
(FPCore (x y z t a b) :precision binary64 (- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))
double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = ((2.0d0 * sqrt(x)) * cos((y - ((z * t) / 3.0d0)))) - (a / (b * 3.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * Math.sqrt(x)) * Math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
def code(x, y, z, t, a, b): return ((2.0 * math.sqrt(x)) * math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0))
function code(x, y, z, t, a, b) return Float64(Float64(Float64(2.0 * sqrt(x)) * cos(Float64(y - Float64(Float64(z * t) / 3.0)))) - Float64(a / Float64(b * 3.0))) end
function tmp = code(x, y, z, t, a, b) tmp = ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0)); end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(2.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[Cos[N[(y - N[(N[(z * t), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(2 \cdot \sqrt{x}\right) \cdot \cos \left(y - \frac{z \cdot t}{3}\right) - \frac{a}{b \cdot 3}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a b) :precision binary64 (- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))
double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = ((2.0d0 * sqrt(x)) * cos((y - ((z * t) / 3.0d0)))) - (a / (b * 3.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return ((2.0 * Math.sqrt(x)) * Math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0));
}
def code(x, y, z, t, a, b): return ((2.0 * math.sqrt(x)) * math.cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0))
function code(x, y, z, t, a, b) return Float64(Float64(Float64(2.0 * sqrt(x)) * cos(Float64(y - Float64(Float64(z * t) / 3.0)))) - Float64(a / Float64(b * 3.0))) end
function tmp = code(x, y, z, t, a, b) tmp = ((2.0 * sqrt(x)) * cos((y - ((z * t) / 3.0)))) - (a / (b * 3.0)); end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[(2.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision] * N[Cos[N[(y - N[(N[(z * t), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(2 \cdot \sqrt{x}\right) \cdot \cos \left(y - \frac{z \cdot t}{3}\right) - \frac{a}{b \cdot 3}
\end{array}
(FPCore (x y z t a b) :precision binary64 (fma (* (sqrt x) (cos y)) 2.0 (/ a (* b -3.0))))
double code(double x, double y, double z, double t, double a, double b) {
return fma((sqrt(x) * cos(y)), 2.0, (a / (b * -3.0)));
}
function code(x, y, z, t, a, b) return fma(Float64(sqrt(x) * cos(y)), 2.0, Float64(a / Float64(b * -3.0))) end
code[x_, y_, z_, t_, a_, b_] := N[(N[(N[Sqrt[x], $MachinePrecision] * N[Cos[y], $MachinePrecision]), $MachinePrecision] * 2.0 + N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\sqrt{x} \cdot \cos y, 2, \frac{a}{b \cdot -3}\right)
\end{array}
Initial program 74.4%
Taylor expanded in y around inf
Simplified79.7%
sub-negN/A
distribute-frac-negN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
frac-2negN/A
associate-*l*N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
cos-lowering-cos.f64N/A
*-commutativeN/A
metadata-evalN/A
distribute-lft-neg-inN/A
*-commutativeN/A
/-lowering-/.f64N/A
distribute-rgt-neg-inN/A
metadata-evalN/A
*-lowering-*.f6479.7
Applied egg-rr79.7%
(FPCore (x y z t a b)
:precision binary64
(let* ((t_1 (/ a (* b 3.0))) (t_2 (fma (sqrt x) 2.0 (/ a (* b -3.0)))))
(if (<= t_1 -2e-111)
t_2
(if (<= t_1 1e-123) (* (cos y) (* (sqrt x) 2.0)) t_2))))
double code(double x, double y, double z, double t, double a, double b) {
double t_1 = a / (b * 3.0);
double t_2 = fma(sqrt(x), 2.0, (a / (b * -3.0)));
double tmp;
if (t_1 <= -2e-111) {
tmp = t_2;
} else if (t_1 <= 1e-123) {
tmp = cos(y) * (sqrt(x) * 2.0);
} else {
tmp = t_2;
}
return tmp;
}
function code(x, y, z, t, a, b) t_1 = Float64(a / Float64(b * 3.0)) t_2 = fma(sqrt(x), 2.0, Float64(a / Float64(b * -3.0))) tmp = 0.0 if (t_1 <= -2e-111) tmp = t_2; elseif (t_1 <= 1e-123) tmp = Float64(cos(y) * Float64(sqrt(x) * 2.0)); else tmp = t_2; end return tmp end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(a / N[(b * 3.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[Sqrt[x], $MachinePrecision] * 2.0 + N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e-111], t$95$2, If[LessEqual[t$95$1, 1e-123], N[(N[Cos[y], $MachinePrecision] * N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a}{b \cdot 3}\\
t_2 := \mathsf{fma}\left(\sqrt{x}, 2, \frac{a}{b \cdot -3}\right)\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{-111}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 10^{-123}:\\
\;\;\;\;\cos y \cdot \left(\sqrt{x} \cdot 2\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 a (*.f64 b #s(literal 3 binary64))) < -2.00000000000000018e-111 or 1.0000000000000001e-123 < (/.f64 a (*.f64 b #s(literal 3 binary64))) Initial program 84.1%
Taylor expanded in y around inf
Simplified90.6%
sub-negN/A
distribute-frac-negN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
frac-2negN/A
associate-*l*N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
cos-lowering-cos.f64N/A
*-commutativeN/A
metadata-evalN/A
distribute-lft-neg-inN/A
*-commutativeN/A
/-lowering-/.f64N/A
distribute-rgt-neg-inN/A
metadata-evalN/A
*-lowering-*.f6490.6
Applied egg-rr90.6%
Taylor expanded in y around 0
sqrt-lowering-sqrt.f6482.9
Simplified82.9%
if -2.00000000000000018e-111 < (/.f64 a (*.f64 b #s(literal 3 binary64))) < 1.0000000000000001e-123Initial program 49.3%
Taylor expanded in y around inf
Simplified51.4%
Taylor expanded in x around inf
associate-*r*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
cos-lowering-cos.f6451.4
Simplified51.4%
Final simplification74.2%
(FPCore (x y z t a b) :precision binary64 (fma (sqrt x) 2.0 (/ a (* b -3.0))))
double code(double x, double y, double z, double t, double a, double b) {
return fma(sqrt(x), 2.0, (a / (b * -3.0)));
}
function code(x, y, z, t, a, b) return fma(sqrt(x), 2.0, Float64(a / Float64(b * -3.0))) end
code[x_, y_, z_, t_, a_, b_] := N[(N[Sqrt[x], $MachinePrecision] * 2.0 + N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\sqrt{x}, 2, \frac{a}{b \cdot -3}\right)
\end{array}
Initial program 74.4%
Taylor expanded in y around inf
Simplified79.7%
sub-negN/A
distribute-frac-negN/A
metadata-evalN/A
distribute-rgt-neg-inN/A
frac-2negN/A
associate-*l*N/A
*-commutativeN/A
accelerator-lowering-fma.f64N/A
*-lowering-*.f64N/A
sqrt-lowering-sqrt.f64N/A
cos-lowering-cos.f64N/A
*-commutativeN/A
metadata-evalN/A
distribute-lft-neg-inN/A
*-commutativeN/A
/-lowering-/.f64N/A
distribute-rgt-neg-inN/A
metadata-evalN/A
*-lowering-*.f6479.7
Applied egg-rr79.7%
Taylor expanded in y around 0
sqrt-lowering-sqrt.f6469.2
Simplified69.2%
(FPCore (x y z t a b) :precision binary64 (fma 2.0 (sqrt x) (/ (* a -0.3333333333333333) b)))
double code(double x, double y, double z, double t, double a, double b) {
return fma(2.0, sqrt(x), ((a * -0.3333333333333333) / b));
}
function code(x, y, z, t, a, b) return fma(2.0, sqrt(x), Float64(Float64(a * -0.3333333333333333) / b)) end
code[x_, y_, z_, t_, a_, b_] := N[(2.0 * N[Sqrt[x], $MachinePrecision] + N[(N[(a * -0.3333333333333333), $MachinePrecision] / b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(2, \sqrt{x}, \frac{a \cdot -0.3333333333333333}{b}\right)
\end{array}
Initial program 74.4%
Taylor expanded in y around inf
Simplified79.7%
Taylor expanded in y around 0
cancel-sign-sub-invN/A
metadata-evalN/A
accelerator-lowering-fma.f64N/A
sqrt-lowering-sqrt.f64N/A
associate-*r/N/A
/-lowering-/.f64N/A
*-commutativeN/A
*-lowering-*.f6469.2
Simplified69.2%
(FPCore (x y z t a b) :precision binary64 (/ (/ a -3.0) b))
double code(double x, double y, double z, double t, double a, double b) {
return (a / -3.0) / b;
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = (a / (-3.0d0)) / b
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return (a / -3.0) / b;
}
def code(x, y, z, t, a, b): return (a / -3.0) / b
function code(x, y, z, t, a, b) return Float64(Float64(a / -3.0) / b) end
function tmp = code(x, y, z, t, a, b) tmp = (a / -3.0) / b; end
code[x_, y_, z_, t_, a_, b_] := N[(N[(a / -3.0), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{\frac{a}{-3}}{b}
\end{array}
Initial program 74.4%
Taylor expanded in a around inf
associate-*r/N/A
metadata-evalN/A
/-lowering-/.f64N/A
metadata-evalN/A
*-commutativeN/A
*-lowering-*.f6453.6
Simplified53.6%
metadata-evalN/A
div-invN/A
/-lowering-/.f6453.7
Applied egg-rr53.7%
(FPCore (x y z t a b) :precision binary64 (/ a (* b -3.0)))
double code(double x, double y, double z, double t, double a, double b) {
return a / (b * -3.0);
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = a / (b * (-3.0d0))
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return a / (b * -3.0);
}
def code(x, y, z, t, a, b): return a / (b * -3.0)
function code(x, y, z, t, a, b) return Float64(a / Float64(b * -3.0)) end
function tmp = code(x, y, z, t, a, b) tmp = a / (b * -3.0); end
code[x_, y_, z_, t_, a_, b_] := N[(a / N[(b * -3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{a}{b \cdot -3}
\end{array}
Initial program 74.4%
Taylor expanded in a around inf
associate-*r/N/A
metadata-evalN/A
/-lowering-/.f64N/A
metadata-evalN/A
*-commutativeN/A
*-lowering-*.f6453.6
Simplified53.6%
metadata-evalN/A
div-invN/A
associate-/r*N/A
metadata-evalN/A
distribute-lft-neg-inN/A
*-commutativeN/A
/-lowering-/.f64N/A
distribute-rgt-neg-inN/A
metadata-evalN/A
*-lowering-*.f6453.6
Applied egg-rr53.6%
(FPCore (x y z t a b) :precision binary64 (* a (/ -0.3333333333333333 b)))
double code(double x, double y, double z, double t, double a, double b) {
return a * (-0.3333333333333333 / b);
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
code = a * ((-0.3333333333333333d0) / b)
end function
public static double code(double x, double y, double z, double t, double a, double b) {
return a * (-0.3333333333333333 / b);
}
def code(x, y, z, t, a, b): return a * (-0.3333333333333333 / b)
function code(x, y, z, t, a, b) return Float64(a * Float64(-0.3333333333333333 / b)) end
function tmp = code(x, y, z, t, a, b) tmp = a * (-0.3333333333333333 / b); end
code[x_, y_, z_, t_, a_, b_] := N[(a * N[(-0.3333333333333333 / b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a \cdot \frac{-0.3333333333333333}{b}
\end{array}
Initial program 74.4%
Taylor expanded in a around inf
associate-*r/N/A
metadata-evalN/A
/-lowering-/.f64N/A
metadata-evalN/A
*-commutativeN/A
*-lowering-*.f6453.6
Simplified53.6%
metadata-evalN/A
div-invN/A
associate-/r*N/A
*-commutativeN/A
div-invN/A
*-commutativeN/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-/r*N/A
metadata-evalN/A
/-lowering-/.f6453.6
Applied egg-rr53.6%
Final simplification53.6%
(FPCore (x y z t a b)
:precision binary64
(let* ((t_1 (/ (/ 0.3333333333333333 z) t))
(t_2 (/ (/ a 3.0) b))
(t_3 (* 2.0 (sqrt x))))
(if (< z -1.3793337487235141e+129)
(- (* t_3 (cos (- (/ 1.0 y) t_1))) t_2)
(if (< z 3.516290613555987e+106)
(- (* (* (sqrt x) 2.0) (cos (- y (* (/ t 3.0) z)))) t_2)
(- (* (cos (- y t_1)) t_3) (/ (/ a b) 3.0))))))
double code(double x, double y, double z, double t, double a, double b) {
double t_1 = (0.3333333333333333 / z) / t;
double t_2 = (a / 3.0) / b;
double t_3 = 2.0 * sqrt(x);
double tmp;
if (z < -1.3793337487235141e+129) {
tmp = (t_3 * cos(((1.0 / y) - t_1))) - t_2;
} else if (z < 3.516290613555987e+106) {
tmp = ((sqrt(x) * 2.0) * cos((y - ((t / 3.0) * z)))) - t_2;
} else {
tmp = (cos((y - t_1)) * t_3) - ((a / b) / 3.0);
}
return tmp;
}
real(8) function code(x, y, z, t, a, b)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8) :: t_1
real(8) :: t_2
real(8) :: t_3
real(8) :: tmp
t_1 = (0.3333333333333333d0 / z) / t
t_2 = (a / 3.0d0) / b
t_3 = 2.0d0 * sqrt(x)
if (z < (-1.3793337487235141d+129)) then
tmp = (t_3 * cos(((1.0d0 / y) - t_1))) - t_2
else if (z < 3.516290613555987d+106) then
tmp = ((sqrt(x) * 2.0d0) * cos((y - ((t / 3.0d0) * z)))) - t_2
else
tmp = (cos((y - t_1)) * t_3) - ((a / b) / 3.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a, double b) {
double t_1 = (0.3333333333333333 / z) / t;
double t_2 = (a / 3.0) / b;
double t_3 = 2.0 * Math.sqrt(x);
double tmp;
if (z < -1.3793337487235141e+129) {
tmp = (t_3 * Math.cos(((1.0 / y) - t_1))) - t_2;
} else if (z < 3.516290613555987e+106) {
tmp = ((Math.sqrt(x) * 2.0) * Math.cos((y - ((t / 3.0) * z)))) - t_2;
} else {
tmp = (Math.cos((y - t_1)) * t_3) - ((a / b) / 3.0);
}
return tmp;
}
def code(x, y, z, t, a, b): t_1 = (0.3333333333333333 / z) / t t_2 = (a / 3.0) / b t_3 = 2.0 * math.sqrt(x) tmp = 0 if z < -1.3793337487235141e+129: tmp = (t_3 * math.cos(((1.0 / y) - t_1))) - t_2 elif z < 3.516290613555987e+106: tmp = ((math.sqrt(x) * 2.0) * math.cos((y - ((t / 3.0) * z)))) - t_2 else: tmp = (math.cos((y - t_1)) * t_3) - ((a / b) / 3.0) return tmp
function code(x, y, z, t, a, b) t_1 = Float64(Float64(0.3333333333333333 / z) / t) t_2 = Float64(Float64(a / 3.0) / b) t_3 = Float64(2.0 * sqrt(x)) tmp = 0.0 if (z < -1.3793337487235141e+129) tmp = Float64(Float64(t_3 * cos(Float64(Float64(1.0 / y) - t_1))) - t_2); elseif (z < 3.516290613555987e+106) tmp = Float64(Float64(Float64(sqrt(x) * 2.0) * cos(Float64(y - Float64(Float64(t / 3.0) * z)))) - t_2); else tmp = Float64(Float64(cos(Float64(y - t_1)) * t_3) - Float64(Float64(a / b) / 3.0)); end return tmp end
function tmp_2 = code(x, y, z, t, a, b) t_1 = (0.3333333333333333 / z) / t; t_2 = (a / 3.0) / b; t_3 = 2.0 * sqrt(x); tmp = 0.0; if (z < -1.3793337487235141e+129) tmp = (t_3 * cos(((1.0 / y) - t_1))) - t_2; elseif (z < 3.516290613555987e+106) tmp = ((sqrt(x) * 2.0) * cos((y - ((t / 3.0) * z)))) - t_2; else tmp = (cos((y - t_1)) * t_3) - ((a / b) / 3.0); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_, b_] := Block[{t$95$1 = N[(N[(0.3333333333333333 / z), $MachinePrecision] / t), $MachinePrecision]}, Block[{t$95$2 = N[(N[(a / 3.0), $MachinePrecision] / b), $MachinePrecision]}, Block[{t$95$3 = N[(2.0 * N[Sqrt[x], $MachinePrecision]), $MachinePrecision]}, If[Less[z, -1.3793337487235141e+129], N[(N[(t$95$3 * N[Cos[N[(N[(1.0 / y), $MachinePrecision] - t$95$1), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - t$95$2), $MachinePrecision], If[Less[z, 3.516290613555987e+106], N[(N[(N[(N[Sqrt[x], $MachinePrecision] * 2.0), $MachinePrecision] * N[Cos[N[(y - N[(N[(t / 3.0), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] - t$95$2), $MachinePrecision], N[(N[(N[Cos[N[(y - t$95$1), $MachinePrecision]], $MachinePrecision] * t$95$3), $MachinePrecision] - N[(N[(a / b), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{\frac{0.3333333333333333}{z}}{t}\\
t_2 := \frac{\frac{a}{3}}{b}\\
t_3 := 2 \cdot \sqrt{x}\\
\mathbf{if}\;z < -1.3793337487235141 \cdot 10^{+129}:\\
\;\;\;\;t\_3 \cdot \cos \left(\frac{1}{y} - t\_1\right) - t\_2\\
\mathbf{elif}\;z < 3.516290613555987 \cdot 10^{+106}:\\
\;\;\;\;\left(\sqrt{x} \cdot 2\right) \cdot \cos \left(y - \frac{t}{3} \cdot z\right) - t\_2\\
\mathbf{else}:\\
\;\;\;\;\cos \left(y - t\_1\right) \cdot t\_3 - \frac{\frac{a}{b}}{3}\\
\end{array}
\end{array}
herbie shell --seed 2024199
(FPCore (x y z t a b)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, K"
:precision binary64
:alt
(! :herbie-platform default (if (< z -1379333748723514100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- (* (* 2 (sqrt x)) (cos (- (/ 1 y) (/ (/ 3333333333333333/10000000000000000 z) t)))) (/ (/ a 3) b)) (if (< z 35162906135559870000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (- (* (* (sqrt x) 2) (cos (- y (* (/ t 3) z)))) (/ (/ a 3) b)) (- (* (cos (- y (/ (/ 3333333333333333/10000000000000000 z) t))) (* 2 (sqrt x))) (/ (/ a b) 3)))))
(- (* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0)))) (/ a (* b 3.0))))