Falkner and Boettcher, Appendix A

Percentage Accurate: 90.4% → 99.7%
Time: 12.2s
Alternatives: 14
Speedup: 1.0×

Specification

?
\[\begin{array}{l} \\ \frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))
double code(double a, double k, double m) {
	return (a * pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    code = (a * (k ** m)) / ((1.0d0 + (10.0d0 * k)) + (k * k))
end function
public static double code(double a, double k, double m) {
	return (a * Math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
def code(a, k, m):
	return (a * math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k))
function code(a, k, m)
	return Float64(Float64(a * (k ^ m)) / Float64(Float64(1.0 + Float64(10.0 * k)) + Float64(k * k)))
end
function tmp = code(a, k, m)
	tmp = (a * (k ^ m)) / ((1.0 + (10.0 * k)) + (k * k));
end
code[a_, k_, m_] := N[(N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision] / N[(N[(1.0 + N[(10.0 * k), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}
\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 14 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: 90.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))
double code(double a, double k, double m) {
	return (a * pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    code = (a * (k ** m)) / ((1.0d0 + (10.0d0 * k)) + (k * k))
end function
public static double code(double a, double k, double m) {
	return (a * Math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k));
}
def code(a, k, m):
	return (a * math.pow(k, m)) / ((1.0 + (10.0 * k)) + (k * k))
function code(a, k, m)
	return Float64(Float64(a * (k ^ m)) / Float64(Float64(1.0 + Float64(10.0 * k)) + Float64(k * k)))
end
function tmp = code(a, k, m)
	tmp = (a * (k ^ m)) / ((1.0 + (10.0 * k)) + (k * k));
end
code[a_, k_, m_] := N[(N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision] / N[(N[(1.0 + N[(10.0 * k), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}
\end{array}

Alternative 1: 99.7% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {k}^{m} \cdot a\\ t_1 := \frac{1}{t\_0}\\ \mathbf{if}\;k \leq 2 \cdot 10^{-40}:\\ \;\;\;\;t\_0\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{t\_1 + k \cdot \left(10 \cdot t\_1 + \frac{k}{t\_0}\right)}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* (pow k m) a)) (t_1 (/ 1.0 t_0)))
   (if (<= k 2e-40) t_0 (/ 1.0 (+ t_1 (* k (+ (* 10.0 t_1) (/ k t_0))))))))
double code(double a, double k, double m) {
	double t_0 = pow(k, m) * a;
	double t_1 = 1.0 / t_0;
	double tmp;
	if (k <= 2e-40) {
		tmp = t_0;
	} else {
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: tmp
    t_0 = (k ** m) * a
    t_1 = 1.0d0 / t_0
    if (k <= 2d-40) then
        tmp = t_0
    else
        tmp = 1.0d0 / (t_1 + (k * ((10.0d0 * t_1) + (k / t_0))))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double t_0 = Math.pow(k, m) * a;
	double t_1 = 1.0 / t_0;
	double tmp;
	if (k <= 2e-40) {
		tmp = t_0;
	} else {
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))));
	}
	return tmp;
}
def code(a, k, m):
	t_0 = math.pow(k, m) * a
	t_1 = 1.0 / t_0
	tmp = 0
	if k <= 2e-40:
		tmp = t_0
	else:
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))))
	return tmp
function code(a, k, m)
	t_0 = Float64((k ^ m) * a)
	t_1 = Float64(1.0 / t_0)
	tmp = 0.0
	if (k <= 2e-40)
		tmp = t_0;
	else
		tmp = Float64(1.0 / Float64(t_1 + Float64(k * Float64(Float64(10.0 * t_1) + Float64(k / t_0)))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	t_0 = (k ^ m) * a;
	t_1 = 1.0 / t_0;
	tmp = 0.0;
	if (k <= 2e-40)
		tmp = t_0;
	else
		tmp = 1.0 / (t_1 + (k * ((10.0 * t_1) + (k / t_0))));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := Block[{t$95$0 = N[(N[Power[k, m], $MachinePrecision] * a), $MachinePrecision]}, Block[{t$95$1 = N[(1.0 / t$95$0), $MachinePrecision]}, If[LessEqual[k, 2e-40], t$95$0, N[(1.0 / N[(t$95$1 + N[(k * N[(N[(10.0 * t$95$1), $MachinePrecision] + N[(k / t$95$0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {k}^{m} \cdot a\\
t_1 := \frac{1}{t\_0}\\
\mathbf{if}\;k \leq 2 \cdot 10^{-40}:\\
\;\;\;\;t\_0\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{t\_1 + k \cdot \left(10 \cdot t\_1 + \frac{k}{t\_0}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.9999999999999999e-40

    1. Initial program 94.5%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*94.5%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg94.5%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg294.5%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac294.5%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg94.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg94.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+94.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg94.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out94.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified94.5%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 100.0%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative100.0%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified100.0%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]

    if 1.9999999999999999e-40 < k

    1. Initial program 78.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg78.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg78.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg78.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg78.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out78.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in78.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+78.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/78.3%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num77.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+77.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in77.7%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative77.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define77.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative77.7%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative77.7%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr77.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 98.9%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2 \cdot 10^{-40}:\\ \;\;\;\;{k}^{m} \cdot a\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{{k}^{m} \cdot a} + k \cdot \left(10 \cdot \frac{1}{{k}^{m} \cdot a} + \frac{k}{{k}^{m} \cdot a}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 89.0% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {k}^{m} \cdot a\\ \mathbf{if}\;\frac{t\_0}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 4 \cdot 10^{+208}:\\ \;\;\;\;\frac{1}{\frac{1}{t\_0} + {\left(\sqrt[3]{k \cdot \frac{k + 10}{a}}\right)}^{3}}\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* (pow k m) a)))
   (if (<= (/ t_0 (+ (+ 1.0 (* k 10.0)) (* k k))) 4e+208)
     (/ 1.0 (+ (/ 1.0 t_0) (pow (cbrt (* k (/ (+ k 10.0) a))) 3.0)))
     t_0)))
double code(double a, double k, double m) {
	double t_0 = pow(k, m) * a;
	double tmp;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 4e+208) {
		tmp = 1.0 / ((1.0 / t_0) + pow(cbrt((k * ((k + 10.0) / a))), 3.0));
	} else {
		tmp = t_0;
	}
	return tmp;
}
public static double code(double a, double k, double m) {
	double t_0 = Math.pow(k, m) * a;
	double tmp;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 4e+208) {
		tmp = 1.0 / ((1.0 / t_0) + Math.pow(Math.cbrt((k * ((k + 10.0) / a))), 3.0));
	} else {
		tmp = t_0;
	}
	return tmp;
}
function code(a, k, m)
	t_0 = Float64((k ^ m) * a)
	tmp = 0.0
	if (Float64(t_0 / Float64(Float64(1.0 + Float64(k * 10.0)) + Float64(k * k))) <= 4e+208)
		tmp = Float64(1.0 / Float64(Float64(1.0 / t_0) + (cbrt(Float64(k * Float64(Float64(k + 10.0) / a))) ^ 3.0)));
	else
		tmp = t_0;
	end
	return tmp
end
code[a_, k_, m_] := Block[{t$95$0 = N[(N[Power[k, m], $MachinePrecision] * a), $MachinePrecision]}, If[LessEqual[N[(t$95$0 / N[(N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 4e+208], N[(1.0 / N[(N[(1.0 / t$95$0), $MachinePrecision] + N[Power[N[Power[N[(k * N[(N[(k + 10.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {k}^{m} \cdot a\\
\mathbf{if}\;\frac{t\_0}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 4 \cdot 10^{+208}:\\
\;\;\;\;\frac{1}{\frac{1}{t\_0} + {\left(\sqrt[3]{k \cdot \frac{k + 10}{a}}\right)}^{3}}\\

\mathbf{else}:\\
\;\;\;\;t\_0\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 (*.f64 a (pow.f64 k m)) (+.f64 (+.f64 #s(literal 1 binary64) (*.f64 #s(literal 10 binary64) k)) (*.f64 k k))) < 3.9999999999999999e208

    1. Initial program 97.4%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.4%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.4%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.4%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.4%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in97.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+97.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/97.4%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num97.1%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+97.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in97.1%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative97.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define97.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative97.1%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative97.1%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr97.1%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 80.3%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Step-by-step derivation
      1. add-cube-cbrt80.2%

        \[\leadsto \frac{1}{\color{blue}{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)} \cdot \sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\right) \cdot \sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}} + \frac{1}{a \cdot {k}^{m}}} \]
      2. pow380.2%

        \[\leadsto \frac{1}{\color{blue}{{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\right)}^{3}} + \frac{1}{a \cdot {k}^{m}}} \]
      3. div-inv80.2%

        \[\leadsto \frac{1}{{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \color{blue}{k \cdot \frac{1}{a \cdot {k}^{m}}}\right)}\right)}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
      4. distribute-rgt-out83.7%

        \[\leadsto \frac{1}{{\left(\sqrt[3]{k \cdot \color{blue}{\left(\frac{1}{a \cdot {k}^{m}} \cdot \left(10 + k\right)\right)}}\right)}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
    9. Applied egg-rr83.7%

      \[\leadsto \frac{1}{\color{blue}{{\left(\sqrt[3]{k \cdot \left(\frac{1}{a \cdot {k}^{m}} \cdot \left(10 + k\right)\right)}\right)}^{3}} + \frac{1}{a \cdot {k}^{m}}} \]
    10. Taylor expanded in m around 0 84.8%

      \[\leadsto \frac{1}{{\color{blue}{\left(\sqrt[3]{\frac{k \cdot \left(10 + k\right)}{a}}\right)}}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
    11. Step-by-step derivation
      1. associate-/l*87.0%

        \[\leadsto \frac{1}{{\left(\sqrt[3]{\color{blue}{k \cdot \frac{10 + k}{a}}}\right)}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
    12. Simplified87.0%

      \[\leadsto \frac{1}{{\color{blue}{\left(\sqrt[3]{k \cdot \frac{10 + k}{a}}\right)}}^{3} + \frac{1}{a \cdot {k}^{m}}} \]

    if 3.9999999999999999e208 < (/.f64 (*.f64 a (pow.f64 k m)) (+.f64 (+.f64 #s(literal 1 binary64) (*.f64 #s(literal 10 binary64) k)) (*.f64 k k)))

    1. Initial program 51.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*51.8%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg51.8%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg251.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac251.8%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg51.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg51.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+51.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg51.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out51.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified51.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 100.0%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative100.0%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified100.0%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification89.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{k}^{m} \cdot a}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 4 \cdot 10^{+208}:\\ \;\;\;\;\frac{1}{\frac{1}{{k}^{m} \cdot a} + {\left(\sqrt[3]{k \cdot \frac{k + 10}{a}}\right)}^{3}}\\ \mathbf{else}:\\ \;\;\;\;{k}^{m} \cdot a\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 97.8% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{{k}^{m} \cdot a}{\left(1 + k \cdot 10\right) + k \cdot k}\\ \mathbf{if}\;t\_0 \leq \infty:\\ \;\;\;\;t\_0\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (/ (* (pow k m) a) (+ (+ 1.0 (* k 10.0)) (* k k)))))
   (if (<= t_0 INFINITY) t_0 (* a (+ 1.0 (* k (- (* k 99.0) 10.0)))))))
double code(double a, double k, double m) {
	double t_0 = (pow(k, m) * a) / ((1.0 + (k * 10.0)) + (k * k));
	double tmp;
	if (t_0 <= ((double) INFINITY)) {
		tmp = t_0;
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
public static double code(double a, double k, double m) {
	double t_0 = (Math.pow(k, m) * a) / ((1.0 + (k * 10.0)) + (k * k));
	double tmp;
	if (t_0 <= Double.POSITIVE_INFINITY) {
		tmp = t_0;
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	t_0 = (math.pow(k, m) * a) / ((1.0 + (k * 10.0)) + (k * k))
	tmp = 0
	if t_0 <= math.inf:
		tmp = t_0
	else:
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	t_0 = Float64(Float64((k ^ m) * a) / Float64(Float64(1.0 + Float64(k * 10.0)) + Float64(k * k)))
	tmp = 0.0
	if (t_0 <= Inf)
		tmp = t_0;
	else
		tmp = Float64(a * Float64(1.0 + Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	t_0 = ((k ^ m) * a) / ((1.0 + (k * 10.0)) + (k * k));
	tmp = 0.0;
	if (t_0 <= Inf)
		tmp = t_0;
	else
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := Block[{t$95$0 = N[(N[(N[Power[k, m], $MachinePrecision] * a), $MachinePrecision] / N[(N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$0, Infinity], t$95$0, N[(a * N[(1.0 + N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{{k}^{m} \cdot a}{\left(1 + k \cdot 10\right) + k \cdot k}\\
\mathbf{if}\;t\_0 \leq \infty:\\
\;\;\;\;t\_0\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 (*.f64 a (pow.f64 k m)) (+.f64 (+.f64 #s(literal 1 binary64) (*.f64 #s(literal 10 binary64) k)) (*.f64 k k))) < +inf.0

    1. Initial program 97.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Add Preprocessing

    if +inf.0 < (/.f64 (*.f64 a (pow.f64 k m)) (+.f64 (+.f64 #s(literal 1 binary64) (*.f64 #s(literal 10 binary64) k)) (*.f64 k k)))

    1. Initial program 0.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*0.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg0.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg20.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac20.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg0.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg0.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+0.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg0.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out0.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified0.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 1.6%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 100.0%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{k}^{m} \cdot a}{\left(1 + k \cdot 10\right) + k \cdot k} \leq \infty:\\ \;\;\;\;\frac{{k}^{m} \cdot a}{\left(1 + k \cdot 10\right) + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 97.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 3.65:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;{k}^{m} \cdot a\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 3.65) (* a (/ (pow k m) (+ 1.0 (* k (+ k 10.0))))) (* (pow k m) a)))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 3.65) {
		tmp = a * (pow(k, m) / (1.0 + (k * (k + 10.0))));
	} else {
		tmp = pow(k, m) * a;
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 3.65d0) then
        tmp = a * ((k ** m) / (1.0d0 + (k * (k + 10.0d0))))
    else
        tmp = (k ** m) * a
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 3.65) {
		tmp = a * (Math.pow(k, m) / (1.0 + (k * (k + 10.0))));
	} else {
		tmp = Math.pow(k, m) * a;
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 3.65:
		tmp = a * (math.pow(k, m) / (1.0 + (k * (k + 10.0))))
	else:
		tmp = math.pow(k, m) * a
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 3.65)
		tmp = Float64(a * Float64((k ^ m) / Float64(1.0 + Float64(k * Float64(k + 10.0)))));
	else
		tmp = Float64((k ^ m) * a);
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 3.65)
		tmp = a * ((k ^ m) / (1.0 + (k * (k + 10.0))));
	else
		tmp = (k ^ m) * a;
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 3.65], N[(a * N[(N[Power[k, m], $MachinePrecision] / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[k, m], $MachinePrecision] * a), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 3.65:\\
\;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{else}:\\
\;\;\;\;{k}^{m} \cdot a\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 3.64999999999999991

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing

    if 3.64999999999999991 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 100.0%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative100.0%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified100.0%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 3.65:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;{k}^{m} \cdot a\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 99.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -4.8 \cdot 10^{-6} \lor \neg \left(m \leq 0.0052\right):\\ \;\;\;\;{k}^{m} \cdot a\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a} + \frac{1}{a}}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= m -4.8e-6) (not (<= m 0.0052)))
   (* (pow k m) a)
   (/ 1.0 (+ (* k (/ (+ k 10.0) a)) (/ 1.0 a)))))
double code(double a, double k, double m) {
	double tmp;
	if ((m <= -4.8e-6) || !(m <= 0.0052)) {
		tmp = pow(k, m) * a;
	} else {
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if ((m <= (-4.8d-6)) .or. (.not. (m <= 0.0052d0))) then
        tmp = (k ** m) * a
    else
        tmp = 1.0d0 / ((k * ((k + 10.0d0) / a)) + (1.0d0 / a))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((m <= -4.8e-6) || !(m <= 0.0052)) {
		tmp = Math.pow(k, m) * a;
	} else {
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (m <= -4.8e-6) or not (m <= 0.0052):
		tmp = math.pow(k, m) * a
	else:
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((m <= -4.8e-6) || !(m <= 0.0052))
		tmp = Float64((k ^ m) * a);
	else
		tmp = Float64(1.0 / Float64(Float64(k * Float64(Float64(k + 10.0) / a)) + Float64(1.0 / a)));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((m <= -4.8e-6) || ~((m <= 0.0052)))
		tmp = (k ^ m) * a;
	else
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[m, -4.8e-6], N[Not[LessEqual[m, 0.0052]], $MachinePrecision]], N[(N[Power[k, m], $MachinePrecision] * a), $MachinePrecision], N[(1.0 / N[(N[(k * N[(N[(k + 10.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision] + N[(1.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -4.8 \cdot 10^{-6} \lor \neg \left(m \leq 0.0052\right):\\
\;\;\;\;{k}^{m} \cdot a\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a} + \frac{1}{a}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < -4.7999999999999998e-6 or 0.0051999999999999998 < m

    1. Initial program 83.4%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*83.4%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg83.4%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg283.4%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac283.4%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg83.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg83.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+83.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg83.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out83.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified83.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 100.0%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative100.0%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified100.0%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]

    if -4.7999999999999998e-6 < m < 0.0051999999999999998

    1. Initial program 94.5%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*94.4%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg94.4%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg294.4%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac294.4%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg94.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg94.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+94.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg94.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out94.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified94.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in94.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+94.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/94.5%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num93.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+93.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in93.7%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative93.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define93.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative93.7%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative93.7%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr93.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 98.6%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Step-by-step derivation
      1. add-cube-cbrt98.3%

        \[\leadsto \frac{1}{\color{blue}{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)} \cdot \sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\right) \cdot \sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}} + \frac{1}{a \cdot {k}^{m}}} \]
      2. pow398.2%

        \[\leadsto \frac{1}{\color{blue}{{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\right)}^{3}} + \frac{1}{a \cdot {k}^{m}}} \]
      3. div-inv98.2%

        \[\leadsto \frac{1}{{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \color{blue}{k \cdot \frac{1}{a \cdot {k}^{m}}}\right)}\right)}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
      4. distribute-rgt-out98.2%

        \[\leadsto \frac{1}{{\left(\sqrt[3]{k \cdot \color{blue}{\left(\frac{1}{a \cdot {k}^{m}} \cdot \left(10 + k\right)\right)}}\right)}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
    9. Applied egg-rr98.2%

      \[\leadsto \frac{1}{\color{blue}{{\left(\sqrt[3]{k \cdot \left(\frac{1}{a \cdot {k}^{m}} \cdot \left(10 + k\right)\right)}\right)}^{3}} + \frac{1}{a \cdot {k}^{m}}} \]
    10. Taylor expanded in m around 0 92.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{1}{a} + \frac{k \cdot \left(10 + k\right)}{a}}} \]
    11. Step-by-step derivation
      1. +-commutative92.7%

        \[\leadsto \frac{1}{\color{blue}{\frac{k \cdot \left(10 + k\right)}{a} + \frac{1}{a}}} \]
      2. associate-/l*97.6%

        \[\leadsto \frac{1}{\color{blue}{k \cdot \frac{10 + k}{a}} + \frac{1}{a}} \]
    12. Simplified97.6%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \frac{10 + k}{a} + \frac{1}{a}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -4.8 \cdot 10^{-6} \lor \neg \left(m \leq 0.0052\right):\\ \;\;\;\;{k}^{m} \cdot a\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a} + \frac{1}{a}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 56.5% accurate, 4.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -2 \cdot 10^{-89}:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 6.3 \cdot 10^{+15}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a} + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -2e-89)
   (/ a (+ 1.0 (* k (+ k 10.0))))
   (if (<= m 6.3e+15)
     (/ 1.0 (+ (* k (/ (+ k 10.0) a)) (/ 1.0 a)))
     (* a (+ 1.0 (* k (- (* k 99.0) 10.0)))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -2e-89) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else if (m <= 6.3e+15) {
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a));
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= (-2d-89)) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else if (m <= 6.3d+15) then
        tmp = 1.0d0 / ((k * ((k + 10.0d0) / a)) + (1.0d0 / a))
    else
        tmp = a * (1.0d0 + (k * ((k * 99.0d0) - 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -2e-89) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else if (m <= 6.3e+15) {
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a));
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -2e-89:
		tmp = a / (1.0 + (k * (k + 10.0)))
	elif m <= 6.3e+15:
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a))
	else:
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -2e-89)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	elseif (m <= 6.3e+15)
		tmp = Float64(1.0 / Float64(Float64(k * Float64(Float64(k + 10.0) / a)) + Float64(1.0 / a)));
	else
		tmp = Float64(a * Float64(1.0 + Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -2e-89)
		tmp = a / (1.0 + (k * (k + 10.0)));
	elseif (m <= 6.3e+15)
		tmp = 1.0 / ((k * ((k + 10.0) / a)) + (1.0 / a));
	else
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -2e-89], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 6.3e+15], N[(1.0 / N[(N[(k * N[(N[(k + 10.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision] + N[(1.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 + N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -2 \cdot 10^{-89}:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{elif}\;m \leq 6.3 \cdot 10^{+15}:\\
\;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a} + \frac{1}{a}}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -2.00000000000000008e-89

    1. Initial program 100.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg100.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg2100.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac2100.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 39.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]

    if -2.00000000000000008e-89 < m < 6.3e15

    1. Initial program 94.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*93.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg93.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg293.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac293.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg93.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg93.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+93.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg93.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out93.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified93.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in93.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+93.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/94.0%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num93.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+93.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in93.9%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative93.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define93.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative93.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative93.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr93.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.2%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Step-by-step derivation
      1. add-cube-cbrt98.9%

        \[\leadsto \frac{1}{\color{blue}{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)} \cdot \sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\right) \cdot \sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}} + \frac{1}{a \cdot {k}^{m}}} \]
      2. pow398.8%

        \[\leadsto \frac{1}{\color{blue}{{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\right)}^{3}} + \frac{1}{a \cdot {k}^{m}}} \]
      3. div-inv98.8%

        \[\leadsto \frac{1}{{\left(\sqrt[3]{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \color{blue}{k \cdot \frac{1}{a \cdot {k}^{m}}}\right)}\right)}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
      4. distribute-rgt-out98.8%

        \[\leadsto \frac{1}{{\left(\sqrt[3]{k \cdot \color{blue}{\left(\frac{1}{a \cdot {k}^{m}} \cdot \left(10 + k\right)\right)}}\right)}^{3} + \frac{1}{a \cdot {k}^{m}}} \]
    9. Applied egg-rr98.8%

      \[\leadsto \frac{1}{\color{blue}{{\left(\sqrt[3]{k \cdot \left(\frac{1}{a \cdot {k}^{m}} \cdot \left(10 + k\right)\right)}\right)}^{3}} + \frac{1}{a \cdot {k}^{m}}} \]
    10. Taylor expanded in m around 0 91.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{1}{a} + \frac{k \cdot \left(10 + k\right)}{a}}} \]
    11. Step-by-step derivation
      1. +-commutative91.7%

        \[\leadsto \frac{1}{\color{blue}{\frac{k \cdot \left(10 + k\right)}{a} + \frac{1}{a}}} \]
      2. associate-/l*97.0%

        \[\leadsto \frac{1}{\color{blue}{k \cdot \frac{10 + k}{a}} + \frac{1}{a}} \]
    12. Simplified97.0%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \frac{10 + k}{a} + \frac{1}{a}}} \]

    if 6.3e15 < m

    1. Initial program 67.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*67.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg67.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg267.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac267.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg67.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg67.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+67.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg67.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out67.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified67.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 2.9%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 48.7%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification61.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -2 \cdot 10^{-89}:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 6.3 \cdot 10^{+15}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a} + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 55.2% accurate, 7.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.1:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 2.1)
   (/ a (+ 1.0 (* k (+ k 10.0))))
   (* a (+ 1.0 (* k (- (* k 99.0) 10.0))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 2.1) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 2.1d0) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else
        tmp = a * (1.0d0 + (k * ((k * 99.0d0) - 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 2.1) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 2.1:
		tmp = a / (1.0 + (k * (k + 10.0)))
	else:
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 2.1)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	else
		tmp = Float64(a * Float64(1.0 + Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 2.1)
		tmp = a / (1.0 + (k * (k + 10.0)));
	else
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 2.1], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 + N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.1:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.10000000000000009

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.4%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]

    if 2.10000000000000009 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 48.2%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification59.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.1:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 53.3% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.72:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 1.72) (/ a (+ 1.0 (* k (+ k 10.0)))) (+ a (* k (* 99.0 (* k a))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.72) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 1.72d0) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else
        tmp = a + (k * (99.0d0 * (k * a)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.72) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 1.72:
		tmp = a / (1.0 + (k * (k + 10.0)))
	else:
		tmp = a + (k * (99.0 * (k * a)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 1.72)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	else
		tmp = Float64(a + Float64(k * Float64(99.0 * Float64(k * a))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 1.72)
		tmp = a / (1.0 + (k * (k + 10.0)));
	else
		tmp = a + (k * (99.0 * (k * a)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 1.72], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(k * N[(99.0 * N[(k * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.72:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

\mathbf{else}:\\
\;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.71999999999999997

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.4%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]

    if 1.71999999999999997 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 38.1%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv38.1%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
      3. mul-1-neg38.1%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      4. distribute-rgt-neg-in38.1%

        \[\leadsto a + k \cdot \left(\color{blue}{k \cdot \left(-\left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      5. distribute-rgt1-in38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(-\color{blue}{\left(-100 + 1\right) \cdot a}\right) + -10 \cdot a\right) \]
      6. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(-\color{blue}{-99} \cdot a\right) + -10 \cdot a\right) \]
      7. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(-\color{blue}{\left(-99\right)} \cdot a\right) + -10 \cdot a\right) \]
      8. distribute-lft-neg-in38.1%

        \[\leadsto a + k \cdot \left(k \cdot \color{blue}{\left(\left(-\left(-99\right)\right) \cdot a\right)} + -10 \cdot a\right) \]
      9. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(\left(-\color{blue}{-99}\right) \cdot a\right) + -10 \cdot a\right) \]
      10. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(\color{blue}{99} \cdot a\right) + -10 \cdot a\right) \]
      11. *-commutative38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(99 \cdot a\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified38.1%

      \[\leadsto \color{blue}{a + k \cdot \left(k \cdot \left(99 \cdot a\right) + a \cdot -10\right)} \]
    9. Taylor expanded in k around inf 39.3%

      \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.72:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 52.6% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.85:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 1.85) (/ a (+ 1.0 (* k k))) (+ a (* k (* 99.0 (* k a))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.85) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 1.85d0) then
        tmp = a / (1.0d0 + (k * k))
    else
        tmp = a + (k * (99.0d0 * (k * a)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.85) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 1.85:
		tmp = a / (1.0 + (k * k))
	else:
		tmp = a + (k * (99.0 * (k * a)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 1.85)
		tmp = Float64(a / Float64(1.0 + Float64(k * k)));
	else
		tmp = Float64(a + Float64(k * Float64(99.0 * Float64(k * a))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 1.85)
		tmp = a / (1.0 + (k * k));
	else
		tmp = a + (k * (99.0 * (k * a)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 1.85], N[(a / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(k * N[(99.0 * N[(k * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.85:\\
\;\;\;\;\frac{a}{1 + k \cdot k}\\

\mathbf{else}:\\
\;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.8500000000000001

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.4%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around inf 64.5%

      \[\leadsto \frac{a}{1 + k \cdot \color{blue}{k}} \]

    if 1.8500000000000001 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 38.1%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv38.1%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
      3. mul-1-neg38.1%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      4. distribute-rgt-neg-in38.1%

        \[\leadsto a + k \cdot \left(\color{blue}{k \cdot \left(-\left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      5. distribute-rgt1-in38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(-\color{blue}{\left(-100 + 1\right) \cdot a}\right) + -10 \cdot a\right) \]
      6. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(-\color{blue}{-99} \cdot a\right) + -10 \cdot a\right) \]
      7. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(-\color{blue}{\left(-99\right)} \cdot a\right) + -10 \cdot a\right) \]
      8. distribute-lft-neg-in38.1%

        \[\leadsto a + k \cdot \left(k \cdot \color{blue}{\left(\left(-\left(-99\right)\right) \cdot a\right)} + -10 \cdot a\right) \]
      9. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(\left(-\color{blue}{-99}\right) \cdot a\right) + -10 \cdot a\right) \]
      10. metadata-eval38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(\color{blue}{99} \cdot a\right) + -10 \cdot a\right) \]
      11. *-commutative38.1%

        \[\leadsto a + k \cdot \left(k \cdot \left(99 \cdot a\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified38.1%

      \[\leadsto \color{blue}{a + k \cdot \left(k \cdot \left(99 \cdot a\right) + a \cdot -10\right)} \]
    9. Taylor expanded in k around inf 39.3%

      \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.85:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 50.1% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.9:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 0.9) (/ a (+ 1.0 (* k k))) (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.9) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.9d0) then
        tmp = a / (1.0d0 + (k * k))
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.9) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.9:
		tmp = a / (1.0 + (k * k))
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.9)
		tmp = Float64(a / Float64(1.0 + Float64(k * k)));
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.9)
		tmp = a / (1.0 + (k * k));
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.9], N[(a / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.9:\\
\;\;\;\;\frac{a}{1 + k \cdot k}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.900000000000000022

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.4%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around inf 64.5%

      \[\leadsto \frac{a}{1 + k \cdot \color{blue}{k}} \]

    if 0.900000000000000022 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + -10 \cdot k\right)} \]
    7. Step-by-step derivation
      1. *-commutative10.8%

        \[\leadsto a \cdot \left(1 + \color{blue}{k \cdot -10}\right) \]
    8. Simplified10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot -10\right)} \]
    9. Taylor expanded in k around inf 20.4%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    10. Step-by-step derivation
      1. *-commutative20.4%

        \[\leadsto \color{blue}{\left(a \cdot k\right) \cdot -10} \]
      2. associate-*r*20.4%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    11. Simplified20.4%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 11: 34.0% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.65:\\ \;\;\;\;\frac{a}{1 + k \cdot 10}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 0.65) (/ a (+ 1.0 (* k 10.0))) (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.65) {
		tmp = a / (1.0 + (k * 10.0));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.65d0) then
        tmp = a / (1.0d0 + (k * 10.0d0))
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.65) {
		tmp = a / (1.0 + (k * 10.0));
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.65:
		tmp = a / (1.0 + (k * 10.0))
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.65)
		tmp = Float64(a / Float64(1.0 + Float64(k * 10.0)));
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.65)
		tmp = a / (1.0 + (k * 10.0));
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.65], N[(a / N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.65:\\
\;\;\;\;\frac{a}{1 + k \cdot 10}\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.650000000000000022

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 65.4%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 41.0%

      \[\leadsto \frac{a}{1 + \color{blue}{10 \cdot k}} \]
    7. Step-by-step derivation
      1. *-commutative41.0%

        \[\leadsto \frac{a}{1 + \color{blue}{k \cdot 10}} \]
    8. Simplified41.0%

      \[\leadsto \frac{a}{1 + \color{blue}{k \cdot 10}} \]

    if 0.650000000000000022 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + -10 \cdot k\right)} \]
    7. Step-by-step derivation
      1. *-commutative10.8%

        \[\leadsto a \cdot \left(1 + \color{blue}{k \cdot -10}\right) \]
    8. Simplified10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot -10\right)} \]
    9. Taylor expanded in k around inf 20.4%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    10. Step-by-step derivation
      1. *-commutative20.4%

        \[\leadsto \color{blue}{\left(a \cdot k\right) \cdot -10} \]
      2. associate-*r*20.4%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    11. Simplified20.4%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 12: 25.1% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.58:\\ \;\;\;\;a\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(k \cdot -10\right)\\ \end{array} \end{array} \]
(FPCore (a k m) :precision binary64 (if (<= m 0.58) a (* a (* k -10.0))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.58) {
		tmp = a;
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.58d0) then
        tmp = a
    else
        tmp = a * (k * (-10.0d0))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.58) {
		tmp = a;
	} else {
		tmp = a * (k * -10.0);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.58:
		tmp = a
	else:
		tmp = a * (k * -10.0)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.58)
		tmp = a;
	else
		tmp = Float64(a * Float64(k * -10.0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.58)
		tmp = a;
	else
		tmp = a * (k * -10.0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.58], a, N[(a * N[(k * -10.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.58:\\
\;\;\;\;a\\

\mathbf{else}:\\
\;\;\;\;a \cdot \left(k \cdot -10\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.57999999999999996

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 76.4%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative76.4%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified76.4%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    8. Taylor expanded in m around 0 31.8%

      \[\leadsto \color{blue}{a} \]

    if 0.57999999999999996 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + -10 \cdot k\right)} \]
    7. Step-by-step derivation
      1. *-commutative10.8%

        \[\leadsto a \cdot \left(1 + \color{blue}{k \cdot -10}\right) \]
    8. Simplified10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot -10\right)} \]
    9. Taylor expanded in k around inf 20.4%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
    10. Step-by-step derivation
      1. *-commutative20.4%

        \[\leadsto \color{blue}{\left(a \cdot k\right) \cdot -10} \]
      2. associate-*r*20.4%

        \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
    11. Simplified20.4%

      \[\leadsto \color{blue}{a \cdot \left(k \cdot -10\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 13: 25.1% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 0.32:\\ \;\;\;\;a\\ \mathbf{else}:\\ \;\;\;\;\left(k \cdot a\right) \cdot -10\\ \end{array} \end{array} \]
(FPCore (a k m) :precision binary64 (if (<= m 0.32) a (* (* k a) -10.0)))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.32) {
		tmp = a;
	} else {
		tmp = (k * a) * -10.0;
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 0.32d0) then
        tmp = a
    else
        tmp = (k * a) * (-10.0d0)
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 0.32) {
		tmp = a;
	} else {
		tmp = (k * a) * -10.0;
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 0.32:
		tmp = a
	else:
		tmp = (k * a) * -10.0
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 0.32)
		tmp = a;
	else
		tmp = Float64(Float64(k * a) * -10.0);
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 0.32)
		tmp = a;
	else
		tmp = (k * a) * -10.0;
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 0.32], a, N[(N[(k * a), $MachinePrecision] * -10.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 0.32:\\
\;\;\;\;a\\

\mathbf{else}:\\
\;\;\;\;\left(k \cdot a\right) \cdot -10\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 0.320000000000000007

    1. Initial program 97.0%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*97.0%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg97.0%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg297.0%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac297.0%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out97.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified97.0%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 76.4%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative76.4%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified76.4%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    8. Taylor expanded in m around 0 31.8%

      \[\leadsto \color{blue}{a} \]

    if 0.320000000000000007 < m

    1. Initial program 68.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*68.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg68.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg268.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac268.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out68.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified68.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.0%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + -10 \cdot k\right)} \]
    7. Step-by-step derivation
      1. *-commutative10.8%

        \[\leadsto a \cdot \left(1 + \color{blue}{k \cdot -10}\right) \]
    8. Simplified10.8%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot -10\right)} \]
    9. Taylor expanded in k around inf 20.4%

      \[\leadsto \color{blue}{-10 \cdot \left(a \cdot k\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification28.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 0.32:\\ \;\;\;\;a\\ \mathbf{else}:\\ \;\;\;\;\left(k \cdot a\right) \cdot -10\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 20.1% accurate, 114.0× speedup?

\[\begin{array}{l} \\ a \end{array} \]
(FPCore (a k m) :precision binary64 a)
double code(double a, double k, double m) {
	return a;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    code = a
end function
public static double code(double a, double k, double m) {
	return a;
}
def code(a, k, m):
	return a
function code(a, k, m)
	return a
end
function tmp = code(a, k, m)
	tmp = a;
end
code[a_, k_, m_] := a
\begin{array}{l}

\\
a
\end{array}
Derivation
  1. Initial program 87.5%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*87.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg87.4%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg287.4%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac287.4%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg87.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg87.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+87.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg87.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out87.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified87.4%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in k around 0 84.2%

    \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
  6. Step-by-step derivation
    1. *-commutative84.2%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
  7. Simplified84.2%

    \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
  8. Taylor expanded in m around 0 22.7%

    \[\leadsto \color{blue}{a} \]
  9. Add Preprocessing

Reproduce

?
herbie shell --seed 2024132 
(FPCore (a k m)
  :name "Falkner and Boettcher, Appendix A"
  :precision binary64
  (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))