
(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 6 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 97.7%
*-commutative97.7%
distribute-rgt-out--97.6%
cancel-sign-sub-inv97.6%
metadata-eval97.6%
neg-mul-197.6%
associate-+r+97.6%
unsub-neg97.6%
+-commutative97.6%
distribute-lft-out100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -2.9e-159)
(* x y)
(if (<= x 1.85e-7)
(- z)
(if (or (<= x 1e+247) (not (<= x 4.8e+280))) (* x y) (* x z)))))
double code(double x, double y, double z) {
double tmp;
if (x <= -2.9e-159) {
tmp = x * y;
} else if (x <= 1.85e-7) {
tmp = -z;
} else if ((x <= 1e+247) || !(x <= 4.8e+280)) {
tmp = x * y;
} else {
tmp = x * 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 <= (-2.9d-159)) then
tmp = x * y
else if (x <= 1.85d-7) then
tmp = -z
else if ((x <= 1d+247) .or. (.not. (x <= 4.8d+280))) then
tmp = x * y
else
tmp = x * z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -2.9e-159) {
tmp = x * y;
} else if (x <= 1.85e-7) {
tmp = -z;
} else if ((x <= 1e+247) || !(x <= 4.8e+280)) {
tmp = x * y;
} else {
tmp = x * z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -2.9e-159: tmp = x * y elif x <= 1.85e-7: tmp = -z elif (x <= 1e+247) or not (x <= 4.8e+280): tmp = x * y else: tmp = x * z return tmp
function code(x, y, z) tmp = 0.0 if (x <= -2.9e-159) tmp = Float64(x * y); elseif (x <= 1.85e-7) tmp = Float64(-z); elseif ((x <= 1e+247) || !(x <= 4.8e+280)) tmp = Float64(x * y); else tmp = Float64(x * z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -2.9e-159) tmp = x * y; elseif (x <= 1.85e-7) tmp = -z; elseif ((x <= 1e+247) || ~((x <= 4.8e+280))) tmp = x * y; else tmp = x * z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -2.9e-159], N[(x * y), $MachinePrecision], If[LessEqual[x, 1.85e-7], (-z), If[Or[LessEqual[x, 1e+247], N[Not[LessEqual[x, 4.8e+280]], $MachinePrecision]], N[(x * y), $MachinePrecision], N[(x * z), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.9 \cdot 10^{-159}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 1.85 \cdot 10^{-7}:\\
\;\;\;\;-z\\
\mathbf{elif}\;x \leq 10^{+247} \lor \neg \left(x \leq 4.8 \cdot 10^{+280}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;x \cdot z\\
\end{array}
\end{array}
if x < -2.8999999999999999e-159 or 1.85000000000000002e-7 < x < 9.99999999999999952e246 or 4.79999999999999967e280 < x Initial program 96.7%
Taylor expanded in y around inf 60.9%
if -2.8999999999999999e-159 < x < 1.85000000000000002e-7Initial program 100.0%
Taylor expanded in x around 0 85.8%
neg-mul-185.8%
Simplified85.8%
if 9.99999999999999952e246 < x < 4.79999999999999967e280Initial program 88.9%
Taylor expanded in y around 0 78.6%
Taylor expanded in x around inf 78.6%
*-commutative78.6%
Simplified78.6%
Final simplification70.8%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.9e-159) (not (<= x 1.85e-7))) (* x (+ z y)) (- z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.9e-159) || !(x <= 1.85e-7)) {
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 <= (-2.9d-159)) .or. (.not. (x <= 1.85d-7))) 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 <= -2.9e-159) || !(x <= 1.85e-7)) {
tmp = x * (z + y);
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.9e-159) or not (x <= 1.85e-7): tmp = x * (z + y) else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.9e-159) || !(x <= 1.85e-7)) 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 <= -2.9e-159) || ~((x <= 1.85e-7))) tmp = x * (z + y); else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.9e-159], N[Not[LessEqual[x, 1.85e-7]], $MachinePrecision]], N[(x * N[(z + y), $MachinePrecision]), $MachinePrecision], (-z)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.9 \cdot 10^{-159} \lor \neg \left(x \leq 1.85 \cdot 10^{-7}\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if x < -2.8999999999999999e-159 or 1.85000000000000002e-7 < x Initial program 96.3%
Taylor expanded in x around inf 91.9%
+-commutative91.9%
Simplified91.9%
if -2.8999999999999999e-159 < x < 1.85000000000000002e-7Initial program 100.0%
Taylor expanded in x around 0 85.8%
neg-mul-185.8%
Simplified85.8%
Final simplification89.7%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.9e-159) (not (<= x 5.4))) (* x (+ z y)) (* z (+ x -1.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.9e-159) || !(x <= 5.4)) {
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 <= (-2.9d-159)) .or. (.not. (x <= 5.4d0))) 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 <= -2.9e-159) || !(x <= 5.4)) {
tmp = x * (z + y);
} else {
tmp = z * (x + -1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.9e-159) or not (x <= 5.4): tmp = x * (z + y) else: tmp = z * (x + -1.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.9e-159) || !(x <= 5.4)) 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 <= -2.9e-159) || ~((x <= 5.4))) tmp = x * (z + y); else tmp = z * (x + -1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.9e-159], N[Not[LessEqual[x, 5.4]], $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 -2.9 \cdot 10^{-159} \lor \neg \left(x \leq 5.4\right):\\
\;\;\;\;x \cdot \left(z + y\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(x + -1\right)\\
\end{array}
\end{array}
if x < -2.8999999999999999e-159 or 5.4000000000000004 < x Initial program 96.3%
Taylor expanded in x around inf 91.9%
+-commutative91.9%
Simplified91.9%
if -2.8999999999999999e-159 < x < 5.4000000000000004Initial program 100.0%
Taylor expanded in y around 0 86.7%
Final simplification90.0%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.9e-159) (not (<= x 1.25e-6))) (* x y) (- z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.9e-159) || !(x <= 1.25e-6)) {
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 <= (-2.9d-159)) .or. (.not. (x <= 1.25d-6))) 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 <= -2.9e-159) || !(x <= 1.25e-6)) {
tmp = x * y;
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.9e-159) or not (x <= 1.25e-6): tmp = x * y else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.9e-159) || !(x <= 1.25e-6)) tmp = Float64(x * y); else tmp = Float64(-z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -2.9e-159) || ~((x <= 1.25e-6))) tmp = x * y; else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.9e-159], N[Not[LessEqual[x, 1.25e-6]], $MachinePrecision]], N[(x * y), $MachinePrecision], (-z)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.9 \cdot 10^{-159} \lor \neg \left(x \leq 1.25 \cdot 10^{-6}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if x < -2.8999999999999999e-159 or 1.2500000000000001e-6 < x Initial program 96.3%
Taylor expanded in y around inf 58.8%
if -2.8999999999999999e-159 < x < 1.2500000000000001e-6Initial program 100.0%
Taylor expanded in x around 0 85.8%
neg-mul-185.8%
Simplified85.8%
Final simplification68.8%
(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 97.7%
Taylor expanded in x around 0 38.3%
neg-mul-138.3%
Simplified38.3%
Final simplification38.3%
herbie shell --seed 2024036
(FPCore (x y z)
:name "Graphics.Rendering.Chart.Drawing:drawTextsR from Chart-1.5.3"
:precision binary64
(+ (* x y) (* (- x 1.0) z)))