mixedcos

Percentage Accurate: 67.2% → 97.4%
Time: 12.7s
Alternatives: 9
Speedup: 24.1×

Specification

?
\[\begin{array}{l} \\ \frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (/ (cos (* 2.0 x)) (* (pow c 2.0) (* (* x (pow s 2.0)) x))))
double code(double x, double c, double s) {
	return cos((2.0 * x)) / (pow(c, 2.0) * ((x * pow(s, 2.0)) * x));
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    code = cos((2.0d0 * x)) / ((c ** 2.0d0) * ((x * (s ** 2.0d0)) * x))
end function
public static double code(double x, double c, double s) {
	return Math.cos((2.0 * x)) / (Math.pow(c, 2.0) * ((x * Math.pow(s, 2.0)) * x));
}
def code(x, c, s):
	return math.cos((2.0 * x)) / (math.pow(c, 2.0) * ((x * math.pow(s, 2.0)) * x))
function code(x, c, s)
	return Float64(cos(Float64(2.0 * x)) / Float64((c ^ 2.0) * Float64(Float64(x * (s ^ 2.0)) * x)))
end
function tmp = code(x, c, s)
	tmp = cos((2.0 * x)) / ((c ^ 2.0) * ((x * (s ^ 2.0)) * x));
end
code[x_, c_, s_] := N[(N[Cos[N[(2.0 * x), $MachinePrecision]], $MachinePrecision] / N[(N[Power[c, 2.0], $MachinePrecision] * N[(N[(x * N[Power[s, 2.0], $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\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 9 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: 67.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (/ (cos (* 2.0 x)) (* (pow c 2.0) (* (* x (pow s 2.0)) x))))
double code(double x, double c, double s) {
	return cos((2.0 * x)) / (pow(c, 2.0) * ((x * pow(s, 2.0)) * x));
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    code = cos((2.0d0 * x)) / ((c ** 2.0d0) * ((x * (s ** 2.0d0)) * x))
end function
public static double code(double x, double c, double s) {
	return Math.cos((2.0 * x)) / (Math.pow(c, 2.0) * ((x * Math.pow(s, 2.0)) * x));
}
def code(x, c, s):
	return math.cos((2.0 * x)) / (math.pow(c, 2.0) * ((x * math.pow(s, 2.0)) * x))
function code(x, c, s)
	return Float64(cos(Float64(2.0 * x)) / Float64((c ^ 2.0) * Float64(Float64(x * (s ^ 2.0)) * x)))
end
function tmp = code(x, c, s)
	tmp = cos((2.0 * x)) / ((c ^ 2.0) * ((x * (s ^ 2.0)) * x));
end
code[x_, c_, s_] := N[(N[Cos[N[(2.0 * x), $MachinePrecision]], $MachinePrecision] / N[(N[Power[c, 2.0], $MachinePrecision] * N[(N[(x * N[Power[s, 2.0], $MachinePrecision]), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)}
\end{array}

Alternative 1: 97.4% accurate, 1.5× speedup?

\[\begin{array}{l} \\ {\left(\left(c \cdot s\right) \cdot x\right)}^{-2} \cdot \cos \left(x \cdot -2\right) \end{array} \]
(FPCore (x c s)
 :precision binary64
 (* (pow (* (* c s) x) -2.0) (cos (* x -2.0))))
double code(double x, double c, double s) {
	return pow(((c * s) * x), -2.0) * cos((x * -2.0));
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    code = (((c * s) * x) ** (-2.0d0)) * cos((x * (-2.0d0)))
end function
public static double code(double x, double c, double s) {
	return Math.pow(((c * s) * x), -2.0) * Math.cos((x * -2.0));
}
def code(x, c, s):
	return math.pow(((c * s) * x), -2.0) * math.cos((x * -2.0))
function code(x, c, s)
	return Float64((Float64(Float64(c * s) * x) ^ -2.0) * cos(Float64(x * -2.0)))
end
function tmp = code(x, c, s)
	tmp = (((c * s) * x) ^ -2.0) * cos((x * -2.0));
end
code[x_, c_, s_] := N[(N[Power[N[(N[(c * s), $MachinePrecision] * x), $MachinePrecision], -2.0], $MachinePrecision] * N[Cos[N[(x * -2.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
{\left(\left(c \cdot s\right) \cdot x\right)}^{-2} \cdot \cos \left(x \cdot -2\right)
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Step-by-step derivation
    1. associate-/r*69.2%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x}} \]
    2. cos-neg69.2%

      \[\leadsto \frac{\frac{\color{blue}{\cos \left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    3. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(2 \cdot \left(-x\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    4. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    5. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(-\color{blue}{x \cdot 2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    6. distribute-rgt-neg-in69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(x \cdot \left(-2\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    7. metadata-eval69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot \color{blue}{-2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    8. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{\left({s}^{2} \cdot x\right)} \cdot x} \]
    9. associate-*l*64.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{{s}^{2} \cdot \left(x \cdot x\right)}} \]
    10. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot \color{blue}{{x}^{2}}} \]
  3. Simplified64.1%

    \[\leadsto \color{blue}{\frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
  4. Add Preprocessing
  5. Taylor expanded in x around inf 64.6%

    \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  6. Step-by-step derivation
    1. associate-/r*64.1%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative64.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr79.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow279.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*80.0%

      \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. *-commutative80.0%

      \[\leadsto \frac{\cos \color{blue}{\left(x \cdot -2\right)}}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    10. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    11. swap-sqr97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    12. unpow297.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    13. *-commutative97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  7. Simplified97.2%

    \[\leadsto \color{blue}{\frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  8. Step-by-step derivation
    1. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{c}^{2} \cdot {\left(s \cdot x\right)}^{2}}} \]
    2. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot {\color{blue}{\left(x \cdot s\right)}}^{2}} \]
    3. unpow-prod-down64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\left({x}^{2} \cdot {s}^{2}\right)}} \]
    4. /-rgt-identity64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{{s}^{2}}{1}}\right)} \]
    5. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{1}{\frac{1}{{s}^{2}}}}\right)} \]
    6. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{{x}^{2}}{\frac{1}{{s}^{2}}}}} \]
    7. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{1}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    8. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{{c}^{2}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    9. unpow264.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\color{blue}{c \cdot c}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}} \]
    10. associate-/l/64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{\frac{1}{{x}^{2} \cdot {s}^{2}}}}} \]
    11. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{\color{blue}{{\left(x \cdot s\right)}^{2}}}}} \]
    12. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{{\color{blue}{\left(s \cdot x\right)}}^{2}}}} \]
    13. pow-flip80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(s \cdot x\right)}^{\left(-2\right)}}}} \]
    14. *-commutative80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\color{blue}{\left(x \cdot s\right)}}^{\left(-2\right)}}} \]
    15. metadata-eval80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\left(x \cdot s\right)}^{\color{blue}{-2}}}} \]
    16. sqr-pow80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)} \cdot {\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
    17. times-frac97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}} \cdot \frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
  9. Applied egg-rr97.6%

    \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}} \]
  10. Applied egg-rr97.5%

    \[\leadsto \color{blue}{{\left(\left(c \cdot s\right) \cdot x\right)}^{-2} \cdot \cos \left(x \cdot -2\right)} \]
  11. Final simplification97.5%

    \[\leadsto {\left(\left(c \cdot s\right) \cdot x\right)}^{-2} \cdot \cos \left(x \cdot -2\right) \]
  12. Add Preprocessing

Alternative 2: 97.4% accurate, 2.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(c \cdot s\right) \cdot x\\ \frac{1}{t\_0} \cdot \frac{\cos \left(x \cdot -2\right)}{t\_0} \end{array} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (let* ((t_0 (* (* c s) x))) (* (/ 1.0 t_0) (/ (cos (* x -2.0)) t_0))))
double code(double x, double c, double s) {
	double t_0 = (c * s) * x;
	return (1.0 / t_0) * (cos((x * -2.0)) / t_0);
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    real(8) :: t_0
    t_0 = (c * s) * x
    code = (1.0d0 / t_0) * (cos((x * (-2.0d0))) / t_0)
end function
public static double code(double x, double c, double s) {
	double t_0 = (c * s) * x;
	return (1.0 / t_0) * (Math.cos((x * -2.0)) / t_0);
}
def code(x, c, s):
	t_0 = (c * s) * x
	return (1.0 / t_0) * (math.cos((x * -2.0)) / t_0)
function code(x, c, s)
	t_0 = Float64(Float64(c * s) * x)
	return Float64(Float64(1.0 / t_0) * Float64(cos(Float64(x * -2.0)) / t_0))
end
function tmp = code(x, c, s)
	t_0 = (c * s) * x;
	tmp = (1.0 / t_0) * (cos((x * -2.0)) / t_0);
end
code[x_, c_, s_] := Block[{t$95$0 = N[(N[(c * s), $MachinePrecision] * x), $MachinePrecision]}, N[(N[(1.0 / t$95$0), $MachinePrecision] * N[(N[Cos[N[(x * -2.0), $MachinePrecision]], $MachinePrecision] / t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(c \cdot s\right) \cdot x\\
\frac{1}{t\_0} \cdot \frac{\cos \left(x \cdot -2\right)}{t\_0}
\end{array}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Step-by-step derivation
    1. associate-/r*69.2%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x}} \]
    2. cos-neg69.2%

      \[\leadsto \frac{\frac{\color{blue}{\cos \left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    3. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(2 \cdot \left(-x\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    4. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    5. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(-\color{blue}{x \cdot 2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    6. distribute-rgt-neg-in69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(x \cdot \left(-2\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    7. metadata-eval69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot \color{blue}{-2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    8. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{\left({s}^{2} \cdot x\right)} \cdot x} \]
    9. associate-*l*64.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{{s}^{2} \cdot \left(x \cdot x\right)}} \]
    10. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot \color{blue}{{x}^{2}}} \]
  3. Simplified64.1%

    \[\leadsto \color{blue}{\frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
  4. Add Preprocessing
  5. Taylor expanded in x around inf 64.6%

    \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  6. Step-by-step derivation
    1. associate-/r*64.1%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative64.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr79.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow279.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*80.0%

      \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. *-commutative80.0%

      \[\leadsto \frac{\cos \color{blue}{\left(x \cdot -2\right)}}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    10. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    11. swap-sqr97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    12. unpow297.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    13. *-commutative97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  7. Simplified97.2%

    \[\leadsto \color{blue}{\frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  8. Step-by-step derivation
    1. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{c}^{2} \cdot {\left(s \cdot x\right)}^{2}}} \]
    2. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot {\color{blue}{\left(x \cdot s\right)}}^{2}} \]
    3. unpow-prod-down64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\left({x}^{2} \cdot {s}^{2}\right)}} \]
    4. /-rgt-identity64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{{s}^{2}}{1}}\right)} \]
    5. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{1}{\frac{1}{{s}^{2}}}}\right)} \]
    6. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{{x}^{2}}{\frac{1}{{s}^{2}}}}} \]
    7. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{1}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    8. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{{c}^{2}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    9. unpow264.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\color{blue}{c \cdot c}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}} \]
    10. associate-/l/64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{\frac{1}{{x}^{2} \cdot {s}^{2}}}}} \]
    11. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{\color{blue}{{\left(x \cdot s\right)}^{2}}}}} \]
    12. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{{\color{blue}{\left(s \cdot x\right)}}^{2}}}} \]
    13. pow-flip80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(s \cdot x\right)}^{\left(-2\right)}}}} \]
    14. *-commutative80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\color{blue}{\left(x \cdot s\right)}}^{\left(-2\right)}}} \]
    15. metadata-eval80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\left(x \cdot s\right)}^{\color{blue}{-2}}}} \]
    16. sqr-pow80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)} \cdot {\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
    17. times-frac97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}} \cdot \frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
  9. Applied egg-rr97.6%

    \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}} \]
  10. Step-by-step derivation
    1. associate-/r*97.5%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}}}}{\frac{c}{\frac{\frac{1}{s}}{x}}}} \]
    2. div-inv97.5%

      \[\leadsto \color{blue}{\frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}}} \cdot \frac{1}{\frac{c}{\frac{\frac{1}{s}}{x}}}} \]
    3. associate-/r/95.4%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{\frac{1}{s}} \cdot x}} \cdot \frac{1}{\frac{c}{\frac{\frac{1}{s}}{x}}} \]
    4. div-inv95.4%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot \frac{1}{\frac{1}{s}}\right)} \cdot x} \cdot \frac{1}{\frac{c}{\frac{\frac{1}{s}}{x}}} \]
    5. clear-num95.4%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot \color{blue}{\frac{s}{1}}\right) \cdot x} \cdot \frac{1}{\frac{c}{\frac{\frac{1}{s}}{x}}} \]
    6. /-rgt-identity95.4%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot \color{blue}{s}\right) \cdot x} \cdot \frac{1}{\frac{c}{\frac{\frac{1}{s}}{x}}} \]
    7. associate-/r/97.5%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot s\right) \cdot x} \cdot \frac{1}{\color{blue}{\frac{c}{\frac{1}{s}} \cdot x}} \]
    8. div-inv97.4%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot s\right) \cdot x} \cdot \frac{1}{\color{blue}{\left(c \cdot \frac{1}{\frac{1}{s}}\right)} \cdot x} \]
    9. clear-num97.4%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot s\right) \cdot x} \cdot \frac{1}{\left(c \cdot \color{blue}{\frac{s}{1}}\right) \cdot x} \]
    10. /-rgt-identity97.4%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot s\right) \cdot x} \cdot \frac{1}{\left(c \cdot \color{blue}{s}\right) \cdot x} \]
  11. Applied egg-rr97.4%

    \[\leadsto \color{blue}{\frac{\cos \left(x \cdot -2\right)}{\left(c \cdot s\right) \cdot x} \cdot \frac{1}{\left(c \cdot s\right) \cdot x}} \]
  12. Final simplification97.4%

    \[\leadsto \frac{1}{\left(c \cdot s\right) \cdot x} \cdot \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot s\right) \cdot x} \]
  13. Add Preprocessing

Alternative 3: 97.1% accurate, 2.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \left(c \cdot s\right) \cdot x\\ \frac{\cos \left(x \cdot -2\right)}{\frac{t\_0}{\frac{1}{t\_0}}} \end{array} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (let* ((t_0 (* (* c s) x))) (/ (cos (* x -2.0)) (/ t_0 (/ 1.0 t_0)))))
double code(double x, double c, double s) {
	double t_0 = (c * s) * x;
	return cos((x * -2.0)) / (t_0 / (1.0 / t_0));
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    real(8) :: t_0
    t_0 = (c * s) * x
    code = cos((x * (-2.0d0))) / (t_0 / (1.0d0 / t_0))
end function
public static double code(double x, double c, double s) {
	double t_0 = (c * s) * x;
	return Math.cos((x * -2.0)) / (t_0 / (1.0 / t_0));
}
def code(x, c, s):
	t_0 = (c * s) * x
	return math.cos((x * -2.0)) / (t_0 / (1.0 / t_0))
function code(x, c, s)
	t_0 = Float64(Float64(c * s) * x)
	return Float64(cos(Float64(x * -2.0)) / Float64(t_0 / Float64(1.0 / t_0)))
end
function tmp = code(x, c, s)
	t_0 = (c * s) * x;
	tmp = cos((x * -2.0)) / (t_0 / (1.0 / t_0));
end
code[x_, c_, s_] := Block[{t$95$0 = N[(N[(c * s), $MachinePrecision] * x), $MachinePrecision]}, N[(N[Cos[N[(x * -2.0), $MachinePrecision]], $MachinePrecision] / N[(t$95$0 / N[(1.0 / t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \left(c \cdot s\right) \cdot x\\
\frac{\cos \left(x \cdot -2\right)}{\frac{t\_0}{\frac{1}{t\_0}}}
\end{array}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Step-by-step derivation
    1. associate-/r*69.2%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x}} \]
    2. cos-neg69.2%

      \[\leadsto \frac{\frac{\color{blue}{\cos \left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    3. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(2 \cdot \left(-x\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    4. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    5. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(-\color{blue}{x \cdot 2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    6. distribute-rgt-neg-in69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(x \cdot \left(-2\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    7. metadata-eval69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot \color{blue}{-2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    8. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{\left({s}^{2} \cdot x\right)} \cdot x} \]
    9. associate-*l*64.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{{s}^{2} \cdot \left(x \cdot x\right)}} \]
    10. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot \color{blue}{{x}^{2}}} \]
  3. Simplified64.1%

    \[\leadsto \color{blue}{\frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
  4. Add Preprocessing
  5. Taylor expanded in x around inf 64.6%

    \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  6. Step-by-step derivation
    1. associate-/r*64.1%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative64.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr79.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow279.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*80.0%

      \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. *-commutative80.0%

      \[\leadsto \frac{\cos \color{blue}{\left(x \cdot -2\right)}}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    10. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    11. swap-sqr97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    12. unpow297.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    13. *-commutative97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  7. Simplified97.2%

    \[\leadsto \color{blue}{\frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  8. Step-by-step derivation
    1. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{c}^{2} \cdot {\left(s \cdot x\right)}^{2}}} \]
    2. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot {\color{blue}{\left(x \cdot s\right)}}^{2}} \]
    3. unpow-prod-down64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\left({x}^{2} \cdot {s}^{2}\right)}} \]
    4. /-rgt-identity64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{{s}^{2}}{1}}\right)} \]
    5. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{1}{\frac{1}{{s}^{2}}}}\right)} \]
    6. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{{x}^{2}}{\frac{1}{{s}^{2}}}}} \]
    7. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{1}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    8. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{{c}^{2}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    9. unpow264.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\color{blue}{c \cdot c}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}} \]
    10. associate-/l/64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{\frac{1}{{x}^{2} \cdot {s}^{2}}}}} \]
    11. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{\color{blue}{{\left(x \cdot s\right)}^{2}}}}} \]
    12. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{{\color{blue}{\left(s \cdot x\right)}}^{2}}}} \]
    13. pow-flip80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(s \cdot x\right)}^{\left(-2\right)}}}} \]
    14. *-commutative80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\color{blue}{\left(x \cdot s\right)}}^{\left(-2\right)}}} \]
    15. metadata-eval80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\left(x \cdot s\right)}^{\color{blue}{-2}}}} \]
    16. sqr-pow80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)} \cdot {\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
    17. times-frac97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}} \cdot \frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
  9. Applied egg-rr97.6%

    \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}} \]
  10. Step-by-step derivation
    1. clear-num97.5%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \color{blue}{\frac{1}{\frac{\frac{\frac{1}{s}}{x}}{c}}}} \]
    2. clear-num97.5%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{1}{\color{blue}{\frac{1}{\frac{c}{\frac{\frac{1}{s}}{x}}}}}} \]
    3. div-inv97.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{1}{\frac{1}{\color{blue}{c \cdot \frac{1}{\frac{\frac{1}{s}}{x}}}}}} \]
    4. associate-/l/97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{1}{\frac{1}{c \cdot \frac{1}{\color{blue}{\frac{1}{x \cdot s}}}}}} \]
    5. *-commutative97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{1}{\frac{1}{c \cdot \frac{1}{\frac{1}{\color{blue}{s \cdot x}}}}}} \]
    6. remove-double-div97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{1}{\frac{1}{c \cdot \color{blue}{\left(s \cdot x\right)}}}} \]
    7. inv-pow97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{1}{\color{blue}{{\left(c \cdot \left(s \cdot x\right)\right)}^{-1}}}} \]
    8. metadata-eval97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\color{blue}{\left(\frac{-2}{2}\right)}}}} \]
    9. un-div-inv97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{\frac{c}{\frac{\frac{1}{s}}{x}}}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(\frac{-2}{2}\right)}}}} \]
    10. associate-/r/95.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\color{blue}{\frac{c}{\frac{1}{s}} \cdot x}}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(\frac{-2}{2}\right)}}} \]
    11. div-inv95.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\color{blue}{\left(c \cdot \frac{1}{\frac{1}{s}}\right)} \cdot x}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(\frac{-2}{2}\right)}}} \]
    12. clear-num95.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\left(c \cdot \color{blue}{\frac{s}{1}}\right) \cdot x}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(\frac{-2}{2}\right)}}} \]
    13. /-rgt-identity95.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\left(c \cdot \color{blue}{s}\right) \cdot x}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(\frac{-2}{2}\right)}}} \]
    14. metadata-eval95.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\left(c \cdot s\right) \cdot x}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\color{blue}{-1}}}} \]
    15. inv-pow95.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\left(c \cdot s\right) \cdot x}{\color{blue}{\frac{1}{c \cdot \left(s \cdot x\right)}}}} \]
    16. associate-*r*97.5%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\left(c \cdot s\right) \cdot x}{\frac{1}{\color{blue}{\left(c \cdot s\right) \cdot x}}}} \]
  11. Applied egg-rr97.5%

    \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{\left(c \cdot s\right) \cdot x}{\frac{1}{\left(c \cdot s\right) \cdot x}}}} \]
  12. Final simplification97.5%

    \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\left(c \cdot s\right) \cdot x}{\frac{1}{\left(c \cdot s\right) \cdot x}}} \]
  13. Add Preprocessing

Alternative 4: 96.8% accurate, 2.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := c \cdot \left(s \cdot x\right)\\ \frac{\cos \left(x \cdot -2\right)}{t\_0 \cdot t\_0} \end{array} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (let* ((t_0 (* c (* s x)))) (/ (cos (* x -2.0)) (* t_0 t_0))))
double code(double x, double c, double s) {
	double t_0 = c * (s * x);
	return cos((x * -2.0)) / (t_0 * t_0);
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    real(8) :: t_0
    t_0 = c * (s * x)
    code = cos((x * (-2.0d0))) / (t_0 * t_0)
end function
public static double code(double x, double c, double s) {
	double t_0 = c * (s * x);
	return Math.cos((x * -2.0)) / (t_0 * t_0);
}
def code(x, c, s):
	t_0 = c * (s * x)
	return math.cos((x * -2.0)) / (t_0 * t_0)
function code(x, c, s)
	t_0 = Float64(c * Float64(s * x))
	return Float64(cos(Float64(x * -2.0)) / Float64(t_0 * t_0))
end
function tmp = code(x, c, s)
	t_0 = c * (s * x);
	tmp = cos((x * -2.0)) / (t_0 * t_0);
end
code[x_, c_, s_] := Block[{t$95$0 = N[(c * N[(s * x), $MachinePrecision]), $MachinePrecision]}, N[(N[Cos[N[(x * -2.0), $MachinePrecision]], $MachinePrecision] / N[(t$95$0 * t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := c \cdot \left(s \cdot x\right)\\
\frac{\cos \left(x \cdot -2\right)}{t\_0 \cdot t\_0}
\end{array}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Step-by-step derivation
    1. associate-/r*69.2%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x}} \]
    2. cos-neg69.2%

      \[\leadsto \frac{\frac{\color{blue}{\cos \left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    3. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(2 \cdot \left(-x\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    4. distribute-rgt-neg-out69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(-2 \cdot x\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    5. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(-\color{blue}{x \cdot 2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    6. distribute-rgt-neg-in69.2%

      \[\leadsto \frac{\frac{\cos \color{blue}{\left(x \cdot \left(-2\right)\right)}}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    7. metadata-eval69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot \color{blue}{-2}\right)}{{c}^{2}}}{\left(x \cdot {s}^{2}\right) \cdot x} \]
    8. *-commutative69.2%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{\left({s}^{2} \cdot x\right)} \cdot x} \]
    9. associate-*l*64.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{\color{blue}{{s}^{2} \cdot \left(x \cdot x\right)}} \]
    10. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot \color{blue}{{x}^{2}}} \]
  3. Simplified64.1%

    \[\leadsto \color{blue}{\frac{\frac{\cos \left(x \cdot -2\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
  4. Add Preprocessing
  5. Taylor expanded in x around inf 64.6%

    \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  6. Step-by-step derivation
    1. associate-/r*64.1%

      \[\leadsto \color{blue}{\frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative64.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow264.1%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr79.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow279.5%

      \[\leadsto \frac{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*80.0%

      \[\leadsto \color{blue}{\frac{\cos \left(-2 \cdot x\right)}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. *-commutative80.0%

      \[\leadsto \frac{\cos \color{blue}{\left(x \cdot -2\right)}}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    10. unpow280.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    11. swap-sqr97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    12. unpow297.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    13. *-commutative97.2%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  7. Simplified97.2%

    \[\leadsto \color{blue}{\frac{\cos \left(x \cdot -2\right)}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  8. Step-by-step derivation
    1. unpow279.2%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(s \cdot x\right)\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)}} \]
  9. Applied egg-rr97.2%

    \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\left(c \cdot \left(s \cdot x\right)\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)}} \]
  10. Final simplification97.2%

    \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\left(c \cdot \left(s \cdot x\right)\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)} \]
  11. Add Preprocessing

Alternative 5: 77.9% accurate, 18.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{c}{\frac{\frac{1}{s}}{x}}\\ \frac{1}{t\_0 \cdot t\_0} \end{array} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (let* ((t_0 (/ c (/ (/ 1.0 s) x)))) (/ 1.0 (* t_0 t_0))))
double code(double x, double c, double s) {
	double t_0 = c / ((1.0 / s) / x);
	return 1.0 / (t_0 * t_0);
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    real(8) :: t_0
    t_0 = c / ((1.0d0 / s) / x)
    code = 1.0d0 / (t_0 * t_0)
end function
public static double code(double x, double c, double s) {
	double t_0 = c / ((1.0 / s) / x);
	return 1.0 / (t_0 * t_0);
}
def code(x, c, s):
	t_0 = c / ((1.0 / s) / x)
	return 1.0 / (t_0 * t_0)
function code(x, c, s)
	t_0 = Float64(c / Float64(Float64(1.0 / s) / x))
	return Float64(1.0 / Float64(t_0 * t_0))
end
function tmp = code(x, c, s)
	t_0 = c / ((1.0 / s) / x);
	tmp = 1.0 / (t_0 * t_0);
end
code[x_, c_, s_] := Block[{t$95$0 = N[(c / N[(N[(1.0 / s), $MachinePrecision] / x), $MachinePrecision]), $MachinePrecision]}, N[(1.0 / N[(t$95$0 * t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{c}{\frac{\frac{1}{s}}{x}}\\
\frac{1}{t\_0 \cdot t\_0}
\end{array}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Add Preprocessing
  3. Taylor expanded in x around 0 57.9%

    \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  4. Step-by-step derivation
    1. associate-/r*57.5%

      \[\leadsto \color{blue}{\frac{\frac{1}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative57.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr68.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow268.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*68.5%

      \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. unpow268.5%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow268.5%

      \[\leadsto \frac{1}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    10. swap-sqr79.2%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    11. unpow279.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    12. *-commutative79.2%

      \[\leadsto \frac{1}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  5. Simplified79.2%

    \[\leadsto \color{blue}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  6. Step-by-step derivation
    1. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{{c}^{2} \cdot {\left(s \cdot x\right)}^{2}}} \]
    2. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot {\color{blue}{\left(x \cdot s\right)}}^{2}} \]
    3. unpow-prod-down64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\left({x}^{2} \cdot {s}^{2}\right)}} \]
    4. /-rgt-identity64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{{s}^{2}}{1}}\right)} \]
    5. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \left({x}^{2} \cdot \color{blue}{\frac{1}{\frac{1}{{s}^{2}}}}\right)} \]
    6. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{{x}^{2}}{\frac{1}{{s}^{2}}}}} \]
    7. clear-num64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{{c}^{2} \cdot \color{blue}{\frac{1}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    8. div-inv64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{{c}^{2}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}}} \]
    9. unpow264.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{\color{blue}{c \cdot c}}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}} \]
    10. associate-/l/64.6%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{\frac{1}{{x}^{2} \cdot {s}^{2}}}}} \]
    11. unpow-prod-down80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{\color{blue}{{\left(x \cdot s\right)}^{2}}}}} \]
    12. *-commutative80.0%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\frac{1}{{\color{blue}{\left(s \cdot x\right)}}^{2}}}} \]
    13. pow-flip80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(s \cdot x\right)}^{\left(-2\right)}}}} \]
    14. *-commutative80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\color{blue}{\left(x \cdot s\right)}}^{\left(-2\right)}}} \]
    15. metadata-eval80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{{\left(x \cdot s\right)}^{\color{blue}{-2}}}} \]
    16. sqr-pow80.3%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\frac{c \cdot c}{\color{blue}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)} \cdot {\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
    17. times-frac97.1%

      \[\leadsto \frac{\cos \left(x \cdot -2\right)}{\color{blue}{\frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}} \cdot \frac{c}{{\left(x \cdot s\right)}^{\left(\frac{-2}{2}\right)}}}} \]
  7. Applied egg-rr79.3%

    \[\leadsto \frac{1}{\color{blue}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}} \]
  8. Final simplification79.3%

    \[\leadsto \frac{1}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{c}{\frac{\frac{1}{s}}{x}}} \]
  9. Add Preprocessing

Alternative 6: 78.1% accurate, 20.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{\frac{\frac{1}{s}}{x}}{c}\\ t\_0 \cdot t\_0 \end{array} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (let* ((t_0 (/ (/ (/ 1.0 s) x) c))) (* t_0 t_0)))
double code(double x, double c, double s) {
	double t_0 = ((1.0 / s) / x) / c;
	return t_0 * t_0;
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    real(8) :: t_0
    t_0 = ((1.0d0 / s) / x) / c
    code = t_0 * t_0
end function
public static double code(double x, double c, double s) {
	double t_0 = ((1.0 / s) / x) / c;
	return t_0 * t_0;
}
def code(x, c, s):
	t_0 = ((1.0 / s) / x) / c
	return t_0 * t_0
function code(x, c, s)
	t_0 = Float64(Float64(Float64(1.0 / s) / x) / c)
	return Float64(t_0 * t_0)
end
function tmp = code(x, c, s)
	t_0 = ((1.0 / s) / x) / c;
	tmp = t_0 * t_0;
end
code[x_, c_, s_] := Block[{t$95$0 = N[(N[(N[(1.0 / s), $MachinePrecision] / x), $MachinePrecision] / c), $MachinePrecision]}, N[(t$95$0 * t$95$0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{\frac{\frac{1}{s}}{x}}{c}\\
t\_0 \cdot t\_0
\end{array}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Add Preprocessing
  3. Taylor expanded in x around 0 57.9%

    \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  4. Step-by-step derivation
    1. associate-/r*57.5%

      \[\leadsto \color{blue}{\frac{\frac{1}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative57.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr68.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow268.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*68.5%

      \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. unpow268.5%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow268.5%

      \[\leadsto \frac{1}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    10. swap-sqr79.2%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    11. unpow279.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    12. *-commutative79.2%

      \[\leadsto \frac{1}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  5. Simplified79.2%

    \[\leadsto \color{blue}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  6. Step-by-step derivation
    1. metadata-eval79.2%

      \[\leadsto \frac{\color{blue}{1 \cdot 1}}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}} \]
    2. *-commutative79.2%

      \[\leadsto \frac{1 \cdot 1}{{\color{blue}{\left(\left(s \cdot x\right) \cdot c\right)}}^{2}} \]
    3. unpow-prod-down68.5%

      \[\leadsto \frac{1 \cdot 1}{\color{blue}{{\left(s \cdot x\right)}^{2} \cdot {c}^{2}}} \]
    4. *-commutative68.5%

      \[\leadsto \frac{1 \cdot 1}{{\color{blue}{\left(x \cdot s\right)}}^{2} \cdot {c}^{2}} \]
    5. frac-times68.0%

      \[\leadsto \color{blue}{\frac{1}{{\left(x \cdot s\right)}^{2}} \cdot \frac{1}{{c}^{2}}} \]
    6. unpow-prod-down57.5%

      \[\leadsto \frac{1}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \cdot \frac{1}{{c}^{2}} \]
    7. associate-/l/57.5%

      \[\leadsto \color{blue}{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}} \cdot \frac{1}{{c}^{2}} \]
    8. div-inv57.9%

      \[\leadsto \color{blue}{\frac{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}{{c}^{2}}} \]
    9. add-sqr-sqrt57.9%

      \[\leadsto \color{blue}{\sqrt{\frac{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}{{c}^{2}}} \cdot \sqrt{\frac{\frac{\frac{1}{{s}^{2}}}{{x}^{2}}}{{c}^{2}}}} \]
  7. Applied egg-rr79.2%

    \[\leadsto \color{blue}{\frac{\frac{\frac{1}{s}}{x}}{c} \cdot \frac{\frac{\frac{1}{s}}{x}}{c}} \]
  8. Final simplification79.2%

    \[\leadsto \frac{\frac{\frac{1}{s}}{x}}{c} \cdot \frac{\frac{\frac{1}{s}}{x}}{c} \]
  9. Add Preprocessing

Alternative 7: 72.1% accurate, 24.1× speedup?

\[\begin{array}{l} \\ \frac{1}{c \cdot \left(s \cdot \left(c \cdot \left(x \cdot \left(s \cdot x\right)\right)\right)\right)} \end{array} \]
(FPCore (x c s) :precision binary64 (/ 1.0 (* c (* s (* c (* x (* s x)))))))
double code(double x, double c, double s) {
	return 1.0 / (c * (s * (c * (x * (s * x)))));
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    code = 1.0d0 / (c * (s * (c * (x * (s * x)))))
end function
public static double code(double x, double c, double s) {
	return 1.0 / (c * (s * (c * (x * (s * x)))));
}
def code(x, c, s):
	return 1.0 / (c * (s * (c * (x * (s * x)))))
function code(x, c, s)
	return Float64(1.0 / Float64(c * Float64(s * Float64(c * Float64(x * Float64(s * x))))))
end
function tmp = code(x, c, s)
	tmp = 1.0 / (c * (s * (c * (x * (s * x)))));
end
code[x_, c_, s_] := N[(1.0 / N[(c * N[(s * N[(c * N[(x * N[(s * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{1}{c \cdot \left(s \cdot \left(c \cdot \left(x \cdot \left(s \cdot x\right)\right)\right)\right)}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Add Preprocessing
  3. Taylor expanded in x around 0 57.9%

    \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  4. Step-by-step derivation
    1. associate-/r*57.5%

      \[\leadsto \color{blue}{\frac{\frac{1}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative57.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr68.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow268.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*68.5%

      \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. unpow268.5%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow268.5%

      \[\leadsto \frac{1}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    10. swap-sqr79.2%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    11. unpow279.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    12. *-commutative79.2%

      \[\leadsto \frac{1}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  5. Simplified79.2%

    \[\leadsto \color{blue}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  6. Step-by-step derivation
    1. /-rgt-identity79.2%

      \[\leadsto \frac{1}{\color{blue}{\frac{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}{1}}} \]
    2. clear-num79.2%

      \[\leadsto \frac{1}{\color{blue}{\frac{1}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}}}} \]
    3. pow-flip79.2%

      \[\leadsto \frac{1}{\frac{1}{\color{blue}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(-2\right)}}}} \]
    4. metadata-eval79.2%

      \[\leadsto \frac{1}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\color{blue}{-2}}}} \]
  7. Applied egg-rr79.2%

    \[\leadsto \frac{1}{\color{blue}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{-2}}}} \]
  8. Step-by-step derivation
    1. pow-flip79.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(--2\right)}}} \]
    2. remove-double-div79.1%

      \[\leadsto \frac{1}{{\left(c \cdot \color{blue}{\frac{1}{\frac{1}{s \cdot x}}}\right)}^{\left(--2\right)}} \]
    3. *-commutative79.1%

      \[\leadsto \frac{1}{{\left(c \cdot \frac{1}{\frac{1}{\color{blue}{x \cdot s}}}\right)}^{\left(--2\right)}} \]
    4. associate-/l/79.1%

      \[\leadsto \frac{1}{{\left(c \cdot \frac{1}{\color{blue}{\frac{\frac{1}{s}}{x}}}\right)}^{\left(--2\right)}} \]
    5. div-inv79.3%

      \[\leadsto \frac{1}{{\color{blue}{\left(\frac{c}{\frac{\frac{1}{s}}{x}}\right)}}^{\left(--2\right)}} \]
    6. metadata-eval79.3%

      \[\leadsto \frac{1}{{\left(\frac{c}{\frac{\frac{1}{s}}{x}}\right)}^{\color{blue}{2}}} \]
    7. pow279.3%

      \[\leadsto \frac{1}{\color{blue}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}} \]
    8. associate-*l/76.1%

      \[\leadsto \frac{1}{\color{blue}{\frac{c \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}{\frac{\frac{1}{s}}{x}}}} \]
    9. *-un-lft-identity76.1%

      \[\leadsto \frac{1}{\frac{c \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}{\color{blue}{1 \cdot \frac{\frac{1}{s}}{x}}}} \]
    10. times-frac78.1%

      \[\leadsto \frac{1}{\color{blue}{\frac{c}{1} \cdot \frac{\frac{c}{\frac{\frac{1}{s}}{x}}}{\frac{\frac{1}{s}}{x}}}} \]
    11. /-rgt-identity78.1%

      \[\leadsto \frac{1}{\color{blue}{c} \cdot \frac{\frac{c}{\frac{\frac{1}{s}}{x}}}{\frac{\frac{1}{s}}{x}}} \]
    12. associate-/r/76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\color{blue}{\frac{c}{\frac{1}{s}} \cdot x}}{\frac{\frac{1}{s}}{x}}} \]
    13. div-inv76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\color{blue}{\left(c \cdot \frac{1}{\frac{1}{s}}\right)} \cdot x}{\frac{\frac{1}{s}}{x}}} \]
    14. clear-num76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot \color{blue}{\frac{s}{1}}\right) \cdot x}{\frac{\frac{1}{s}}{x}}} \]
    15. /-rgt-identity76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot \color{blue}{s}\right) \cdot x}{\frac{\frac{1}{s}}{x}}} \]
    16. associate-/l/76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot s\right) \cdot x}{\color{blue}{\frac{1}{x \cdot s}}}} \]
    17. *-commutative76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot s\right) \cdot x}{\frac{1}{\color{blue}{s \cdot x}}}} \]
  9. Applied egg-rr76.9%

    \[\leadsto \frac{1}{\color{blue}{c \cdot \frac{\left(c \cdot s\right) \cdot x}{\frac{1}{s \cdot x}}}} \]
  10. Step-by-step derivation
    1. associate-/l*73.3%

      \[\leadsto \frac{1}{c \cdot \color{blue}{\left(\left(c \cdot s\right) \cdot \frac{x}{\frac{1}{s \cdot x}}\right)}} \]
    2. *-commutative73.3%

      \[\leadsto \frac{1}{c \cdot \left(\color{blue}{\left(s \cdot c\right)} \cdot \frac{x}{\frac{1}{s \cdot x}}\right)} \]
    3. associate-*l*73.9%

      \[\leadsto \frac{1}{c \cdot \color{blue}{\left(s \cdot \left(c \cdot \frac{x}{\frac{1}{s \cdot x}}\right)\right)}} \]
    4. div-inv73.9%

      \[\leadsto \frac{1}{c \cdot \left(s \cdot \left(c \cdot \color{blue}{\left(x \cdot \frac{1}{\frac{1}{s \cdot x}}\right)}\right)\right)} \]
    5. remove-double-div73.9%

      \[\leadsto \frac{1}{c \cdot \left(s \cdot \left(c \cdot \left(x \cdot \color{blue}{\left(s \cdot x\right)}\right)\right)\right)} \]
  11. Applied egg-rr73.9%

    \[\leadsto \frac{1}{c \cdot \color{blue}{\left(s \cdot \left(c \cdot \left(x \cdot \left(s \cdot x\right)\right)\right)\right)}} \]
  12. Final simplification73.9%

    \[\leadsto \frac{1}{c \cdot \left(s \cdot \left(c \cdot \left(x \cdot \left(s \cdot x\right)\right)\right)\right)} \]
  13. Add Preprocessing

Alternative 8: 76.6% accurate, 24.1× speedup?

\[\begin{array}{l} \\ \frac{1}{c \cdot \left(\left(s \cdot x\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)\right)} \end{array} \]
(FPCore (x c s) :precision binary64 (/ 1.0 (* c (* (* s x) (* c (* s x))))))
double code(double x, double c, double s) {
	return 1.0 / (c * ((s * x) * (c * (s * x))));
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    code = 1.0d0 / (c * ((s * x) * (c * (s * x))))
end function
public static double code(double x, double c, double s) {
	return 1.0 / (c * ((s * x) * (c * (s * x))));
}
def code(x, c, s):
	return 1.0 / (c * ((s * x) * (c * (s * x))))
function code(x, c, s)
	return Float64(1.0 / Float64(c * Float64(Float64(s * x) * Float64(c * Float64(s * x)))))
end
function tmp = code(x, c, s)
	tmp = 1.0 / (c * ((s * x) * (c * (s * x))));
end
code[x_, c_, s_] := N[(1.0 / N[(c * N[(N[(s * x), $MachinePrecision] * N[(c * N[(s * x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{1}{c \cdot \left(\left(s \cdot x\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)\right)}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Add Preprocessing
  3. Taylor expanded in x around 0 57.9%

    \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  4. Step-by-step derivation
    1. associate-/r*57.5%

      \[\leadsto \color{blue}{\frac{\frac{1}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative57.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr68.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow268.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*68.5%

      \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. unpow268.5%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow268.5%

      \[\leadsto \frac{1}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    10. swap-sqr79.2%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    11. unpow279.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    12. *-commutative79.2%

      \[\leadsto \frac{1}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  5. Simplified79.2%

    \[\leadsto \color{blue}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  6. Step-by-step derivation
    1. /-rgt-identity79.2%

      \[\leadsto \frac{1}{\color{blue}{\frac{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}{1}}} \]
    2. clear-num79.2%

      \[\leadsto \frac{1}{\color{blue}{\frac{1}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}}}} \]
    3. pow-flip79.2%

      \[\leadsto \frac{1}{\frac{1}{\color{blue}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(-2\right)}}}} \]
    4. metadata-eval79.2%

      \[\leadsto \frac{1}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\color{blue}{-2}}}} \]
  7. Applied egg-rr79.2%

    \[\leadsto \frac{1}{\color{blue}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{-2}}}} \]
  8. Step-by-step derivation
    1. pow-flip79.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(c \cdot \left(s \cdot x\right)\right)}^{\left(--2\right)}}} \]
    2. remove-double-div79.1%

      \[\leadsto \frac{1}{{\left(c \cdot \color{blue}{\frac{1}{\frac{1}{s \cdot x}}}\right)}^{\left(--2\right)}} \]
    3. *-commutative79.1%

      \[\leadsto \frac{1}{{\left(c \cdot \frac{1}{\frac{1}{\color{blue}{x \cdot s}}}\right)}^{\left(--2\right)}} \]
    4. associate-/l/79.1%

      \[\leadsto \frac{1}{{\left(c \cdot \frac{1}{\color{blue}{\frac{\frac{1}{s}}{x}}}\right)}^{\left(--2\right)}} \]
    5. div-inv79.3%

      \[\leadsto \frac{1}{{\color{blue}{\left(\frac{c}{\frac{\frac{1}{s}}{x}}\right)}}^{\left(--2\right)}} \]
    6. metadata-eval79.3%

      \[\leadsto \frac{1}{{\left(\frac{c}{\frac{\frac{1}{s}}{x}}\right)}^{\color{blue}{2}}} \]
    7. pow279.3%

      \[\leadsto \frac{1}{\color{blue}{\frac{c}{\frac{\frac{1}{s}}{x}} \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}} \]
    8. associate-*l/76.1%

      \[\leadsto \frac{1}{\color{blue}{\frac{c \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}{\frac{\frac{1}{s}}{x}}}} \]
    9. *-un-lft-identity76.1%

      \[\leadsto \frac{1}{\frac{c \cdot \frac{c}{\frac{\frac{1}{s}}{x}}}{\color{blue}{1 \cdot \frac{\frac{1}{s}}{x}}}} \]
    10. times-frac78.1%

      \[\leadsto \frac{1}{\color{blue}{\frac{c}{1} \cdot \frac{\frac{c}{\frac{\frac{1}{s}}{x}}}{\frac{\frac{1}{s}}{x}}}} \]
    11. /-rgt-identity78.1%

      \[\leadsto \frac{1}{\color{blue}{c} \cdot \frac{\frac{c}{\frac{\frac{1}{s}}{x}}}{\frac{\frac{1}{s}}{x}}} \]
    12. associate-/r/76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\color{blue}{\frac{c}{\frac{1}{s}} \cdot x}}{\frac{\frac{1}{s}}{x}}} \]
    13. div-inv76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\color{blue}{\left(c \cdot \frac{1}{\frac{1}{s}}\right)} \cdot x}{\frac{\frac{1}{s}}{x}}} \]
    14. clear-num76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot \color{blue}{\frac{s}{1}}\right) \cdot x}{\frac{\frac{1}{s}}{x}}} \]
    15. /-rgt-identity76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot \color{blue}{s}\right) \cdot x}{\frac{\frac{1}{s}}{x}}} \]
    16. associate-/l/76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot s\right) \cdot x}{\color{blue}{\frac{1}{x \cdot s}}}} \]
    17. *-commutative76.9%

      \[\leadsto \frac{1}{c \cdot \frac{\left(c \cdot s\right) \cdot x}{\frac{1}{\color{blue}{s \cdot x}}}} \]
  9. Applied egg-rr76.9%

    \[\leadsto \frac{1}{\color{blue}{c \cdot \frac{\left(c \cdot s\right) \cdot x}{\frac{1}{s \cdot x}}}} \]
  10. Step-by-step derivation
    1. associate-/r/76.9%

      \[\leadsto \frac{1}{c \cdot \color{blue}{\left(\frac{\left(c \cdot s\right) \cdot x}{1} \cdot \left(s \cdot x\right)\right)}} \]
    2. /-rgt-identity76.9%

      \[\leadsto \frac{1}{c \cdot \left(\color{blue}{\left(\left(c \cdot s\right) \cdot x\right)} \cdot \left(s \cdot x\right)\right)} \]
    3. *-commutative76.9%

      \[\leadsto \frac{1}{c \cdot \color{blue}{\left(\left(s \cdot x\right) \cdot \left(\left(c \cdot s\right) \cdot x\right)\right)}} \]
    4. associate-*r*78.1%

      \[\leadsto \frac{1}{c \cdot \left(\left(s \cdot x\right) \cdot \color{blue}{\left(c \cdot \left(s \cdot x\right)\right)}\right)} \]
  11. Applied egg-rr78.1%

    \[\leadsto \frac{1}{c \cdot \color{blue}{\left(\left(s \cdot x\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)\right)}} \]
  12. Final simplification78.1%

    \[\leadsto \frac{1}{c \cdot \left(\left(s \cdot x\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)\right)} \]
  13. Add Preprocessing

Alternative 9: 78.1% accurate, 24.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := c \cdot \left(s \cdot x\right)\\ \frac{1}{t\_0 \cdot t\_0} \end{array} \end{array} \]
(FPCore (x c s)
 :precision binary64
 (let* ((t_0 (* c (* s x)))) (/ 1.0 (* t_0 t_0))))
double code(double x, double c, double s) {
	double t_0 = c * (s * x);
	return 1.0 / (t_0 * t_0);
}
real(8) function code(x, c, s)
    real(8), intent (in) :: x
    real(8), intent (in) :: c
    real(8), intent (in) :: s
    real(8) :: t_0
    t_0 = c * (s * x)
    code = 1.0d0 / (t_0 * t_0)
end function
public static double code(double x, double c, double s) {
	double t_0 = c * (s * x);
	return 1.0 / (t_0 * t_0);
}
def code(x, c, s):
	t_0 = c * (s * x)
	return 1.0 / (t_0 * t_0)
function code(x, c, s)
	t_0 = Float64(c * Float64(s * x))
	return Float64(1.0 / Float64(t_0 * t_0))
end
function tmp = code(x, c, s)
	t_0 = c * (s * x);
	tmp = 1.0 / (t_0 * t_0);
end
code[x_, c_, s_] := Block[{t$95$0 = N[(c * N[(s * x), $MachinePrecision]), $MachinePrecision]}, N[(1.0 / N[(t$95$0 * t$95$0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := c \cdot \left(s \cdot x\right)\\
\frac{1}{t\_0 \cdot t\_0}
\end{array}
\end{array}
Derivation
  1. Initial program 69.7%

    \[\frac{\cos \left(2 \cdot x\right)}{{c}^{2} \cdot \left(\left(x \cdot {s}^{2}\right) \cdot x\right)} \]
  2. Add Preprocessing
  3. Taylor expanded in x around 0 57.9%

    \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot \left({s}^{2} \cdot {x}^{2}\right)}} \]
  4. Step-by-step derivation
    1. associate-/r*57.5%

      \[\leadsto \color{blue}{\frac{\frac{1}{{c}^{2}}}{{s}^{2} \cdot {x}^{2}}} \]
    2. *-commutative57.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{x}^{2} \cdot {s}^{2}}} \]
    3. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot x\right)} \cdot {s}^{2}} \]
    4. unpow257.5%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\left(x \cdot x\right) \cdot \color{blue}{\left(s \cdot s\right)}} \]
    5. swap-sqr68.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{\left(x \cdot s\right) \cdot \left(x \cdot s\right)}} \]
    6. unpow268.0%

      \[\leadsto \frac{\frac{1}{{c}^{2}}}{\color{blue}{{\left(x \cdot s\right)}^{2}}} \]
    7. associate-/r*68.5%

      \[\leadsto \color{blue}{\frac{1}{{c}^{2} \cdot {\left(x \cdot s\right)}^{2}}} \]
    8. unpow268.5%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot c\right)} \cdot {\left(x \cdot s\right)}^{2}} \]
    9. unpow268.5%

      \[\leadsto \frac{1}{\left(c \cdot c\right) \cdot \color{blue}{\left(\left(x \cdot s\right) \cdot \left(x \cdot s\right)\right)}} \]
    10. swap-sqr79.2%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(x \cdot s\right)\right) \cdot \left(c \cdot \left(x \cdot s\right)\right)}} \]
    11. unpow279.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(c \cdot \left(x \cdot s\right)\right)}^{2}}} \]
    12. *-commutative79.2%

      \[\leadsto \frac{1}{{\left(c \cdot \color{blue}{\left(s \cdot x\right)}\right)}^{2}} \]
  5. Simplified79.2%

    \[\leadsto \color{blue}{\frac{1}{{\left(c \cdot \left(s \cdot x\right)\right)}^{2}}} \]
  6. Step-by-step derivation
    1. unpow279.2%

      \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(s \cdot x\right)\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)}} \]
  7. Applied egg-rr79.2%

    \[\leadsto \frac{1}{\color{blue}{\left(c \cdot \left(s \cdot x\right)\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)}} \]
  8. Final simplification79.2%

    \[\leadsto \frac{1}{\left(c \cdot \left(s \cdot x\right)\right) \cdot \left(c \cdot \left(s \cdot x\right)\right)} \]
  9. Add Preprocessing

Reproduce

?
herbie shell --seed 2024075 
(FPCore (x c s)
  :name "mixedcos"
  :precision binary64
  (/ (cos (* 2.0 x)) (* (pow c 2.0) (* (* x (pow s 2.0)) x))))