
(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 6 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%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (or (<= y -9.5e-187) (not (<= y 1.45e+139))) (* (* x 3.0) y) (- z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y <= -9.5e-187) || !(y <= 1.45e+139)) {
tmp = (x * 3.0) * 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 <= (-9.5d-187)) .or. (.not. (y <= 1.45d+139))) then
tmp = (x * 3.0d0) * 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 <= -9.5e-187) || !(y <= 1.45e+139)) {
tmp = (x * 3.0) * y;
} else {
tmp = -z;
}
return tmp;
}
[x, y, z] = sort([x, y, z]) def code(x, y, z): tmp = 0 if (y <= -9.5e-187) or not (y <= 1.45e+139): tmp = (x * 3.0) * y else: tmp = -z return tmp
x, y, z = sort([x, y, z]) function code(x, y, z) tmp = 0.0 if ((y <= -9.5e-187) || !(y <= 1.45e+139)) tmp = Float64(Float64(x * 3.0) * 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 <= -9.5e-187) || ~((y <= 1.45e+139)))
tmp = (x * 3.0) * 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, -9.5e-187], N[Not[LessEqual[y, 1.45e+139]], $MachinePrecision]], N[(N[(x * 3.0), $MachinePrecision] * y), $MachinePrecision], (-z)]
\begin{array}{l}
[x, y, z] = \mathsf{sort}([x, y, z])\\
\\
\begin{array}{l}
\mathbf{if}\;y \leq -9.5 \cdot 10^{-187} \lor \neg \left(y \leq 1.45 \cdot 10^{+139}\right):\\
\;\;\;\;\left(x \cdot 3\right) \cdot y\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if y < -9.49999999999999936e-187 or 1.4499999999999999e139 < y Initial program 99.8%
associate-*l*99.9%
Simplified99.9%
Taylor expanded in y around inf 97.8%
+-commutative97.8%
fma-define97.8%
mul-1-neg97.8%
fmm-def97.8%
Simplified97.8%
Taylor expanded in x around inf 68.3%
if -9.49999999999999936e-187 < y < 1.4499999999999999e139Initial program 99.8%
associate-*l*99.8%
Simplified99.8%
Taylor expanded in x around 0 69.5%
neg-mul-169.5%
Simplified69.5%
Final simplification68.9%
NOTE: x, y, and z should be sorted in increasing order before calling this function. (FPCore (x y z) :precision binary64 (if (or (<= y -1.4e-177) (not (<= y 1.45e+139))) (* 3.0 (* x y)) (- z)))
assert(x < y && y < z);
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.4e-177) || !(y <= 1.45e+139)) {
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 <= (-1.4d-177)) .or. (.not. (y <= 1.45d+139))) 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 <= -1.4e-177) || !(y <= 1.45e+139)) {
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 <= -1.4e-177) or not (y <= 1.45e+139): 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 <= -1.4e-177) || !(y <= 1.45e+139)) 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 <= -1.4e-177) || ~((y <= 1.45e+139)))
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, -1.4e-177], N[Not[LessEqual[y, 1.45e+139]], $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 -1.4 \cdot 10^{-177} \lor \neg \left(y \leq 1.45 \cdot 10^{+139}\right):\\
\;\;\;\;3 \cdot \left(x \cdot y\right)\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if y < -1.39999999999999993e-177 or 1.4499999999999999e139 < y Initial program 99.8%
associate-*l*99.9%
Simplified99.9%
Taylor expanded in x around 0 99.8%
Taylor expanded in x around inf 68.2%
if -1.39999999999999993e-177 < y < 1.4499999999999999e139Initial program 99.8%
associate-*l*99.8%
Simplified99.8%
Taylor expanded in x around 0 69.5%
neg-mul-169.5%
Simplified69.5%
Final simplification68.8%
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*99.8%
Simplified99.8%
Taylor expanded in x around 0 99.8%
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*99.8%
Simplified99.8%
Taylor expanded in x around 0 50.3%
neg-mul-150.3%
Simplified50.3%
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 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*99.8%
Simplified99.8%
Taylor expanded in x around 0 50.3%
neg-mul-150.3%
Simplified50.3%
neg-sub050.3%
sub-neg50.3%
add-sqr-sqrt25.3%
sqrt-unprod14.2%
sqr-neg14.2%
sqrt-unprod1.3%
add-sqr-sqrt2.3%
Applied egg-rr2.3%
+-lft-identity2.3%
Simplified2.3%
(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 2024150
(FPCore (x y z)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, B"
:precision binary64
:alt
(! :herbie-platform default (- (* x (* 3 y)) z))
(- (* (* x 3.0) y) z))