \neg \left(x \leq 1.55 \cdot 10^{-112}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if x < -9.1999999999999997e-25 or 1.5499999999999999e-112 < x Initial program 95.3%
Taylor expanded in x around inf 91.7%
+-commutative91.7%
Simplified91.7%
if -9.1999999999999997e-25 < x < 1.5499999999999999e-112Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
+-commutative100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in y around inf 99.1%
*-commutative99.1%
Simplified99.1%
Taylor expanded in x around 0 80.1%
neg-mul-180.1%
Simplified80.1%
Final simplification86.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -7.8e-25) (not (<= x 1.95e-112))) (* x y) (- z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -7.8e-25) || !(x <= 1.95e-112)) {
tmp = x * y;
} 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 ((x <= (-7.8d-25)) .or. (.not. (x <= 1.95d-112))) then
tmp = x * y
else
tmp = -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -7.8e-25) || !(x <= 1.95e-112)) {
tmp = x * y;
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -7.8e-25) or not (x <= 1.95e-112): tmp = x * y else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -7.8e-25) || !(x <= 1.95e-112)) tmp = Float64(x * y); else tmp = Float64(-z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -7.8e-25) || ~((x <= 1.95e-112))) tmp = x * y; else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -7.8e-25], N[Not[LessEqual[x, 1.95e-112]], $MachinePrecision]], N[(x * y), $MachinePrecision], (-z)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.8 \cdot 10^{-25} \lor \neg \left(x \leq 1.95 \cdot 10^{-112}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if x < -7.8e-25 or 1.9500000000000001e-112 < x Initial program 95.3%
Taylor expanded in y around inf 57.7%
if -7.8e-25 < x < 1.9500000000000001e-112Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
+-commutative100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in y around inf 99.1%
*-commutative99.1%
Simplified99.1%
Taylor expanded in x around 0 80.1%
neg-mul-180.1%
Simplified80.1%
Final simplification66.9%
(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 Float64(-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%
*-commutative97.2%
sub-neg97.2%
distribute-rgt-in97.2%
metadata-eval97.2%
neg-mul-197.2%
associate-+r+97.2%
unsub-neg97.2%
+-commutative97.2%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in y around inf 90.8%
*-commutative90.8%
Simplified90.8%
Taylor expanded in x around 0 37.9%
neg-mul-137.9%
Simplified37.9%
(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 97.2%
*-commutative97.2%
sub-neg97.2%
distribute-rgt-in97.2%
metadata-eval97.2%
neg-mul-197.2%
associate-+r+97.2%
unsub-neg97.2%
+-commutative97.2%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in y around inf 90.8%
*-commutative90.8%
Simplified90.8%
Taylor expanded in x around 0 37.9%
neg-mul-137.9%
Simplified37.9%
neg-sub037.9%
sub-neg37.9%
add-sqr-sqrt20.3%
sqrt-unprod18.2%
sqr-neg18.2%
sqrt-unprod1.3%
add-sqr-sqrt2.4%
Applied egg-rr2.4%
+-lft-identity2.4%
Simplified2.4%
herbie shell --seed 2024139
(FPCore (x y z)
:name "Graphics.Rendering.Chart.Drawing:drawTextsR from Chart-1.5.3"
:precision binary64
(+ (* x y) (* (- x 1.0) z)))