Compound Interest

Percentage Accurate: 27.6% → 95.8%
Time: 19.3s
Alternatives: 17
Speedup: 38.0×

Specification

?
\[\begin{array}{l} \\ 100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \end{array} \]
(FPCore (i n)
 :precision binary64
 (* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))))
double code(double i, double n) {
	return 100.0 * ((pow((1.0 + (i / n)), n) - 1.0) / (i / n));
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = 100.0d0 * ((((1.0d0 + (i / n)) ** n) - 1.0d0) / (i / n))
end function
public static double code(double i, double n) {
	return 100.0 * ((Math.pow((1.0 + (i / n)), n) - 1.0) / (i / n));
}
def code(i, n):
	return 100.0 * ((math.pow((1.0 + (i / n)), n) - 1.0) / (i / n))
function code(i, n)
	return Float64(100.0 * Float64(Float64((Float64(1.0 + Float64(i / n)) ^ n) - 1.0) / Float64(i / n)))
end
function tmp = code(i, n)
	tmp = 100.0 * ((((1.0 + (i / n)) ^ n) - 1.0) / (i / n));
end
code[i_, n_] := N[(100.0 * N[(N[(N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision] - 1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}
\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 17 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: 27.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ 100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \end{array} \]
(FPCore (i n)
 :precision binary64
 (* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))))
double code(double i, double n) {
	return 100.0 * ((pow((1.0 + (i / n)), n) - 1.0) / (i / n));
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = 100.0d0 * ((((1.0d0 + (i / n)) ** n) - 1.0d0) / (i / n))
end function
public static double code(double i, double n) {
	return 100.0 * ((Math.pow((1.0 + (i / n)), n) - 1.0) / (i / n));
}
def code(i, n):
	return 100.0 * ((math.pow((1.0 + (i / n)), n) - 1.0) / (i / n))
function code(i, n)
	return Float64(100.0 * Float64(Float64((Float64(1.0 + Float64(i / n)) ^ n) - 1.0) / Float64(i / n)))
end
function tmp = code(i, n)
	tmp = 100.0 * ((((1.0 + (i / n)) ^ n) - 1.0) / (i / n));
end
code[i_, n_] := N[(100.0 * N[(N[(N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision] - 1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}
\end{array}

Alternative 1: 95.8% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := t_0 + -1\\ t_2 := \frac{t_1}{\frac{i}{n}}\\ \mathbf{if}\;t_2 \leq -4 \cdot 10^{-104}:\\ \;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\ \mathbf{elif}\;t_2 \leq 0:\\ \;\;\;\;\frac{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\ \mathbf{elif}\;t_2 \leq \infty:\\ \;\;\;\;100 \cdot \left(\frac{n}{i} \cdot t_1\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{100}{\frac{1}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (+ t_0 -1.0)) (t_2 (/ t_1 (/ i n))))
   (if (<= t_2 -4e-104)
     (* n (/ (+ (* t_0 100.0) -100.0) i))
     (if (<= t_2 0.0)
       (/ (* 100.0 (expm1 (* n (log1p (/ i n))))) (/ i n))
       (if (<= t_2 INFINITY) (* 100.0 (* (/ n i) t_1)) (/ 100.0 (/ 1.0 n)))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = t_0 + -1.0;
	double t_2 = t_1 / (i / n);
	double tmp;
	if (t_2 <= -4e-104) {
		tmp = n * (((t_0 * 100.0) + -100.0) / i);
	} else if (t_2 <= 0.0) {
		tmp = (100.0 * expm1((n * log1p((i / n))))) / (i / n);
	} else if (t_2 <= ((double) INFINITY)) {
		tmp = 100.0 * ((n / i) * t_1);
	} else {
		tmp = 100.0 / (1.0 / n);
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = Math.pow((1.0 + (i / n)), n);
	double t_1 = t_0 + -1.0;
	double t_2 = t_1 / (i / n);
	double tmp;
	if (t_2 <= -4e-104) {
		tmp = n * (((t_0 * 100.0) + -100.0) / i);
	} else if (t_2 <= 0.0) {
		tmp = (100.0 * Math.expm1((n * Math.log1p((i / n))))) / (i / n);
	} else if (t_2 <= Double.POSITIVE_INFINITY) {
		tmp = 100.0 * ((n / i) * t_1);
	} else {
		tmp = 100.0 / (1.0 / n);
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = t_0 + -1.0
	t_2 = t_1 / (i / n)
	tmp = 0
	if t_2 <= -4e-104:
		tmp = n * (((t_0 * 100.0) + -100.0) / i)
	elif t_2 <= 0.0:
		tmp = (100.0 * math.expm1((n * math.log1p((i / n))))) / (i / n)
	elif t_2 <= math.inf:
		tmp = 100.0 * ((n / i) * t_1)
	else:
		tmp = 100.0 / (1.0 / n)
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(t_0 + -1.0)
	t_2 = Float64(t_1 / Float64(i / n))
	tmp = 0.0
	if (t_2 <= -4e-104)
		tmp = Float64(n * Float64(Float64(Float64(t_0 * 100.0) + -100.0) / i));
	elseif (t_2 <= 0.0)
		tmp = Float64(Float64(100.0 * expm1(Float64(n * log1p(Float64(i / n))))) / Float64(i / n));
	elseif (t_2 <= Inf)
		tmp = Float64(100.0 * Float64(Float64(n / i) * t_1));
	else
		tmp = Float64(100.0 / Float64(1.0 / n));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision]}, Block[{t$95$1 = N[(t$95$0 + -1.0), $MachinePrecision]}, Block[{t$95$2 = N[(t$95$1 / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$2, -4e-104], N[(n * N[(N[(N[(t$95$0 * 100.0), $MachinePrecision] + -100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, 0.0], N[(N[(100.0 * N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision]), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, Infinity], N[(100.0 * N[(N[(n / i), $MachinePrecision] * t$95$1), $MachinePrecision]), $MachinePrecision], N[(100.0 / N[(1.0 / n), $MachinePrecision]), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := t_0 + -1\\
t_2 := \frac{t_1}{\frac{i}{n}}\\
\mathbf{if}\;t_2 \leq -4 \cdot 10^{-104}:\\
\;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\

\mathbf{elif}\;t_2 \leq 0:\\
\;\;\;\;\frac{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\

\mathbf{elif}\;t_2 \leq \infty:\\
\;\;\;\;100 \cdot \left(\frac{n}{i} \cdot t_1\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{100}{\frac{1}{n}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -3.99999999999999971e-104

    1. Initial program 99.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/99.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative99.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/100.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg100.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in100.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def100.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval100.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval100.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified100.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Step-by-step derivation
      1. fma-udef100.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. *-commutative100.0%

        \[\leadsto n \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{i} \]
    5. Applied egg-rr100.0%

      \[\leadsto n \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{i} \]

    if -3.99999999999999971e-104 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -0.0

    1. Initial program 20.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/20.5%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. *-commutative20.5%

        \[\leadsto \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{\frac{i}{n}} \]
      3. pow-to-exp20.5%

        \[\leadsto \frac{\left(\color{blue}{e^{\log \left(1 + \frac{i}{n}\right) \cdot n}} - 1\right) \cdot 100}{\frac{i}{n}} \]
      4. expm1-def31.4%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left(1 + \frac{i}{n}\right) \cdot n\right)} \cdot 100}{\frac{i}{n}} \]
      5. add-log-exp20.5%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{\log \left(e^{\log \left(1 + \frac{i}{n}\right) \cdot n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
      6. pow-to-exp20.5%

        \[\leadsto \frac{\mathsf{expm1}\left(\log \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
      7. log-pow31.4%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
      8. log1p-udef99.6%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
    3. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{\frac{i}{n}}} \]

    if -0.0 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 96.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. div-sub95.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num96.1%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg96.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv96.1%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num96.1%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    3. Applied egg-rr96.1%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    4. Step-by-step derivation
      1. +-commutative96.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\left(-\frac{n}{i}\right) + {\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i}\right)} \]
      2. neg-mul-196.1%

        \[\leadsto 100 \cdot \left(\color{blue}{-1 \cdot \frac{n}{i}} + {\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i}\right) \]
      3. distribute-rgt-out96.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{n}{i} \cdot \left(-1 + {\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \]
    5. Simplified96.1%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{n}{i} \cdot \left(-1 + {\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \]

    if +inf.0 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n))

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/0.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg0.0%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in0.0%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval0.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval0.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef0.0%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. div-inv0.0%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      8. associate-/r*1.8%

        \[\leadsto \color{blue}{\frac{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}}{\frac{1}{n}}} \]
    3. Applied egg-rr1.8%

      \[\leadsto \color{blue}{\frac{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}}{\frac{1}{n}}} \]
    4. Taylor expanded in i around 0 66.9%

      \[\leadsto \frac{\color{blue}{100}}{\frac{1}{n}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification92.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -4 \cdot 10^{-104}:\\ \;\;\;\;n \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{i}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;\frac{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;100 \cdot \left(\frac{n}{i} \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + -1\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{100}{\frac{1}{n}}\\ \end{array} \]

Alternative 2: 94.9% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n} + -1\\ t_1 := \frac{t_0}{\frac{i}{n}}\\ t_2 := 100 \cdot \left(\frac{n}{i} \cdot t_0\right)\\ \mathbf{if}\;t_1 \leq -\infty:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t_1 \leq 0:\\ \;\;\;\;n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)\\ \mathbf{elif}\;t_1 \leq \infty:\\ \;\;\;\;t_2\\ \mathbf{else}:\\ \;\;\;\;\frac{100}{\frac{1}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (+ (pow (+ 1.0 (/ i n)) n) -1.0))
        (t_1 (/ t_0 (/ i n)))
        (t_2 (* 100.0 (* (/ n i) t_0))))
   (if (<= t_1 (- INFINITY))
     t_2
     (if (<= t_1 0.0)
       (* n (* (expm1 (* n (log1p (/ i n)))) (/ 100.0 i)))
       (if (<= t_1 INFINITY) t_2 (/ 100.0 (/ 1.0 n)))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n) + -1.0;
	double t_1 = t_0 / (i / n);
	double t_2 = 100.0 * ((n / i) * t_0);
	double tmp;
	if (t_1 <= -((double) INFINITY)) {
		tmp = t_2;
	} else if (t_1 <= 0.0) {
		tmp = n * (expm1((n * log1p((i / n)))) * (100.0 / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = t_2;
	} else {
		tmp = 100.0 / (1.0 / n);
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = Math.pow((1.0 + (i / n)), n) + -1.0;
	double t_1 = t_0 / (i / n);
	double t_2 = 100.0 * ((n / i) * t_0);
	double tmp;
	if (t_1 <= -Double.POSITIVE_INFINITY) {
		tmp = t_2;
	} else if (t_1 <= 0.0) {
		tmp = n * (Math.expm1((n * Math.log1p((i / n)))) * (100.0 / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = t_2;
	} else {
		tmp = 100.0 / (1.0 / n);
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n) + -1.0
	t_1 = t_0 / (i / n)
	t_2 = 100.0 * ((n / i) * t_0)
	tmp = 0
	if t_1 <= -math.inf:
		tmp = t_2
	elif t_1 <= 0.0:
		tmp = n * (math.expm1((n * math.log1p((i / n)))) * (100.0 / i))
	elif t_1 <= math.inf:
		tmp = t_2
	else:
		tmp = 100.0 / (1.0 / n)
	return tmp
function code(i, n)
	t_0 = Float64((Float64(1.0 + Float64(i / n)) ^ n) + -1.0)
	t_1 = Float64(t_0 / Float64(i / n))
	t_2 = Float64(100.0 * Float64(Float64(n / i) * t_0))
	tmp = 0.0
	if (t_1 <= Float64(-Inf))
		tmp = t_2;
	elseif (t_1 <= 0.0)
		tmp = Float64(n * Float64(expm1(Float64(n * log1p(Float64(i / n)))) * Float64(100.0 / i)));
	elseif (t_1 <= Inf)
		tmp = t_2;
	else
		tmp = Float64(100.0 / Float64(1.0 / n));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision] + -1.0), $MachinePrecision]}, Block[{t$95$1 = N[(t$95$0 / N[(i / n), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(100.0 * N[(N[(n / i), $MachinePrecision] * t$95$0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, (-Infinity)], t$95$2, If[LessEqual[t$95$1, 0.0], N[(n * N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * N[(100.0 / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], t$95$2, N[(100.0 / N[(1.0 / n), $MachinePrecision]), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n} + -1\\
t_1 := \frac{t_0}{\frac{i}{n}}\\
t_2 := 100 \cdot \left(\frac{n}{i} \cdot t_0\right)\\
\mathbf{if}\;t_1 \leq -\infty:\\
\;\;\;\;t_2\\

\mathbf{elif}\;t_1 \leq 0:\\
\;\;\;\;n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)\\

\mathbf{elif}\;t_1 \leq \infty:\\
\;\;\;\;t_2\\

\mathbf{else}:\\
\;\;\;\;\frac{100}{\frac{1}{n}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -inf.0 or -0.0 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 96.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. div-sub96.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num96.9%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg96.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv96.9%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num96.9%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    3. Applied egg-rr96.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    4. Step-by-step derivation
      1. +-commutative96.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\left(-\frac{n}{i}\right) + {\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i}\right)} \]
      2. neg-mul-196.9%

        \[\leadsto 100 \cdot \left(\color{blue}{-1 \cdot \frac{n}{i}} + {\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i}\right) \]
      3. distribute-rgt-out97.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{n}{i} \cdot \left(-1 + {\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \]
    5. Simplified97.0%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{n}{i} \cdot \left(-1 + {\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \]

    if -inf.0 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -0.0

    1. Initial program 23.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/23.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*23.4%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative23.4%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/23.4%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg23.4%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in23.3%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def23.4%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval23.4%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval23.4%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified23.4%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Step-by-step derivation
      1. expm1-log1p-u23.4%

        \[\leadsto n \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)\right)} \]
      2. expm1-udef18.9%

        \[\leadsto n \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)} - 1\right)} \]
    5. Applied egg-rr73.3%

      \[\leadsto n \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\right)} - 1\right)} \]
    6. Step-by-step derivation
      1. expm1-def97.8%

        \[\leadsto n \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\right)\right)} \]
      2. expm1-log1p98.7%

        \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      3. *-rgt-identity98.7%

        \[\leadsto n \cdot \frac{\color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot 1}}{i} \]
      4. associate-*r/98.6%

        \[\leadsto n \cdot \color{blue}{\left(\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{1}{i}\right)} \]
      5. associate-*l*98.6%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{1}{i}\right)\right)} \]
      6. associate-*r/98.7%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{100 \cdot 1}{i}}\right) \]
      7. metadata-eval98.7%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{\color{blue}{100}}{i}\right) \]
    7. Simplified98.7%

      \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]

    if +inf.0 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n))

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/0.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg0.0%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in0.0%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval0.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval0.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef0.0%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. div-inv0.0%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      8. associate-/r*1.8%

        \[\leadsto \color{blue}{\frac{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}}{\frac{1}{n}}} \]
    3. Applied egg-rr1.8%

      \[\leadsto \color{blue}{\frac{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}}{\frac{1}{n}}} \]
    4. Taylor expanded in i around 0 66.9%

      \[\leadsto \frac{\color{blue}{100}}{\frac{1}{n}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification91.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -\infty:\\ \;\;\;\;100 \cdot \left(\frac{n}{i} \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + -1\right)\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;100 \cdot \left(\frac{n}{i} \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + -1\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{100}{\frac{1}{n}}\\ \end{array} \]

Alternative 3: 69.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.2 \cdot 10^{+153}:\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 8200:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \mathbf{elif}\;n \leq 3.6 \cdot 10^{+186}:\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -3.2e+153)
   (* n (+ (+ 100.0 (* 16.666666666666668 (* i i))) (* i 50.0)))
   (if (<= n 8200.0)
     (* 100.0 (/ (* n n) (+ n (* (* i n) (- (/ 0.5 n) 0.5)))))
     (if (<= n 3.6e+186)
       (* 100.0 (/ (expm1 i) (/ i n)))
       (* n (+ 100.0 (* i 50.0)))))))
double code(double i, double n) {
	double tmp;
	if (n <= -3.2e+153) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else if (n <= 8200.0) {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	} else if (n <= 3.6e+186) {
		tmp = 100.0 * (expm1(i) / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -3.2e+153) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else if (n <= 8200.0) {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	} else if (n <= 3.6e+186) {
		tmp = 100.0 * (Math.expm1(i) / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -3.2e+153:
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0))
	elif n <= 8200.0:
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))))
	elif n <= 3.6e+186:
		tmp = 100.0 * (math.expm1(i) / (i / n))
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -3.2e+153)
		tmp = Float64(n * Float64(Float64(100.0 + Float64(16.666666666666668 * Float64(i * i))) + Float64(i * 50.0)));
	elseif (n <= 8200.0)
		tmp = Float64(100.0 * Float64(Float64(n * n) / Float64(n + Float64(Float64(i * n) * Float64(Float64(0.5 / n) - 0.5)))));
	elseif (n <= 3.6e+186)
		tmp = Float64(100.0 * Float64(expm1(i) / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -3.2e+153], N[(n * N[(N[(100.0 + N[(16.666666666666668 * N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 8200.0], N[(100.0 * N[(N[(n * n), $MachinePrecision] / N[(n + N[(N[(i * n), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] - 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 3.6e+186], N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.2 \cdot 10^{+153}:\\
\;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\

\mathbf{elif}\;n \leq 8200:\\
\;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\

\mathbf{elif}\;n \leq 3.6 \cdot 10^{+186}:\\
\;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -3.2000000000000001e153

    1. Initial program 16.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/16.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*16.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative16.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/17.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg17.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in17.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def17.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval17.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval17.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified17.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 68.0%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative68.0%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out68.0%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified68.0%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 68.0%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in68.0%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+68.0%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*68.0%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval68.0%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow268.0%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*68.0%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval68.0%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified68.0%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]

    if -3.2000000000000001e153 < n < 8200

    1. Initial program 29.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 46.0%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*46.4%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative46.4%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/46.4%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval46.4%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified46.4%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Step-by-step derivation
      1. flip-+43.9%

        \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
      2. *-commutative43.9%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      3. *-commutative43.9%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      4. *-commutative43.9%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    6. Applied egg-rr43.9%

      \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
    7. Taylor expanded in i around 0 74.4%

      \[\leadsto 100 \cdot \frac{\color{blue}{{n}^{2}}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    8. Step-by-step derivation
      1. unpow274.4%

        \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    9. Simplified74.4%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]

    if 8200 < n < 3.6000000000000002e186

    1. Initial program 49.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in n around inf 58.9%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    3. Step-by-step derivation
      1. expm1-def84.6%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    4. Simplified84.6%

      \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]

    if 3.6000000000000002e186 < n

    1. Initial program 16.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/16.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*16.7%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative16.7%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/16.8%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg16.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in16.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def16.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval16.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval16.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified16.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 76.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative76.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out76.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified76.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 76.6%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in76.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+76.6%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*76.6%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval76.6%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow276.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*76.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval76.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified76.6%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]
    10. Taylor expanded in i around 0 78.8%

      \[\leadsto n \cdot \color{blue}{\left(100 + 50 \cdot i\right)} \]
    11. Step-by-step derivation
      1. *-commutative78.8%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    12. Simplified78.8%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot 50\right)} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification75.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.2 \cdot 10^{+153}:\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 8200:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \mathbf{elif}\;n \leq 3.6 \cdot 10^{+186}:\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]

Alternative 4: 83.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -135000000000 \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\ \;\;\;\;n \cdot \left(\frac{100}{i} \cdot \mathsf{expm1}\left(i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -135000000000.0) (not (<= n 5.5e-10)))
   (* n (* (/ 100.0 i) (expm1 i)))
   (* 100.0 (/ (* n n) (+ n (* (* i n) (- (/ 0.5 n) 0.5)))))))
double code(double i, double n) {
	double tmp;
	if ((n <= -135000000000.0) || !(n <= 5.5e-10)) {
		tmp = n * ((100.0 / i) * expm1(i));
	} else {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -135000000000.0) || !(n <= 5.5e-10)) {
		tmp = n * ((100.0 / i) * Math.expm1(i));
	} else {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -135000000000.0) or not (n <= 5.5e-10):
		tmp = n * ((100.0 / i) * math.expm1(i))
	else:
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -135000000000.0) || !(n <= 5.5e-10))
		tmp = Float64(n * Float64(Float64(100.0 / i) * expm1(i)));
	else
		tmp = Float64(100.0 * Float64(Float64(n * n) / Float64(n + Float64(Float64(i * n) * Float64(Float64(0.5 / n) - 0.5)))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -135000000000.0], N[Not[LessEqual[n, 5.5e-10]], $MachinePrecision]], N[(n * N[(N[(100.0 / i), $MachinePrecision] * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(N[(n * n), $MachinePrecision] / N[(n + N[(N[(i * n), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] - 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -135000000000 \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\
\;\;\;\;n \cdot \left(\frac{100}{i} \cdot \mathsf{expm1}\left(i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.35e11 or 5.4999999999999996e-10 < n

    1. Initial program 28.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/28.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*28.8%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative28.8%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/28.9%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg28.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in28.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def28.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval28.9%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval28.9%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified28.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Step-by-step derivation
      1. expm1-log1p-u25.0%

        \[\leadsto n \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)\right)} \]
      2. expm1-udef15.1%

        \[\leadsto n \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)} - 1\right)} \]
    5. Applied egg-rr52.1%

      \[\leadsto n \cdot \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\right)} - 1\right)} \]
    6. Step-by-step derivation
      1. expm1-def67.7%

        \[\leadsto n \cdot \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\right)\right)} \]
      2. expm1-log1p68.2%

        \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      3. *-rgt-identity68.2%

        \[\leadsto n \cdot \frac{\color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot 1}}{i} \]
      4. associate-*r/68.1%

        \[\leadsto n \cdot \color{blue}{\left(\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{1}{i}\right)} \]
      5. associate-*l*68.1%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{1}{i}\right)\right)} \]
      6. associate-*r/68.2%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{100 \cdot 1}{i}}\right) \]
      7. metadata-eval68.2%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{\color{blue}{100}}{i}\right) \]
    7. Simplified68.2%

      \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    8. Taylor expanded in n around inf 90.9%

      \[\leadsto n \cdot \left(\mathsf{expm1}\left(\color{blue}{i}\right) \cdot \frac{100}{i}\right) \]

    if -1.35e11 < n < 5.4999999999999996e-10

    1. Initial program 30.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 36.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*36.7%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative36.7%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/36.7%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval36.7%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified36.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Step-by-step derivation
      1. flip-+33.4%

        \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
      2. *-commutative33.4%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      3. *-commutative33.4%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      4. *-commutative33.4%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    6. Applied egg-rr33.4%

      \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
    7. Taylor expanded in i around 0 74.7%

      \[\leadsto 100 \cdot \frac{\color{blue}{{n}^{2}}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    8. Step-by-step derivation
      1. unpow274.7%

        \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    9. Simplified74.7%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -135000000000 \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\ \;\;\;\;n \cdot \left(\frac{100}{i} \cdot \mathsf{expm1}\left(i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \end{array} \]

Alternative 5: 83.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -135000000000 \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\ \;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -135000000000.0) (not (<= n 5.5e-10)))
   (* 100.0 (/ n (/ i (expm1 i))))
   (* 100.0 (/ (* n n) (+ n (* (* i n) (- (/ 0.5 n) 0.5)))))))
double code(double i, double n) {
	double tmp;
	if ((n <= -135000000000.0) || !(n <= 5.5e-10)) {
		tmp = 100.0 * (n / (i / expm1(i)));
	} else {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -135000000000.0) || !(n <= 5.5e-10)) {
		tmp = 100.0 * (n / (i / Math.expm1(i)));
	} else {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -135000000000.0) or not (n <= 5.5e-10):
		tmp = 100.0 * (n / (i / math.expm1(i)))
	else:
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -135000000000.0) || !(n <= 5.5e-10))
		tmp = Float64(100.0 * Float64(n / Float64(i / expm1(i))));
	else
		tmp = Float64(100.0 * Float64(Float64(n * n) / Float64(n + Float64(Float64(i * n) * Float64(Float64(0.5 / n) - 0.5)))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -135000000000.0], N[Not[LessEqual[n, 5.5e-10]], $MachinePrecision]], N[(100.0 * N[(n / N[(i / N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(N[(n * n), $MachinePrecision] / N[(n + N[(N[(i * n), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] - 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -135000000000 \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\
\;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\

\mathbf{else}:\\
\;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.35e11 or 5.4999999999999996e-10 < n

    1. Initial program 28.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in n around inf 41.7%

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    3. Step-by-step derivation
      1. *-commutative41.7%

        \[\leadsto \color{blue}{\frac{n \cdot \left(e^{i} - 1\right)}{i} \cdot 100} \]
      2. associate-/l*41.7%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{e^{i} - 1}}} \cdot 100 \]
      3. expm1-def90.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{expm1}\left(i\right)}}} \cdot 100 \]
    4. Simplified90.9%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}} \cdot 100} \]

    if -1.35e11 < n < 5.4999999999999996e-10

    1. Initial program 30.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 36.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*36.7%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative36.7%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/36.7%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval36.7%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified36.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Step-by-step derivation
      1. flip-+33.4%

        \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
      2. *-commutative33.4%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      3. *-commutative33.4%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      4. *-commutative33.4%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    6. Applied egg-rr33.4%

      \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
    7. Taylor expanded in i around 0 74.7%

      \[\leadsto 100 \cdot \frac{\color{blue}{{n}^{2}}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    8. Step-by-step derivation
      1. unpow274.7%

        \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    9. Simplified74.7%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -135000000000 \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\ \;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \end{array} \]

Alternative 6: 69.2% accurate, 4.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -5.2 \cdot 10^{+153}:\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 5.5 \cdot 10^{-10}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot 0.16666666666666666 + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -5.2e+153)
   (* n (+ (+ 100.0 (* 16.666666666666668 (* i i))) (* i 50.0)))
   (if (<= n 5.5e-10)
     (* 100.0 (/ (* n n) (+ n (* (* i n) (- (/ 0.5 n) 0.5)))))
     (*
      100.0
      (+
       n
       (* n (+ (* (* i i) 0.16666666666666666) (* i (- 0.5 (/ 0.5 n))))))))))
double code(double i, double n) {
	double tmp;
	if (n <= -5.2e+153) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else if (n <= 5.5e-10) {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	} else {
		tmp = 100.0 * (n + (n * (((i * i) * 0.16666666666666666) + (i * (0.5 - (0.5 / n))))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-5.2d+153)) then
        tmp = n * ((100.0d0 + (16.666666666666668d0 * (i * i))) + (i * 50.0d0))
    else if (n <= 5.5d-10) then
        tmp = 100.0d0 * ((n * n) / (n + ((i * n) * ((0.5d0 / n) - 0.5d0))))
    else
        tmp = 100.0d0 * (n + (n * (((i * i) * 0.16666666666666666d0) + (i * (0.5d0 - (0.5d0 / n))))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -5.2e+153) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else if (n <= 5.5e-10) {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	} else {
		tmp = 100.0 * (n + (n * (((i * i) * 0.16666666666666666) + (i * (0.5 - (0.5 / n))))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -5.2e+153:
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0))
	elif n <= 5.5e-10:
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))))
	else:
		tmp = 100.0 * (n + (n * (((i * i) * 0.16666666666666666) + (i * (0.5 - (0.5 / n))))))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -5.2e+153)
		tmp = Float64(n * Float64(Float64(100.0 + Float64(16.666666666666668 * Float64(i * i))) + Float64(i * 50.0)));
	elseif (n <= 5.5e-10)
		tmp = Float64(100.0 * Float64(Float64(n * n) / Float64(n + Float64(Float64(i * n) * Float64(Float64(0.5 / n) - 0.5)))));
	else
		tmp = Float64(100.0 * Float64(n + Float64(n * Float64(Float64(Float64(i * i) * 0.16666666666666666) + Float64(i * Float64(0.5 - Float64(0.5 / n)))))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -5.2e+153)
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	elseif (n <= 5.5e-10)
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	else
		tmp = 100.0 * (n + (n * (((i * i) * 0.16666666666666666) + (i * (0.5 - (0.5 / n))))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -5.2e+153], N[(n * N[(N[(100.0 + N[(16.666666666666668 * N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 5.5e-10], N[(100.0 * N[(N[(n * n), $MachinePrecision] / N[(n + N[(N[(i * n), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] - 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(n + N[(n * N[(N[(N[(i * i), $MachinePrecision] * 0.16666666666666666), $MachinePrecision] + N[(i * N[(0.5 - N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -5.2 \cdot 10^{+153}:\\
\;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\

\mathbf{elif}\;n \leq 5.5 \cdot 10^{-10}:\\
\;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\

\mathbf{else}:\\
\;\;\;\;100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot 0.16666666666666666 + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -5.1999999999999998e153

    1. Initial program 16.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/16.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*16.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative16.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/17.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg17.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in17.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def17.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval17.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval17.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified17.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 68.0%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative68.0%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out68.0%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified68.0%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 68.0%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in68.0%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+68.0%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*68.0%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval68.0%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow268.0%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*68.0%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval68.0%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified68.0%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]

    if -5.1999999999999998e153 < n < 5.4999999999999996e-10

    1. Initial program 30.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 44.5%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*44.8%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative44.8%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/44.8%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval44.8%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified44.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Step-by-step derivation
      1. flip-+42.3%

        \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
      2. *-commutative42.3%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      3. *-commutative42.3%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      4. *-commutative42.3%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    6. Applied egg-rr42.3%

      \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
    7. Taylor expanded in i around 0 73.6%

      \[\leadsto 100 \cdot \frac{\color{blue}{{n}^{2}}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    8. Step-by-step derivation
      1. unpow273.6%

        \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    9. Simplified73.6%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]

    if 5.4999999999999996e-10 < n

    1. Initial program 33.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 72.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(n \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    3. Step-by-step derivation
      1. distribute-lft-out73.1%

        \[\leadsto 100 \cdot \left(n + \color{blue}{n \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
      2. unpow273.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\color{blue}{\left(i \cdot i\right)} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) \]
      3. associate--l+73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \color{blue}{\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + \left(0.16666666666666666 - 0.5 \cdot \frac{1}{n}\right)\right)} + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) \]
      4. associate-*r/73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\color{blue}{\frac{0.3333333333333333 \cdot 1}{{n}^{2}}} + \left(0.16666666666666666 - 0.5 \cdot \frac{1}{n}\right)\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) \]
      5. metadata-eval73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{\color{blue}{0.3333333333333333}}{{n}^{2}} + \left(0.16666666666666666 - 0.5 \cdot \frac{1}{n}\right)\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) \]
      6. unpow273.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{\color{blue}{n \cdot n}} + \left(0.16666666666666666 - 0.5 \cdot \frac{1}{n}\right)\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) \]
      7. associate-*r/73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) \]
      8. metadata-eval73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 - \frac{\color{blue}{0.5}}{n}\right)\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) \]
      9. associate-*r/73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 - \frac{0.5}{n}\right)\right) + i \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) \]
      10. metadata-eval73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 - \frac{0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) \]
    4. Simplified73.1%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 - \frac{0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    5. Taylor expanded in n around inf 73.1%

      \[\leadsto 100 \cdot \left(n + n \cdot \left(\color{blue}{0.16666666666666666 \cdot {i}^{2}} + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right) \]
    6. Step-by-step derivation
      1. *-commutative73.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\color{blue}{{i}^{2} \cdot 0.16666666666666666} + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right) \]
      2. unpow273.1%

        \[\leadsto 100 \cdot \left(n + n \cdot \left(\color{blue}{\left(i \cdot i\right)} \cdot 0.16666666666666666 + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right) \]
    7. Simplified73.1%

      \[\leadsto 100 \cdot \left(n + n \cdot \left(\color{blue}{\left(i \cdot i\right) \cdot 0.16666666666666666} + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right) \]
  3. Recombined 3 regimes into one program.
  4. Final simplification72.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -5.2 \cdot 10^{+153}:\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 5.5 \cdot 10^{-10}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n + n \cdot \left(\left(i \cdot i\right) \cdot 0.16666666666666666 + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\ \end{array} \]

Alternative 7: 69.2% accurate, 5.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.2 \cdot 10^{+153} \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -3.2e+153) (not (<= n 5.5e-10)))
   (* n (+ (+ 100.0 (* 16.666666666666668 (* i i))) (* i 50.0)))
   (* 100.0 (/ (* n n) (+ n (* (* i n) (- (/ 0.5 n) 0.5)))))))
double code(double i, double n) {
	double tmp;
	if ((n <= -3.2e+153) || !(n <= 5.5e-10)) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-3.2d+153)) .or. (.not. (n <= 5.5d-10))) then
        tmp = n * ((100.0d0 + (16.666666666666668d0 * (i * i))) + (i * 50.0d0))
    else
        tmp = 100.0d0 * ((n * n) / (n + ((i * n) * ((0.5d0 / n) - 0.5d0))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -3.2e+153) || !(n <= 5.5e-10)) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else {
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -3.2e+153) or not (n <= 5.5e-10):
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0))
	else:
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -3.2e+153) || !(n <= 5.5e-10))
		tmp = Float64(n * Float64(Float64(100.0 + Float64(16.666666666666668 * Float64(i * i))) + Float64(i * 50.0)));
	else
		tmp = Float64(100.0 * Float64(Float64(n * n) / Float64(n + Float64(Float64(i * n) * Float64(Float64(0.5 / n) - 0.5)))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -3.2e+153) || ~((n <= 5.5e-10)))
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	else
		tmp = 100.0 * ((n * n) / (n + ((i * n) * ((0.5 / n) - 0.5))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -3.2e+153], N[Not[LessEqual[n, 5.5e-10]], $MachinePrecision]], N[(n * N[(N[(100.0 + N[(16.666666666666668 * N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(N[(n * n), $MachinePrecision] / N[(n + N[(N[(i * n), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] - 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.2 \cdot 10^{+153} \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\
\;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\

\mathbf{else}:\\
\;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -3.2000000000000001e153 or 5.4999999999999996e-10 < n

    1. Initial program 27.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/28.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*28.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative28.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/28.1%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg28.1%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in28.1%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def28.1%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval28.1%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval28.1%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified28.1%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 71.4%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative71.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out71.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified71.4%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 71.4%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in71.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+71.4%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*71.4%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval71.4%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow271.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*71.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval71.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified71.4%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]

    if -3.2000000000000001e153 < n < 5.4999999999999996e-10

    1. Initial program 30.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 44.5%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*44.8%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative44.8%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/44.8%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval44.8%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified44.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Step-by-step derivation
      1. flip-+42.3%

        \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
      2. *-commutative42.3%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      3. *-commutative42.3%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
      4. *-commutative42.3%

        \[\leadsto 100 \cdot \frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    6. Applied egg-rr42.3%

      \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot n - \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot \left(\left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)}} \]
    7. Taylor expanded in i around 0 73.6%

      \[\leadsto 100 \cdot \frac{\color{blue}{{n}^{2}}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    8. Step-by-step derivation
      1. unpow273.6%

        \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
    9. Simplified73.6%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot n}}{n - \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification72.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.2 \cdot 10^{+153} \lor \neg \left(n \leq 5.5 \cdot 10^{-10}\right):\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot n}{n + \left(i \cdot n\right) \cdot \left(\frac{0.5}{n} - 0.5\right)}\\ \end{array} \]

Alternative 8: 63.5% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -2.65 \cdot 10^{-130} \lor \neg \left(n \leq 2 \cdot 10^{-79}\right):\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{0}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -2.65e-130) (not (<= n 2e-79)))
   (* n (+ (+ 100.0 (* 16.666666666666668 (* i i))) (* i 50.0)))
   (* 100.0 (/ 0.0 (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -2.65e-130) || !(n <= 2e-79)) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else {
		tmp = 100.0 * (0.0 / (i / n));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-2.65d-130)) .or. (.not. (n <= 2d-79))) then
        tmp = n * ((100.0d0 + (16.666666666666668d0 * (i * i))) + (i * 50.0d0))
    else
        tmp = 100.0d0 * (0.0d0 / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -2.65e-130) || !(n <= 2e-79)) {
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	} else {
		tmp = 100.0 * (0.0 / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -2.65e-130) or not (n <= 2e-79):
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0))
	else:
		tmp = 100.0 * (0.0 / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -2.65e-130) || !(n <= 2e-79))
		tmp = Float64(n * Float64(Float64(100.0 + Float64(16.666666666666668 * Float64(i * i))) + Float64(i * 50.0)));
	else
		tmp = Float64(100.0 * Float64(0.0 / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -2.65e-130) || ~((n <= 2e-79)))
		tmp = n * ((100.0 + (16.666666666666668 * (i * i))) + (i * 50.0));
	else
		tmp = 100.0 * (0.0 / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -2.65e-130], N[Not[LessEqual[n, 2e-79]], $MachinePrecision]], N[(n * N[(N[(100.0 + N[(16.666666666666668 * N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -2.65 \cdot 10^{-130} \lor \neg \left(n \leq 2 \cdot 10^{-79}\right):\\
\;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\

\mathbf{else}:\\
\;\;\;\;100 \cdot \frac{0}{\frac{i}{n}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -2.6500000000000002e-130 or 2e-79 < n

    1. Initial program 25.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/25.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*25.7%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative25.7%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/25.8%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg25.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in25.7%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def25.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval25.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval25.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified25.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 70.4%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative70.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out70.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified70.4%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 70.4%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in70.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+70.4%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*70.4%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval70.4%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow270.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*70.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval70.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified70.4%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]

    if -2.6500000000000002e-130 < n < 2e-79

    1. Initial program 39.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 68.0%

      \[\leadsto 100 \cdot \frac{\color{blue}{1} - 1}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification69.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -2.65 \cdot 10^{-130} \lor \neg \left(n \leq 2 \cdot 10^{-79}\right):\\ \;\;\;\;n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{0}{\frac{i}{n}}\\ \end{array} \]

Alternative 9: 53.0% accurate, 8.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1 \cdot 10^{-15}:\\ \;\;\;\;n \cdot 100\\ \mathbf{elif}\;n \leq 3.9 \cdot 10^{+72}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 5.5 \cdot 10^{+189}:\\ \;\;\;\;16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1e-15)
   (* n 100.0)
   (if (<= n 3.9e+72)
     (* 100.0 (/ i (/ i n)))
     (if (<= n 5.5e+189) (* 16.666666666666668 (* n (* i i))) (* n 100.0)))))
double code(double i, double n) {
	double tmp;
	if (n <= -1e-15) {
		tmp = n * 100.0;
	} else if (n <= 3.9e+72) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 5.5e+189) {
		tmp = 16.666666666666668 * (n * (i * i));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1d-15)) then
        tmp = n * 100.0d0
    else if (n <= 3.9d+72) then
        tmp = 100.0d0 * (i / (i / n))
    else if (n <= 5.5d+189) then
        tmp = 16.666666666666668d0 * (n * (i * i))
    else
        tmp = n * 100.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1e-15) {
		tmp = n * 100.0;
	} else if (n <= 3.9e+72) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 5.5e+189) {
		tmp = 16.666666666666668 * (n * (i * i));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1e-15:
		tmp = n * 100.0
	elif n <= 3.9e+72:
		tmp = 100.0 * (i / (i / n))
	elif n <= 5.5e+189:
		tmp = 16.666666666666668 * (n * (i * i))
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1e-15)
		tmp = Float64(n * 100.0);
	elseif (n <= 3.9e+72)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (n <= 5.5e+189)
		tmp = Float64(16.666666666666668 * Float64(n * Float64(i * i)));
	else
		tmp = Float64(n * 100.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1e-15)
		tmp = n * 100.0;
	elseif (n <= 3.9e+72)
		tmp = 100.0 * (i / (i / n));
	elseif (n <= 5.5e+189)
		tmp = 16.666666666666668 * (n * (i * i));
	else
		tmp = n * 100.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1e-15], N[(n * 100.0), $MachinePrecision], If[LessEqual[n, 3.9e+72], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 5.5e+189], N[(16.666666666666668 * N[(n * N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1 \cdot 10^{-15}:\\
\;\;\;\;n \cdot 100\\

\mathbf{elif}\;n \leq 3.9 \cdot 10^{+72}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 5.5 \cdot 10^{+189}:\\
\;\;\;\;16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)\\

\mathbf{else}:\\
\;\;\;\;n \cdot 100\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.0000000000000001e-15 or 5.5e189 < n

    1. Initial program 19.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 61.7%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative61.7%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified61.7%

      \[\leadsto \color{blue}{n \cdot 100} \]

    if -1.0000000000000001e-15 < n < 3.89999999999999992e72

    1. Initial program 34.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 60.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]

    if 3.89999999999999992e72 < n < 5.5e189

    1. Initial program 46.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/47.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*47.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative47.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/47.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg47.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in47.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def47.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval47.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval47.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified47.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 68.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative68.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out68.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified68.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 68.6%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in68.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+68.6%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*68.6%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval68.6%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow268.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*68.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval68.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified68.6%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]
    10. Taylor expanded in i around inf 49.0%

      \[\leadsto \color{blue}{16.666666666666668 \cdot \left(n \cdot {i}^{2}\right)} \]
    11. Step-by-step derivation
      1. unpow249.0%

        \[\leadsto 16.666666666666668 \cdot \left(n \cdot \color{blue}{\left(i \cdot i\right)}\right) \]
    12. Simplified49.0%

      \[\leadsto \color{blue}{16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification60.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1 \cdot 10^{-15}:\\ \;\;\;\;n \cdot 100\\ \mathbf{elif}\;n \leq 3.9 \cdot 10^{+72}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 5.5 \cdot 10^{+189}:\\ \;\;\;\;16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]

Alternative 10: 53.0% accurate, 8.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1 \cdot 10^{-15}:\\ \;\;\;\;n \cdot 100\\ \mathbf{elif}\;n \leq 1.25 \cdot 10^{+73}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 2.5 \cdot 10^{+189}:\\ \;\;\;\;i \cdot \left(n \cdot \left(i \cdot 16.666666666666668\right)\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1e-15)
   (* n 100.0)
   (if (<= n 1.25e+73)
     (* 100.0 (/ i (/ i n)))
     (if (<= n 2.5e+189) (* i (* n (* i 16.666666666666668))) (* n 100.0)))))
double code(double i, double n) {
	double tmp;
	if (n <= -1e-15) {
		tmp = n * 100.0;
	} else if (n <= 1.25e+73) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 2.5e+189) {
		tmp = i * (n * (i * 16.666666666666668));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1d-15)) then
        tmp = n * 100.0d0
    else if (n <= 1.25d+73) then
        tmp = 100.0d0 * (i / (i / n))
    else if (n <= 2.5d+189) then
        tmp = i * (n * (i * 16.666666666666668d0))
    else
        tmp = n * 100.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1e-15) {
		tmp = n * 100.0;
	} else if (n <= 1.25e+73) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 2.5e+189) {
		tmp = i * (n * (i * 16.666666666666668));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1e-15:
		tmp = n * 100.0
	elif n <= 1.25e+73:
		tmp = 100.0 * (i / (i / n))
	elif n <= 2.5e+189:
		tmp = i * (n * (i * 16.666666666666668))
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1e-15)
		tmp = Float64(n * 100.0);
	elseif (n <= 1.25e+73)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (n <= 2.5e+189)
		tmp = Float64(i * Float64(n * Float64(i * 16.666666666666668)));
	else
		tmp = Float64(n * 100.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1e-15)
		tmp = n * 100.0;
	elseif (n <= 1.25e+73)
		tmp = 100.0 * (i / (i / n));
	elseif (n <= 2.5e+189)
		tmp = i * (n * (i * 16.666666666666668));
	else
		tmp = n * 100.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1e-15], N[(n * 100.0), $MachinePrecision], If[LessEqual[n, 1.25e+73], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 2.5e+189], N[(i * N[(n * N[(i * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1 \cdot 10^{-15}:\\
\;\;\;\;n \cdot 100\\

\mathbf{elif}\;n \leq 1.25 \cdot 10^{+73}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 2.5 \cdot 10^{+189}:\\
\;\;\;\;i \cdot \left(n \cdot \left(i \cdot 16.666666666666668\right)\right)\\

\mathbf{else}:\\
\;\;\;\;n \cdot 100\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.0000000000000001e-15 or 2.5000000000000002e189 < n

    1. Initial program 19.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 61.7%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative61.7%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified61.7%

      \[\leadsto \color{blue}{n \cdot 100} \]

    if -1.0000000000000001e-15 < n < 1.24999999999999994e73

    1. Initial program 34.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 60.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]

    if 1.24999999999999994e73 < n < 2.5000000000000002e189

    1. Initial program 46.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/47.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*47.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative47.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/47.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg47.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in47.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def47.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval47.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval47.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified47.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 68.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative68.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out68.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified68.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 68.6%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in68.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+68.6%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*68.6%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval68.6%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow268.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*68.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval68.6%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified68.6%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]
    10. Taylor expanded in i around inf 49.0%

      \[\leadsto \color{blue}{16.666666666666668 \cdot \left(n \cdot {i}^{2}\right)} \]
    11. Step-by-step derivation
      1. *-commutative49.0%

        \[\leadsto \color{blue}{\left(n \cdot {i}^{2}\right) \cdot 16.666666666666668} \]
      2. associate-*l*49.0%

        \[\leadsto \color{blue}{n \cdot \left({i}^{2} \cdot 16.666666666666668\right)} \]
      3. unpow249.0%

        \[\leadsto n \cdot \left(\color{blue}{\left(i \cdot i\right)} \cdot 16.666666666666668\right) \]
      4. associate-*l*49.0%

        \[\leadsto n \cdot \color{blue}{\left(i \cdot \left(i \cdot 16.666666666666668\right)\right)} \]
    12. Simplified49.0%

      \[\leadsto \color{blue}{n \cdot \left(i \cdot \left(i \cdot 16.666666666666668\right)\right)} \]
    13. Taylor expanded in n around 0 49.0%

      \[\leadsto \color{blue}{16.666666666666668 \cdot \left(n \cdot {i}^{2}\right)} \]
    14. Step-by-step derivation
      1. *-commutative49.0%

        \[\leadsto \color{blue}{\left(n \cdot {i}^{2}\right) \cdot 16.666666666666668} \]
      2. unpow249.0%

        \[\leadsto \left(n \cdot \color{blue}{\left(i \cdot i\right)}\right) \cdot 16.666666666666668 \]
      3. associate-*r*49.0%

        \[\leadsto \color{blue}{\left(\left(n \cdot i\right) \cdot i\right)} \cdot 16.666666666666668 \]
      4. associate-*r*49.0%

        \[\leadsto \color{blue}{\left(n \cdot i\right) \cdot \left(i \cdot 16.666666666666668\right)} \]
      5. *-commutative49.0%

        \[\leadsto \color{blue}{\left(i \cdot n\right)} \cdot \left(i \cdot 16.666666666666668\right) \]
      6. associate-*l*49.0%

        \[\leadsto \color{blue}{i \cdot \left(n \cdot \left(i \cdot 16.666666666666668\right)\right)} \]
    15. Simplified49.0%

      \[\leadsto \color{blue}{i \cdot \left(n \cdot \left(i \cdot 16.666666666666668\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification60.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1 \cdot 10^{-15}:\\ \;\;\;\;n \cdot 100\\ \mathbf{elif}\;n \leq 1.25 \cdot 10^{+73}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 2.5 \cdot 10^{+189}:\\ \;\;\;\;i \cdot \left(n \cdot \left(i \cdot 16.666666666666668\right)\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]

Alternative 11: 62.6% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -4.3 \cdot 10^{+15} \lor \neg \left(n \leq 2.6 \cdot 10^{-56}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -4.3e+15) (not (<= n 2.6e-56)))
   (* n (+ 100.0 (* i 50.0)))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -4.3e+15) || !(n <= 2.6e-56)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-4.3d+15)) .or. (.not. (n <= 2.6d-56))) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else
        tmp = 100.0d0 * (i / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -4.3e+15) || !(n <= 2.6e-56)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -4.3e+15) or not (n <= 2.6e-56):
		tmp = n * (100.0 + (i * 50.0))
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -4.3e+15) || !(n <= 2.6e-56))
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	else
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -4.3e+15) || ~((n <= 2.6e-56)))
		tmp = n * (100.0 + (i * 50.0));
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -4.3e+15], N[Not[LessEqual[n, 2.6e-56]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -4.3 \cdot 10^{+15} \lor \neg \left(n \leq 2.6 \cdot 10^{-56}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

\mathbf{else}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -4.3e15 or 2.59999999999999997e-56 < n

    1. Initial program 27.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/28.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*28.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative28.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/28.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg28.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in28.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def28.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval28.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval28.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified28.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 70.7%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative70.7%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out70.7%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified70.7%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 70.6%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in70.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+70.7%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*70.7%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval70.7%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow270.7%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*70.7%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval70.7%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified70.7%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]
    10. Taylor expanded in i around 0 65.4%

      \[\leadsto n \cdot \color{blue}{\left(100 + 50 \cdot i\right)} \]
    11. Step-by-step derivation
      1. *-commutative65.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    12. Simplified65.4%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot 50\right)} \]

    if -4.3e15 < n < 2.59999999999999997e-56

    1. Initial program 31.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 63.9%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification64.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -4.3 \cdot 10^{+15} \lor \neg \left(n \leq 2.6 \cdot 10^{-56}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]

Alternative 12: 62.6% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.05 \cdot 10^{+15}:\\ \;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\ \mathbf{elif}\;n \leq 9.5 \cdot 10^{-57}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.05e+15)
   (* 100.0 (* n (+ 1.0 (* i 0.5))))
   (if (<= n 9.5e-57) (* 100.0 (/ i (/ i n))) (* n (+ 100.0 (* i 50.0))))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.05e+15) {
		tmp = 100.0 * (n * (1.0 + (i * 0.5)));
	} else if (n <= 9.5e-57) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1.05d+15)) then
        tmp = 100.0d0 * (n * (1.0d0 + (i * 0.5d0)))
    else if (n <= 9.5d-57) then
        tmp = 100.0d0 * (i / (i / n))
    else
        tmp = n * (100.0d0 + (i * 50.0d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.05e+15) {
		tmp = 100.0 * (n * (1.0 + (i * 0.5)));
	} else if (n <= 9.5e-57) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.05e+15:
		tmp = 100.0 * (n * (1.0 + (i * 0.5)))
	elif n <= 9.5e-57:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.05e+15)
		tmp = Float64(100.0 * Float64(n * Float64(1.0 + Float64(i * 0.5))));
	elseif (n <= 9.5e-57)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1.05e+15)
		tmp = 100.0 * (n * (1.0 + (i * 0.5)));
	elseif (n <= 9.5e-57)
		tmp = 100.0 * (i / (i / n));
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1.05e+15], N[(100.0 * N[(n * N[(1.0 + N[(i * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 9.5e-57], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.05 \cdot 10^{+15}:\\
\;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\

\mathbf{elif}\;n \leq 9.5 \cdot 10^{-57}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.05e15

    1. Initial program 22.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 66.0%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*66.0%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative66.0%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/66.0%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval66.0%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified66.0%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Taylor expanded in n around inf 66.0%

      \[\leadsto 100 \cdot \color{blue}{\left(\left(1 + 0.5 \cdot i\right) \cdot n\right)} \]

    if -1.05e15 < n < 9.5000000000000005e-57

    1. Initial program 31.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 63.9%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]

    if 9.5000000000000005e-57 < n

    1. Initial program 31.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/32.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*32.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative32.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/32.1%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg32.1%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in32.1%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def32.1%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval32.1%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval32.1%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified32.1%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 72.8%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative72.8%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out72.8%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified72.8%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 72.8%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in72.8%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+72.8%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*72.8%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval72.8%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow272.8%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*72.8%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval72.8%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified72.8%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]
    10. Taylor expanded in i around 0 65.0%

      \[\leadsto n \cdot \color{blue}{\left(100 + 50 \cdot i\right)} \]
    11. Step-by-step derivation
      1. *-commutative65.0%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    12. Simplified65.0%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot 50\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification64.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.05 \cdot 10^{+15}:\\ \;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\ \mathbf{elif}\;n \leq 9.5 \cdot 10^{-57}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]

Alternative 13: 61.0% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -2.65 \cdot 10^{-130}:\\ \;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\ \mathbf{elif}\;n \leq 2.05 \cdot 10^{-79}:\\ \;\;\;\;100 \cdot \frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -2.65e-130)
   (* 100.0 (* n (+ 1.0 (* i 0.5))))
   (if (<= n 2.05e-79) (* 100.0 (/ 0.0 (/ i n))) (* n (+ 100.0 (* i 50.0))))))
double code(double i, double n) {
	double tmp;
	if (n <= -2.65e-130) {
		tmp = 100.0 * (n * (1.0 + (i * 0.5)));
	} else if (n <= 2.05e-79) {
		tmp = 100.0 * (0.0 / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-2.65d-130)) then
        tmp = 100.0d0 * (n * (1.0d0 + (i * 0.5d0)))
    else if (n <= 2.05d-79) then
        tmp = 100.0d0 * (0.0d0 / (i / n))
    else
        tmp = n * (100.0d0 + (i * 50.0d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -2.65e-130) {
		tmp = 100.0 * (n * (1.0 + (i * 0.5)));
	} else if (n <= 2.05e-79) {
		tmp = 100.0 * (0.0 / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -2.65e-130:
		tmp = 100.0 * (n * (1.0 + (i * 0.5)))
	elif n <= 2.05e-79:
		tmp = 100.0 * (0.0 / (i / n))
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -2.65e-130)
		tmp = Float64(100.0 * Float64(n * Float64(1.0 + Float64(i * 0.5))));
	elseif (n <= 2.05e-79)
		tmp = Float64(100.0 * Float64(0.0 / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -2.65e-130)
		tmp = 100.0 * (n * (1.0 + (i * 0.5)));
	elseif (n <= 2.05e-79)
		tmp = 100.0 * (0.0 / (i / n));
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -2.65e-130], N[(100.0 * N[(n * N[(1.0 + N[(i * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 2.05e-79], N[(100.0 * N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -2.65 \cdot 10^{-130}:\\
\;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\

\mathbf{elif}\;n \leq 2.05 \cdot 10^{-79}:\\
\;\;\;\;100 \cdot \frac{0}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -2.6500000000000002e-130

    1. Initial program 20.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 67.0%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*67.0%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative67.0%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/67.0%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval67.0%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified67.0%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Taylor expanded in n around inf 67.0%

      \[\leadsto 100 \cdot \color{blue}{\left(\left(1 + 0.5 \cdot i\right) \cdot n\right)} \]

    if -2.6500000000000002e-130 < n < 2.04999999999999997e-79

    1. Initial program 39.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 68.0%

      \[\leadsto 100 \cdot \frac{\color{blue}{1} - 1}{\frac{i}{n}} \]

    if 2.04999999999999997e-79 < n

    1. Initial program 31.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/31.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*31.4%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative31.4%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/31.4%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg31.4%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in31.5%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def31.4%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval31.4%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval31.4%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified31.4%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 72.3%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative72.3%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out72.3%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified72.3%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 72.3%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in72.3%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+72.3%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*72.3%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval72.3%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow272.3%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*72.3%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval72.3%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified72.3%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]
    10. Taylor expanded in i around 0 64.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + 50 \cdot i\right)} \]
    11. Step-by-step derivation
      1. *-commutative64.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    12. Simplified64.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot 50\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification66.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -2.65 \cdot 10^{-130}:\\ \;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\ \mathbf{elif}\;n \leq 2.05 \cdot 10^{-79}:\\ \;\;\;\;100 \cdot \frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]

Alternative 14: 57.4% accurate, 12.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 2.8 \cdot 10^{+19}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 2.8e+19) (* n 100.0) (* 16.666666666666668 (* n (* i i)))))
double code(double i, double n) {
	double tmp;
	if (i <= 2.8e+19) {
		tmp = n * 100.0;
	} else {
		tmp = 16.666666666666668 * (n * (i * i));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 2.8d+19) then
        tmp = n * 100.0d0
    else
        tmp = 16.666666666666668d0 * (n * (i * i))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 2.8e+19) {
		tmp = n * 100.0;
	} else {
		tmp = 16.666666666666668 * (n * (i * i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 2.8e+19:
		tmp = n * 100.0
	else:
		tmp = 16.666666666666668 * (n * (i * i))
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 2.8e+19)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(16.666666666666668 * Float64(n * Float64(i * i)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 2.8e+19)
		tmp = n * 100.0;
	else
		tmp = 16.666666666666668 * (n * (i * i));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 2.8e+19], N[(n * 100.0), $MachinePrecision], N[(16.666666666666668 * N[(n * N[(i * i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 2.8 \cdot 10^{+19}:\\
\;\;\;\;n \cdot 100\\

\mathbf{else}:\\
\;\;\;\;16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 2.8e19

    1. Initial program 22.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 63.1%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative63.1%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified63.1%

      \[\leadsto \color{blue}{n \cdot 100} \]

    if 2.8e19 < i

    1. Initial program 46.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/47.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*47.3%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative47.3%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/47.3%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg47.3%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in47.3%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def47.3%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval47.3%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval47.3%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified47.3%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 38.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative38.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out38.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified38.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    7. Taylor expanded in n around inf 39.4%

      \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2} + 0.5 \cdot i\right)\right)} \]
    8. Step-by-step derivation
      1. distribute-lft-in39.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right)}\right) \]
      2. associate-+r+39.4%

        \[\leadsto n \cdot \color{blue}{\left(\left(100 + 100 \cdot \left(0.16666666666666666 \cdot {i}^{2}\right)\right) + 100 \cdot \left(0.5 \cdot i\right)\right)} \]
      3. associate-*r*39.4%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{\left(100 \cdot 0.16666666666666666\right) \cdot {i}^{2}}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      4. metadata-eval39.4%

        \[\leadsto n \cdot \left(\left(100 + \color{blue}{16.666666666666668} \cdot {i}^{2}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      5. unpow239.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \color{blue}{\left(i \cdot i\right)}\right) + 100 \cdot \left(0.5 \cdot i\right)\right) \]
      6. associate-*r*39.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{\left(100 \cdot 0.5\right) \cdot i}\right) \]
      7. metadata-eval39.4%

        \[\leadsto n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + \color{blue}{50} \cdot i\right) \]
    9. Simplified39.4%

      \[\leadsto \color{blue}{n \cdot \left(\left(100 + 16.666666666666668 \cdot \left(i \cdot i\right)\right) + 50 \cdot i\right)} \]
    10. Taylor expanded in i around inf 39.4%

      \[\leadsto \color{blue}{16.666666666666668 \cdot \left(n \cdot {i}^{2}\right)} \]
    11. Step-by-step derivation
      1. unpow239.4%

        \[\leadsto 16.666666666666668 \cdot \left(n \cdot \color{blue}{\left(i \cdot i\right)}\right) \]
    12. Simplified39.4%

      \[\leadsto \color{blue}{16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 2.8 \cdot 10^{+19}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;16.666666666666668 \cdot \left(n \cdot \left(i \cdot i\right)\right)\\ \end{array} \]

Alternative 15: 55.1% accurate, 16.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 5.1 \cdot 10^{+19}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 5.1e+19) (* n 100.0) (* (* i n) 50.0)))
double code(double i, double n) {
	double tmp;
	if (i <= 5.1e+19) {
		tmp = n * 100.0;
	} else {
		tmp = (i * n) * 50.0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 5.1d+19) then
        tmp = n * 100.0d0
    else
        tmp = (i * n) * 50.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 5.1e+19) {
		tmp = n * 100.0;
	} else {
		tmp = (i * n) * 50.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 5.1e+19:
		tmp = n * 100.0
	else:
		tmp = (i * n) * 50.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 5.1e+19)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(Float64(i * n) * 50.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 5.1e+19)
		tmp = n * 100.0;
	else
		tmp = (i * n) * 50.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 5.1e+19], N[(n * 100.0), $MachinePrecision], N[(N[(i * n), $MachinePrecision] * 50.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 5.1 \cdot 10^{+19}:\\
\;\;\;\;n \cdot 100\\

\mathbf{else}:\\
\;\;\;\;\left(i \cdot n\right) \cdot 50\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 5.1e19

    1. Initial program 22.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 63.1%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative63.1%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified63.1%

      \[\leadsto \color{blue}{n \cdot 100} \]

    if 5.1e19 < i

    1. Initial program 46.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 24.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    3. Step-by-step derivation
      1. associate-*r*24.4%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative24.4%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/24.4%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval24.4%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    4. Simplified24.4%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    5. Taylor expanded in n around inf 25.1%

      \[\leadsto 100 \cdot \color{blue}{\left(\left(1 + 0.5 \cdot i\right) \cdot n\right)} \]
    6. Taylor expanded in i around inf 25.1%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification52.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 5.1 \cdot 10^{+19}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \]

Alternative 16: 2.8% accurate, 38.0× speedup?

\[\begin{array}{l} \\ i \cdot -50 \end{array} \]
(FPCore (i n) :precision binary64 (* i -50.0))
double code(double i, double n) {
	return i * -50.0;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = i * (-50.0d0)
end function
public static double code(double i, double n) {
	return i * -50.0;
}
def code(i, n):
	return i * -50.0
function code(i, n)
	return Float64(i * -50.0)
end
function tmp = code(i, n)
	tmp = i * -50.0;
end
code[i_, n_] := N[(i * -50.0), $MachinePrecision]
\begin{array}{l}

\\
i \cdot -50
\end{array}
Derivation
  1. Initial program 29.1%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Taylor expanded in i around 0 53.7%

    \[\leadsto 100 \cdot \color{blue}{\left(n + n \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
  3. Step-by-step derivation
    1. associate-*r*53.9%

      \[\leadsto 100 \cdot \left(n + \color{blue}{\left(n \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
    2. *-commutative53.9%

      \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
    3. associate-*r/53.9%

      \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
    4. metadata-eval53.9%

      \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
  4. Simplified53.9%

    \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
  5. Taylor expanded in n around 0 2.7%

    \[\leadsto \color{blue}{-50 \cdot i} \]
  6. Step-by-step derivation
    1. *-commutative2.7%

      \[\leadsto \color{blue}{i \cdot -50} \]
  7. Simplified2.7%

    \[\leadsto \color{blue}{i \cdot -50} \]
  8. Final simplification2.7%

    \[\leadsto i \cdot -50 \]

Alternative 17: 49.9% accurate, 38.0× speedup?

\[\begin{array}{l} \\ n \cdot 100 \end{array} \]
(FPCore (i n) :precision binary64 (* n 100.0))
double code(double i, double n) {
	return n * 100.0;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = n * 100.0d0
end function
public static double code(double i, double n) {
	return n * 100.0;
}
def code(i, n):
	return n * 100.0
function code(i, n)
	return Float64(n * 100.0)
end
function tmp = code(i, n)
	tmp = n * 100.0;
end
code[i_, n_] := N[(n * 100.0), $MachinePrecision]
\begin{array}{l}

\\
n \cdot 100
\end{array}
Derivation
  1. Initial program 29.1%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Taylor expanded in i around 0 47.5%

    \[\leadsto \color{blue}{100 \cdot n} \]
  3. Step-by-step derivation
    1. *-commutative47.5%

      \[\leadsto \color{blue}{n \cdot 100} \]
  4. Simplified47.5%

    \[\leadsto \color{blue}{n \cdot 100} \]
  5. Final simplification47.5%

    \[\leadsto n \cdot 100 \]

Developer target: 34.1% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 1 + \frac{i}{n}\\ 100 \cdot \frac{e^{n \cdot \begin{array}{l} \mathbf{if}\;t_0 = 1:\\ \;\;\;\;\frac{i}{n}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{i}{n} \cdot \log t_0}{\left(\frac{i}{n} + 1\right) - 1}\\ \end{array}} - 1}{\frac{i}{n}} \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (+ 1.0 (/ i n))))
   (*
    100.0
    (/
     (-
      (exp
       (*
        n
        (if (== t_0 1.0)
          (/ i n)
          (/ (* (/ i n) (log t_0)) (- (+ (/ i n) 1.0) 1.0)))))
      1.0)
     (/ i n)))))
double code(double i, double n) {
	double t_0 = 1.0 + (i / n);
	double tmp;
	if (t_0 == 1.0) {
		tmp = i / n;
	} else {
		tmp = ((i / n) * log(t_0)) / (((i / n) + 1.0) - 1.0);
	}
	return 100.0 * ((exp((n * tmp)) - 1.0) / (i / n));
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: t_0
    real(8) :: tmp
    t_0 = 1.0d0 + (i / n)
    if (t_0 == 1.0d0) then
        tmp = i / n
    else
        tmp = ((i / n) * log(t_0)) / (((i / n) + 1.0d0) - 1.0d0)
    end if
    code = 100.0d0 * ((exp((n * tmp)) - 1.0d0) / (i / n))
end function
public static double code(double i, double n) {
	double t_0 = 1.0 + (i / n);
	double tmp;
	if (t_0 == 1.0) {
		tmp = i / n;
	} else {
		tmp = ((i / n) * Math.log(t_0)) / (((i / n) + 1.0) - 1.0);
	}
	return 100.0 * ((Math.exp((n * tmp)) - 1.0) / (i / n));
}
def code(i, n):
	t_0 = 1.0 + (i / n)
	tmp = 0
	if t_0 == 1.0:
		tmp = i / n
	else:
		tmp = ((i / n) * math.log(t_0)) / (((i / n) + 1.0) - 1.0)
	return 100.0 * ((math.exp((n * tmp)) - 1.0) / (i / n))
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n))
	tmp = 0.0
	if (t_0 == 1.0)
		tmp = Float64(i / n);
	else
		tmp = Float64(Float64(Float64(i / n) * log(t_0)) / Float64(Float64(Float64(i / n) + 1.0) - 1.0));
	end
	return Float64(100.0 * Float64(Float64(exp(Float64(n * tmp)) - 1.0) / Float64(i / n)))
end
function tmp_2 = code(i, n)
	t_0 = 1.0 + (i / n);
	tmp = 0.0;
	if (t_0 == 1.0)
		tmp = i / n;
	else
		tmp = ((i / n) * log(t_0)) / (((i / n) + 1.0) - 1.0);
	end
	tmp_2 = 100.0 * ((exp((n * tmp)) - 1.0) / (i / n));
end
code[i_, n_] := Block[{t$95$0 = N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision]}, N[(100.0 * N[(N[(N[Exp[N[(n * If[Equal[t$95$0, 1.0], N[(i / n), $MachinePrecision], N[(N[(N[(i / n), $MachinePrecision] * N[Log[t$95$0], $MachinePrecision]), $MachinePrecision] / N[(N[(N[(i / n), $MachinePrecision] + 1.0), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]], $MachinePrecision] - 1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 1 + \frac{i}{n}\\
100 \cdot \frac{e^{n \cdot \begin{array}{l}
\mathbf{if}\;t_0 = 1:\\
\;\;\;\;\frac{i}{n}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{i}{n} \cdot \log t_0}{\left(\frac{i}{n} + 1\right) - 1}\\


\end{array}} - 1}{\frac{i}{n}}
\end{array}
\end{array}

Reproduce

?
herbie shell --seed 2023171 
(FPCore (i n)
  :name "Compound Interest"
  :precision binary64

  :herbie-target
  (* 100.0 (/ (- (exp (* n (if (== (+ 1.0 (/ i n)) 1.0) (/ i n) (/ (* (/ i n) (log (+ 1.0 (/ i n)))) (- (+ (/ i n) 1.0) 1.0))))) 1.0) (/ i n)))

  (* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))))