Falkner and Boettcher, Appendix A

Percentage Accurate: 90.2% → 99.6%
Time: 12.5s
Alternatives: 12
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 12 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: 90.2% 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: 99.6% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := a \cdot {k}^{m}\\ t_1 := \frac{1}{t\_0}\\ \mathbf{if}\;k \leq 2 \cdot 10^{-54}:\\ \;\;\;\;t\_0\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{t\_1 + k \cdot \left(10 \cdot t\_1 + \frac{k}{t\_0}\right)}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* a (pow k m))) (t_1 (/ 1.0 t_0)))
   (if (<= k 2e-54) 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 = a * pow(k, m);
	double t_1 = 1.0 / t_0;
	double tmp;
	if (k <= 2e-54) {
		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 = a * (k ** m)
    t_1 = 1.0d0 / t_0
    if (k <= 2d-54) 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 = a * Math.pow(k, m);
	double t_1 = 1.0 / t_0;
	double tmp;
	if (k <= 2e-54) {
		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 = a * math.pow(k, m)
	t_1 = 1.0 / t_0
	tmp = 0
	if k <= 2e-54:
		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(a * (k ^ m))
	t_1 = Float64(1.0 / t_0)
	tmp = 0.0
	if (k <= 2e-54)
		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 = a * (k ^ m);
	t_1 = 1.0 / t_0;
	tmp = 0.0;
	if (k <= 2e-54)
		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[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(1.0 / t$95$0), $MachinePrecision]}, If[LessEqual[k, 2e-54], 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 := a \cdot {k}^{m}\\
t_1 := \frac{1}{t\_0}\\
\mathbf{if}\;k \leq 2 \cdot 10^{-54}:\\
\;\;\;\;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 < 2.0000000000000001e-54

    1. Initial program 96.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.7%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.7%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.7%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.7%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 99.3%

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

    if 2.0000000000000001e-54 < k

    1. Initial program 86.5%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*86.5%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg86.5%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg286.5%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac286.5%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg86.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg86.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+86.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg86.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out86.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified86.5%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in86.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+86.5%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/86.5%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num86.5%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+86.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in86.5%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative86.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define86.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative86.5%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative86.5%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr86.5%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.4%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 2 \cdot 10^{-54}:\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a \cdot {k}^{m}} + k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 88.9% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := a \cdot {k}^{m}\\ \mathbf{if}\;\frac{t\_0}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 2 \cdot 10^{+259}:\\ \;\;\;\;\frac{1}{\frac{1}{t\_0} + k \cdot \left(\frac{k}{t\_0} + \frac{10}{a}\right)}\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* a (pow k m))))
   (if (<= (/ t_0 (+ (+ 1.0 (* k 10.0)) (* k k))) 2e+259)
     (/ 1.0 (+ (/ 1.0 t_0) (* k (+ (/ k t_0) (/ 10.0 a)))))
     t_0)))
double code(double a, double k, double m) {
	double t_0 = a * pow(k, m);
	double tmp;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259) {
		tmp = 1.0 / ((1.0 / t_0) + (k * ((k / t_0) + (10.0 / a))));
	} else {
		tmp = 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 = a * (k ** m)
    if ((t_0 / ((1.0d0 + (k * 10.0d0)) + (k * k))) <= 2d+259) then
        tmp = 1.0d0 / ((1.0d0 / t_0) + (k * ((k / t_0) + (10.0d0 / a))))
    else
        tmp = t_0
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double t_0 = a * Math.pow(k, m);
	double tmp;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259) {
		tmp = 1.0 / ((1.0 / t_0) + (k * ((k / t_0) + (10.0 / a))));
	} else {
		tmp = t_0;
	}
	return tmp;
}
def code(a, k, m):
	t_0 = a * math.pow(k, m)
	tmp = 0
	if (t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259:
		tmp = 1.0 / ((1.0 / t_0) + (k * ((k / t_0) + (10.0 / a))))
	else:
		tmp = t_0
	return tmp
function code(a, k, m)
	t_0 = Float64(a * (k ^ m))
	tmp = 0.0
	if (Float64(t_0 / Float64(Float64(1.0 + Float64(k * 10.0)) + Float64(k * k))) <= 2e+259)
		tmp = Float64(1.0 / Float64(Float64(1.0 / t_0) + Float64(k * Float64(Float64(k / t_0) + Float64(10.0 / a)))));
	else
		tmp = t_0;
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	t_0 = a * (k ^ m);
	tmp = 0.0;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259)
		tmp = 1.0 / ((1.0 / t_0) + (k * ((k / t_0) + (10.0 / a))));
	else
		tmp = t_0;
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := Block[{t$95$0 = N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(t$95$0 / N[(N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2e+259], N[(1.0 / N[(N[(1.0 / t$95$0), $MachinePrecision] + N[(k * N[(N[(k / t$95$0), $MachinePrecision] + N[(10.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := a \cdot {k}^{m}\\
\mathbf{if}\;\frac{t\_0}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 2 \cdot 10^{+259}:\\
\;\;\;\;\frac{1}{\frac{1}{t\_0} + k \cdot \left(\frac{k}{t\_0} + \frac{10}{a}\right)}\\

\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))) < 2e259

    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. Step-by-step derivation
      1. distribute-lft-in97.0%

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

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

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num96.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+96.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in96.9%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative96.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define96.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative96.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative96.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr96.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 76.2%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 87.1%

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

    if 2e259 < (/.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 72.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*72.3%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg72.3%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg272.3%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac272.3%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified72.3%

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

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification89.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 2 \cdot 10^{+259}:\\ \;\;\;\;\frac{1}{\frac{1}{a \cdot {k}^{m}} + k \cdot \left(\frac{k}{a \cdot {k}^{m}} + \frac{10}{a}\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 87.4% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := a \cdot {k}^{m}\\ \mathbf{if}\;\frac{t\_0}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 2 \cdot 10^{+259}:\\ \;\;\;\;\frac{1}{k \cdot \left(\frac{k}{t\_0} + \frac{10}{a}\right) + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* a (pow k m))))
   (if (<= (/ t_0 (+ (+ 1.0 (* k 10.0)) (* k k))) 2e+259)
     (/ 1.0 (+ (* k (+ (/ k t_0) (/ 10.0 a))) (/ 1.0 a)))
     t_0)))
double code(double a, double k, double m) {
	double t_0 = a * pow(k, m);
	double tmp;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259) {
		tmp = 1.0 / ((k * ((k / t_0) + (10.0 / a))) + (1.0 / a));
	} else {
		tmp = 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 = a * (k ** m)
    if ((t_0 / ((1.0d0 + (k * 10.0d0)) + (k * k))) <= 2d+259) then
        tmp = 1.0d0 / ((k * ((k / t_0) + (10.0d0 / a))) + (1.0d0 / a))
    else
        tmp = t_0
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double t_0 = a * Math.pow(k, m);
	double tmp;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259) {
		tmp = 1.0 / ((k * ((k / t_0) + (10.0 / a))) + (1.0 / a));
	} else {
		tmp = t_0;
	}
	return tmp;
}
def code(a, k, m):
	t_0 = a * math.pow(k, m)
	tmp = 0
	if (t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259:
		tmp = 1.0 / ((k * ((k / t_0) + (10.0 / a))) + (1.0 / a))
	else:
		tmp = t_0
	return tmp
function code(a, k, m)
	t_0 = Float64(a * (k ^ m))
	tmp = 0.0
	if (Float64(t_0 / Float64(Float64(1.0 + Float64(k * 10.0)) + Float64(k * k))) <= 2e+259)
		tmp = Float64(1.0 / Float64(Float64(k * Float64(Float64(k / t_0) + Float64(10.0 / a))) + Float64(1.0 / a)));
	else
		tmp = t_0;
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	t_0 = a * (k ^ m);
	tmp = 0.0;
	if ((t_0 / ((1.0 + (k * 10.0)) + (k * k))) <= 2e+259)
		tmp = 1.0 / ((k * ((k / t_0) + (10.0 / a))) + (1.0 / a));
	else
		tmp = t_0;
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := Block[{t$95$0 = N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(t$95$0 / N[(N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision] + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2e+259], N[(1.0 / N[(N[(k * N[(N[(k / t$95$0), $MachinePrecision] + N[(10.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(1.0 / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := a \cdot {k}^{m}\\
\mathbf{if}\;\frac{t\_0}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 2 \cdot 10^{+259}:\\
\;\;\;\;\frac{1}{k \cdot \left(\frac{k}{t\_0} + \frac{10}{a}\right) + \frac{1}{a}}\\

\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))) < 2e259

    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. Step-by-step derivation
      1. distribute-lft-in97.0%

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

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

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num96.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+96.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in96.9%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative96.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define96.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative96.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative96.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr96.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 76.2%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 87.1%

      \[\leadsto \frac{1}{k \cdot \left(\color{blue}{\frac{10}{a}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}} \]
    9. Taylor expanded in m around 0 86.5%

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

    if 2e259 < (/.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 72.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*72.3%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg72.3%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg272.3%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac272.3%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out72.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified72.3%

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

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification89.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k} \leq 2 \cdot 10^{+259}:\\ \;\;\;\;\frac{1}{k \cdot \left(\frac{k}{a \cdot {k}^{m}} + \frac{10}{a}\right) + \frac{1}{a}}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 99.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -5 \cdot 10^{-15}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\ \mathbf{elif}\;m \leq 1.22 \cdot 10^{-14}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -5e-15)
   (* a (/ (pow k m) (+ 1.0 (* k 10.0))))
   (if (<= m 1.22e-14)
     (/ 1.0 (+ (/ 1.0 a) (* (/ k a) (+ k 10.0))))
     (* a (pow k m)))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -5e-15) {
		tmp = a * (pow(k, m) / (1.0 + (k * 10.0)));
	} else if (m <= 1.22e-14) {
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	} 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 <= (-5d-15)) then
        tmp = a * ((k ** m) / (1.0d0 + (k * 10.0d0)))
    else if (m <= 1.22d-14) then
        tmp = 1.0d0 / ((1.0d0 / a) + ((k / a) * (k + 10.0d0)))
    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 <= -5e-15) {
		tmp = a * (Math.pow(k, m) / (1.0 + (k * 10.0)));
	} else if (m <= 1.22e-14) {
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	} else {
		tmp = a * Math.pow(k, m);
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -5e-15:
		tmp = a * (math.pow(k, m) / (1.0 + (k * 10.0)))
	elif m <= 1.22e-14:
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)))
	else:
		tmp = a * math.pow(k, m)
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -5e-15)
		tmp = Float64(a * Float64((k ^ m) / Float64(1.0 + Float64(k * 10.0))));
	elseif (m <= 1.22e-14)
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(Float64(k / a) * Float64(k + 10.0))));
	else
		tmp = Float64(a * (k ^ m));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -5e-15)
		tmp = a * ((k ^ m) / (1.0 + (k * 10.0)));
	elseif (m <= 1.22e-14)
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	else
		tmp = a * (k ^ m);
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -5e-15], N[(a * N[(N[Power[k, m], $MachinePrecision] / N[(1.0 + N[(k * 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 1.22e-14], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(N[(k / a), $MachinePrecision] * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -5 \cdot 10^{-15}:\\
\;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\

\mathbf{elif}\;m \leq 1.22 \cdot 10^{-14}:\\
\;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -4.99999999999999999e-15

    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 k around 0 100.0%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{10 \cdot k}} \]
    6. Step-by-step derivation
      1. *-commutative100.0%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot 10}} \]
    7. Simplified100.0%

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

    if -4.99999999999999999e-15 < m < 1.21999999999999994e-14

    1. Initial program 92.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*92.6%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg92.6%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg292.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac292.6%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified92.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+92.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/92.6%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num92.5%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+92.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in92.5%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative92.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define92.5%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative92.5%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative92.5%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr92.5%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.1%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 99.1%

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

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]
    10. Step-by-step derivation
      1. +-commutative98.8%

        \[\leadsto \frac{1}{\color{blue}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}} \]
      2. distribute-rgt-in98.8%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{\left(\left(10 \cdot \frac{1}{a}\right) \cdot k + \frac{k}{a} \cdot k\right)}} \]
      3. associate-*r/98.8%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{10 \cdot 1}{a}} \cdot k + \frac{k}{a} \cdot k\right)} \]
      4. metadata-eval98.8%

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

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{10 \cdot k}{a}} + \frac{k}{a} \cdot k\right)} \]
      6. associate-*r/98.8%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{10 \cdot \frac{k}{a}} + \frac{k}{a} \cdot k\right)} \]
      7. *-commutative98.8%

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

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

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

    if 1.21999999999999994e-14 < m

    1. Initial program 85.2%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*85.2%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg85.2%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg285.2%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac285.2%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg85.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg85.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+85.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg85.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out85.2%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified85.2%

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

      \[\leadsto \color{blue}{a \cdot {k}^{m}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification99.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -5 \cdot 10^{-15}:\\ \;\;\;\;a \cdot \frac{{k}^{m}}{1 + k \cdot 10}\\ \mathbf{elif}\;m \leq 1.22 \cdot 10^{-14}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot {k}^{m}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 98.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -1.7 \cdot 10^{-5} \lor \neg \left(m \leq 1.22 \cdot 10^{-14}\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= m -1.7e-5) (not (<= m 1.22e-14)))
   (* a (pow k m))
   (/ 1.0 (+ (/ 1.0 a) (* (/ k a) (+ k 10.0))))))
double code(double a, double k, double m) {
	double tmp;
	if ((m <= -1.7e-5) || !(m <= 1.22e-14)) {
		tmp = a * pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + ((k / 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 <= (-1.7d-5)) .or. (.not. (m <= 1.22d-14))) then
        tmp = a * (k ** m)
    else
        tmp = 1.0d0 / ((1.0d0 / a) + ((k / a) * (k + 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((m <= -1.7e-5) || !(m <= 1.22e-14)) {
		tmp = a * Math.pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (m <= -1.7e-5) or not (m <= 1.22e-14):
		tmp = a * math.pow(k, m)
	else:
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((m <= -1.7e-5) || !(m <= 1.22e-14))
		tmp = Float64(a * (k ^ m));
	else
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(Float64(k / a) * Float64(k + 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((m <= -1.7e-5) || ~((m <= 1.22e-14)))
		tmp = a * (k ^ m);
	else
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[m, -1.7e-5], N[Not[LessEqual[m, 1.22e-14]], $MachinePrecision]], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(N[(k / a), $MachinePrecision] * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -1.7 \cdot 10^{-5} \lor \neg \left(m \leq 1.22 \cdot 10^{-14}\right):\\
\;\;\;\;a \cdot {k}^{m}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < -1.7e-5 or 1.21999999999999994e-14 < m

    1. Initial program 92.3%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*92.3%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg92.3%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg292.3%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac292.3%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg92.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg92.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+92.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg92.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out92.3%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified92.3%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 99.3%

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

    if -1.7e-5 < m < 1.21999999999999994e-14

    1. Initial program 92.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*92.8%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg92.8%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg292.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac292.8%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg92.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg92.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+92.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg92.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out92.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified92.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in92.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+92.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/92.8%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num92.7%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+92.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in92.7%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative92.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. fma-define92.7%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative92.7%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative92.7%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr92.7%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.1%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 99.1%

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

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]
    10. Step-by-step derivation
      1. +-commutative98.6%

        \[\leadsto \frac{1}{\color{blue}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}} \]
      2. distribute-rgt-in98.6%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{\left(\left(10 \cdot \frac{1}{a}\right) \cdot k + \frac{k}{a} \cdot k\right)}} \]
      3. associate-*r/98.6%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{10 \cdot 1}{a}} \cdot k + \frac{k}{a} \cdot k\right)} \]
      4. metadata-eval98.6%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\frac{\color{blue}{10}}{a} \cdot k + \frac{k}{a} \cdot k\right)} \]
      5. associate-*l/98.6%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{10 \cdot k}{a}} + \frac{k}{a} \cdot k\right)} \]
      6. associate-*r/98.6%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{10 \cdot \frac{k}{a}} + \frac{k}{a} \cdot k\right)} \]
      7. *-commutative98.6%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{k}{a} \cdot 10} + \frac{k}{a} \cdot k\right)} \]
      8. distribute-lft-out98.6%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{\frac{k}{a} \cdot \left(10 + k\right)}} \]
    11. Simplified98.6%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -1.7 \cdot 10^{-5} \lor \neg \left(m \leq 1.22 \cdot 10^{-14}\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 55.8% accurate, 4.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -6 \cdot 10^{+21}:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{elif}\;m \leq 8.8 \cdot 10^{+22}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -6e+21)
   (/ a (+ 1.0 (* k k)))
   (if (<= m 8.8e+22)
     (/ 1.0 (+ (/ 1.0 a) (* (/ k a) (+ k 10.0))))
     (* a (+ 1.0 (* k (* k 99.0)))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -6e+21) {
		tmp = a / (1.0 + (k * k));
	} else if (m <= 8.8e+22) {
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	} else {
		tmp = a * (1.0 + (k * (k * 99.0)));
	}
	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 <= (-6d+21)) then
        tmp = a / (1.0d0 + (k * k))
    else if (m <= 8.8d+22) then
        tmp = 1.0d0 / ((1.0d0 / a) + ((k / a) * (k + 10.0d0)))
    else
        tmp = a * (1.0d0 + (k * (k * 99.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -6e+21) {
		tmp = a / (1.0 + (k * k));
	} else if (m <= 8.8e+22) {
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	} else {
		tmp = a * (1.0 + (k * (k * 99.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -6e+21:
		tmp = a / (1.0 + (k * k))
	elif m <= 8.8e+22:
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)))
	else:
		tmp = a * (1.0 + (k * (k * 99.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -6e+21)
		tmp = Float64(a / Float64(1.0 + Float64(k * k)));
	elseif (m <= 8.8e+22)
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(Float64(k / a) * Float64(k + 10.0))));
	else
		tmp = Float64(a * Float64(1.0 + Float64(k * Float64(k * 99.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -6e+21)
		tmp = a / (1.0 + (k * k));
	elseif (m <= 8.8e+22)
		tmp = 1.0 / ((1.0 / a) + ((k / a) * (k + 10.0)));
	else
		tmp = a * (1.0 + (k * (k * 99.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -6e+21], N[(a / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 8.8e+22], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(N[(k / a), $MachinePrecision] * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 + N[(k * N[(k * 99.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -6 \cdot 10^{+21}:\\
\;\;\;\;\frac{a}{1 + k \cdot k}\\

\mathbf{elif}\;m \leq 8.8 \cdot 10^{+22}:\\
\;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -6e21

    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 35.0%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around inf 35.0%

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

    if -6e21 < m < 8.8e22

    1. Initial program 93.9%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    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/93.9%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num93.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+93.8%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in93.8%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative93.8%

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

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, 10 + k, 1\right)}}{a \cdot {k}^{m}}} \]
      9. +-commutative93.8%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, \color{blue}{k + 10}, 1\right)}{a \cdot {k}^{m}}} \]
      10. *-commutative93.8%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr93.8%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 98.3%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 94.6%

      \[\leadsto \frac{1}{k \cdot \left(\color{blue}{\frac{10}{a}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}} \]
    9. Taylor expanded in m around 0 85.9%

      \[\leadsto \color{blue}{\frac{1}{k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right) + \frac{1}{a}}} \]
    10. Step-by-step derivation
      1. +-commutative85.9%

        \[\leadsto \frac{1}{\color{blue}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}} \]
      2. distribute-rgt-in85.9%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{\left(\left(10 \cdot \frac{1}{a}\right) \cdot k + \frac{k}{a} \cdot k\right)}} \]
      3. associate-*r/85.9%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{10 \cdot 1}{a}} \cdot k + \frac{k}{a} \cdot k\right)} \]
      4. metadata-eval85.9%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\frac{\color{blue}{10}}{a} \cdot k + \frac{k}{a} \cdot k\right)} \]
      5. associate-*l/85.9%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{10 \cdot k}{a}} + \frac{k}{a} \cdot k\right)} \]
      6. associate-*r/85.9%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{10 \cdot \frac{k}{a}} + \frac{k}{a} \cdot k\right)} \]
      7. *-commutative85.9%

        \[\leadsto \frac{1}{\frac{1}{a} + \left(\color{blue}{\frac{k}{a} \cdot 10} + \frac{k}{a} \cdot k\right)} \]
      8. distribute-lft-out85.9%

        \[\leadsto \frac{1}{\frac{1}{a} + \color{blue}{\frac{k}{a} \cdot \left(10 + k\right)}} \]
    11. Simplified85.9%

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

    if 8.8e22 < m

    1. Initial program 83.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*83.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg283.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac283.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+83.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out83.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified83.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    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 25.3%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv25.3%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. associate-*r*25.3%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right)} + \left(-10\right) \cdot a\right) \]
      3. metadata-eval25.3%

        \[\leadsto a + k \cdot \left(\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right) + \color{blue}{-10} \cdot a\right) \]
      4. mul-1-neg25.3%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k\right)} \cdot \left(a + -100 \cdot a\right) + -10 \cdot a\right) \]
      5. distribute-rgt1-in25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)} + -10 \cdot a\right) \]
      6. metadata-eval25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(\color{blue}{-99} \cdot a\right) + -10 \cdot a\right) \]
      7. *-commutative25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified25.3%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + a \cdot -10\right)} \]
    9. Taylor expanded in a around 0 30.1%

      \[\leadsto \color{blue}{a \cdot \left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
    10. Taylor expanded in k around inf 30.1%

      \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(99 \cdot k\right)}\right) \]
    11. Step-by-step derivation
      1. *-commutative30.1%

        \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(k \cdot 99\right)}\right) \]
    12. Simplified30.1%

      \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(k \cdot 99\right)}\right) \]
  3. Recombined 3 regimes into one program.
  4. Final simplification54.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -6 \cdot 10^{+21}:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{elif}\;m \leq 8.8 \cdot 10^{+22}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + \frac{k}{a} \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 54.3% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 8.8 \cdot 10^{+22}:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 8.8e+22)
   (/ a (+ 1.0 (* k (+ k 10.0))))
   (* a (+ 1.0 (* k (* k 99.0))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 8.8e+22) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a * (1.0 + (k * (k * 99.0)));
	}
	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 <= 8.8d+22) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else
        tmp = a * (1.0d0 + (k * (k * 99.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 8.8e+22) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a * (1.0 + (k * (k * 99.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 8.8e+22:
		tmp = a / (1.0 + (k * (k + 10.0)))
	else:
		tmp = a * (1.0 + (k * (k * 99.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 8.8e+22)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	else
		tmp = Float64(a * Float64(1.0 + Float64(k * Float64(k * 99.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 8.8e+22)
		tmp = a / (1.0 + (k * (k + 10.0)));
	else
		tmp = a * (1.0 + (k * (k * 99.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 8.8e+22], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 + N[(k * N[(k * 99.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 8.8 \cdot 10^{+22}:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 8.8e22

    1. Initial program 96.4%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.4%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.4%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.4%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.4%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 62.1%

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

    if 8.8e22 < m

    1. Initial program 83.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*83.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg283.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac283.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+83.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out83.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified83.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    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 25.3%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv25.3%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. associate-*r*25.3%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right)} + \left(-10\right) \cdot a\right) \]
      3. metadata-eval25.3%

        \[\leadsto a + k \cdot \left(\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right) + \color{blue}{-10} \cdot a\right) \]
      4. mul-1-neg25.3%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k\right)} \cdot \left(a + -100 \cdot a\right) + -10 \cdot a\right) \]
      5. distribute-rgt1-in25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)} + -10 \cdot a\right) \]
      6. metadata-eval25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(\color{blue}{-99} \cdot a\right) + -10 \cdot a\right) \]
      7. *-commutative25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified25.3%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + a \cdot -10\right)} \]
    9. Taylor expanded in a around 0 30.1%

      \[\leadsto \color{blue}{a \cdot \left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
    10. Taylor expanded in k around inf 30.1%

      \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(99 \cdot k\right)}\right) \]
    11. Step-by-step derivation
      1. *-commutative30.1%

        \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(k \cdot 99\right)}\right) \]
    12. Simplified30.1%

      \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(k \cdot 99\right)}\right) \]
  3. Recombined 2 regimes into one program.
  4. Final simplification52.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 8.8 \cdot 10^{+22}:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 53.5% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 8.8 \cdot 10^{+22}:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a \cdot \left(1 + k \cdot \left(k \cdot 99\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 8.8e+22) (/ a (+ 1.0 (* k k))) (* a (+ 1.0 (* k (* k 99.0))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 8.8e+22) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a * (1.0 + (k * (k * 99.0)));
	}
	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 <= 8.8d+22) then
        tmp = a / (1.0d0 + (k * k))
    else
        tmp = a * (1.0d0 + (k * (k * 99.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 8.8e+22) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a * (1.0 + (k * (k * 99.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 8.8e+22:
		tmp = a / (1.0 + (k * k))
	else:
		tmp = a * (1.0 + (k * (k * 99.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 8.8e+22)
		tmp = Float64(a / Float64(1.0 + Float64(k * k)));
	else
		tmp = Float64(a * Float64(1.0 + Float64(k * Float64(k * 99.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 8.8e+22)
		tmp = a / (1.0 + (k * k));
	else
		tmp = a * (1.0 + (k * (k * 99.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 8.8e+22], N[(a / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a * N[(1.0 + N[(k * N[(k * 99.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 8.8 \cdot 10^{+22}:\\
\;\;\;\;\frac{a}{1 + k \cdot k}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 8.8e22

    1. Initial program 96.4%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*96.4%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg96.4%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg296.4%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac296.4%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out96.4%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified96.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 62.1%

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

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

    if 8.8e22 < m

    1. Initial program 83.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*83.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg283.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac283.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+83.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out83.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified83.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    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 25.3%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv25.3%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. associate-*r*25.3%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right)} + \left(-10\right) \cdot a\right) \]
      3. metadata-eval25.3%

        \[\leadsto a + k \cdot \left(\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right) + \color{blue}{-10} \cdot a\right) \]
      4. mul-1-neg25.3%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k\right)} \cdot \left(a + -100 \cdot a\right) + -10 \cdot a\right) \]
      5. distribute-rgt1-in25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)} + -10 \cdot a\right) \]
      6. metadata-eval25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(\color{blue}{-99} \cdot a\right) + -10 \cdot a\right) \]
      7. *-commutative25.3%

        \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified25.3%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + a \cdot -10\right)} \]
    9. Taylor expanded in a around 0 30.1%

      \[\leadsto \color{blue}{a \cdot \left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
    10. Taylor expanded in k around inf 30.1%

      \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(99 \cdot k\right)}\right) \]
    11. Step-by-step derivation
      1. *-commutative30.1%

        \[\leadsto a \cdot \left(1 + k \cdot \color{blue}{\left(k \cdot 99\right)}\right) \]
    12. Simplified30.1%

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

Alternative 9: 44.2% accurate, 16.3× speedup?

\[\begin{array}{l} \\ \frac{a}{1 + k \cdot k} \end{array} \]
(FPCore (a k m) :precision binary64 (/ a (+ 1.0 (* k k))))
double code(double a, double k, double m) {
	return a / (1.0 + (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 / (1.0d0 + (k * k))
end function
public static double code(double a, double k, double m) {
	return a / (1.0 + (k * k));
}
def code(a, k, m):
	return a / (1.0 + (k * k))
function code(a, k, m)
	return Float64(a / Float64(1.0 + Float64(k * k)))
end
function tmp = code(a, k, m)
	tmp = a / (1.0 + (k * k));
end
code[a_, k_, m_] := N[(a / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{a}{1 + k \cdot k}
\end{array}
Derivation
  1. Initial program 92.4%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*92.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg92.4%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg292.4%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac292.4%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified92.4%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 43.6%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around inf 43.3%

    \[\leadsto \frac{a}{1 + k \cdot \color{blue}{k}} \]
  7. Add Preprocessing

Alternative 10: 28.8% accurate, 16.3× speedup?

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

\\
\frac{a}{1 + k \cdot 10}
\end{array}
Derivation
  1. Initial program 92.4%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*92.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg92.4%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg292.4%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac292.4%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified92.4%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 43.6%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 24.0%

    \[\leadsto \frac{a}{1 + \color{blue}{10 \cdot k}} \]
  7. Step-by-step derivation
    1. *-commutative79.3%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot 10}} \]
  8. Simplified24.0%

    \[\leadsto \frac{a}{1 + \color{blue}{k \cdot 10}} \]
  9. Add Preprocessing

Alternative 11: 21.4% accurate, 16.3× speedup?

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

\\
a \cdot \left(1 + k \cdot -10\right)
\end{array}
Derivation
  1. Initial program 92.4%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*92.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg92.4%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg292.4%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac292.4%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified92.4%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 43.6%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 24.6%

    \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
  7. Step-by-step derivation
    1. cancel-sign-sub-inv24.6%

      \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
    2. associate-*r*24.6%

      \[\leadsto a + k \cdot \left(\color{blue}{\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right)} + \left(-10\right) \cdot a\right) \]
    3. metadata-eval24.6%

      \[\leadsto a + k \cdot \left(\left(-1 \cdot k\right) \cdot \left(a + -100 \cdot a\right) + \color{blue}{-10} \cdot a\right) \]
    4. mul-1-neg24.6%

      \[\leadsto a + k \cdot \left(\color{blue}{\left(-k\right)} \cdot \left(a + -100 \cdot a\right) + -10 \cdot a\right) \]
    5. distribute-rgt1-in24.6%

      \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)} + -10 \cdot a\right) \]
    6. metadata-eval24.6%

      \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(\color{blue}{-99} \cdot a\right) + -10 \cdot a\right) \]
    7. *-commutative24.6%

      \[\leadsto a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + \color{blue}{a \cdot -10}\right) \]
  8. Simplified24.6%

    \[\leadsto \color{blue}{a + k \cdot \left(\left(-k\right) \cdot \left(-99 \cdot a\right) + a \cdot -10\right)} \]
  9. Taylor expanded in a around 0 25.7%

    \[\leadsto \color{blue}{a \cdot \left(1 + k \cdot \left(99 \cdot k - 10\right)\right)} \]
  10. Taylor expanded in k around 0 18.6%

    \[\leadsto a \cdot \left(1 + \color{blue}{-10 \cdot k}\right) \]
  11. Step-by-step derivation
    1. *-commutative18.6%

      \[\leadsto a \cdot \left(1 + \color{blue}{k \cdot -10}\right) \]
  12. Simplified18.6%

    \[\leadsto a \cdot \left(1 + \color{blue}{k \cdot -10}\right) \]
  13. Add Preprocessing

Alternative 12: 20.6% 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 92.4%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*92.4%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg92.4%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg292.4%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac292.4%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out92.4%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified92.4%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 43.6%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 18.1%

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

Reproduce

?
herbie shell --seed 2024150 
(FPCore (a k m)
  :name "Falkner and Boettcher, Appendix A"
  :precision binary64
  (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))