
(FPCore (x y z) :precision binary64 (- (* (* x 3.0) y) z))
double code(double x, double y, double z) {
return ((x * 3.0) * 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 * 3.0d0) * y) - z
end function
public static double code(double x, double y, double z) {
return ((x * 3.0) * y) - z;
}
def code(x, y, z): return ((x * 3.0) * y) - z
function code(x, y, z) return Float64(Float64(Float64(x * 3.0) * y) - z) end
function tmp = code(x, y, z) tmp = ((x * 3.0) * y) - z; end
code[x_, y_, z_] := N[(N[(N[(x * 3.0), $MachinePrecision] * y), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 3\right) \cdot y - z
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (- (* (* x 3.0) y) z))
double code(double x, double y, double z) {
return ((x * 3.0) * 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 * 3.0d0) * y) - z
end function
public static double code(double x, double y, double z) {
return ((x * 3.0) * y) - z;
}
def code(x, y, z): return ((x * 3.0) * y) - z
function code(x, y, z) return Float64(Float64(Float64(x * 3.0) * y) - z) end
function tmp = code(x, y, z) tmp = ((x * 3.0) * y) - z; end
code[x_, y_, z_] := N[(N[(N[(x * 3.0), $MachinePrecision] * y), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
\left(x \cdot 3\right) \cdot y - z
\end{array}
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (- (* (* x 3.0) y) z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return ((x * 3.0) * y) - z;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = ((x * 3.0d0) * y) - z
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return ((x * 3.0) * y) - z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return ((x * 3.0) * y) - z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(Float64(Float64(x * 3.0) * y) - z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = ((x * 3.0) * y) - z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(N[(N[(x * 3.0), $MachinePrecision] * y), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\left(x \cdot 3\right) \cdot y - z
\end{array}
Initial program 99.8%
Final simplification99.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (let* ((t_0 (* (* x 3.0) y))) (if (<= t_0 -2e+84) (* 3.0 (* x y)) (if (<= t_0 5e-70) (- z) t_0))))
assert(x < y && y < z);
double code(double x, double y, double z) {
double t_0 = (x * 3.0) * y;
double tmp;
if (t_0 <= -2e+84) {
tmp = 3.0 * (x * y);
} else if (t_0 <= 5e-70) {
tmp = -z;
} else {
tmp = t_0;
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 = (x * 3.0d0) * y
if (t_0 <= (-2d+84)) then
tmp = 3.0d0 * (x * y)
else if (t_0 <= 5d-70) then
tmp = -z
else
tmp = t_0
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double t_0 = (x * 3.0) * y;
double tmp;
if (t_0 <= -2e+84) {
tmp = 3.0 * (x * y);
} else if (t_0 <= 5e-70) {
tmp = -z;
} else {
tmp = t_0;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): t_0 = (x * 3.0) * y tmp = 0 if t_0 <= -2e+84: tmp = 3.0 * (x * y) elif t_0 <= 5e-70: tmp = -z else: tmp = t_0 return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) t_0 = Float64(Float64(x * 3.0) * y) tmp = 0.0 if (t_0 <= -2e+84) tmp = Float64(3.0 * Float64(x * y)); elseif (t_0 <= 5e-70) tmp = Float64(-z); else tmp = t_0; end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
t_0 = (x * 3.0) * y;
tmp = 0.0;
if (t_0 <= -2e+84)
tmp = 3.0 * (x * y);
elseif (t_0 <= 5e-70)
tmp = -z;
else
tmp = t_0;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function.
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(x * 3.0), $MachinePrecision] * y), $MachinePrecision]}, If[LessEqual[t$95$0, -2e+84], N[(3.0 * N[(x * y), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$0, 5e-70], (-z), t$95$0]]]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
t_0 := \left(x \cdot 3\right) \cdot y\\
\mathbf{if}\;t\_0 \leq -2 \cdot 10^{+84}:\\
\;\;\;\;3 \cdot \left(x \cdot y\right)\\
\mathbf{elif}\;t\_0 \leq 5 \cdot 10^{-70}:\\
\;\;\;\;-z\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if (*.f64 (*.f64 x 3) y) < -2.00000000000000012e84Initial program 99.7%
associate-*l*99.8%
Simplified99.8%
Taylor expanded in z around inf 87.7%
Taylor expanded in z around 0 89.7%
if -2.00000000000000012e84 < (*.f64 (*.f64 x 3) y) < 4.9999999999999998e-70Initial program 100.0%
associate-*l*100.0%
Simplified100.0%
Taylor expanded in x around 0 79.8%
neg-mul-179.8%
Simplified79.8%
if 4.9999999999999998e-70 < (*.f64 (*.f64 x 3) y) Initial program 99.7%
associate-*l*99.7%
Simplified99.7%
Taylor expanded in z around inf 88.0%
clear-num88.0%
un-div-inv88.0%
*-commutative88.0%
associate-/r*83.4%
Applied egg-rr83.4%
Taylor expanded in z around 0 83.6%
associate-*r*83.6%
*-commutative83.6%
Simplified83.6%
Final simplification82.5%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (or (<= y -1.88e-93) (not (<= y 1.75e+16))) (* 3.0 (* x y)) (- z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.88e-93) || !(y <= 1.75e+16)) {
tmp = 3.0 * (x * y);
} else {
tmp = -z;
}
return tmp;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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 <= (-1.88d-93)) .or. (.not. (y <= 1.75d+16))) then
tmp = 3.0d0 * (x * y)
else
tmp = -z
end if
code = tmp
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -1.88e-93) || !(y <= 1.75e+16)) {
tmp = 3.0 * (x * y);
} else {
tmp = -z;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y <= -1.88e-93) or not (y <= 1.75e+16): tmp = 3.0 * (x * y) else: tmp = -z return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if ((y <= -1.88e-93) || !(y <= 1.75e+16)) tmp = Float64(3.0 * Float64(x * y)); else tmp = Float64(-z); end return tmp end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp_2 = code(x, y, z)
tmp = 0.0;
if ((y <= -1.88e-93) || ~((y <= 1.75e+16)))
tmp = 3.0 * (x * y);
else
tmp = -z;
end
tmp_2 = tmp;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := If[Or[LessEqual[y, -1.88e-93], N[Not[LessEqual[y, 1.75e+16]], $MachinePrecision]], N[(3.0 * N[(x * y), $MachinePrecision]), $MachinePrecision], (-z)]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.88 \cdot 10^{-93} \lor \neg \left(y \leq 1.75 \cdot 10^{+16}\right):\\
\;\;\;\;3 \cdot \left(x \cdot y\right)\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if y < -1.88000000000000001e-93 or 1.75e16 < y Initial program 99.7%
associate-*l*99.8%
Simplified99.8%
Taylor expanded in z around inf 90.8%
Taylor expanded in z around 0 71.1%
if -1.88000000000000001e-93 < y < 1.75e16Initial program 99.9%
associate-*l*100.0%
Simplified100.0%
Taylor expanded in x around 0 76.3%
neg-mul-176.3%
Simplified76.3%
Final simplification73.3%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (- (* 3.0 (* x y)) z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return (3.0 * (x * y)) - z;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (3.0d0 * (x * y)) - z
end function
assert x < y && y < z;
public static double code(double x, double y, double z) {
return (3.0 * (x * y)) - z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return (3.0 * (x * y)) - z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(Float64(3.0 * Float64(x * y)) - z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = (3.0 * (x * y)) - z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := N[(N[(3.0 * N[(x * y), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
3 \cdot \left(x \cdot y\right) - z
\end{array}
Initial program 99.8%
associate-*l*99.9%
Simplified99.9%
Taylor expanded in x around 0 99.8%
Final simplification99.8%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (- z))
assert(x < y && y < z);
double code(double x, double y, double z) {
return -z;
}
NOTE: x, y, and z should be sorted in increasing order before calling this function.
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
assert x < y && y < z;
public static double code(double x, double y, double z) {
return -z;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): return -z
x, y, z = sort([x, y, z]) function code(x, y, z) return Float64(-z) end
x, y, z = num2cell(sort([x, y, z])){:}
function tmp = code(x, y, z)
tmp = -z;
end
NOTE: x, y, and z should be sorted in increasing order before calling this function. code[x_, y_, z_] := (-z)
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
-z
\end{array}
Initial program 99.8%
associate-*l*99.9%
Simplified99.9%
Taylor expanded in x around 0 50.2%
neg-mul-150.2%
Simplified50.2%
Final simplification50.2%
(FPCore (x y z) :precision binary64 (- (* x (* 3.0 y)) z))
double code(double x, double y, double z) {
return (x * (3.0 * 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 * (3.0d0 * y)) - z
end function
public static double code(double x, double y, double z) {
return (x * (3.0 * y)) - z;
}
def code(x, y, z): return (x * (3.0 * y)) - z
function code(x, y, z) return Float64(Float64(x * Float64(3.0 * y)) - z) end
function tmp = code(x, y, z) tmp = (x * (3.0 * y)) - z; end
code[x_, y_, z_] := N[(N[(x * N[(3.0 * y), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(3 \cdot y\right) - z
\end{array}
herbie shell --seed 2024055
(FPCore (x y z)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, B"
:precision binary64
:alt
(- (* x (* 3.0 y)) z)
(- (* (* x 3.0) y) z))