Octave 3.8, jcobi/3

?

Percentage Accurate: 94.2% → 99.5%
Time: 23.5s
Precision: binary64
Cost: 1732

?

\[\alpha > -1 \land \beta > -1\]
\[ \begin{array}{c}[alpha, beta] = \mathsf{sort}([alpha, beta])\\ \end{array} \]
\[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
\[\begin{array}{l} t_0 := \alpha + \left(\beta + 2\right)\\ \mathbf{if}\;\beta \leq 5 \cdot 10^{+22}:\\ \;\;\;\;\left(\beta + 1\right) \cdot \frac{-1 - \alpha}{t_0 \cdot \left(\left(\beta + \left(\alpha + 3\right)\right) \cdot \left(-2 - \left(\beta + \alpha\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{t_0}}{\frac{t_0}{1 + \alpha}}\\ \end{array} \]
(FPCore (alpha beta)
 :precision binary64
 (/
  (/
   (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) (+ (+ alpha beta) (* 2.0 1.0)))
   (+ (+ alpha beta) (* 2.0 1.0)))
  (+ (+ (+ alpha beta) (* 2.0 1.0)) 1.0)))
(FPCore (alpha beta)
 :precision binary64
 (let* ((t_0 (+ alpha (+ beta 2.0))))
   (if (<= beta 5e+22)
     (*
      (+ beta 1.0)
      (/
       (- -1.0 alpha)
       (* t_0 (* (+ beta (+ alpha 3.0)) (- -2.0 (+ beta alpha))))))
     (/ (/ 1.0 t_0) (/ t_0 (+ 1.0 alpha))))))
double code(double alpha, double beta) {
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / ((alpha + beta) + (2.0 * 1.0))) / ((alpha + beta) + (2.0 * 1.0))) / (((alpha + beta) + (2.0 * 1.0)) + 1.0);
}
double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 2.0);
	double tmp;
	if (beta <= 5e+22) {
		tmp = (beta + 1.0) * ((-1.0 - alpha) / (t_0 * ((beta + (alpha + 3.0)) * (-2.0 - (beta + alpha)))));
	} else {
		tmp = (1.0 / t_0) / (t_0 / (1.0 + alpha));
	}
	return tmp;
}
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    code = (((((alpha + beta) + (beta * alpha)) + 1.0d0) / ((alpha + beta) + (2.0d0 * 1.0d0))) / ((alpha + beta) + (2.0d0 * 1.0d0))) / (((alpha + beta) + (2.0d0 * 1.0d0)) + 1.0d0)
end function
real(8) function code(alpha, beta)
    real(8), intent (in) :: alpha
    real(8), intent (in) :: beta
    real(8) :: t_0
    real(8) :: tmp
    t_0 = alpha + (beta + 2.0d0)
    if (beta <= 5d+22) then
        tmp = (beta + 1.0d0) * (((-1.0d0) - alpha) / (t_0 * ((beta + (alpha + 3.0d0)) * ((-2.0d0) - (beta + alpha)))))
    else
        tmp = (1.0d0 / t_0) / (t_0 / (1.0d0 + alpha))
    end if
    code = tmp
end function
public static double code(double alpha, double beta) {
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / ((alpha + beta) + (2.0 * 1.0))) / ((alpha + beta) + (2.0 * 1.0))) / (((alpha + beta) + (2.0 * 1.0)) + 1.0);
}
public static double code(double alpha, double beta) {
	double t_0 = alpha + (beta + 2.0);
	double tmp;
	if (beta <= 5e+22) {
		tmp = (beta + 1.0) * ((-1.0 - alpha) / (t_0 * ((beta + (alpha + 3.0)) * (-2.0 - (beta + alpha)))));
	} else {
		tmp = (1.0 / t_0) / (t_0 / (1.0 + alpha));
	}
	return tmp;
}
def code(alpha, beta):
	return (((((alpha + beta) + (beta * alpha)) + 1.0) / ((alpha + beta) + (2.0 * 1.0))) / ((alpha + beta) + (2.0 * 1.0))) / (((alpha + beta) + (2.0 * 1.0)) + 1.0)
def code(alpha, beta):
	t_0 = alpha + (beta + 2.0)
	tmp = 0
	if beta <= 5e+22:
		tmp = (beta + 1.0) * ((-1.0 - alpha) / (t_0 * ((beta + (alpha + 3.0)) * (-2.0 - (beta + alpha)))))
	else:
		tmp = (1.0 / t_0) / (t_0 / (1.0 + alpha))
	return tmp
function code(alpha, beta)
	return Float64(Float64(Float64(Float64(Float64(Float64(alpha + beta) + Float64(beta * alpha)) + 1.0) / Float64(Float64(alpha + beta) + Float64(2.0 * 1.0))) / Float64(Float64(alpha + beta) + Float64(2.0 * 1.0))) / Float64(Float64(Float64(alpha + beta) + Float64(2.0 * 1.0)) + 1.0))
end
function code(alpha, beta)
	t_0 = Float64(alpha + Float64(beta + 2.0))
	tmp = 0.0
	if (beta <= 5e+22)
		tmp = Float64(Float64(beta + 1.0) * Float64(Float64(-1.0 - alpha) / Float64(t_0 * Float64(Float64(beta + Float64(alpha + 3.0)) * Float64(-2.0 - Float64(beta + alpha))))));
	else
		tmp = Float64(Float64(1.0 / t_0) / Float64(t_0 / Float64(1.0 + alpha)));
	end
	return tmp
end
function tmp = code(alpha, beta)
	tmp = (((((alpha + beta) + (beta * alpha)) + 1.0) / ((alpha + beta) + (2.0 * 1.0))) / ((alpha + beta) + (2.0 * 1.0))) / (((alpha + beta) + (2.0 * 1.0)) + 1.0);
end
function tmp_2 = code(alpha, beta)
	t_0 = alpha + (beta + 2.0);
	tmp = 0.0;
	if (beta <= 5e+22)
		tmp = (beta + 1.0) * ((-1.0 - alpha) / (t_0 * ((beta + (alpha + 3.0)) * (-2.0 - (beta + alpha)))));
	else
		tmp = (1.0 / t_0) / (t_0 / (1.0 + alpha));
	end
	tmp_2 = tmp;
end
code[alpha_, beta_] := N[(N[(N[(N[(N[(N[(alpha + beta), $MachinePrecision] + N[(beta * alpha), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] / N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(N[(N[(alpha + beta), $MachinePrecision] + N[(2.0 * 1.0), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]
code[alpha_, beta_] := Block[{t$95$0 = N[(alpha + N[(beta + 2.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[beta, 5e+22], N[(N[(beta + 1.0), $MachinePrecision] * N[(N[(-1.0 - alpha), $MachinePrecision] / N[(t$95$0 * N[(N[(beta + N[(alpha + 3.0), $MachinePrecision]), $MachinePrecision] * N[(-2.0 - N[(beta + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 / t$95$0), $MachinePrecision] / N[(t$95$0 / N[(1.0 + alpha), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1}
\begin{array}{l}
t_0 := \alpha + \left(\beta + 2\right)\\
\mathbf{if}\;\beta \leq 5 \cdot 10^{+22}:\\
\;\;\;\;\left(\beta + 1\right) \cdot \frac{-1 - \alpha}{t_0 \cdot \left(\left(\beta + \left(\alpha + 3\right)\right) \cdot \left(-2 - \left(\beta + \alpha\right)\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{1}{t_0}}{\frac{t_0}{1 + \alpha}}\\


\end{array}

Local Percentage Accuracy?

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.

Try it out?

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation?

  1. Split input into 2 regimes
  2. if beta < 4.9999999999999996e22

    1. Initial program 99.8%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified99.4%

      \[\leadsto \color{blue}{\left(\beta + 1\right) \cdot \frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]
      Step-by-step derivation

      [Start]99.8

      \[ \frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]

      associate-/l/ [=>]99.4

      \[ \color{blue}{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]

      associate-+l+ [=>]99.4

      \[ \frac{\frac{\color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)} + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      +-commutative [=>]99.4

      \[ \frac{\frac{\left(\alpha + \color{blue}{\left(\beta \cdot \alpha + \beta\right)}\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      associate-+r+ [=>]99.4

      \[ \frac{\frac{\color{blue}{\left(\left(\alpha + \beta \cdot \alpha\right) + \beta\right)} + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      associate-+l+ [=>]99.4

      \[ \frac{\frac{\color{blue}{\left(\alpha + \beta \cdot \alpha\right) + \left(\beta + 1\right)}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      distribute-rgt1-in [=>]99.4

      \[ \frac{\frac{\color{blue}{\left(\beta + 1\right) \cdot \alpha} + \left(\beta + 1\right)}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      *-rgt-identity [<=]99.4

      \[ \frac{\frac{\left(\beta + 1\right) \cdot \alpha + \color{blue}{\left(\beta + 1\right) \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      distribute-lft-out [=>]99.4

      \[ \frac{\frac{\color{blue}{\left(\beta + 1\right) \cdot \left(\alpha + 1\right)}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      +-commutative [=>]99.4

      \[ \frac{\frac{\left(\beta + 1\right) \cdot \color{blue}{\left(1 + \alpha\right)}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      associate-*r/ [<=]99.4

      \[ \frac{\color{blue}{\left(\beta + 1\right) \cdot \frac{1 + \alpha}{\left(\alpha + \beta\right) + 2 \cdot 1}}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)} \]

      associate-*r/ [<=]99.4

      \[ \color{blue}{\left(\beta + 1\right) \cdot \frac{\frac{1 + \alpha}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Applied egg-rr99.4%

      \[\leadsto \left(\beta + 1\right) \cdot \color{blue}{\left(\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot \frac{1}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)}\right)} \]
      Step-by-step derivation

      [Start]99.4

      \[ \left(\beta + 1\right) \cdot \frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)} \]

      frac-2neg [=>]99.4

      \[ \left(\beta + 1\right) \cdot \color{blue}{\frac{-\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}} \]

      div-inv [=>]99.4

      \[ \left(\beta + 1\right) \cdot \color{blue}{\left(\left(-\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}\right) \cdot \frac{1}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right)} \]

      distribute-neg-frac [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\color{blue}{\frac{-\left(\alpha + 1\right)}{\alpha + \left(\beta + 2\right)}} \cdot \frac{1}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]

      +-commutative [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-\color{blue}{\left(1 + \alpha\right)}}{\alpha + \left(\beta + 2\right)} \cdot \frac{1}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]

      distribute-neg-in [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{\color{blue}{\left(-1\right) + \left(-\alpha\right)}}{\alpha + \left(\beta + 2\right)} \cdot \frac{1}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]

      metadata-eval [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{\color{blue}{-1} + \left(-\alpha\right)}{\alpha + \left(\beta + 2\right)} \cdot \frac{1}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]

      +-commutative [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\color{blue}{\left(\beta + 2\right) + \alpha}} \cdot \frac{1}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]

      associate-+l+ [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\color{blue}{\beta + \left(2 + \alpha\right)}} \cdot \frac{1}{-\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 3\right)\right)}\right) \]

      distribute-rgt-neg-in [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot \frac{1}{\color{blue}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(-\left(\alpha + \left(\beta + 3\right)\right)\right)}}\right) \]

      +-commutative [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot \frac{1}{\color{blue}{\left(\left(\beta + 2\right) + \alpha\right)} \cdot \left(-\left(\alpha + \left(\beta + 3\right)\right)\right)}\right) \]

      associate-+l+ [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot \frac{1}{\color{blue}{\left(\beta + \left(2 + \alpha\right)\right)} \cdot \left(-\left(\alpha + \left(\beta + 3\right)\right)\right)}\right) \]

      +-commutative [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot \frac{1}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\color{blue}{\left(\left(\beta + 3\right) + \alpha\right)}\right)}\right) \]

      associate-+l+ [=>]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot \frac{1}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\color{blue}{\left(\beta + \left(3 + \alpha\right)\right)}\right)}\right) \]
    4. Simplified95.2%

      \[\leadsto \left(\beta + 1\right) \cdot \color{blue}{\frac{-1 - \alpha}{\left(\left(\left(\alpha + 3\right) + \beta\right) \cdot \left(-2 - \left(\alpha + \beta\right)\right)\right) \cdot \left(\alpha + \left(2 + \beta\right)\right)}} \]
      Step-by-step derivation

      [Start]99.4

      \[ \left(\beta + 1\right) \cdot \left(\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot \frac{1}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)}\right) \]

      associate-*r/ [=>]99.4

      \[ \left(\beta + 1\right) \cdot \color{blue}{\frac{\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)} \cdot 1}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)}} \]

      *-rgt-identity [=>]99.4

      \[ \left(\beta + 1\right) \cdot \frac{\color{blue}{\frac{-1 + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)}}}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)} \]

      metadata-eval [<=]99.4

      \[ \left(\beta + 1\right) \cdot \frac{\frac{\color{blue}{\left(-1\right)} + \left(-\alpha\right)}{\beta + \left(2 + \alpha\right)}}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)} \]

      distribute-neg-in [<=]99.4

      \[ \left(\beta + 1\right) \cdot \frac{\frac{\color{blue}{-\left(1 + \alpha\right)}}{\beta + \left(2 + \alpha\right)}}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)} \]

      distribute-frac-neg [=>]99.4

      \[ \left(\beta + 1\right) \cdot \frac{\color{blue}{-\frac{1 + \alpha}{\beta + \left(2 + \alpha\right)}}}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)} \]

      distribute-neg-frac [<=]99.4

      \[ \left(\beta + 1\right) \cdot \color{blue}{\left(-\frac{\frac{1 + \alpha}{\beta + \left(2 + \alpha\right)}}{\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)}\right)} \]

      associate-/l/ [=>]95.2

      \[ \left(\beta + 1\right) \cdot \left(-\color{blue}{\frac{1 + \alpha}{\left(\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)\right) \cdot \left(\beta + \left(2 + \alpha\right)\right)}}\right) \]

      distribute-neg-frac [=>]95.2

      \[ \left(\beta + 1\right) \cdot \color{blue}{\frac{-\left(1 + \alpha\right)}{\left(\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)\right) \cdot \left(\beta + \left(2 + \alpha\right)\right)}} \]

      distribute-neg-in [=>]95.2

      \[ \left(\beta + 1\right) \cdot \frac{\color{blue}{\left(-1\right) + \left(-\alpha\right)}}{\left(\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)\right) \cdot \left(\beta + \left(2 + \alpha\right)\right)} \]

      metadata-eval [=>]95.2

      \[ \left(\beta + 1\right) \cdot \frac{\color{blue}{-1} + \left(-\alpha\right)}{\left(\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)\right) \cdot \left(\beta + \left(2 + \alpha\right)\right)} \]

      unsub-neg [=>]95.2

      \[ \left(\beta + 1\right) \cdot \frac{\color{blue}{-1 - \alpha}}{\left(\left(\beta + \left(2 + \alpha\right)\right) \cdot \left(-\left(\beta + \left(3 + \alpha\right)\right)\right)\right) \cdot \left(\beta + \left(2 + \alpha\right)\right)} \]

    if 4.9999999999999996e22 < beta

    1. Initial program 82.0%

      \[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]
    2. Simplified93.0%

      \[\leadsto \color{blue}{\frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)}} \]
      Step-by-step derivation

      [Start]82.0

      \[ \frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]

      associate-/l/ [=>]79.3

      \[ \frac{\color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \]

      associate-/l/ [=>]66.1

      \[ \color{blue}{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)}} \]

      associate-+l+ [=>]66.1

      \[ \frac{\color{blue}{\left(\alpha + \left(\beta + \beta \cdot \alpha\right)\right)} + 1}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      +-commutative [=>]66.1

      \[ \frac{\left(\alpha + \color{blue}{\left(\beta \cdot \alpha + \beta\right)}\right) + 1}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      associate-+r+ [=>]66.1

      \[ \frac{\color{blue}{\left(\left(\alpha + \beta \cdot \alpha\right) + \beta\right)} + 1}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      associate-+l+ [=>]66.1

      \[ \frac{\color{blue}{\left(\alpha + \beta \cdot \alpha\right) + \left(\beta + 1\right)}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      distribute-rgt1-in [=>]66.1

      \[ \frac{\color{blue}{\left(\beta + 1\right) \cdot \alpha} + \left(\beta + 1\right)}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      *-rgt-identity [<=]66.1

      \[ \frac{\left(\beta + 1\right) \cdot \alpha + \color{blue}{\left(\beta + 1\right) \cdot 1}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      distribute-lft-out [=>]66.1

      \[ \frac{\color{blue}{\left(\beta + 1\right) \cdot \left(\alpha + 1\right)}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      +-commutative [=>]66.1

      \[ \frac{\left(\beta + 1\right) \cdot \color{blue}{\left(1 + \alpha\right)}}{\left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1\right) \cdot \left(\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)\right)} \]

      times-frac [=>]93.0

      \[ \color{blue}{\frac{\beta + 1}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1} \cdot \frac{1 + \alpha}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) \cdot \left(\left(\alpha + \beta\right) + 2 \cdot 1\right)}} \]
    3. Applied egg-rr99.6%

      \[\leadsto \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \color{blue}{\left(\frac{\alpha + 1}{\left(\alpha + 2\right) + \beta} \cdot \frac{1}{\left(\alpha + 2\right) + \beta}\right)} \]
      Step-by-step derivation

      [Start]93.0

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\alpha + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\alpha + \left(\beta + 2\right)\right)} \]

      associate-/r* [=>]99.8

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \color{blue}{\frac{\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)}}{\alpha + \left(\beta + 2\right)}} \]

      div-inv [=>]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \color{blue}{\left(\frac{\alpha + 1}{\alpha + \left(\beta + 2\right)} \cdot \frac{1}{\alpha + \left(\beta + 2\right)}\right)} \]

      +-commutative [=>]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \left(\frac{\alpha + 1}{\alpha + \color{blue}{\left(2 + \beta\right)}} \cdot \frac{1}{\alpha + \left(\beta + 2\right)}\right) \]

      associate-+r+ [=>]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \left(\frac{\alpha + 1}{\color{blue}{\left(\alpha + 2\right) + \beta}} \cdot \frac{1}{\alpha + \left(\beta + 2\right)}\right) \]

      +-commutative [=>]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \left(\frac{\alpha + 1}{\left(\alpha + 2\right) + \beta} \cdot \frac{1}{\alpha + \color{blue}{\left(2 + \beta\right)}}\right) \]

      associate-+r+ [=>]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \left(\frac{\alpha + 1}{\left(\alpha + 2\right) + \beta} \cdot \frac{1}{\color{blue}{\left(\alpha + 2\right) + \beta}}\right) \]
    4. Applied egg-rr99.8%

      \[\leadsto \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \color{blue}{\frac{\frac{1}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{\alpha + 1}}} \]
      Step-by-step derivation

      [Start]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \left(\frac{\alpha + 1}{\left(\alpha + 2\right) + \beta} \cdot \frac{1}{\left(\alpha + 2\right) + \beta}\right) \]

      *-commutative [=>]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \color{blue}{\left(\frac{1}{\left(\alpha + 2\right) + \beta} \cdot \frac{\alpha + 1}{\left(\alpha + 2\right) + \beta}\right)} \]

      clear-num [=>]99.6

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \left(\frac{1}{\left(\alpha + 2\right) + \beta} \cdot \color{blue}{\frac{1}{\frac{\left(\alpha + 2\right) + \beta}{\alpha + 1}}}\right) \]

      un-div-inv [=>]99.8

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \color{blue}{\frac{\frac{1}{\left(\alpha + 2\right) + \beta}}{\frac{\left(\alpha + 2\right) + \beta}{\alpha + 1}}} \]

      associate-+l+ [=>]99.8

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1}{\color{blue}{\alpha + \left(2 + \beta\right)}}}{\frac{\left(\alpha + 2\right) + \beta}{\alpha + 1}} \]

      associate-+l+ [=>]99.8

      \[ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1}{\alpha + \left(2 + \beta\right)}}{\frac{\color{blue}{\alpha + \left(2 + \beta\right)}}{\alpha + 1}} \]
    5. Taylor expanded in beta around inf 92.1%

      \[\leadsto \color{blue}{1} \cdot \frac{\frac{1}{\alpha + \left(2 + \beta\right)}}{\frac{\alpha + \left(2 + \beta\right)}{\alpha + 1}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification94.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\beta \leq 5 \cdot 10^{+22}:\\ \;\;\;\;\left(\beta + 1\right) \cdot \frac{-1 - \alpha}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\beta + \left(\alpha + 3\right)\right) \cdot \left(-2 - \left(\beta + \alpha\right)\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{\alpha + \left(\beta + 2\right)}}{\frac{\alpha + \left(\beta + 2\right)}{1 + \alpha}}\\ \end{array} \]

Alternatives

Alternative 1
Accuracy99.8%
Cost1728
\[\begin{array}{l} t_0 := \alpha + \left(\beta + 2\right)\\ \frac{\beta + 1}{\alpha + \left(\beta + 3\right)} \cdot \frac{\frac{1}{t_0}}{\frac{t_0}{1 + \alpha}} \end{array} \]
Alternative 2
Accuracy99.8%
Cost1600
\[\begin{array}{l} t_0 := \beta + \left(\alpha + 2\right)\\ \frac{\frac{\frac{\beta + 1}{\frac{t_0}{1 + \alpha}}}{t_0}}{\beta + \left(\alpha + 3\right)} \end{array} \]
Alternative 3
Accuracy98.5%
Cost1220
\[\begin{array}{l} \mathbf{if}\;\beta \leq 7.5 \cdot 10^{+14}:\\ \;\;\;\;\frac{\beta + 1}{\left(\alpha + \left(\beta + 2\right)\right) \cdot \left(\left(\beta + 3\right) \cdot \left(\beta + 2\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta + \left(\alpha + 2\right)}}{\beta + \left(\alpha + 3\right)}\\ \end{array} \]
Alternative 4
Accuracy98.5%
Cost1220
\[\begin{array}{l} t_0 := \alpha + \left(\beta + 2\right)\\ \mathbf{if}\;\beta \leq 4.5 \cdot 10^{+15}:\\ \;\;\;\;\frac{\beta + 1}{t_0 \cdot \left(\left(\beta + 3\right) \cdot \left(\beta + 2\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1}{t_0}}{\frac{t_0}{1 + \alpha}}\\ \end{array} \]
Alternative 5
Accuracy97.4%
Cost1092
\[\begin{array}{l} t_0 := \beta + \left(\alpha + 3\right)\\ \mathbf{if}\;\beta \leq 1.7:\\ \;\;\;\;\frac{\frac{0.5}{\beta + 2}}{t_0}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta + \left(\alpha + 2\right)}}{t_0}\\ \end{array} \]
Alternative 6
Accuracy97.2%
Cost836
\[\begin{array}{l} \mathbf{if}\;\beta \leq 8:\\ \;\;\;\;\frac{\frac{0.5}{\beta + 2}}{\beta + \left(\alpha + 3\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\beta}\\ \end{array} \]
Alternative 7
Accuracy97.3%
Cost836
\[\begin{array}{l} t_0 := \beta + \left(\alpha + 3\right)\\ \mathbf{if}\;\beta \leq 4.8:\\ \;\;\;\;\frac{\frac{0.5}{\beta + 2}}{t_0}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{1 + \alpha}{\beta}}{t_0}\\ \end{array} \]
Alternative 8
Accuracy96.4%
Cost712
\[\begin{array}{l} \mathbf{if}\;\beta \leq 2.8:\\ \;\;\;\;0.16666666666666666 \cdot \frac{\beta + 1}{\beta + 2}\\ \mathbf{elif}\;\beta \leq 4.5 \cdot 10^{+154}:\\ \;\;\;\;\frac{1 + \alpha}{\beta \cdot \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\beta}\\ \end{array} \]
Alternative 9
Accuracy96.4%
Cost712
\[\begin{array}{l} \mathbf{if}\;\beta \leq 2.9:\\ \;\;\;\;\left(\beta + 1\right) \cdot \frac{0.16666666666666666}{\beta + 2}\\ \mathbf{elif}\;\beta \leq 4.8 \cdot 10^{+154}:\\ \;\;\;\;\frac{1 + \alpha}{\beta \cdot \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\beta}\\ \end{array} \]
Alternative 10
Accuracy96.7%
Cost708
\[\begin{array}{l} \mathbf{if}\;\beta \leq 2.8:\\ \;\;\;\;\left(\beta + 1\right) \cdot \frac{0.16666666666666666}{\beta + 2}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\beta}\\ \end{array} \]
Alternative 11
Accuracy96.7%
Cost708
\[\begin{array}{l} \mathbf{if}\;\beta \leq 9.5:\\ \;\;\;\;\frac{0.5}{\left(\beta + 3\right) \cdot \left(\beta + 2\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\beta}\\ \end{array} \]
Alternative 12
Accuracy96.7%
Cost708
\[\begin{array}{l} \mathbf{if}\;\beta \leq 9:\\ \;\;\;\;\frac{\frac{0.5}{\beta + 3}}{\beta + 2}\\ \mathbf{else}:\\ \;\;\;\;\frac{1 + \alpha}{\beta} \cdot \frac{1}{\beta}\\ \end{array} \]
Alternative 13
Accuracy55.8%
Cost580
\[\begin{array}{l} \mathbf{if}\;\beta \leq 2 \cdot 10^{+153}:\\ \;\;\;\;\frac{1 + \alpha}{\beta \cdot \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\beta}\\ \end{array} \]
Alternative 14
Accuracy52.9%
Cost452
\[\begin{array}{l} \mathbf{if}\;\alpha \leq 1:\\ \;\;\;\;\frac{1}{\beta \cdot \beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\alpha}{\beta \cdot \beta}\\ \end{array} \]
Alternative 15
Accuracy53.3%
Cost452
\[\begin{array}{l} \mathbf{if}\;\alpha \leq 1.05:\\ \;\;\;\;\frac{\frac{1}{\beta}}{\beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\alpha}{\beta \cdot \beta}\\ \end{array} \]
Alternative 16
Accuracy55.7%
Cost452
\[\begin{array}{l} \mathbf{if}\;\alpha \leq 1:\\ \;\;\;\;\frac{\frac{1}{\beta}}{\beta}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{\alpha}{\beta}}{\beta}\\ \end{array} \]
Alternative 17
Accuracy51.0%
Cost320
\[\frac{1}{\beta \cdot \beta} \]
Alternative 18
Accuracy6.0%
Cost192
\[\frac{1}{\beta} \]

Error

Reproduce?

herbie shell --seed 2023159 
(FPCore (alpha beta)
  :name "Octave 3.8, jcobi/3"
  :precision binary64
  :pre (and (> alpha -1.0) (> beta -1.0))
  (/ (/ (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) (+ (+ alpha beta) (* 2.0 1.0))) (+ (+ alpha beta) (* 2.0 1.0))) (+ (+ (+ alpha beta) (* 2.0 1.0)) 1.0)))