Falkner and Boettcher, Appendix A

Percentage Accurate: 82.9% → 98.1%
Time: 21.3s
Alternatives: 11
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 11 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: 82.9% 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: 98.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -1.7 \cdot 10^{-8}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\ \mathbf{elif}\;m \leq 2.1 \cdot 10^{-6}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -1.7e-8)
   (* a (/ (pow k m) (+ 1.0 (* k 10.0))))
   (if (<= m 2.1e-6)
     (/ 1.0 (+ (/ 1.0 a) (* k (/ (+ k 10.0) a))))
     (* a (pow k m)))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -1.7e-8) {
		tmp = a * (pow(k, m) / (1.0 + (k * 10.0)));
	} else if (m <= 2.1e-6) {
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)));
	} else {
		tmp = a * pow(k, m);
	}
	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 <= (-1.7d-8)) then
        tmp = a * ((k ** m) / (1.0d0 + (k * 10.0d0)))
    else if (m <= 2.1d-6) then
        tmp = 1.0d0 / ((1.0d0 / a) + (k * ((k + 10.0d0) / a)))
    else
        tmp = a * (k ** m)
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -1.7e-8) {
		tmp = a * (Math.pow(k, m) / (1.0 + (k * 10.0)));
	} else if (m <= 2.1e-6) {
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)));
	} else {
		tmp = a * Math.pow(k, m);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -1.7e-8:
		tmp = a * (math.pow(k, m) / (1.0 + (k * 10.0)))
	elif m <= 2.1e-6:
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)))
	else:
		tmp = a * math.pow(k, m)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -1.7e-8)
		tmp = Float64(a * Float64((k ^ m) / Float64(1.0 + Float64(k * 10.0))));
	elseif (m <= 2.1e-6)
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(Float64(k + 10.0) / a))));
	else
		tmp = Float64(a * (k ^ m));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -1.7e-8)
		tmp = a * ((k ^ m) / (1.0 + (k * 10.0)));
	elseif (m <= 2.1e-6)
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)));
	else
		tmp = a * (k ^ m);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -1.7e-8], N[(a * N[(N[Power[k, m], $MachinePrecision] / N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 2.1e-6], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(N[(k + 10.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -1.7 \cdot 10^{-8}:\\
\;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\

\mathbf{elif}\;m \leq 2.1 \cdot 10^{-6}:\\
\;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -1.7e-8

    1. Initial program 98.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*98.8%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg98.8%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg298.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac298.8%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg98.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg98.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+98.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg98.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified98.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 98.8%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{10 \cdot k}} \]
    6. Step-by-step derivation
      1. *-commutative98.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot 10}} \]
    7. Simplified98.8%

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

    if -1.7e-8 < m < 2.0999999999999998e-6

    1. Initial program 78.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.1%

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

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

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

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.1%

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

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

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+78.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/78.1%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num78.1%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+78.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in78.1%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative78.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define78.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative78.1%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative78.1%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr78.1%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 82.5%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Step-by-step derivation
      1. inv-pow82.5%

        \[\leadsto \color{blue}{{\left(k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}\right)}^{-1}} \]
      2. add-sqr-sqrt44.8%

        \[\leadsto {\color{blue}{\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}} \cdot \sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}}^{-1} \]
      3. unpow-prod-down44.8%

        \[\leadsto \color{blue}{{\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-1} \cdot {\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-1}} \]
    9. Applied egg-rr44.8%

      \[\leadsto \color{blue}{{\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{-1} \cdot {\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{-1}} \]
    10. Step-by-step derivation
      1. pow-sqr44.9%

        \[\leadsto \color{blue}{{\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{\left(2 \cdot -1\right)}} \]
    11. Simplified44.9%

      \[\leadsto \color{blue}{{\left(\sqrt{\frac{\frac{k}{{k}^{m}}}{a} \cdot \left(10 + k\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-2}} \]
    12. Taylor expanded in m around 0 95.3%

      \[\leadsto \color{blue}{\frac{1}{\frac{1}{a} + \frac{k \cdot \left(10 + k\right)}{a}}} \]
    13. Step-by-step derivation
      1. associate-/l*99.7%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{k \cdot \frac{10 + k}{a}}} \]
      2. +-commutative99.7%

        \[\leadsto \frac{1}{\frac{1}{a} + k \cdot \frac{\color{blue}{k + 10}}{a}} \]
    14. Simplified99.7%

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

    if 2.0999999999999998e-6 < m

    1. Initial program 78.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.6%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.6%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.6%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out78.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 98.6%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative98.6%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified98.6%

      \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification99.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -1.7 \cdot 10^{-8}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\ \mathbf{elif}\;m \leq 2.1 \cdot 10^{-6}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 98.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -9.8 \cdot 10^{-5} \lor \neg \left(m \leq 1.15\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= m -9.8e-5) (not (<= m 1.15)))
   (* a (pow k m))
   (/ 1.0 (+ (/ 1.0 a) (* k (/ (+ k 10.0) a))))))
double code(double a, double k, double m) {
	double tmp;
	if ((m <= -9.8e-5) || !(m <= 1.15)) {
		tmp = a * pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / 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 <= (-9.8d-5)) .or. (.not. (m <= 1.15d0))) then
        tmp = a * (k ** m)
    else
        tmp = 1.0d0 / ((1.0d0 / a) + (k * ((k + 10.0d0) / a)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((m <= -9.8e-5) || !(m <= 1.15)) {
		tmp = a * Math.pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (m <= -9.8e-5) or not (m <= 1.15):
		tmp = a * math.pow(k, m)
	else:
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((m <= -9.8e-5) || !(m <= 1.15))
		tmp = Float64(a * (k ^ m));
	else
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(Float64(k + 10.0) / a))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((m <= -9.8e-5) || ~((m <= 1.15)))
		tmp = a * (k ^ m);
	else
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[m, -9.8e-5], N[Not[LessEqual[m, 1.15]], $MachinePrecision]], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(N[(k + 10.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -9.8 \cdot 10^{-5} \lor \neg \left(m \leq 1.15\right):\\
\;\;\;\;a \cdot {k}^{m}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < -9.8e-5 or 1.1499999999999999 < m

    1. Initial program 89.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*89.3%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg89.3%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg289.3%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac289.3%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg89.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg89.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+89.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg89.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out89.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified89.3%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 98.7%

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
    6. Step-by-step derivation
      1. *-commutative98.7%

        \[\leadsto \color{blue}{{k}^{m} \cdot a} \]
    7. Simplified98.7%

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

    if -9.8e-5 < m < 1.1499999999999999

    1. Initial program 78.5%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.5%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.5%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.5%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.5%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out78.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.5%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+78.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/78.5%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num78.5%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+78.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in78.5%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative78.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define78.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative78.5%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative78.5%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr78.5%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 82.8%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Step-by-step derivation
      1. inv-pow82.8%

        \[\leadsto \color{blue}{{\left(k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}\right)}^{-1}} \]
      2. add-sqr-sqrt44.0%

        \[\leadsto {\color{blue}{\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}} \cdot \sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}}^{-1} \]
      3. unpow-prod-down43.9%

        \[\leadsto \color{blue}{{\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-1} \cdot {\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-1}} \]
    9. Applied egg-rr43.9%

      \[\leadsto \color{blue}{{\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{-1} \cdot {\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{-1}} \]
    10. Step-by-step derivation
      1. pow-sqr44.0%

        \[\leadsto \color{blue}{{\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{\left(2 \cdot -1\right)}} \]
    11. Simplified44.0%

      \[\leadsto \color{blue}{{\left(\sqrt{\frac{\frac{k}{{k}^{m}}}{a} \cdot \left(10 + k\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-2}} \]
    12. Taylor expanded in m around 0 94.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{1}{a} + \frac{k \cdot \left(10 + k\right)}{a}}} \]
    13. Step-by-step derivation
      1. associate-/l*99.2%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{k \cdot \frac{10 + k}{a}}} \]
      2. +-commutative99.2%

        \[\leadsto \frac{1}{\frac{1}{a} + k \cdot \frac{\color{blue}{k + 10}}{a}} \]
    14. Simplified99.2%

      \[\leadsto \color{blue}{\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -9.8 \cdot 10^{-5} \lor \neg \left(m \leq 1.15\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 61.2% accurate, 4.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -26:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 1.85:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -26.0)
   (/ a (* k (+ k 10.0)))
   (if (<= m 1.85)
     (/ 1.0 (+ (/ 1.0 a) (* k (/ (+ k 10.0) a))))
     (* a (+ 1.0 (* k (- (* k 99.0) 10.0)))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -26.0) {
		tmp = a / (k * (k + 10.0));
	} else if (m <= 1.85) {
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / 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 <= (-26.0d0)) then
        tmp = a / (k * (k + 10.0d0))
    else if (m <= 1.85d0) then
        tmp = 1.0d0 / ((1.0d0 / a) + (k * ((k + 10.0d0) / 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 <= -26.0) {
		tmp = a / (k * (k + 10.0));
	} else if (m <= 1.85) {
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)));
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -26.0:
		tmp = a / (k * (k + 10.0))
	elif m <= 1.85:
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)))
	else:
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -26.0)
		tmp = Float64(a / Float64(k * Float64(k + 10.0)));
	elseif (m <= 1.85)
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(Float64(k + 10.0) / 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 <= -26.0)
		tmp = a / (k * (k + 10.0));
	elseif (m <= 1.85)
		tmp = 1.0 / ((1.0 / a) + (k * ((k + 10.0) / a)));
	else
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -26.0], N[(a / N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 1.85], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(N[(k + 10.0), $MachinePrecision] / a), $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 -26:\\
\;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\

\mathbf{elif}\;m \leq 1.85:\\
\;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{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 < -26

    1. Initial program 98.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. *-commutative98.7%

        \[\leadsto \frac{a \cdot {k}^{m}}{\left(1 + \color{blue}{k \cdot 10}\right) + k \cdot k} \]
    3. Simplified98.7%

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 43.7%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 43.7%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 54.1%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in a around 0 54.1%

      \[\leadsto \color{blue}{\frac{a}{10 \cdot k + {k}^{2}}} \]
    9. Step-by-step derivation
      1. +-commutative54.1%

        \[\leadsto \frac{a}{\color{blue}{{k}^{2} + 10 \cdot k}} \]
      2. unpow254.1%

        \[\leadsto \frac{a}{\color{blue}{k \cdot k} + 10 \cdot k} \]
      3. distribute-rgt-in54.1%

        \[\leadsto \frac{a}{\color{blue}{k \cdot \left(k + 10\right)}} \]
    10. Simplified54.1%

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

    if -26 < m < 1.8500000000000001

    1. Initial program 78.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg78.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg78.9%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/78.9%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num78.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+78.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in78.9%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative78.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define78.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative78.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative78.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr78.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 83.1%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Step-by-step derivation
      1. inv-pow83.1%

        \[\leadsto \color{blue}{{\left(k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}\right)}^{-1}} \]
      2. add-sqr-sqrt43.1%

        \[\leadsto {\color{blue}{\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}} \cdot \sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}}^{-1} \]
      3. unpow-prod-down43.1%

        \[\leadsto \color{blue}{{\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-1} \cdot {\left(\sqrt{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-1}} \]
    9. Applied egg-rr43.1%

      \[\leadsto \color{blue}{{\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{-1} \cdot {\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{-1}} \]
    10. Step-by-step derivation
      1. pow-sqr43.2%

        \[\leadsto \color{blue}{{\left(\sqrt{\mathsf{fma}\left(k, \frac{10}{a \cdot {k}^{m}} + \frac{\frac{k}{a}}{{k}^{m}}, \frac{{a}^{-1}}{{k}^{m}}\right)}\right)}^{\left(2 \cdot -1\right)}} \]
    11. Simplified43.2%

      \[\leadsto \color{blue}{{\left(\sqrt{\frac{\frac{k}{{k}^{m}}}{a} \cdot \left(10 + k\right) + \frac{1}{a \cdot {k}^{m}}}\right)}^{-2}} \]
    12. Taylor expanded in m around 0 93.2%

      \[\leadsto \color{blue}{\frac{1}{\frac{1}{a} + \frac{k \cdot \left(10 + k\right)}{a}}} \]
    13. Step-by-step derivation
      1. associate-/l*97.5%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{k \cdot \frac{10 + k}{a}}} \]
      2. +-commutative97.5%

        \[\leadsto \frac{1}{\frac{1}{a} + k \cdot \frac{\color{blue}{k + 10}}{a}} \]
    14. Simplified97.5%

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

    if 1.8500000000000001 < m

    1. Initial program 78.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.6%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.6%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.6%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out78.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.3%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 33.1%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification66.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -26:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 1.85:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k + 10}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 58.8% accurate, 5.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := k \cdot \left(k + 10\right)\\ \mathbf{if}\;m \leq -2.45 \cdot 10^{+76}:\\ \;\;\;\;\frac{a}{t\_0}\\ \mathbf{elif}\;m \leq 2.7:\\ \;\;\;\;\frac{a}{1 + t\_0}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* k (+ k 10.0))))
   (if (<= m -2.45e+76)
     (/ a t_0)
     (if (<= m 2.7)
       (/ a (+ 1.0 t_0))
       (* a (+ 1.0 (* k (- (* k 99.0) 10.0))))))))
double code(double a, double k, double m) {
	double t_0 = k * (k + 10.0);
	double tmp;
	if (m <= -2.45e+76) {
		tmp = a / t_0;
	} else if (m <= 2.7) {
		tmp = a / (1.0 + t_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) :: t_0
    real(8) :: tmp
    t_0 = k * (k + 10.0d0)
    if (m <= (-2.45d+76)) then
        tmp = a / t_0
    else if (m <= 2.7d0) then
        tmp = a / (1.0d0 + t_0)
    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 t_0 = k * (k + 10.0);
	double tmp;
	if (m <= -2.45e+76) {
		tmp = a / t_0;
	} else if (m <= 2.7) {
		tmp = a / (1.0 + t_0);
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	t_0 = k * (k + 10.0)
	tmp = 0
	if m <= -2.45e+76:
		tmp = a / t_0
	elif m <= 2.7:
		tmp = a / (1.0 + t_0)
	else:
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	t_0 = Float64(k * Float64(k + 10.0))
	tmp = 0.0
	if (m <= -2.45e+76)
		tmp = Float64(a / t_0);
	elseif (m <= 2.7)
		tmp = Float64(a / Float64(1.0 + 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 * (k + 10.0);
	tmp = 0.0;
	if (m <= -2.45e+76)
		tmp = a / t_0;
	elseif (m <= 2.7)
		tmp = a / (1.0 + 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[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[m, -2.45e+76], N[(a / t$95$0), $MachinePrecision], If[LessEqual[m, 2.7], N[(a / N[(1.0 + t$95$0), $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}
t_0 := k \cdot \left(k + 10\right)\\
\mathbf{if}\;m \leq -2.45 \cdot 10^{+76}:\\
\;\;\;\;\frac{a}{t\_0}\\

\mathbf{elif}\;m \leq 2.7:\\
\;\;\;\;\frac{a}{1 + 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 3 regimes
  2. if m < -2.45000000000000013e76

    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. *-commutative100.0%

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

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 43.2%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 43.2%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 57.7%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in a around 0 57.7%

      \[\leadsto \color{blue}{\frac{a}{10 \cdot k + {k}^{2}}} \]
    9. Step-by-step derivation
      1. +-commutative57.7%

        \[\leadsto \frac{a}{\color{blue}{{k}^{2} + 10 \cdot k}} \]
      2. unpow257.7%

        \[\leadsto \frac{a}{\color{blue}{k \cdot k} + 10 \cdot k} \]
      3. distribute-rgt-in57.7%

        \[\leadsto \frac{a}{\color{blue}{k \cdot \left(k + 10\right)}} \]
    10. Simplified57.7%

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

    if -2.45000000000000013e76 < m < 2.7000000000000002

    1. Initial program 81.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*81.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg81.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg281.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac281.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg81.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg81.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+81.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg81.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out81.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified81.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 85.4%

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

    if 2.7000000000000002 < m

    1. Initial program 78.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.6%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.6%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.6%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out78.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.3%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 33.1%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification65.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -2.45 \cdot 10^{+76}:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 2.7:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 60.6% accurate, 5.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -26:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 2:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -26.0)
   (/ a (* k (+ k 10.0)))
   (if (<= m 2.0)
     (/ 1.0 (+ (/ 1.0 a) (* k (/ k a))))
     (* a (+ 1.0 (* k (- (* k 99.0) 10.0)))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -26.0) {
		tmp = a / (k * (k + 10.0));
	} else if (m <= 2.0) {
		tmp = 1.0 / ((1.0 / a) + (k * (k / 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 <= (-26.0d0)) then
        tmp = a / (k * (k + 10.0d0))
    else if (m <= 2.0d0) then
        tmp = 1.0d0 / ((1.0d0 / a) + (k * (k / 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 <= -26.0) {
		tmp = a / (k * (k + 10.0));
	} else if (m <= 2.0) {
		tmp = 1.0 / ((1.0 / a) + (k * (k / a)));
	} else {
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -26.0:
		tmp = a / (k * (k + 10.0))
	elif m <= 2.0:
		tmp = 1.0 / ((1.0 / a) + (k * (k / a)))
	else:
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -26.0)
		tmp = Float64(a / Float64(k * Float64(k + 10.0)));
	elseif (m <= 2.0)
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(k / 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 <= -26.0)
		tmp = a / (k * (k + 10.0));
	elseif (m <= 2.0)
		tmp = 1.0 / ((1.0 / a) + (k * (k / a)));
	else
		tmp = a * (1.0 + (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -26.0], N[(a / N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 2.0], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(k / a), $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 -26:\\
\;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\

\mathbf{elif}\;m \leq 2:\\
\;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k}{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 < -26

    1. Initial program 98.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. *-commutative98.7%

        \[\leadsto \frac{a \cdot {k}^{m}}{\left(1 + \color{blue}{k \cdot 10}\right) + k \cdot k} \]
    3. Simplified98.7%

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 43.7%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 43.7%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 54.1%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in a around 0 54.1%

      \[\leadsto \color{blue}{\frac{a}{10 \cdot k + {k}^{2}}} \]
    9. Step-by-step derivation
      1. +-commutative54.1%

        \[\leadsto \frac{a}{\color{blue}{{k}^{2} + 10 \cdot k}} \]
      2. unpow254.1%

        \[\leadsto \frac{a}{\color{blue}{k \cdot k} + 10 \cdot k} \]
      3. distribute-rgt-in54.1%

        \[\leadsto \frac{a}{\color{blue}{k \cdot \left(k + 10\right)}} \]
    10. Simplified54.1%

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

    if -26 < m < 2

    1. Initial program 78.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.9%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg78.9%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.9%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.9%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg78.9%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+78.9%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/78.9%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num78.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+78.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in78.9%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative78.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define78.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative78.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative78.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr78.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 83.1%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 97.5%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]
    9. Taylor expanded in k around inf 95.4%

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

    if 2 < m

    1. Initial program 78.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*78.6%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg278.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac278.6%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+78.6%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out78.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified78.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.3%

      \[\leadsto a \cdot \color{blue}{\frac{1}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 33.1%

      \[\leadsto a \cdot \color{blue}{\left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification65.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -26:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;m \leq 2:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \frac{k}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 48.7% accurate, 6.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq -2.1 \cdot 10^{+131}:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;k \leq 0.075:\\ \;\;\;\;a + -10 \cdot \left(a \cdot k\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a}}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= k -2.1e+131)
   (/ a (* k (+ k 10.0)))
   (if (<= k 0.075) (+ a (* -10.0 (* a k))) (/ 1.0 (* k (/ (+ k 10.0) a))))))
double code(double a, double k, double m) {
	double tmp;
	if (k <= -2.1e+131) {
		tmp = a / (k * (k + 10.0));
	} else if (k <= 0.075) {
		tmp = a + (-10.0 * (a * k));
	} else {
		tmp = 1.0 / (k * ((k + 10.0) / 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 (k <= (-2.1d+131)) then
        tmp = a / (k * (k + 10.0d0))
    else if (k <= 0.075d0) then
        tmp = a + ((-10.0d0) * (a * k))
    else
        tmp = 1.0d0 / (k * ((k + 10.0d0) / a))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (k <= -2.1e+131) {
		tmp = a / (k * (k + 10.0));
	} else if (k <= 0.075) {
		tmp = a + (-10.0 * (a * k));
	} else {
		tmp = 1.0 / (k * ((k + 10.0) / a));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if k <= -2.1e+131:
		tmp = a / (k * (k + 10.0))
	elif k <= 0.075:
		tmp = a + (-10.0 * (a * k))
	else:
		tmp = 1.0 / (k * ((k + 10.0) / a))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (k <= -2.1e+131)
		tmp = Float64(a / Float64(k * Float64(k + 10.0)));
	elseif (k <= 0.075)
		tmp = Float64(a + Float64(-10.0 * Float64(a * k)));
	else
		tmp = Float64(1.0 / Float64(k * Float64(Float64(k + 10.0) / a)));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (k <= -2.1e+131)
		tmp = a / (k * (k + 10.0));
	elseif (k <= 0.075)
		tmp = a + (-10.0 * (a * k));
	else
		tmp = 1.0 / (k * ((k + 10.0) / a));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[k, -2.1e+131], N[(a / N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[k, 0.075], N[(a + N[(-10.0 * N[(a * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(k * N[(N[(k + 10.0), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq -2.1 \cdot 10^{+131}:\\
\;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\

\mathbf{elif}\;k \leq 0.075:\\
\;\;\;\;a + -10 \cdot \left(a \cdot k\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if k < -2.09999999999999985e131

    1. Initial program 39.5%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. *-commutative39.5%

        \[\leadsto \frac{a \cdot {k}^{m}}{\left(1 + \color{blue}{k \cdot 10}\right) + k \cdot k} \]
    3. Simplified39.5%

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 84.6%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 84.6%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 84.6%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in a around 0 84.6%

      \[\leadsto \color{blue}{\frac{a}{10 \cdot k + {k}^{2}}} \]
    9. Step-by-step derivation
      1. +-commutative84.6%

        \[\leadsto \frac{a}{\color{blue}{{k}^{2} + 10 \cdot k}} \]
      2. unpow284.6%

        \[\leadsto \frac{a}{\color{blue}{k \cdot k} + 10 \cdot k} \]
      3. distribute-rgt-in84.6%

        \[\leadsto \frac{a}{\color{blue}{k \cdot \left(k + 10\right)}} \]
    10. Simplified84.6%

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

    if -2.09999999999999985e131 < k < 0.0749999999999999972

    1. Initial program 99.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*99.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg99.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg299.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac299.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 39.2%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 39.2%

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

    if 0.0749999999999999972 < k

    1. Initial program 83.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. *-commutative83.3%

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

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 61.5%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 61.5%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 60.7%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Step-by-step derivation
      1. clear-num60.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{10 \cdot k + k \cdot k}{a \cdot 1}}} \]
      2. inv-pow60.8%

        \[\leadsto \color{blue}{{\left(\frac{10 \cdot k + k \cdot k}{a \cdot 1}\right)}^{-1}} \]
      3. distribute-rgt-out60.8%

        \[\leadsto {\left(\frac{\color{blue}{k \cdot \left(10 + k\right)}}{a \cdot 1}\right)}^{-1} \]
      4. +-commutative60.8%

        \[\leadsto {\left(\frac{k \cdot \color{blue}{\left(k + 10\right)}}{a \cdot 1}\right)}^{-1} \]
      5. *-rgt-identity60.8%

        \[\leadsto {\left(\frac{k \cdot \left(k + 10\right)}{\color{blue}{a}}\right)}^{-1} \]
    9. Applied egg-rr60.8%

      \[\leadsto \color{blue}{{\left(\frac{k \cdot \left(k + 10\right)}{a}\right)}^{-1}} \]
    10. Step-by-step derivation
      1. unpow-160.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{k \cdot \left(k + 10\right)}{a}}} \]
      2. associate-/l*62.8%

        \[\leadsto \frac{1}{\color{blue}{k \cdot \frac{k + 10}{a}}} \]
    11. Simplified62.8%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \frac{k + 10}{a}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification54.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq -2.1 \cdot 10^{+131}:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{elif}\;k \leq 0.075:\\ \;\;\;\;a + -10 \cdot \left(a \cdot k\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{k \cdot \frac{k + 10}{a}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 30.1% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq -1.7 \cdot 10^{+131} \lor \neg \left(k \leq 0.075\right):\\ \;\;\;\;0.1 \cdot \frac{a}{k}\\ \mathbf{else}:\\ \;\;\;\;a + -10 \cdot \left(a \cdot k\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= k -1.7e+131) (not (<= k 0.075)))
   (* 0.1 (/ a k))
   (+ a (* -10.0 (* a k)))))
double code(double a, double k, double m) {
	double tmp;
	if ((k <= -1.7e+131) || !(k <= 0.075)) {
		tmp = 0.1 * (a / k);
	} else {
		tmp = a + (-10.0 * (a * k));
	}
	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 ((k <= (-1.7d+131)) .or. (.not. (k <= 0.075d0))) then
        tmp = 0.1d0 * (a / k)
    else
        tmp = a + ((-10.0d0) * (a * k))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((k <= -1.7e+131) || !(k <= 0.075)) {
		tmp = 0.1 * (a / k);
	} else {
		tmp = a + (-10.0 * (a * k));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (k <= -1.7e+131) or not (k <= 0.075):
		tmp = 0.1 * (a / k)
	else:
		tmp = a + (-10.0 * (a * k))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((k <= -1.7e+131) || !(k <= 0.075))
		tmp = Float64(0.1 * Float64(a / k));
	else
		tmp = Float64(a + Float64(-10.0 * Float64(a * k)));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((k <= -1.7e+131) || ~((k <= 0.075)))
		tmp = 0.1 * (a / k);
	else
		tmp = a + (-10.0 * (a * k));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[k, -1.7e+131], N[Not[LessEqual[k, 0.075]], $MachinePrecision]], N[(0.1 * N[(a / k), $MachinePrecision]), $MachinePrecision], N[(a + N[(-10.0 * N[(a * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq -1.7 \cdot 10^{+131} \lor \neg \left(k \leq 0.075\right):\\
\;\;\;\;0.1 \cdot \frac{a}{k}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < -1.69999999999999993e131 or 0.0749999999999999972 < k

    1. Initial program 70.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. *-commutative70.1%

        \[\leadsto \frac{a \cdot {k}^{m}}{\left(1 + \color{blue}{k \cdot 10}\right) + k \cdot k} \]
    3. Simplified70.1%

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 68.5%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 68.4%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 67.9%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in k around 0 36.3%

      \[\leadsto \color{blue}{0.1 \cdot \frac{a}{k}} \]

    if -1.69999999999999993e131 < k < 0.0749999999999999972

    1. Initial program 99.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*99.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg99.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg299.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac299.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 39.2%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 39.2%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification37.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq -1.7 \cdot 10^{+131} \lor \neg \left(k \leq 0.075\right):\\ \;\;\;\;0.1 \cdot \frac{a}{k}\\ \mathbf{else}:\\ \;\;\;\;a + -10 \cdot \left(a \cdot k\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 47.5% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq -1.66 \cdot 10^{+131} \lor \neg \left(k \leq 0.075\right):\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + -10 \cdot \left(a \cdot k\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= k -1.66e+131) (not (<= k 0.075)))
   (/ a (* k (+ k 10.0)))
   (+ a (* -10.0 (* a k)))))
double code(double a, double k, double m) {
	double tmp;
	if ((k <= -1.66e+131) || !(k <= 0.075)) {
		tmp = a / (k * (k + 10.0));
	} else {
		tmp = a + (-10.0 * (a * k));
	}
	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 ((k <= (-1.66d+131)) .or. (.not. (k <= 0.075d0))) then
        tmp = a / (k * (k + 10.0d0))
    else
        tmp = a + ((-10.0d0) * (a * k))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((k <= -1.66e+131) || !(k <= 0.075)) {
		tmp = a / (k * (k + 10.0));
	} else {
		tmp = a + (-10.0 * (a * k));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (k <= -1.66e+131) or not (k <= 0.075):
		tmp = a / (k * (k + 10.0))
	else:
		tmp = a + (-10.0 * (a * k))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((k <= -1.66e+131) || !(k <= 0.075))
		tmp = Float64(a / Float64(k * Float64(k + 10.0)));
	else
		tmp = Float64(a + Float64(-10.0 * Float64(a * k)));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((k <= -1.66e+131) || ~((k <= 0.075)))
		tmp = a / (k * (k + 10.0));
	else
		tmp = a + (-10.0 * (a * k));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[k, -1.66e+131], N[Not[LessEqual[k, 0.075]], $MachinePrecision]], N[(a / N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(-10.0 * N[(a * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq -1.66 \cdot 10^{+131} \lor \neg \left(k \leq 0.075\right):\\
\;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < -1.65999999999999992e131 or 0.0749999999999999972 < k

    1. Initial program 70.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. *-commutative70.1%

        \[\leadsto \frac{a \cdot {k}^{m}}{\left(1 + \color{blue}{k \cdot 10}\right) + k \cdot k} \]
    3. Simplified70.1%

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 68.5%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 68.4%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 67.9%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in a around 0 67.9%

      \[\leadsto \color{blue}{\frac{a}{10 \cdot k + {k}^{2}}} \]
    9. Step-by-step derivation
      1. +-commutative67.9%

        \[\leadsto \frac{a}{\color{blue}{{k}^{2} + 10 \cdot k}} \]
      2. unpow267.9%

        \[\leadsto \frac{a}{\color{blue}{k \cdot k} + 10 \cdot k} \]
      3. distribute-rgt-in67.9%

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

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

    if -1.65999999999999992e131 < k < 0.0749999999999999972

    1. Initial program 99.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*99.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg99.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg299.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac299.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 39.2%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 39.2%

      \[\leadsto \color{blue}{a + -10 \cdot \left(a \cdot k\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification53.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq -1.66 \cdot 10^{+131} \lor \neg \left(k \leq 0.075\right):\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + -10 \cdot \left(a \cdot k\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 29.7% accurate, 7.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq -1.66 \cdot 10^{+131} \lor \neg \left(k \leq 0.1\right):\\ \;\;\;\;0.1 \cdot \frac{a}{k}\\ \mathbf{else}:\\ \;\;\;\;a\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= k -1.66e+131) (not (<= k 0.1))) (* 0.1 (/ a k)) a))
double code(double a, double k, double m) {
	double tmp;
	if ((k <= -1.66e+131) || !(k <= 0.1)) {
		tmp = 0.1 * (a / k);
	} else {
		tmp = 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 ((k <= (-1.66d+131)) .or. (.not. (k <= 0.1d0))) then
        tmp = 0.1d0 * (a / k)
    else
        tmp = a
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((k <= -1.66e+131) || !(k <= 0.1)) {
		tmp = 0.1 * (a / k);
	} else {
		tmp = a;
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (k <= -1.66e+131) or not (k <= 0.1):
		tmp = 0.1 * (a / k)
	else:
		tmp = a
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((k <= -1.66e+131) || !(k <= 0.1))
		tmp = Float64(0.1 * Float64(a / k));
	else
		tmp = a;
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((k <= -1.66e+131) || ~((k <= 0.1)))
		tmp = 0.1 * (a / k);
	else
		tmp = a;
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[k, -1.66e+131], N[Not[LessEqual[k, 0.1]], $MachinePrecision]], N[(0.1 * N[(a / k), $MachinePrecision]), $MachinePrecision], a]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq -1.66 \cdot 10^{+131} \lor \neg \left(k \leq 0.1\right):\\
\;\;\;\;0.1 \cdot \frac{a}{k}\\

\mathbf{else}:\\
\;\;\;\;a\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < -1.65999999999999992e131 or 0.10000000000000001 < k

    1. Initial program 70.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. *-commutative70.1%

        \[\leadsto \frac{a \cdot {k}^{m}}{\left(1 + \color{blue}{k \cdot 10}\right) + k \cdot k} \]
    3. Simplified70.1%

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 68.5%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 68.4%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 67.9%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in k around 0 36.3%

      \[\leadsto \color{blue}{0.1 \cdot \frac{a}{k}} \]

    if -1.65999999999999992e131 < k < 0.10000000000000001

    1. Initial program 99.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*99.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg99.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg299.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac299.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out99.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 39.2%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 37.4%

      \[\leadsto \color{blue}{a} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification36.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq -1.66 \cdot 10^{+131} \lor \neg \left(k \leq 0.1\right):\\ \;\;\;\;0.1 \cdot \frac{a}{k}\\ \mathbf{else}:\\ \;\;\;\;a\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 50.5% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := k \cdot \left(k + 10\right)\\ \mathbf{if}\;m \leq -1.6 \cdot 10^{+77}:\\ \;\;\;\;\frac{a}{t\_0}\\ \mathbf{else}:\\ \;\;\;\;\frac{a}{1 + t\_0}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* k (+ k 10.0))))
   (if (<= m -1.6e+77) (/ a t_0) (/ a (+ 1.0 t_0)))))
double code(double a, double k, double m) {
	double t_0 = k * (k + 10.0);
	double tmp;
	if (m <= -1.6e+77) {
		tmp = a / t_0;
	} else {
		tmp = a / (1.0 + 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) :: tmp
    t_0 = k * (k + 10.0d0)
    if (m <= (-1.6d+77)) then
        tmp = a / t_0
    else
        tmp = a / (1.0d0 + t_0)
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double t_0 = k * (k + 10.0);
	double tmp;
	if (m <= -1.6e+77) {
		tmp = a / t_0;
	} else {
		tmp = a / (1.0 + t_0);
	}
	return tmp;
}
def code(a, k, m):
	t_0 = k * (k + 10.0)
	tmp = 0
	if m <= -1.6e+77:
		tmp = a / t_0
	else:
		tmp = a / (1.0 + t_0)
	return tmp
function code(a, k, m)
	t_0 = Float64(k * Float64(k + 10.0))
	tmp = 0.0
	if (m <= -1.6e+77)
		tmp = Float64(a / t_0);
	else
		tmp = Float64(a / Float64(1.0 + t_0));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	t_0 = k * (k + 10.0);
	tmp = 0.0;
	if (m <= -1.6e+77)
		tmp = a / t_0;
	else
		tmp = a / (1.0 + t_0);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := Block[{t$95$0 = N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[m, -1.6e+77], N[(a / t$95$0), $MachinePrecision], N[(a / N[(1.0 + t$95$0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := k \cdot \left(k + 10\right)\\
\mathbf{if}\;m \leq -1.6 \cdot 10^{+77}:\\
\;\;\;\;\frac{a}{t\_0}\\

\mathbf{else}:\\
\;\;\;\;\frac{a}{1 + t\_0}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < -1.6000000000000001e77

    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. *-commutative100.0%

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

      \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 43.2%

      \[\leadsto \frac{a \cdot \color{blue}{1}}{\left(1 + k \cdot 10\right) + k \cdot k} \]
    6. Taylor expanded in k around inf 43.2%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{k \cdot \left(10 + \frac{1}{k}\right)} + k \cdot k} \]
    7. Taylor expanded in k around inf 57.7%

      \[\leadsto \frac{a \cdot 1}{\color{blue}{10 \cdot k} + k \cdot k} \]
    8. Taylor expanded in a around 0 57.7%

      \[\leadsto \color{blue}{\frac{a}{10 \cdot k + {k}^{2}}} \]
    9. Step-by-step derivation
      1. +-commutative57.7%

        \[\leadsto \frac{a}{\color{blue}{{k}^{2} + 10 \cdot k}} \]
      2. unpow257.7%

        \[\leadsto \frac{a}{\color{blue}{k \cdot k} + 10 \cdot k} \]
      3. distribute-rgt-in57.7%

        \[\leadsto \frac{a}{\color{blue}{k \cdot \left(k + 10\right)}} \]
    10. Simplified57.7%

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

    if -1.6000000000000001e77 < m

    1. Initial program 80.5%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*80.5%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg80.5%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg280.5%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac280.5%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg80.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg80.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+80.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg80.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out80.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified80.5%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 56.5%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -1.6 \cdot 10^{+77}:\\ \;\;\;\;\frac{a}{k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 18.8% 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 84.9%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*84.9%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg84.9%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg284.9%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac284.9%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg84.9%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg84.9%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+84.9%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg84.9%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out84.9%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified84.9%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 53.6%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 21.3%

    \[\leadsto \color{blue}{a} \]
  7. Final simplification21.3%

    \[\leadsto a \]
  8. Add Preprocessing

Reproduce

?
herbie shell --seed 2024059 
(FPCore (a k m)
  :name "Falkner and Boettcher, Appendix A"
  :precision binary64
  (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))