Falkner and Boettcher, Appendix A

Percentage Accurate: 90.4% → 99.7%
Time: 14.5s
Alternatives: 11
Speedup: 1.0×

Specification

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

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

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 11 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 90.4% accurate, 1.0× speedup?

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

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

Alternative 1: 99.7% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := a \cdot {k}^{m}\\ t_1 := \frac{1}{t\_0}\\ \mathbf{if}\;k \leq 10^{-10}:\\ \;\;\;\;a \cdot \left({k}^{m} \cdot \mathsf{fma}\left(k, -10, 1\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{t\_1 + k \cdot \left(10 \cdot t\_1 + \frac{k}{t\_0}\right)}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (let* ((t_0 (* a (pow k m))) (t_1 (/ 1.0 t_0)))
   (if (<= k 1e-10)
     (* a (* (pow k m) (fma k -10.0 1.0)))
     (/ 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 <= 1e-10) {
		tmp = a * (pow(k, m) * fma(k, -10.0, 1.0));
	} 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 <= 1e-10)
		tmp = Float64(a * Float64((k ^ m) * fma(k, -10.0, 1.0)));
	else
		tmp = Float64(1.0 / Float64(t_1 + Float64(k * Float64(Float64(10.0 * t_1) + Float64(k / t_0)))));
	end
	return tmp
end
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, 1e-10], N[(a * N[(N[Power[k, m], $MachinePrecision] * N[(k * -10.0 + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 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 10^{-10}:\\
\;\;\;\;a \cdot \left({k}^{m} \cdot \mathsf{fma}\left(k, -10, 1\right)\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.00000000000000004e-10

    1. Initial program 94.6%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*94.6%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg294.6%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac294.6%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+94.6%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out94.6%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified94.6%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in k around 0 88.7%

      \[\leadsto a \cdot \color{blue}{\left(-10 \cdot \left(k \cdot {k}^{m}\right) + {k}^{m}\right)} \]
    6. Step-by-step derivation
      1. associate-*r*88.7%

        \[\leadsto a \cdot \left(\color{blue}{\left(-10 \cdot k\right) \cdot {k}^{m}} + {k}^{m}\right) \]
      2. *-lft-identity88.7%

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

        \[\leadsto a \cdot \color{blue}{\left({k}^{m} \cdot \left(-10 \cdot k + 1\right)\right)} \]
      4. *-commutative100.0%

        \[\leadsto a \cdot \left({k}^{m} \cdot \left(\color{blue}{k \cdot -10} + 1\right)\right) \]
      5. fma-define100.0%

        \[\leadsto a \cdot \left({k}^{m} \cdot \color{blue}{\mathsf{fma}\left(k, -10, 1\right)}\right) \]
    7. Simplified100.0%

      \[\leadsto a \cdot \color{blue}{\left({k}^{m} \cdot \mathsf{fma}\left(k, -10, 1\right)\right)} \]

    if 1.00000000000000004e-10 < k

    1. Initial program 80.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*80.1%

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

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

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

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+80.1%

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

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

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

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in80.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+80.1%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/80.1%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num80.1%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+80.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in80.1%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative80.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. +-commutative80.1%

        \[\leadsto \frac{1}{\frac{k \cdot \color{blue}{\left(k + 10\right)} + 1}{a \cdot {k}^{m}}} \]
      9. fma-undefine80.1%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, k + 10, 1\right)}}{a \cdot {k}^{m}}} \]
      10. *-commutative80.1%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr80.1%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.0%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.7%

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

Alternative 2: 98.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -1.78 \cdot 10^{-9} \lor \neg \left(m \leq 0.0029\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (or (<= m -1.78e-9) (not (<= m 0.0029)))
   (* a (pow k m))
   (/ 1.0 (+ (/ 1.0 a) (* k (+ (* 10.0 (/ 1.0 a)) (/ k a)))))))
double code(double a, double k, double m) {
	double tmp;
	if ((m <= -1.78e-9) || !(m <= 0.0029)) {
		tmp = a * pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if ((m <= (-1.78d-9)) .or. (.not. (m <= 0.0029d0))) then
        tmp = a * (k ** m)
    else
        tmp = 1.0d0 / ((1.0d0 / a) + (k * ((10.0d0 * (1.0d0 / a)) + (k / a))))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if ((m <= -1.78e-9) || !(m <= 0.0029)) {
		tmp = a * Math.pow(k, m);
	} else {
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if (m <= -1.78e-9) or not (m <= 0.0029):
		tmp = a * math.pow(k, m)
	else:
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if ((m <= -1.78e-9) || !(m <= 0.0029))
		tmp = Float64(a * (k ^ m));
	else
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(Float64(10.0 * Float64(1.0 / a)) + Float64(k / a)))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if ((m <= -1.78e-9) || ~((m <= 0.0029)))
		tmp = a * (k ^ m);
	else
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[Or[LessEqual[m, -1.78e-9], N[Not[LessEqual[m, 0.0029]], $MachinePrecision]], N[(a * N[Power[k, m], $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(N[(10.0 * N[(1.0 / a), $MachinePrecision]), $MachinePrecision] + N[(k / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -1.78 \cdot 10^{-9} \lor \neg \left(m \leq 0.0029\right):\\
\;\;\;\;a \cdot {k}^{m}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < -1.78e-9 or 0.0029 < m

    1. Initial program 89.1%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*89.1%

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

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

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

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+89.1%

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

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

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

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

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

    if -1.78e-9 < m < 0.0029

    1. Initial program 90.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*90.7%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg90.7%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg290.7%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac290.7%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg90.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg90.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+90.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg90.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out90.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified90.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in90.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+90.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/90.7%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num90.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+90.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in90.6%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative90.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. +-commutative90.6%

        \[\leadsto \frac{1}{\frac{k \cdot \color{blue}{\left(k + 10\right)} + 1}{a \cdot {k}^{m}}} \]
      9. fma-undefine90.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, k + 10, 1\right)}}{a \cdot {k}^{m}}} \]
      10. *-commutative90.6%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr90.6%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 99.0%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 98.5%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -1.78 \cdot 10^{-9} \lor \neg \left(m \leq 0.0029\right):\\ \;\;\;\;a \cdot {k}^{m}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 55.4% accurate, 4.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq -2 \cdot 10^{+49}:\\ \;\;\;\;\frac{1}{\frac{1 + k \cdot \left(k + 10\right)}{a}}\\ \mathbf{elif}\;m \leq 1.9:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m -2e+49)
   (/ 1.0 (/ (+ 1.0 (* k (+ k 10.0))) a))
   (if (<= m 1.9)
     (/ 1.0 (+ (/ 1.0 a) (* k (+ (* 10.0 (/ 1.0 a)) (/ k a)))))
     (+ a (* a (* k (- (* k 99.0) 10.0)))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= -2e+49) {
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a);
	} else if (m <= 1.9) {
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= (-2d+49)) then
        tmp = 1.0d0 / ((1.0d0 + (k * (k + 10.0d0))) / a)
    else if (m <= 1.9d0) then
        tmp = 1.0d0 / ((1.0d0 / a) + (k * ((10.0d0 * (1.0d0 / a)) + (k / a))))
    else
        tmp = a + (a * (k * ((k * 99.0d0) - 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= -2e+49) {
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a);
	} else if (m <= 1.9) {
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= -2e+49:
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a)
	elif m <= 1.9:
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))))
	else:
		tmp = a + (a * (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= -2e+49)
		tmp = Float64(1.0 / Float64(Float64(1.0 + Float64(k * Float64(k + 10.0))) / a));
	elseif (m <= 1.9)
		tmp = Float64(1.0 / Float64(Float64(1.0 / a) + Float64(k * Float64(Float64(10.0 * Float64(1.0 / a)) + Float64(k / a)))));
	else
		tmp = Float64(a + Float64(a * Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= -2e+49)
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a);
	elseif (m <= 1.9)
		tmp = 1.0 / ((1.0 / a) + (k * ((10.0 * (1.0 / a)) + (k / a))));
	else
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, -2e+49], N[(1.0 / N[(N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 1.9], N[(1.0 / N[(N[(1.0 / a), $MachinePrecision] + N[(k * N[(N[(10.0 * N[(1.0 / a), $MachinePrecision]), $MachinePrecision] + N[(k / a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(a * N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq -2 \cdot 10^{+49}:\\
\;\;\;\;\frac{1}{\frac{1 + k \cdot \left(k + 10\right)}{a}}\\

\mathbf{elif}\;m \leq 1.9:\\
\;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < -1.99999999999999989e49

    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. Step-by-step derivation
      1. distribute-lft-in100.0%

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

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

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num100.0%

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

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in100.0%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative100.0%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. +-commutative100.0%

        \[\leadsto \frac{1}{\frac{k \cdot \color{blue}{\left(k + 10\right)} + 1}{a \cdot {k}^{m}}} \]
      9. fma-undefine100.0%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, k + 10, 1\right)}}{a \cdot {k}^{m}}} \]
      10. *-commutative100.0%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr100.0%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in m around 0 35.3%

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

    if -1.99999999999999989e49 < m < 1.8999999999999999

    1. Initial program 91.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*91.7%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg91.7%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg291.7%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac291.7%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg91.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg91.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+91.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg91.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out91.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified91.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in91.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+91.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/91.7%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num91.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+91.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in91.6%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative91.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. +-commutative91.6%

        \[\leadsto \frac{1}{\frac{k \cdot \color{blue}{\left(k + 10\right)} + 1}{a \cdot {k}^{m}}} \]
      9. fma-undefine91.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, k + 10, 1\right)}}{a \cdot {k}^{m}}} \]
      10. *-commutative91.6%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr91.6%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in k around 0 96.1%

      \[\leadsto \frac{1}{\color{blue}{k \cdot \left(10 \cdot \frac{1}{a \cdot {k}^{m}} + \frac{k}{a \cdot {k}^{m}}\right) + \frac{1}{a \cdot {k}^{m}}}} \]
    8. Taylor expanded in m around 0 92.3%

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

    if 1.8999999999999999 < m

    1. Initial program 81.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*81.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg281.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac281.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+81.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out81.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified81.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.1%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
      3. mul-1-neg19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      4. distribute-rgt1-in19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)}\right) + -10 \cdot a\right) \]
      5. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(\color{blue}{-99} \cdot a\right)\right) + -10 \cdot a\right) \]
      6. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + a \cdot -10\right)} \]
    9. Taylor expanded in k around 0 19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(-10 \cdot a + 99 \cdot \left(a \cdot k\right)\right)} \]
    10. Step-by-step derivation
      1. +-commutative19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right) + -10 \cdot a\right)} \]
      2. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(a \cdot k\right) \cdot 99} + -10 \cdot a\right) \]
      3. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10\right)} \cdot a\right) \]
      4. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10 \cdot a\right)}\right) \]
      5. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot a\right)} \cdot 99 + \left(-10 \cdot a\right)\right) \]
      6. associate-*r*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{k \cdot \left(a \cdot 99\right)} + \left(-10 \cdot a\right)\right) \]
      7. fma-define19.9%

        \[\leadsto a + k \cdot \color{blue}{\mathsf{fma}\left(k, a \cdot 99, -10 \cdot a\right)} \]
      8. *-commutative19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{99 \cdot a}, -10 \cdot a\right) \]
      9. metadata-eval19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{\left(--99\right)} \cdot a, -10 \cdot a\right) \]
      10. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{--99 \cdot a}, -10 \cdot a\right) \]
      11. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{-99 \cdot \left(-a\right)}, -10 \cdot a\right) \]
      12. fmm-def19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(k \cdot \left(-99 \cdot \left(-a\right)\right) - 10 \cdot a\right)} \]
      13. associate-*l*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot -99\right) \cdot \left(-a\right)} - 10 \cdot a\right) \]
      14. distribute-rgt-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-\left(k \cdot -99\right) \cdot a\right)} - 10 \cdot a\right) \]
      15. distribute-lft-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot -99\right) \cdot a} - 10 \cdot a\right) \]
      16. distribute-rgt-out--19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(a \cdot \left(\left(-k \cdot -99\right) - 10\right)\right)} \]
      17. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(\color{blue}{k \cdot \left(--99\right)} - 10\right)\right) \]
      18. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(k \cdot \color{blue}{99} - 10\right)\right) \]
    11. Simplified19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(a \cdot \left(k \cdot 99 - 10\right)\right)} \]
    12. Taylor expanded in a around 0 27.5%

      \[\leadsto a + \color{blue}{a \cdot \left(k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification54.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq -2 \cdot 10^{+49}:\\ \;\;\;\;\frac{1}{\frac{1 + k \cdot \left(k + 10\right)}{a}}\\ \mathbf{elif}\;m \leq 1.9:\\ \;\;\;\;\frac{1}{\frac{1}{a} + k \cdot \left(10 \cdot \frac{1}{a} + \frac{k}{a}\right)}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 53.7% accurate, 7.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.9:\\ \;\;\;\;\frac{1}{\frac{1 + k \cdot \left(k + 10\right)}{a}}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 1.9)
   (/ 1.0 (/ (+ 1.0 (* k (+ k 10.0))) a))
   (+ a (* a (* k (- (* k 99.0) 10.0))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.9) {
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a);
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 1.9d0) then
        tmp = 1.0d0 / ((1.0d0 + (k * (k + 10.0d0))) / a)
    else
        tmp = a + (a * (k * ((k * 99.0d0) - 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.9) {
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a);
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 1.9:
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a)
	else:
		tmp = a + (a * (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 1.9)
		tmp = Float64(1.0 / Float64(Float64(1.0 + Float64(k * Float64(k + 10.0))) / a));
	else
		tmp = Float64(a + Float64(a * Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 1.9)
		tmp = 1.0 / ((1.0 + (k * (k + 10.0))) / a);
	else
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 1.9], N[(1.0 / N[(N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision], N[(a + N[(a * N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.9:\\
\;\;\;\;\frac{1}{\frac{1 + k \cdot \left(k + 10\right)}{a}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.8999999999999999

    1. Initial program 94.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*94.7%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg94.7%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg294.7%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac294.7%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified94.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. distribute-lft-in94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{\left(k \cdot 10 + k \cdot k\right)}} \]
      2. associate-+l+94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      3. associate-*r/94.7%

        \[\leadsto \color{blue}{\frac{a \cdot {k}^{m}}{\left(1 + k \cdot 10\right) + k \cdot k}} \]
      4. clear-num94.6%

        \[\leadsto \color{blue}{\frac{1}{\frac{\left(1 + k \cdot 10\right) + k \cdot k}{a \cdot {k}^{m}}}} \]
      5. associate-+l+94.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{1 + \left(k \cdot 10 + k \cdot k\right)}}{a \cdot {k}^{m}}} \]
      6. distribute-lft-in94.6%

        \[\leadsto \frac{1}{\frac{1 + \color{blue}{k \cdot \left(10 + k\right)}}{a \cdot {k}^{m}}} \]
      7. +-commutative94.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{k \cdot \left(10 + k\right) + 1}}{a \cdot {k}^{m}}} \]
      8. +-commutative94.6%

        \[\leadsto \frac{1}{\frac{k \cdot \color{blue}{\left(k + 10\right)} + 1}{a \cdot {k}^{m}}} \]
      9. fma-undefine94.6%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(k, k + 10, 1\right)}}{a \cdot {k}^{m}}} \]
      10. *-commutative94.6%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{\color{blue}{{k}^{m} \cdot a}}} \]
    6. Applied egg-rr94.6%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(k, k + 10, 1\right)}{{k}^{m} \cdot a}}} \]
    7. Taylor expanded in m around 0 67.2%

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

    if 1.8999999999999999 < m

    1. Initial program 81.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*81.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg281.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac281.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+81.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out81.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified81.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.1%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
      3. mul-1-neg19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      4. distribute-rgt1-in19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)}\right) + -10 \cdot a\right) \]
      5. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(\color{blue}{-99} \cdot a\right)\right) + -10 \cdot a\right) \]
      6. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + a \cdot -10\right)} \]
    9. Taylor expanded in k around 0 19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(-10 \cdot a + 99 \cdot \left(a \cdot k\right)\right)} \]
    10. Step-by-step derivation
      1. +-commutative19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right) + -10 \cdot a\right)} \]
      2. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(a \cdot k\right) \cdot 99} + -10 \cdot a\right) \]
      3. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10\right)} \cdot a\right) \]
      4. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10 \cdot a\right)}\right) \]
      5. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot a\right)} \cdot 99 + \left(-10 \cdot a\right)\right) \]
      6. associate-*r*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{k \cdot \left(a \cdot 99\right)} + \left(-10 \cdot a\right)\right) \]
      7. fma-define19.9%

        \[\leadsto a + k \cdot \color{blue}{\mathsf{fma}\left(k, a \cdot 99, -10 \cdot a\right)} \]
      8. *-commutative19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{99 \cdot a}, -10 \cdot a\right) \]
      9. metadata-eval19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{\left(--99\right)} \cdot a, -10 \cdot a\right) \]
      10. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{--99 \cdot a}, -10 \cdot a\right) \]
      11. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{-99 \cdot \left(-a\right)}, -10 \cdot a\right) \]
      12. fmm-def19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(k \cdot \left(-99 \cdot \left(-a\right)\right) - 10 \cdot a\right)} \]
      13. associate-*l*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot -99\right) \cdot \left(-a\right)} - 10 \cdot a\right) \]
      14. distribute-rgt-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-\left(k \cdot -99\right) \cdot a\right)} - 10 \cdot a\right) \]
      15. distribute-lft-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot -99\right) \cdot a} - 10 \cdot a\right) \]
      16. distribute-rgt-out--19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(a \cdot \left(\left(-k \cdot -99\right) - 10\right)\right)} \]
      17. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(\color{blue}{k \cdot \left(--99\right)} - 10\right)\right) \]
      18. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(k \cdot \color{blue}{99} - 10\right)\right) \]
    11. Simplified19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(a \cdot \left(k \cdot 99 - 10\right)\right)} \]
    12. Taylor expanded in a around 0 27.5%

      \[\leadsto a + \color{blue}{a \cdot \left(k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification51.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.9:\\ \;\;\;\;\frac{1}{\frac{1 + k \cdot \left(k + 10\right)}{a}}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 53.8% accurate, 7.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.98:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 1.98)
   (/ a (+ 1.0 (* k (+ k 10.0))))
   (+ a (* a (* k (- (* k 99.0) 10.0))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.98) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 1.98d0) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else
        tmp = a + (a * (k * ((k * 99.0d0) - 10.0d0)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.98) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 1.98:
		tmp = a / (1.0 + (k * (k + 10.0)))
	else:
		tmp = a + (a * (k * ((k * 99.0) - 10.0)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 1.98)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	else
		tmp = Float64(a + Float64(a * Float64(k * Float64(Float64(k * 99.0) - 10.0))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 1.98)
		tmp = a / (1.0 + (k * (k + 10.0)));
	else
		tmp = a + (a * (k * ((k * 99.0) - 10.0)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 1.98], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(a * N[(k * N[(N[(k * 99.0), $MachinePrecision] - 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.98:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.98

    1. Initial program 94.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*94.7%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg94.7%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg294.7%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac294.7%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified94.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 66.4%

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

    if 1.98 < m

    1. Initial program 81.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*81.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg281.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac281.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+81.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out81.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified81.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.1%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
      3. mul-1-neg19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      4. distribute-rgt1-in19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)}\right) + -10 \cdot a\right) \]
      5. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(\color{blue}{-99} \cdot a\right)\right) + -10 \cdot a\right) \]
      6. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + a \cdot -10\right)} \]
    9. Taylor expanded in k around 0 19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(-10 \cdot a + 99 \cdot \left(a \cdot k\right)\right)} \]
    10. Step-by-step derivation
      1. +-commutative19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right) + -10 \cdot a\right)} \]
      2. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(a \cdot k\right) \cdot 99} + -10 \cdot a\right) \]
      3. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10\right)} \cdot a\right) \]
      4. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10 \cdot a\right)}\right) \]
      5. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot a\right)} \cdot 99 + \left(-10 \cdot a\right)\right) \]
      6. associate-*r*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{k \cdot \left(a \cdot 99\right)} + \left(-10 \cdot a\right)\right) \]
      7. fma-define19.9%

        \[\leadsto a + k \cdot \color{blue}{\mathsf{fma}\left(k, a \cdot 99, -10 \cdot a\right)} \]
      8. *-commutative19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{99 \cdot a}, -10 \cdot a\right) \]
      9. metadata-eval19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{\left(--99\right)} \cdot a, -10 \cdot a\right) \]
      10. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{--99 \cdot a}, -10 \cdot a\right) \]
      11. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{-99 \cdot \left(-a\right)}, -10 \cdot a\right) \]
      12. fmm-def19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(k \cdot \left(-99 \cdot \left(-a\right)\right) - 10 \cdot a\right)} \]
      13. associate-*l*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot -99\right) \cdot \left(-a\right)} - 10 \cdot a\right) \]
      14. distribute-rgt-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-\left(k \cdot -99\right) \cdot a\right)} - 10 \cdot a\right) \]
      15. distribute-lft-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot -99\right) \cdot a} - 10 \cdot a\right) \]
      16. distribute-rgt-out--19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(a \cdot \left(\left(-k \cdot -99\right) - 10\right)\right)} \]
      17. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(\color{blue}{k \cdot \left(--99\right)} - 10\right)\right) \]
      18. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(k \cdot \color{blue}{99} - 10\right)\right) \]
    11. Simplified19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(a \cdot \left(k \cdot 99 - 10\right)\right)} \]
    12. Taylor expanded in a around 0 27.5%

      \[\leadsto a + \color{blue}{a \cdot \left(k \cdot \left(99 \cdot k - 10\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification51.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.98:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + a \cdot \left(k \cdot \left(k \cdot 99 - 10\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 52.1% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.15:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 2.15) (/ a (+ 1.0 (* k (+ k 10.0)))) (+ a (* k (* 99.0 (* k a))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 2.15) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 2.15d0) then
        tmp = a / (1.0d0 + (k * (k + 10.0d0)))
    else
        tmp = a + (k * (99.0d0 * (k * a)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 2.15) {
		tmp = a / (1.0 + (k * (k + 10.0)));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 2.15:
		tmp = a / (1.0 + (k * (k + 10.0)))
	else:
		tmp = a + (k * (99.0 * (k * a)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 2.15)
		tmp = Float64(a / Float64(1.0 + Float64(k * Float64(k + 10.0))));
	else
		tmp = Float64(a + Float64(k * Float64(99.0 * Float64(k * a))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 2.15)
		tmp = a / (1.0 + (k * (k + 10.0)));
	else
		tmp = a + (k * (99.0 * (k * a)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 2.15], N[(a / N[(1.0 + N[(k * N[(k + 10.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(k * N[(99.0 * N[(k * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.15:\\
\;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.14999999999999991

    1. Initial program 94.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*94.7%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg94.7%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg294.7%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac294.7%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified94.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 66.4%

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

    if 2.14999999999999991 < m

    1. Initial program 81.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*81.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg281.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac281.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+81.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out81.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified81.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.1%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
      3. mul-1-neg19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      4. distribute-rgt1-in19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)}\right) + -10 \cdot a\right) \]
      5. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(\color{blue}{-99} \cdot a\right)\right) + -10 \cdot a\right) \]
      6. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + a \cdot -10\right)} \]
    9. Taylor expanded in k around 0 19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(-10 \cdot a + 99 \cdot \left(a \cdot k\right)\right)} \]
    10. Step-by-step derivation
      1. +-commutative19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right) + -10 \cdot a\right)} \]
      2. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(a \cdot k\right) \cdot 99} + -10 \cdot a\right) \]
      3. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10\right)} \cdot a\right) \]
      4. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10 \cdot a\right)}\right) \]
      5. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot a\right)} \cdot 99 + \left(-10 \cdot a\right)\right) \]
      6. associate-*r*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{k \cdot \left(a \cdot 99\right)} + \left(-10 \cdot a\right)\right) \]
      7. fma-define19.9%

        \[\leadsto a + k \cdot \color{blue}{\mathsf{fma}\left(k, a \cdot 99, -10 \cdot a\right)} \]
      8. *-commutative19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{99 \cdot a}, -10 \cdot a\right) \]
      9. metadata-eval19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{\left(--99\right)} \cdot a, -10 \cdot a\right) \]
      10. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{--99 \cdot a}, -10 \cdot a\right) \]
      11. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{-99 \cdot \left(-a\right)}, -10 \cdot a\right) \]
      12. fmm-def19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(k \cdot \left(-99 \cdot \left(-a\right)\right) - 10 \cdot a\right)} \]
      13. associate-*l*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot -99\right) \cdot \left(-a\right)} - 10 \cdot a\right) \]
      14. distribute-rgt-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-\left(k \cdot -99\right) \cdot a\right)} - 10 \cdot a\right) \]
      15. distribute-lft-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot -99\right) \cdot a} - 10 \cdot a\right) \]
      16. distribute-rgt-out--19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(a \cdot \left(\left(-k \cdot -99\right) - 10\right)\right)} \]
      17. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(\color{blue}{k \cdot \left(--99\right)} - 10\right)\right) \]
      18. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(k \cdot \color{blue}{99} - 10\right)\right) \]
    11. Simplified19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(a \cdot \left(k \cdot 99 - 10\right)\right)} \]
    12. Taylor expanded in k around inf 19.9%

      \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification48.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.15:\\ \;\;\;\;\frac{a}{1 + k \cdot \left(k + 10\right)}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 51.2% accurate, 8.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.98:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \end{array} \]
(FPCore (a k m)
 :precision binary64
 (if (<= m 1.98) (/ a (+ 1.0 (* k k))) (+ a (* k (* 99.0 (* k a))))))
double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.98) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
real(8) function code(a, k, m)
    real(8), intent (in) :: a
    real(8), intent (in) :: k
    real(8), intent (in) :: m
    real(8) :: tmp
    if (m <= 1.98d0) then
        tmp = a / (1.0d0 + (k * k))
    else
        tmp = a + (k * (99.0d0 * (k * a)))
    end if
    code = tmp
end function
public static double code(double a, double k, double m) {
	double tmp;
	if (m <= 1.98) {
		tmp = a / (1.0 + (k * k));
	} else {
		tmp = a + (k * (99.0 * (k * a)));
	}
	return tmp;
}
def code(a, k, m):
	tmp = 0
	if m <= 1.98:
		tmp = a / (1.0 + (k * k))
	else:
		tmp = a + (k * (99.0 * (k * a)))
	return tmp
function code(a, k, m)
	tmp = 0.0
	if (m <= 1.98)
		tmp = Float64(a / Float64(1.0 + Float64(k * k)));
	else
		tmp = Float64(a + Float64(k * Float64(99.0 * Float64(k * a))));
	end
	return tmp
end
function tmp_2 = code(a, k, m)
	tmp = 0.0;
	if (m <= 1.98)
		tmp = a / (1.0 + (k * k));
	else
		tmp = a + (k * (99.0 * (k * a)));
	end
	tmp_2 = tmp;
end
code[a_, k_, m_] := If[LessEqual[m, 1.98], N[(a / N[(1.0 + N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(a + N[(k * N[(99.0 * N[(k * a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.98:\\
\;\;\;\;\frac{a}{1 + k \cdot k}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.98

    1. Initial program 94.7%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*94.7%

        \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      2. remove-double-neg94.7%

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg294.7%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac294.7%

        \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
      5. remove-double-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
      6. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
      8. sqr-neg94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out94.7%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified94.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 66.4%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around inf 63.0%

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

    if 1.98 < m

    1. Initial program 81.8%

      \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
    2. Step-by-step derivation
      1. associate-/l*81.8%

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

        \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
      3. distribute-frac-neg281.8%

        \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
      4. distribute-neg-frac281.8%

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

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

        \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
      7. associate-+l+81.8%

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

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
      9. distribute-rgt-out81.8%

        \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
    3. Simplified81.8%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 3.1%

      \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
    6. Taylor expanded in k around 0 19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
    7. Step-by-step derivation
      1. cancel-sign-sub-inv19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
      2. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
      3. mul-1-neg19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
      4. distribute-rgt1-in19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)}\right) + -10 \cdot a\right) \]
      5. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(\color{blue}{-99} \cdot a\right)\right) + -10 \cdot a\right) \]
      6. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + \color{blue}{a \cdot -10}\right) \]
    8. Simplified19.9%

      \[\leadsto \color{blue}{a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + a \cdot -10\right)} \]
    9. Taylor expanded in k around 0 19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(-10 \cdot a + 99 \cdot \left(a \cdot k\right)\right)} \]
    10. Step-by-step derivation
      1. +-commutative19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right) + -10 \cdot a\right)} \]
      2. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(a \cdot k\right) \cdot 99} + -10 \cdot a\right) \]
      3. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10\right)} \cdot a\right) \]
      4. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \left(\left(a \cdot k\right) \cdot 99 + \color{blue}{\left(-10 \cdot a\right)}\right) \]
      5. *-commutative19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot a\right)} \cdot 99 + \left(-10 \cdot a\right)\right) \]
      6. associate-*r*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{k \cdot \left(a \cdot 99\right)} + \left(-10 \cdot a\right)\right) \]
      7. fma-define19.9%

        \[\leadsto a + k \cdot \color{blue}{\mathsf{fma}\left(k, a \cdot 99, -10 \cdot a\right)} \]
      8. *-commutative19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{99 \cdot a}, -10 \cdot a\right) \]
      9. metadata-eval19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{\left(--99\right)} \cdot a, -10 \cdot a\right) \]
      10. distribute-lft-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{--99 \cdot a}, -10 \cdot a\right) \]
      11. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \mathsf{fma}\left(k, \color{blue}{-99 \cdot \left(-a\right)}, -10 \cdot a\right) \]
      12. fmm-def19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(k \cdot \left(-99 \cdot \left(-a\right)\right) - 10 \cdot a\right)} \]
      13. associate-*l*19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(k \cdot -99\right) \cdot \left(-a\right)} - 10 \cdot a\right) \]
      14. distribute-rgt-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-\left(k \cdot -99\right) \cdot a\right)} - 10 \cdot a\right) \]
      15. distribute-lft-neg-out19.9%

        \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot -99\right) \cdot a} - 10 \cdot a\right) \]
      16. distribute-rgt-out--19.9%

        \[\leadsto a + k \cdot \color{blue}{\left(a \cdot \left(\left(-k \cdot -99\right) - 10\right)\right)} \]
      17. distribute-rgt-neg-in19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(\color{blue}{k \cdot \left(--99\right)} - 10\right)\right) \]
      18. metadata-eval19.9%

        \[\leadsto a + k \cdot \left(a \cdot \left(k \cdot \color{blue}{99} - 10\right)\right) \]
    11. Simplified19.9%

      \[\leadsto a + \color{blue}{k \cdot \left(a \cdot \left(k \cdot 99 - 10\right)\right)} \]
    12. Taylor expanded in k around inf 19.9%

      \[\leadsto a + k \cdot \color{blue}{\left(99 \cdot \left(a \cdot k\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification46.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.98:\\ \;\;\;\;\frac{a}{1 + k \cdot k}\\ \mathbf{else}:\\ \;\;\;\;a + k \cdot \left(99 \cdot \left(k \cdot a\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 43.7% 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 89.7%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*89.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg89.7%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg289.7%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac289.7%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified89.7%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 41.9%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around inf 39.9%

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

Alternative 9: 27.6% 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 89.7%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*89.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg89.7%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg289.7%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac289.7%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified89.7%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 41.9%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 27.9%

    \[\leadsto \frac{a}{1 + \color{blue}{10 \cdot k}} \]
  7. Step-by-step derivation
    1. *-commutative27.9%

      \[\leadsto \frac{a}{1 + \color{blue}{k \cdot 10}} \]
  8. Simplified27.9%

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

Alternative 10: 20.3% accurate, 16.3× speedup?

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

\\
a + k \cdot \left(a \cdot -10\right)
\end{array}
Derivation
  1. Initial program 89.7%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*89.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg89.7%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg289.7%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac289.7%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified89.7%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 41.9%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 24.9%

    \[\leadsto \color{blue}{a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) - 10 \cdot a\right)} \]
  7. Step-by-step derivation
    1. cancel-sign-sub-inv24.9%

      \[\leadsto a + k \cdot \color{blue}{\left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \left(-10\right) \cdot a\right)} \]
    2. metadata-eval24.9%

      \[\leadsto a + k \cdot \left(-1 \cdot \left(k \cdot \left(a + -100 \cdot a\right)\right) + \color{blue}{-10} \cdot a\right) \]
    3. mul-1-neg24.9%

      \[\leadsto a + k \cdot \left(\color{blue}{\left(-k \cdot \left(a + -100 \cdot a\right)\right)} + -10 \cdot a\right) \]
    4. distribute-rgt1-in24.9%

      \[\leadsto a + k \cdot \left(\left(-k \cdot \color{blue}{\left(\left(-100 + 1\right) \cdot a\right)}\right) + -10 \cdot a\right) \]
    5. metadata-eval24.9%

      \[\leadsto a + k \cdot \left(\left(-k \cdot \left(\color{blue}{-99} \cdot a\right)\right) + -10 \cdot a\right) \]
    6. *-commutative24.9%

      \[\leadsto a + k \cdot \left(\left(-k \cdot \left(-99 \cdot a\right)\right) + \color{blue}{a \cdot -10}\right) \]
  8. Simplified24.9%

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

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

      \[\leadsto a + \color{blue}{\left(a \cdot k\right) \cdot -10} \]
    2. *-commutative18.6%

      \[\leadsto a + \color{blue}{\left(k \cdot a\right)} \cdot -10 \]
    3. associate-*r*18.9%

      \[\leadsto a + \color{blue}{k \cdot \left(a \cdot -10\right)} \]
  11. Simplified18.9%

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

Alternative 11: 19.5% 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 89.7%

    \[\frac{a \cdot {k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k} \]
  2. Step-by-step derivation
    1. associate-/l*89.7%

      \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    2. remove-double-neg89.7%

      \[\leadsto a \cdot \color{blue}{\left(-\left(-\frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + k \cdot k}\right)\right)} \]
    3. distribute-frac-neg289.7%

      \[\leadsto a \cdot \left(-\color{blue}{\frac{{k}^{m}}{-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)}}\right) \]
    4. distribute-neg-frac289.7%

      \[\leadsto a \cdot \color{blue}{\frac{{k}^{m}}{-\left(-\left(\left(1 + 10 \cdot k\right) + k \cdot k\right)\right)}} \]
    5. remove-double-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{\left(1 + 10 \cdot k\right) + k \cdot k}} \]
    6. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\left(1 + 10 \cdot k\right) + \color{blue}{\left(-k\right) \cdot \left(-k\right)}} \]
    7. associate-+l+89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{\color{blue}{1 + \left(10 \cdot k + \left(-k\right) \cdot \left(-k\right)\right)}} \]
    8. sqr-neg89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \left(10 \cdot k + \color{blue}{k \cdot k}\right)} \]
    9. distribute-rgt-out89.7%

      \[\leadsto a \cdot \frac{{k}^{m}}{1 + \color{blue}{k \cdot \left(10 + k\right)}} \]
  3. Simplified89.7%

    \[\leadsto \color{blue}{a \cdot \frac{{k}^{m}}{1 + k \cdot \left(10 + k\right)}} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 41.9%

    \[\leadsto \color{blue}{\frac{a}{1 + k \cdot \left(10 + k\right)}} \]
  6. Taylor expanded in k around 0 18.7%

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

Reproduce

?
herbie shell --seed 2024157 
(FPCore (a k m)
  :name "Falkner and Boettcher, Appendix A"
  :precision binary64
  (/ (* a (pow k m)) (+ (+ 1.0 (* 10.0 k)) (* k k))))