Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, D

Percentage Accurate: 98.0% → 97.8%
Time: 15.0s
Alternatives: 3
Speedup: N/A×

Specification

?
\[\begin{array}{l} \\ \frac{1}{3} \cdot \cos^{-1} \left(\frac{3 \cdot \frac{x}{y \cdot 27}}{z \cdot 2} \cdot \sqrt{t}\right) \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (* (/ 1.0 3.0) (acos (* (/ (* 3.0 (/ x (* y 27.0))) (* z 2.0)) (sqrt t)))))
double code(double x, double y, double z, double t) {
	return (1.0 / 3.0) * acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * sqrt(t)));
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = (1.0d0 / 3.0d0) * acos((((3.0d0 * (x / (y * 27.0d0))) / (z * 2.0d0)) * sqrt(t)))
end function
public static double code(double x, double y, double z, double t) {
	return (1.0 / 3.0) * Math.acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * Math.sqrt(t)));
}
def code(x, y, z, t):
	return (1.0 / 3.0) * math.acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * math.sqrt(t)))
function code(x, y, z, t)
	return Float64(Float64(1.0 / 3.0) * acos(Float64(Float64(Float64(3.0 * Float64(x / Float64(y * 27.0))) / Float64(z * 2.0)) * sqrt(t))))
end
function tmp = code(x, y, z, t)
	tmp = (1.0 / 3.0) * acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * sqrt(t)));
end
code[x_, y_, z_, t_] := N[(N[(1.0 / 3.0), $MachinePrecision] * N[ArcCos[N[(N[(N[(3.0 * N[(x / N[(y * 27.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(z * 2.0), $MachinePrecision]), $MachinePrecision] * N[Sqrt[t], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{1}{3} \cdot \cos^{-1} \left(\frac{3 \cdot \frac{x}{y \cdot 27}}{z \cdot 2} \cdot \sqrt{t}\right)
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 3 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 98.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{1}{3} \cdot \cos^{-1} \left(\frac{3 \cdot \frac{x}{y \cdot 27}}{z \cdot 2} \cdot \sqrt{t}\right) \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (* (/ 1.0 3.0) (acos (* (/ (* 3.0 (/ x (* y 27.0))) (* z 2.0)) (sqrt t)))))
double code(double x, double y, double z, double t) {
	return (1.0 / 3.0) * acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * sqrt(t)));
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = (1.0d0 / 3.0d0) * acos((((3.0d0 * (x / (y * 27.0d0))) / (z * 2.0d0)) * sqrt(t)))
end function
public static double code(double x, double y, double z, double t) {
	return (1.0 / 3.0) * Math.acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * Math.sqrt(t)));
}
def code(x, y, z, t):
	return (1.0 / 3.0) * math.acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * math.sqrt(t)))
function code(x, y, z, t)
	return Float64(Float64(1.0 / 3.0) * acos(Float64(Float64(Float64(3.0 * Float64(x / Float64(y * 27.0))) / Float64(z * 2.0)) * sqrt(t))))
end
function tmp = code(x, y, z, t)
	tmp = (1.0 / 3.0) * acos((((3.0 * (x / (y * 27.0))) / (z * 2.0)) * sqrt(t)));
end
code[x_, y_, z_, t_] := N[(N[(1.0 / 3.0), $MachinePrecision] * N[ArcCos[N[(N[(N[(3.0 * N[(x / N[(y * 27.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(z * 2.0), $MachinePrecision]), $MachinePrecision] * N[Sqrt[t], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{1}{3} \cdot \cos^{-1} \left(\frac{3 \cdot \frac{x}{y \cdot 27}}{z \cdot 2} \cdot \sqrt{t}\right)
\end{array}

Alternative 1: 97.8% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \sqrt{t} \cdot -0.05555555555555555\\ t_2 := t\_1 \cdot \frac{\frac{x}{y}}{z}\\ t_3 := \frac{\mathsf{PI}\left(\right)}{2}\\ t_4 := \sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)\\ \frac{\left({t\_3}^{3} - {t\_4}^{3}\right) \cdot 0.3333333333333333}{{t\_3}^{4} - {\left(t\_4 \cdot \cos^{-1} t\_2\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} t\_2, \cos^{-1} \left(t\_1 \cdot \frac{x}{y \cdot z}\right), {t\_3}^{2}\right) \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (* (sqrt t) -0.05555555555555555))
        (t_2 (* t_1 (/ (/ x y) z)))
        (t_3 (/ (PI) 2.0))
        (t_4 (asin (/ (* (* -0.05555555555555555 (sqrt t)) x) (* z y)))))
   (*
    (/
     (* (- (pow t_3 3.0) (pow t_4 3.0)) 0.3333333333333333)
     (- (pow t_3 4.0) (pow (* t_4 (acos t_2)) 2.0)))
    (fma (asin t_2) (acos (* t_1 (/ x (* y z)))) (pow t_3 2.0)))))
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \sqrt{t} \cdot -0.05555555555555555\\
t_2 := t\_1 \cdot \frac{\frac{x}{y}}{z}\\
t_3 := \frac{\mathsf{PI}\left(\right)}{2}\\
t_4 := \sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)\\
\frac{\left({t\_3}^{3} - {t\_4}^{3}\right) \cdot 0.3333333333333333}{{t\_3}^{4} - {\left(t\_4 \cdot \cos^{-1} t\_2\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} t\_2, \cos^{-1} \left(t\_1 \cdot \frac{x}{y \cdot z}\right), {t\_3}^{2}\right)
\end{array}
\end{array}
Derivation
  1. Initial program 98.5%

    \[\frac{1}{3} \cdot \cos^{-1} \left(\frac{3 \cdot \frac{x}{y \cdot 27}}{z \cdot 2} \cdot \sqrt{t}\right) \]
  2. Add Preprocessing
  3. Applied rewrites99.5%

    \[\leadsto \color{blue}{\frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right)} \]
  4. Step-by-step derivation
    1. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)}}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    2. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{\frac{x}{y}}{z}}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    3. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\color{blue}{\frac{x}{y}}}{z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    4. associate-/l/N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{x}{y \cdot z}}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    5. associate-*r/N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\frac{\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot x}{y \cdot z}\right)}}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    6. lower-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\frac{\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot x}{y \cdot z}\right)}}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    7. lower-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot x}}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    8. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\sqrt{t} \cdot \frac{-1}{18}\right)} \cdot x}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    9. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\frac{-1}{18} \cdot \sqrt{t}\right)} \cdot x}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    10. lower-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\frac{-1}{18} \cdot \sqrt{t}\right)} \cdot x}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    11. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{\color{blue}{z \cdot y}}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    12. lower-*.f6499.5

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{\color{blue}{z \cdot y}}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  5. Applied rewrites99.5%

    \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  6. Step-by-step derivation
    1. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \color{blue}{\left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)} \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    2. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\color{blue}{\left(\sqrt{t} \cdot \frac{-1}{18}\right)} \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    3. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\color{blue}{\left(\frac{-1}{18} \cdot \sqrt{t}\right)} \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    4. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\color{blue}{\left(\frac{-1}{18} \cdot \sqrt{t}\right)} \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    5. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot \color{blue}{\frac{\frac{x}{y}}{z}}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    6. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot \frac{\color{blue}{\frac{x}{y}}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    7. associate-/l/N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot \color{blue}{\frac{x}{y \cdot z}}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    8. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    9. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    10. associate-/l*N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \color{blue}{\left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)} \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    11. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\color{blue}{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    12. lift-/.f6499.5

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \color{blue}{\left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)} \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  7. Applied rewrites99.5%

    \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \color{blue}{\left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)} \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  8. Step-by-step derivation
    1. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{\frac{x}{y}}{z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    2. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\color{blue}{\frac{x}{y}}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    3. associate-/l/N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{x}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    4. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    5. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    6. lower-/.f6499.5

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \color{blue}{\frac{x}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    7. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    8. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    9. lower-*.f6499.5

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{x}{\color{blue}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  9. Applied rewrites99.5%

    \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \color{blue}{\frac{x}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  10. Add Preprocessing

Alternative 2: 97.4% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \sqrt{t} \cdot -0.05555555555555555\\ t_2 := t\_1 \cdot \frac{\frac{x}{y}}{z}\\ t_3 := \sin^{-1} t\_2\\ t_4 := \frac{\mathsf{PI}\left(\right)}{2}\\ \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot -0.05555555555555555}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot 0.3333333333333333}{{t\_4}^{4} - {\left(t\_3 \cdot \cos^{-1} t\_2\right)}^{2}} \cdot \mathsf{fma}\left(t\_3, \cos^{-1} \left(t\_1 \cdot \frac{x}{y \cdot z}\right), {t\_4}^{2}\right) \end{array} \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (let* ((t_1 (* (sqrt t) -0.05555555555555555))
        (t_2 (* t_1 (/ (/ x y) z)))
        (t_3 (asin t_2))
        (t_4 (/ (PI) 2.0)))
   (*
    (/
     (*
      (fma
       (* (PI) (PI))
       (/ (PI) 8.0)
       (pow (asin (* (/ (* x -0.05555555555555555) z) (/ (sqrt t) y))) 3.0))
      0.3333333333333333)
     (- (pow t_4 4.0) (pow (* t_3 (acos t_2)) 2.0)))
    (fma t_3 (acos (* t_1 (/ x (* y z)))) (pow t_4 2.0)))))
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \sqrt{t} \cdot -0.05555555555555555\\
t_2 := t\_1 \cdot \frac{\frac{x}{y}}{z}\\
t_3 := \sin^{-1} t\_2\\
t_4 := \frac{\mathsf{PI}\left(\right)}{2}\\
\frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot -0.05555555555555555}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot 0.3333333333333333}{{t\_4}^{4} - {\left(t\_3 \cdot \cos^{-1} t\_2\right)}^{2}} \cdot \mathsf{fma}\left(t\_3, \cos^{-1} \left(t\_1 \cdot \frac{x}{y \cdot z}\right), {t\_4}^{2}\right)
\end{array}
\end{array}
Derivation
  1. Initial program 98.5%

    \[\frac{1}{3} \cdot \cos^{-1} \left(\frac{3 \cdot \frac{x}{y \cdot 27}}{z \cdot 2} \cdot \sqrt{t}\right) \]
  2. Add Preprocessing
  3. Applied rewrites99.5%

    \[\leadsto \color{blue}{\frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right)} \]
  4. Step-by-step derivation
    1. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)}}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    2. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{\frac{x}{y}}{z}}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    3. lift-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\color{blue}{\frac{x}{y}}}{z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    4. associate-/l/N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{x}{y \cdot z}}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    5. associate-*r/N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\frac{\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot x}{y \cdot z}\right)}}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    6. lower-/.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\frac{\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot x}{y \cdot z}\right)}}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    7. lower-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot x}}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    8. lift-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\sqrt{t} \cdot \frac{-1}{18}\right)} \cdot x}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    9. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\frac{-1}{18} \cdot \sqrt{t}\right)} \cdot x}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    10. lower-*.f64N/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\color{blue}{\left(\frac{-1}{18} \cdot \sqrt{t}\right)} \cdot x}{y \cdot z}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    11. *-commutativeN/A

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(\frac{-1}{18} \cdot \sqrt{t}\right) \cdot x}{\color{blue}{z \cdot y}}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    12. lower-*.f6499.5

      \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{\color{blue}{z \cdot y}}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  5. Applied rewrites99.5%

    \[\leadsto \frac{\left({\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{3} - {\sin^{-1} \color{blue}{\left(\frac{\left(-0.05555555555555555 \cdot \sqrt{t}\right) \cdot x}{z \cdot y}\right)}}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  6. Applied rewrites99.2%

    \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot -0.05555555555555555}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right)} \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  7. Step-by-step derivation
    1. lift-/.f64N/A

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot \frac{-1}{18}}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{\frac{x}{y}}{z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    2. lift-/.f64N/A

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot \frac{-1}{18}}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\color{blue}{\frac{x}{y}}}{z}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    3. associate-/l/N/A

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot \frac{-1}{18}}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \color{blue}{\frac{x}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    4. *-commutativeN/A

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot \frac{-1}{18}}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    5. lift-*.f64N/A

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot \frac{-1}{18}}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    6. lower-/.f6499.2

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot -0.05555555555555555}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \color{blue}{\frac{x}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    7. lift-*.f64N/A

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot \frac{-1}{18}}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{z \cdot y}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    8. *-commutativeN/A

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot \frac{-1}{18}}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot \frac{1}{3}}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot \frac{-1}{18}\right) \cdot \frac{x}{\color{blue}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
    9. lower-*.f6499.2

      \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot -0.05555555555555555}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{x}{\color{blue}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  8. Applied rewrites99.2%

    \[\leadsto \frac{\mathsf{fma}\left(\mathsf{PI}\left(\right) \cdot \mathsf{PI}\left(\right), \frac{\mathsf{PI}\left(\right)}{8}, {\sin^{-1} \left(\frac{x \cdot -0.05555555555555555}{z} \cdot \frac{\sqrt{t}}{y}\right)}^{3}\right) \cdot 0.3333333333333333}{{\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{4} - {\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right) \cdot \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right)\right)}^{2}} \cdot \mathsf{fma}\left(\sin^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \frac{\frac{x}{y}}{z}\right), \cos^{-1} \left(\left(\sqrt{t} \cdot -0.05555555555555555\right) \cdot \color{blue}{\frac{x}{y \cdot z}}\right), {\left(\frac{\mathsf{PI}\left(\right)}{2}\right)}^{2}\right) \]
  9. Add Preprocessing

Alternative 3: 97.2% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \cos^{-1} \left(\frac{\sqrt{t} \cdot \left(0.05555555555555555 \cdot x\right)}{z \cdot y}\right) \cdot 0.3333333333333333 \end{array} \]
(FPCore (x y z t)
 :precision binary64
 (*
  (acos (/ (* (sqrt t) (* 0.05555555555555555 x)) (* z y)))
  0.3333333333333333))
double code(double x, double y, double z, double t) {
	return acos(((sqrt(t) * (0.05555555555555555 * x)) / (z * y))) * 0.3333333333333333;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = acos(((sqrt(t) * (0.05555555555555555d0 * x)) / (z * y))) * 0.3333333333333333d0
end function
public static double code(double x, double y, double z, double t) {
	return Math.acos(((Math.sqrt(t) * (0.05555555555555555 * x)) / (z * y))) * 0.3333333333333333;
}
def code(x, y, z, t):
	return math.acos(((math.sqrt(t) * (0.05555555555555555 * x)) / (z * y))) * 0.3333333333333333
function code(x, y, z, t)
	return Float64(acos(Float64(Float64(sqrt(t) * Float64(0.05555555555555555 * x)) / Float64(z * y))) * 0.3333333333333333)
end
function tmp = code(x, y, z, t)
	tmp = acos(((sqrt(t) * (0.05555555555555555 * x)) / (z * y))) * 0.3333333333333333;
end
code[x_, y_, z_, t_] := N[(N[ArcCos[N[(N[(N[Sqrt[t], $MachinePrecision] * N[(0.05555555555555555 * x), $MachinePrecision]), $MachinePrecision] / N[(z * y), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] * 0.3333333333333333), $MachinePrecision]
\begin{array}{l}

\\
\cos^{-1} \left(\frac{\sqrt{t} \cdot \left(0.05555555555555555 \cdot x\right)}{z \cdot y}\right) \cdot 0.3333333333333333
\end{array}
Derivation
  1. Initial program 98.5%

    \[\frac{1}{3} \cdot \cos^{-1} \left(\frac{3 \cdot \frac{x}{y \cdot 27}}{z \cdot 2} \cdot \sqrt{t}\right) \]
  2. Add Preprocessing
  3. Taylor expanded in x around 0

    \[\leadsto \color{blue}{\frac{1}{3} \cdot \cos^{-1} \left(\frac{1}{18} \cdot \left(\sqrt{t} \cdot \frac{x}{y \cdot z}\right)\right)} \]
  4. Step-by-step derivation
    1. *-commutativeN/A

      \[\leadsto \color{blue}{\cos^{-1} \left(\frac{1}{18} \cdot \left(\sqrt{t} \cdot \frac{x}{y \cdot z}\right)\right) \cdot \frac{1}{3}} \]
    2. lower-*.f64N/A

      \[\leadsto \color{blue}{\cos^{-1} \left(\frac{1}{18} \cdot \left(\sqrt{t} \cdot \frac{x}{y \cdot z}\right)\right) \cdot \frac{1}{3}} \]
  5. Applied rewrites97.7%

    \[\leadsto \color{blue}{\cos^{-1} \left(\left(\frac{\frac{\sqrt{t}}{z}}{y} \cdot x\right) \cdot 0.05555555555555555\right) \cdot 0.3333333333333333} \]
  6. Step-by-step derivation
    1. Applied rewrites98.5%

      \[\leadsto \cos^{-1} \left(\frac{\sqrt{t} \cdot \left(0.05555555555555555 \cdot x\right)}{z \cdot y}\right) \cdot 0.3333333333333333 \]
    2. Add Preprocessing

    Developer Target 1: 98.1% accurate, 1.0× speedup?

    \[\begin{array}{l} \\ \frac{\cos^{-1} \left(\frac{\frac{x}{27}}{y \cdot z} \cdot \frac{\sqrt{t}}{\frac{2}{3}}\right)}{3} \end{array} \]
    (FPCore (x y z t)
     :precision binary64
     (/ (acos (* (/ (/ x 27.0) (* y z)) (/ (sqrt t) (/ 2.0 3.0)))) 3.0))
    double code(double x, double y, double z, double t) {
    	return acos((((x / 27.0) / (y * z)) * (sqrt(t) / (2.0 / 3.0)))) / 3.0;
    }
    
    real(8) function code(x, y, z, t)
        real(8), intent (in) :: x
        real(8), intent (in) :: y
        real(8), intent (in) :: z
        real(8), intent (in) :: t
        code = acos((((x / 27.0d0) / (y * z)) * (sqrt(t) / (2.0d0 / 3.0d0)))) / 3.0d0
    end function
    
    public static double code(double x, double y, double z, double t) {
    	return Math.acos((((x / 27.0) / (y * z)) * (Math.sqrt(t) / (2.0 / 3.0)))) / 3.0;
    }
    
    def code(x, y, z, t):
    	return math.acos((((x / 27.0) / (y * z)) * (math.sqrt(t) / (2.0 / 3.0)))) / 3.0
    
    function code(x, y, z, t)
    	return Float64(acos(Float64(Float64(Float64(x / 27.0) / Float64(y * z)) * Float64(sqrt(t) / Float64(2.0 / 3.0)))) / 3.0)
    end
    
    function tmp = code(x, y, z, t)
    	tmp = acos((((x / 27.0) / (y * z)) * (sqrt(t) / (2.0 / 3.0)))) / 3.0;
    end
    
    code[x_, y_, z_, t_] := N[(N[ArcCos[N[(N[(N[(x / 27.0), $MachinePrecision] / N[(y * z), $MachinePrecision]), $MachinePrecision] * N[(N[Sqrt[t], $MachinePrecision] / N[(2.0 / 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] / 3.0), $MachinePrecision]
    
    \begin{array}{l}
    
    \\
    \frac{\cos^{-1} \left(\frac{\frac{x}{27}}{y \cdot z} \cdot \frac{\sqrt{t}}{\frac{2}{3}}\right)}{3}
    \end{array}
    

    Reproduce

    ?
    herbie shell --seed 2024339 
    (FPCore (x y z t)
      :name "Diagrams.Solve.Polynomial:cubForm  from diagrams-solve-0.1, D"
      :precision binary64
    
      :alt
      (! :herbie-platform default (/ (acos (* (/ (/ x 27) (* y z)) (/ (sqrt t) (/ 2 3)))) 3))
    
      (* (/ 1.0 3.0) (acos (* (/ (* 3.0 (/ x (* y 27.0))) (* z 2.0)) (sqrt t)))))