Compound Interest

Percentage Accurate: 28.7% → 94.9%
Time: 26.1s
Alternatives: 19
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 19 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: 28.7% 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: 94.9% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq -5 \cdot 10^{-84}:\\ \;\;\;\;\frac{100}{i} \cdot \left(\frac{t\_0}{\frac{1}{n}} - n\right)\\ \mathbf{elif}\;t\_1 \leq 2 \cdot 10^{-281}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right)\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;\frac{-100 + t\_0 \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 -5e-84)
     (* (/ 100.0 i) (- (/ t_0 (/ 1.0 n)) n))
     (if (<= t_1 2e-281)
       (* n (* 100.0 (/ (expm1 (* n (log1p (/ i n)))) i)))
       (if (<= t_1 INFINITY)
         (/ (+ -100.0 (* t_0 100.0)) (/ i n))
         (* n 100.0))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_1 <= -5e-84) {
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n);
	} else if (t_1 <= 2e-281) {
		tmp = n * (100.0 * (expm1((n * log1p((i / n)))) / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = (-100.0 + (t_0 * 100.0)) / (i / n);
	} else {
		tmp = n * 100.0;
	}
	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) / (i / n);
	double tmp;
	if (t_1 <= -5e-84) {
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n);
	} else if (t_1 <= 2e-281) {
		tmp = n * (100.0 * (Math.expm1((n * Math.log1p((i / n)))) / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = (-100.0 + (t_0 * 100.0)) / (i / n);
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = (t_0 + -1.0) / (i / n)
	tmp = 0
	if t_1 <= -5e-84:
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n)
	elif t_1 <= 2e-281:
		tmp = n * (100.0 * (math.expm1((n * math.log1p((i / n)))) / i))
	elif t_1 <= math.inf:
		tmp = (-100.0 + (t_0 * 100.0)) / (i / n)
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_1 <= -5e-84)
		tmp = Float64(Float64(100.0 / i) * Float64(Float64(t_0 / Float64(1.0 / n)) - n));
	elseif (t_1 <= 2e-281)
		tmp = Float64(n * Float64(100.0 * Float64(expm1(Float64(n * log1p(Float64(i / n)))) / i)));
	elseif (t_1 <= Inf)
		tmp = Float64(Float64(-100.0 + Float64(t_0 * 100.0)) / Float64(i / n));
	else
		tmp = Float64(n * 100.0);
	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[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -5e-84], N[(N[(100.0 / i), $MachinePrecision] * N[(N[(t$95$0 / N[(1.0 / n), $MachinePrecision]), $MachinePrecision] - n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 2e-281], N[(n * N[(100.0 * N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(N[(-100.0 + N[(t$95$0 * 100.0), $MachinePrecision]), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{-84}:\\
\;\;\;\;\frac{100}{i} \cdot \left(\frac{t\_0}{\frac{1}{n}} - n\right)\\

\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{-281}:\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right)\\

\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;\frac{-100 + t\_0 \cdot 100}{\frac{i}{n}}\\

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


\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)) < -5.0000000000000002e-84

    1. Initial program 99.5%

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

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg99.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in99.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in99.7%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg99.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. div-inv99.8%

        \[\leadsto \frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      6. times-frac99.7%

        \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{1}{n}}} \]
      7. add-exp-log99.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{\frac{1}{n}} \]
      8. expm1-define99.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{\frac{1}{n}} \]
      9. log-pow59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
      10. log1p-define59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
    6. Applied egg-rr59.7%

      \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{1}{n}}} \]
    7. Step-by-step derivation
      1. expm1-undefine59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)} - 1}}{\frac{1}{n}} \]
      2. *-commutative59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{e^{\color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right) \cdot n}} - 1}{\frac{1}{n}} \]
      3. log1p-undefine59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{e^{\color{blue}{\log \left(1 + \frac{i}{n}\right)} \cdot n} - 1}{\frac{1}{n}} \]
      4. pow-to-exp99.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n}} - 1}{\frac{1}{n}} \]
      5. div-sub99.7%

        \[\leadsto \frac{100}{i} \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{1}{n}} - \frac{1}{\frac{1}{n}}\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{100}{i} \cdot \left(\frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n}}{\frac{1}{n}} - \frac{1}{\frac{1}{n}}\right) \]
      7. remove-double-div99.8%

        \[\leadsto \frac{100}{i} \cdot \left(\frac{{\left(\frac{i}{n} + 1\right)}^{n}}{\frac{1}{n}} - \color{blue}{n}\right) \]
    8. Applied egg-rr99.8%

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

    if -5.0000000000000002e-84 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 2e-281

    1. Initial program 19.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/19.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg19.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in19.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified19.8%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in19.7%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg19.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/19.8%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/19.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*19.4%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log19.4%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define19.4%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow33.5%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define98.6%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr98.6%

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

    if 2e-281 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 99.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/99.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg99.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in99.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval99.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval99.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified99.8%

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

    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. Add Preprocessing
    3. Taylor expanded in i around 0 70.6%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative70.6%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified70.6%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification95.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -5 \cdot 10^{-84}:\\ \;\;\;\;\frac{100}{i} \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{1}{n}} - n\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-281}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{-100 + {\left(1 + \frac{i}{n}\right)}^{n} \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 80.9% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq -2 \cdot 10^{-127}:\\ \;\;\;\;\frac{n}{i} \cdot \left(-100 + t\_0 \cdot 100\right)\\ \mathbf{elif}\;t\_1 \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;\frac{100}{i} \cdot \left(\frac{t\_0}{\frac{1}{n}} - n\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 -2e-127)
     (* (/ n i) (+ -100.0 (* t_0 100.0)))
     (if (<= t_1 0.0)
       (* n (* 100.0 (/ (expm1 i) i)))
       (if (<= t_1 INFINITY)
         (* (/ 100.0 i) (- (/ t_0 (/ 1.0 n)) n))
         (* n 100.0))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_1 <= -2e-127) {
		tmp = (n / i) * (-100.0 + (t_0 * 100.0));
	} else if (t_1 <= 0.0) {
		tmp = n * (100.0 * (expm1(i) / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n);
	} else {
		tmp = n * 100.0;
	}
	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) / (i / n);
	double tmp;
	if (t_1 <= -2e-127) {
		tmp = (n / i) * (-100.0 + (t_0 * 100.0));
	} else if (t_1 <= 0.0) {
		tmp = n * (100.0 * (Math.expm1(i) / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n);
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = (t_0 + -1.0) / (i / n)
	tmp = 0
	if t_1 <= -2e-127:
		tmp = (n / i) * (-100.0 + (t_0 * 100.0))
	elif t_1 <= 0.0:
		tmp = n * (100.0 * (math.expm1(i) / i))
	elif t_1 <= math.inf:
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n)
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_1 <= -2e-127)
		tmp = Float64(Float64(n / i) * Float64(-100.0 + Float64(t_0 * 100.0)));
	elseif (t_1 <= 0.0)
		tmp = Float64(n * Float64(100.0 * Float64(expm1(i) / i)));
	elseif (t_1 <= Inf)
		tmp = Float64(Float64(100.0 / i) * Float64(Float64(t_0 / Float64(1.0 / n)) - n));
	else
		tmp = Float64(n * 100.0);
	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[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e-127], N[(N[(n / i), $MachinePrecision] * N[(-100.0 + N[(t$95$0 * 100.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 0.0], N[(n * N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(N[(100.0 / i), $MachinePrecision] * N[(N[(t$95$0 / N[(1.0 / n), $MachinePrecision]), $MachinePrecision] - n), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{-127}:\\
\;\;\;\;\frac{n}{i} \cdot \left(-100 + t\_0 \cdot 100\right)\\

\mathbf{elif}\;t\_1 \leq 0:\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;\frac{100}{i} \cdot \left(\frac{t\_0}{\frac{1}{n}} - n\right)\\

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


\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)) < -2.0000000000000001e-127

    1. Initial program 99.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/99.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/99.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/99.5%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*99.2%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg99.2%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in99.4%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval99.4%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval99.4%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval99.4%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define99.2%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval99.2%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define99.4%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative99.4%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr99.4%

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

    if -2.0000000000000001e-127 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -0.0

    1. Initial program 18.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/18.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified18.4%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/18.4%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/18.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*18.1%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow32.1%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define98.6%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr98.6%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 79.7%

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

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

    1. Initial program 96.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/97.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg97.1%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in97.1%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval97.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval97.1%

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

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval97.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval97.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in97.1%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg97.1%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. div-inv96.8%

        \[\leadsto \frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      6. times-frac97.1%

        \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{1}{n}}} \]
      7. add-exp-log97.1%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{\frac{1}{n}} \]
      8. expm1-define97.1%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{\frac{1}{n}} \]
      9. log-pow51.9%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
      10. log1p-define51.9%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
    6. Applied egg-rr51.9%

      \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{1}{n}}} \]
    7. Step-by-step derivation
      1. expm1-undefine49.3%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)} - 1}}{\frac{1}{n}} \]
      2. *-commutative49.3%

        \[\leadsto \frac{100}{i} \cdot \frac{e^{\color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right) \cdot n}} - 1}{\frac{1}{n}} \]
      3. log1p-undefine49.3%

        \[\leadsto \frac{100}{i} \cdot \frac{e^{\color{blue}{\log \left(1 + \frac{i}{n}\right)} \cdot n} - 1}{\frac{1}{n}} \]
      4. pow-to-exp97.1%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n}} - 1}{\frac{1}{n}} \]
      5. div-sub97.1%

        \[\leadsto \frac{100}{i} \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{1}{n}} - \frac{1}{\frac{1}{n}}\right)} \]
      6. +-commutative97.1%

        \[\leadsto \frac{100}{i} \cdot \left(\frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n}}{\frac{1}{n}} - \frac{1}{\frac{1}{n}}\right) \]
      7. remove-double-div97.1%

        \[\leadsto \frac{100}{i} \cdot \left(\frac{{\left(\frac{i}{n} + 1\right)}^{n}}{\frac{1}{n}} - \color{blue}{n}\right) \]
    8. Applied egg-rr97.1%

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

    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. Add Preprocessing
    3. Taylor expanded in i around 0 70.6%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative70.6%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified70.6%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification81.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -2 \cdot 10^{-127}:\\ \;\;\;\;\frac{n}{i} \cdot \left(-100 + {\left(1 + \frac{i}{n}\right)}^{n} \cdot 100\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{100}{i} \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{1}{n}} - n\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 80.9% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}}\\ t_1 := t\_0 \cdot 100\\ \mathbf{if}\;t\_0 \leq -2 \cdot 10^{-127}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;t\_0 \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;t\_0 \leq \infty:\\ \;\;\;\;t\_1\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (/ (+ (pow (+ 1.0 (/ i n)) n) -1.0) (/ i n))) (t_1 (* t_0 100.0)))
   (if (<= t_0 -2e-127)
     t_1
     (if (<= t_0 0.0)
       (* n (* 100.0 (/ (expm1 i) i)))
       (if (<= t_0 INFINITY) t_1 (* n 100.0))))))
double code(double i, double n) {
	double t_0 = (pow((1.0 + (i / n)), n) + -1.0) / (i / n);
	double t_1 = t_0 * 100.0;
	double tmp;
	if (t_0 <= -2e-127) {
		tmp = t_1;
	} else if (t_0 <= 0.0) {
		tmp = n * (100.0 * (expm1(i) / i));
	} else if (t_0 <= ((double) INFINITY)) {
		tmp = t_1;
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = (Math.pow((1.0 + (i / n)), n) + -1.0) / (i / n);
	double t_1 = t_0 * 100.0;
	double tmp;
	if (t_0 <= -2e-127) {
		tmp = t_1;
	} else if (t_0 <= 0.0) {
		tmp = n * (100.0 * (Math.expm1(i) / i));
	} else if (t_0 <= Double.POSITIVE_INFINITY) {
		tmp = t_1;
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	t_0 = (math.pow((1.0 + (i / n)), n) + -1.0) / (i / n)
	t_1 = t_0 * 100.0
	tmp = 0
	if t_0 <= -2e-127:
		tmp = t_1
	elif t_0 <= 0.0:
		tmp = n * (100.0 * (math.expm1(i) / i))
	elif t_0 <= math.inf:
		tmp = t_1
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	t_0 = Float64(Float64((Float64(1.0 + Float64(i / n)) ^ n) + -1.0) / Float64(i / n))
	t_1 = Float64(t_0 * 100.0)
	tmp = 0.0
	if (t_0 <= -2e-127)
		tmp = t_1;
	elseif (t_0 <= 0.0)
		tmp = Float64(n * Float64(100.0 * Float64(expm1(i) / i)));
	elseif (t_0 <= Inf)
		tmp = t_1;
	else
		tmp = Float64(n * 100.0);
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(N[(N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision] + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(t$95$0 * 100.0), $MachinePrecision]}, If[LessEqual[t$95$0, -2e-127], t$95$1, If[LessEqual[t$95$0, 0.0], N[(n * N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$0, Infinity], t$95$1, N[(n * 100.0), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}}\\
t_1 := t\_0 \cdot 100\\
\mathbf{if}\;t\_0 \leq -2 \cdot 10^{-127}:\\
\;\;\;\;t\_1\\

\mathbf{elif}\;t\_0 \leq 0:\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;t\_0 \leq \infty:\\
\;\;\;\;t\_1\\

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


\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)) < -2.0000000000000001e-127 or -0.0 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 97.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing

    if -2.0000000000000001e-127 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -0.0

    1. Initial program 18.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/18.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified18.4%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/18.4%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/18.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*18.1%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow32.1%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define98.6%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr98.6%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 79.7%

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

    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. Add Preprocessing
    3. Taylor expanded in i around 0 70.6%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative70.6%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified70.6%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification81.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -2 \cdot 10^{-127}:\\ \;\;\;\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \cdot 100\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \cdot 100\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 80.9% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ t_2 := \frac{n}{i} \cdot \left(-100 + t\_0 \cdot 100\right)\\ \mathbf{if}\;t\_1 \leq -2 \cdot 10^{-127}:\\ \;\;\;\;t\_2\\ \mathbf{elif}\;t\_1 \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;t\_2\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n))
        (t_1 (/ (+ t_0 -1.0) (/ i n)))
        (t_2 (* (/ n i) (+ -100.0 (* t_0 100.0)))))
   (if (<= t_1 -2e-127)
     t_2
     (if (<= t_1 0.0)
       (* n (* 100.0 (/ (expm1 i) i)))
       (if (<= t_1 INFINITY) t_2 (* n 100.0))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = (t_0 + -1.0) / (i / n);
	double t_2 = (n / i) * (-100.0 + (t_0 * 100.0));
	double tmp;
	if (t_1 <= -2e-127) {
		tmp = t_2;
	} else if (t_1 <= 0.0) {
		tmp = n * (100.0 * (expm1(i) / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = t_2;
	} else {
		tmp = n * 100.0;
	}
	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) / (i / n);
	double t_2 = (n / i) * (-100.0 + (t_0 * 100.0));
	double tmp;
	if (t_1 <= -2e-127) {
		tmp = t_2;
	} else if (t_1 <= 0.0) {
		tmp = n * (100.0 * (Math.expm1(i) / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = t_2;
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = (t_0 + -1.0) / (i / n)
	t_2 = (n / i) * (-100.0 + (t_0 * 100.0))
	tmp = 0
	if t_1 <= -2e-127:
		tmp = t_2
	elif t_1 <= 0.0:
		tmp = n * (100.0 * (math.expm1(i) / i))
	elif t_1 <= math.inf:
		tmp = t_2
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	t_2 = Float64(Float64(n / i) * Float64(-100.0 + Float64(t_0 * 100.0)))
	tmp = 0.0
	if (t_1 <= -2e-127)
		tmp = t_2;
	elseif (t_1 <= 0.0)
		tmp = Float64(n * Float64(100.0 * Float64(expm1(i) / i)));
	elseif (t_1 <= Inf)
		tmp = t_2;
	else
		tmp = Float64(n * 100.0);
	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[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(n / i), $MachinePrecision] * N[(-100.0 + N[(t$95$0 * 100.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e-127], t$95$2, If[LessEqual[t$95$1, 0.0], N[(n * N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], t$95$2, N[(n * 100.0), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
t_2 := \frac{n}{i} \cdot \left(-100 + t\_0 \cdot 100\right)\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{-127}:\\
\;\;\;\;t\_2\\

\mathbf{elif}\;t\_1 \leq 0:\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;t\_2\\

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


\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)) < -2.0000000000000001e-127 or -0.0 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 97.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/97.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/97.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/97.8%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*97.7%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg97.7%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in97.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval97.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval97.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval97.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define97.7%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval97.7%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified97.7%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define97.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative97.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr97.8%

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

    if -2.0000000000000001e-127 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -0.0

    1. Initial program 18.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/18.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified18.4%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/18.4%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/18.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*18.1%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow32.1%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define98.6%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr98.6%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 79.7%

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

    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. Add Preprocessing
    3. Taylor expanded in i around 0 70.6%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative70.6%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified70.6%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification81.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -2 \cdot 10^{-127}:\\ \;\;\;\;\frac{n}{i} \cdot \left(-100 + {\left(1 + \frac{i}{n}\right)}^{n} \cdot 100\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{n}{i} \cdot \left(-100 + {\left(1 + \frac{i}{n}\right)}^{n} \cdot 100\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 80.9% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := -100 + t\_0 \cdot 100\\ t_2 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_2 \leq -2 \cdot 10^{-127}:\\ \;\;\;\;\frac{n}{i} \cdot t\_1\\ \mathbf{elif}\;t\_2 \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;t\_2 \leq \infty:\\ \;\;\;\;\frac{t\_1}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n))
        (t_1 (+ -100.0 (* t_0 100.0)))
        (t_2 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_2 -2e-127)
     (* (/ n i) t_1)
     (if (<= t_2 0.0)
       (* n (* 100.0 (/ (expm1 i) i)))
       (if (<= t_2 INFINITY) (/ t_1 (/ i n)) (* n 100.0))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = -100.0 + (t_0 * 100.0);
	double t_2 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_2 <= -2e-127) {
		tmp = (n / i) * t_1;
	} else if (t_2 <= 0.0) {
		tmp = n * (100.0 * (expm1(i) / i));
	} else if (t_2 <= ((double) INFINITY)) {
		tmp = t_1 / (i / n);
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = Math.pow((1.0 + (i / n)), n);
	double t_1 = -100.0 + (t_0 * 100.0);
	double t_2 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_2 <= -2e-127) {
		tmp = (n / i) * t_1;
	} else if (t_2 <= 0.0) {
		tmp = n * (100.0 * (Math.expm1(i) / i));
	} else if (t_2 <= Double.POSITIVE_INFINITY) {
		tmp = t_1 / (i / n);
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = -100.0 + (t_0 * 100.0)
	t_2 = (t_0 + -1.0) / (i / n)
	tmp = 0
	if t_2 <= -2e-127:
		tmp = (n / i) * t_1
	elif t_2 <= 0.0:
		tmp = n * (100.0 * (math.expm1(i) / i))
	elif t_2 <= math.inf:
		tmp = t_1 / (i / n)
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(-100.0 + Float64(t_0 * 100.0))
	t_2 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_2 <= -2e-127)
		tmp = Float64(Float64(n / i) * t_1);
	elseif (t_2 <= 0.0)
		tmp = Float64(n * Float64(100.0 * Float64(expm1(i) / i)));
	elseif (t_2 <= Inf)
		tmp = Float64(t_1 / Float64(i / n));
	else
		tmp = Float64(n * 100.0);
	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[(-100.0 + N[(t$95$0 * 100.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$2, -2e-127], N[(N[(n / i), $MachinePrecision] * t$95$1), $MachinePrecision], If[LessEqual[t$95$2, 0.0], N[(n * N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, Infinity], N[(t$95$1 / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := -100 + t\_0 \cdot 100\\
t_2 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_2 \leq -2 \cdot 10^{-127}:\\
\;\;\;\;\frac{n}{i} \cdot t\_1\\

\mathbf{elif}\;t\_2 \leq 0:\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;t\_2 \leq \infty:\\
\;\;\;\;\frac{t\_1}{\frac{i}{n}}\\

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


\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)) < -2.0000000000000001e-127

    1. Initial program 99.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/99.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/99.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/99.5%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*99.2%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg99.2%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in99.4%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval99.4%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval99.4%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval99.4%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define99.2%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval99.2%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified99.2%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define99.4%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative99.4%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr99.4%

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

    if -2.0000000000000001e-127 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < -0.0

    1. Initial program 18.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/18.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified18.4%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval18.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in18.4%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg18.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/18.4%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/18.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*18.1%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define18.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow32.1%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define98.6%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr98.6%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 79.7%

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

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

    1. Initial program 96.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/97.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg97.1%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in97.1%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval97.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval97.1%

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

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

    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. Add Preprocessing
    3. Taylor expanded in i around 0 70.6%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative70.6%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified70.6%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification81.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -2 \cdot 10^{-127}:\\ \;\;\;\;\frac{n}{i} \cdot \left(-100 + {\left(1 + \frac{i}{n}\right)}^{n} \cdot 100\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{-100 + {\left(1 + \frac{i}{n}\right)}^{n} \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 93.7% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq -5 \cdot 10^{-84}:\\ \;\;\;\;\frac{100}{i} \cdot \left(\frac{t\_0}{\frac{1}{n}} - n\right)\\ \mathbf{elif}\;t\_1 \leq 2 \cdot 10^{-281}:\\ \;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{n}{i}\right)\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;\frac{-100 + t\_0 \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 -5e-84)
     (* (/ 100.0 i) (- (/ t_0 (/ 1.0 n)) n))
     (if (<= t_1 2e-281)
       (* (expm1 (* n (log1p (/ i n)))) (* 100.0 (/ n i)))
       (if (<= t_1 INFINITY)
         (/ (+ -100.0 (* t_0 100.0)) (/ i n))
         (* n 100.0))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_1 <= -5e-84) {
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n);
	} else if (t_1 <= 2e-281) {
		tmp = expm1((n * log1p((i / n)))) * (100.0 * (n / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = (-100.0 + (t_0 * 100.0)) / (i / n);
	} else {
		tmp = n * 100.0;
	}
	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) / (i / n);
	double tmp;
	if (t_1 <= -5e-84) {
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n);
	} else if (t_1 <= 2e-281) {
		tmp = Math.expm1((n * Math.log1p((i / n)))) * (100.0 * (n / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = (-100.0 + (t_0 * 100.0)) / (i / n);
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = (t_0 + -1.0) / (i / n)
	tmp = 0
	if t_1 <= -5e-84:
		tmp = (100.0 / i) * ((t_0 / (1.0 / n)) - n)
	elif t_1 <= 2e-281:
		tmp = math.expm1((n * math.log1p((i / n)))) * (100.0 * (n / i))
	elif t_1 <= math.inf:
		tmp = (-100.0 + (t_0 * 100.0)) / (i / n)
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_1 <= -5e-84)
		tmp = Float64(Float64(100.0 / i) * Float64(Float64(t_0 / Float64(1.0 / n)) - n));
	elseif (t_1 <= 2e-281)
		tmp = Float64(expm1(Float64(n * log1p(Float64(i / n)))) * Float64(100.0 * Float64(n / i)));
	elseif (t_1 <= Inf)
		tmp = Float64(Float64(-100.0 + Float64(t_0 * 100.0)) / Float64(i / n));
	else
		tmp = Float64(n * 100.0);
	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[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -5e-84], N[(N[(100.0 / i), $MachinePrecision] * N[(N[(t$95$0 / N[(1.0 / n), $MachinePrecision]), $MachinePrecision] - n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 2e-281], N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * N[(100.0 * N[(n / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(N[(-100.0 + N[(t$95$0 * 100.0), $MachinePrecision]), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq -5 \cdot 10^{-84}:\\
\;\;\;\;\frac{100}{i} \cdot \left(\frac{t\_0}{\frac{1}{n}} - n\right)\\

\mathbf{elif}\;t\_1 \leq 2 \cdot 10^{-281}:\\
\;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{n}{i}\right)\\

\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;\frac{-100 + t\_0 \cdot 100}{\frac{i}{n}}\\

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


\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)) < -5.0000000000000002e-84

    1. Initial program 99.5%

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

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg99.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in99.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval99.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in99.7%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg99.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. div-inv99.8%

        \[\leadsto \frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      6. times-frac99.7%

        \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{1}{n}}} \]
      7. add-exp-log99.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{\frac{1}{n}} \]
      8. expm1-define99.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{\frac{1}{n}} \]
      9. log-pow59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
      10. log1p-define59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
    6. Applied egg-rr59.7%

      \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{1}{n}}} \]
    7. Step-by-step derivation
      1. expm1-undefine59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)} - 1}}{\frac{1}{n}} \]
      2. *-commutative59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{e^{\color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right) \cdot n}} - 1}{\frac{1}{n}} \]
      3. log1p-undefine59.7%

        \[\leadsto \frac{100}{i} \cdot \frac{e^{\color{blue}{\log \left(1 + \frac{i}{n}\right)} \cdot n} - 1}{\frac{1}{n}} \]
      4. pow-to-exp99.7%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n}} - 1}{\frac{1}{n}} \]
      5. div-sub99.7%

        \[\leadsto \frac{100}{i} \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{1}{n}} - \frac{1}{\frac{1}{n}}\right)} \]
      6. +-commutative99.7%

        \[\leadsto \frac{100}{i} \cdot \left(\frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n}}{\frac{1}{n}} - \frac{1}{\frac{1}{n}}\right) \]
      7. remove-double-div99.8%

        \[\leadsto \frac{100}{i} \cdot \left(\frac{{\left(\frac{i}{n} + 1\right)}^{n}}{\frac{1}{n}} - \color{blue}{n}\right) \]
    8. Applied egg-rr99.8%

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

    if -5.0000000000000002e-84 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 2e-281

    1. Initial program 19.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/19.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg19.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in19.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified19.8%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval19.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in19.7%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg19.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/19.8%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. *-commutative19.8%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      7. div-inv19.7%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 \]
      8. clear-num19.4%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 \]
      9. associate-*l*19.4%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      10. add-exp-log19.4%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) \]
      11. expm1-define19.4%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) \]
      12. log-pow33.6%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) \]
      13. log1p-define97.7%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) \]
    6. Applied egg-rr97.7%

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

    if 2e-281 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 99.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/99.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg99.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in99.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval99.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval99.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified99.8%

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

    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. Add Preprocessing
    3. Taylor expanded in i around 0 70.6%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative70.6%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified70.6%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification94.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -5 \cdot 10^{-84}:\\ \;\;\;\;\frac{100}{i} \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{1}{n}} - n\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-281}:\\ \;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{n}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{-100 + {\left(1 + \frac{i}{n}\right)}^{n} \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 79.0% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{\mathsf{expm1}\left(i\right)}{i}\\ \mathbf{if}\;n \leq -3.7 \cdot 10^{-287}:\\ \;\;\;\;100 \cdot \left(n \cdot t\_0\right)\\ \mathbf{elif}\;n \leq 1.1 \cdot 10^{-246}:\\ \;\;\;\;n \cdot \frac{100 \cdot \left(n \cdot \log \left(\frac{i}{n}\right)\right)}{i}\\ \mathbf{elif}\;n \leq 1.95 \cdot 10^{-26}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot t\_0\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (/ (expm1 i) i)))
   (if (<= n -3.7e-287)
     (* 100.0 (* n t_0))
     (if (<= n 1.1e-246)
       (* n (/ (* 100.0 (* n (log (/ i n)))) i))
       (if (<= n 1.95e-26) (* 100.0 (/ i (/ i n))) (* n (* 100.0 t_0)))))))
double code(double i, double n) {
	double t_0 = expm1(i) / i;
	double tmp;
	if (n <= -3.7e-287) {
		tmp = 100.0 * (n * t_0);
	} else if (n <= 1.1e-246) {
		tmp = n * ((100.0 * (n * log((i / n)))) / i);
	} else if (n <= 1.95e-26) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 * t_0);
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = Math.expm1(i) / i;
	double tmp;
	if (n <= -3.7e-287) {
		tmp = 100.0 * (n * t_0);
	} else if (n <= 1.1e-246) {
		tmp = n * ((100.0 * (n * Math.log((i / n)))) / i);
	} else if (n <= 1.95e-26) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 * t_0);
	}
	return tmp;
}
def code(i, n):
	t_0 = math.expm1(i) / i
	tmp = 0
	if n <= -3.7e-287:
		tmp = 100.0 * (n * t_0)
	elif n <= 1.1e-246:
		tmp = n * ((100.0 * (n * math.log((i / n)))) / i)
	elif n <= 1.95e-26:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = n * (100.0 * t_0)
	return tmp
function code(i, n)
	t_0 = Float64(expm1(i) / i)
	tmp = 0.0
	if (n <= -3.7e-287)
		tmp = Float64(100.0 * Float64(n * t_0));
	elseif (n <= 1.1e-246)
		tmp = Float64(n * Float64(Float64(100.0 * Float64(n * log(Float64(i / n)))) / i));
	elseif (n <= 1.95e-26)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 * t_0));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]}, If[LessEqual[n, -3.7e-287], N[(100.0 * N[(n * t$95$0), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.1e-246], N[(n * N[(N[(100.0 * N[(n * N[Log[N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.95e-26], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 * t$95$0), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{\mathsf{expm1}\left(i\right)}{i}\\
\mathbf{if}\;n \leq -3.7 \cdot 10^{-287}:\\
\;\;\;\;100 \cdot \left(n \cdot t\_0\right)\\

\mathbf{elif}\;n \leq 1.1 \cdot 10^{-246}:\\
\;\;\;\;n \cdot \frac{100 \cdot \left(n \cdot \log \left(\frac{i}{n}\right)\right)}{i}\\

\mathbf{elif}\;n \leq 1.95 \cdot 10^{-26}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 \cdot t\_0\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -3.70000000000000027e-287

    1. Initial program 38.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 32.9%

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    4. Step-by-step derivation
      1. *-commutative32.9%

        \[\leadsto \color{blue}{\frac{n \cdot \left(e^{i} - 1\right)}{i} \cdot 100} \]
      2. associate-/l*32.9%

        \[\leadsto \color{blue}{\left(n \cdot \frac{e^{i} - 1}{i}\right)} \cdot 100 \]
      3. expm1-define72.3%

        \[\leadsto \left(n \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i}\right) \cdot 100 \]
    5. Simplified72.3%

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

    if -3.70000000000000027e-287 < n < 1.09999999999999999e-246

    1. Initial program 38.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/38.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg38.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in38.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval38.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval38.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified38.7%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. associate-/r/39.0%

        \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{i} \cdot n} \]
      2. metadata-eval39.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \cdot n \]
      3. metadata-eval39.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \cdot n \]
      4. distribute-lft-in39.0%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \cdot n \]
      5. sub-neg39.0%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \cdot n \]
      6. *-commutative39.0%

        \[\leadsto \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \cdot n \]
      7. add-exp-log39.0%

        \[\leadsto \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \cdot n \]
      8. expm1-define39.0%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \cdot n \]
      9. log-pow82.0%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \cdot n \]
      10. log1p-define83.3%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \cdot n \]
    6. Applied egg-rr83.3%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i} \cdot n} \]
    7. Taylor expanded in n around 0 65.1%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{n \cdot \left(\log i + -1 \cdot \log n\right)}{i}\right)} \cdot n \]
    8. Step-by-step derivation
      1. associate-*r/65.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left(n \cdot \left(\log i + -1 \cdot \log n\right)\right)}{i}} \cdot n \]
      2. mul-1-neg65.1%

        \[\leadsto \frac{100 \cdot \left(n \cdot \left(\log i + \color{blue}{\left(-\log n\right)}\right)\right)}{i} \cdot n \]
      3. unsub-neg65.1%

        \[\leadsto \frac{100 \cdot \left(n \cdot \color{blue}{\left(\log i - \log n\right)}\right)}{i} \cdot n \]
      4. log-div69.4%

        \[\leadsto \frac{100 \cdot \left(n \cdot \color{blue}{\log \left(\frac{i}{n}\right)}\right)}{i} \cdot n \]
    9. Simplified69.4%

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

    if 1.09999999999999999e-246 < n < 1.94999999999999993e-26

    1. Initial program 10.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 76.2%

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

    if 1.94999999999999993e-26 < n

    1. Initial program 20.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/20.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg20.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in20.4%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified20.4%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in20.4%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg20.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/20.4%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/20.6%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*20.6%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log20.6%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define20.6%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow16.8%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define82.3%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr82.3%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 94.2%

      \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{i}\right)}{i}\right) \cdot n \]
  3. Recombined 4 regimes into one program.
  4. Final simplification80.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.7 \cdot 10^{-287}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 1.1 \cdot 10^{-246}:\\ \;\;\;\;n \cdot \frac{100 \cdot \left(n \cdot \log \left(\frac{i}{n}\right)\right)}{i}\\ \mathbf{elif}\;n \leq 1.95 \cdot 10^{-26}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 77.7% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -8.2 \cdot 10^{+78} \lor \neg \left(i \leq 10^{+87}\right):\\ \;\;\;\;\frac{n}{i} \cdot \left(-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -8.2e+78) (not (<= i 1e+87)))
   (* (/ n i) (+ -100.0 (* 100.0 (pow (/ i n) n))))
   (* n (* 100.0 (/ (expm1 i) i)))))
double code(double i, double n) {
	double tmp;
	if ((i <= -8.2e+78) || !(i <= 1e+87)) {
		tmp = (n / i) * (-100.0 + (100.0 * pow((i / n), n)));
	} else {
		tmp = n * (100.0 * (expm1(i) / i));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((i <= -8.2e+78) || !(i <= 1e+87)) {
		tmp = (n / i) * (-100.0 + (100.0 * Math.pow((i / n), n)));
	} else {
		tmp = n * (100.0 * (Math.expm1(i) / i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -8.2e+78) or not (i <= 1e+87):
		tmp = (n / i) * (-100.0 + (100.0 * math.pow((i / n), n)))
	else:
		tmp = n * (100.0 * (math.expm1(i) / i))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -8.2e+78) || !(i <= 1e+87))
		tmp = Float64(Float64(n / i) * Float64(-100.0 + Float64(100.0 * (Float64(i / n) ^ n))));
	else
		tmp = Float64(n * Float64(100.0 * Float64(expm1(i) / i)));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[i, -8.2e+78], N[Not[LessEqual[i, 1e+87]], $MachinePrecision]], N[(N[(n / i), $MachinePrecision] * N[(-100.0 + N[(100.0 * N[Power[N[(i / n), $MachinePrecision], n], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -8.2 \cdot 10^{+78} \lor \neg \left(i \leq 10^{+87}\right):\\
\;\;\;\;\frac{n}{i} \cdot \left(-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}\right)\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -8.1999999999999994e78 or 9.9999999999999996e86 < i

    1. Initial program 61.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/61.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/61.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/61.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*60.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg60.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in60.9%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval60.9%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval60.9%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval60.9%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define60.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval60.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified60.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-define60.9%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative60.9%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr60.9%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around inf 70.9%

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

    if -8.1999999999999994e78 < i < 9.9999999999999996e86

    1. Initial program 10.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/10.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg10.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in10.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified10.8%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in10.8%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg10.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/10.8%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/11.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*11.1%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log11.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define11.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow22.7%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define85.0%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr85.0%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 83.1%

      \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{i}\right)}{i}\right) \cdot n \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -8.2 \cdot 10^{+78} \lor \neg \left(i \leq 10^{+87}\right):\\ \;\;\;\;\frac{n}{i} \cdot \left(-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 77.8% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -1.55 \cdot 10^{+79} \lor \neg \left(i \leq 5.6 \cdot 10^{+86}\right):\\ \;\;\;\;\frac{-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -1.55e+79) (not (<= i 5.6e+86)))
   (/ (+ -100.0 (* 100.0 (pow (/ i n) n))) (/ i n))
   (* n (* 100.0 (/ (expm1 i) i)))))
double code(double i, double n) {
	double tmp;
	if ((i <= -1.55e+79) || !(i <= 5.6e+86)) {
		tmp = (-100.0 + (100.0 * pow((i / n), n))) / (i / n);
	} else {
		tmp = n * (100.0 * (expm1(i) / i));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((i <= -1.55e+79) || !(i <= 5.6e+86)) {
		tmp = (-100.0 + (100.0 * Math.pow((i / n), n))) / (i / n);
	} else {
		tmp = n * (100.0 * (Math.expm1(i) / i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -1.55e+79) or not (i <= 5.6e+86):
		tmp = (-100.0 + (100.0 * math.pow((i / n), n))) / (i / n)
	else:
		tmp = n * (100.0 * (math.expm1(i) / i))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -1.55e+79) || !(i <= 5.6e+86))
		tmp = Float64(Float64(-100.0 + Float64(100.0 * (Float64(i / n) ^ n))) / Float64(i / n));
	else
		tmp = Float64(n * Float64(100.0 * Float64(expm1(i) / i)));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[i, -1.55e+79], N[Not[LessEqual[i, 5.6e+86]], $MachinePrecision]], N[(N[(-100.0 + N[(100.0 * N[Power[N[(i / n), $MachinePrecision], n], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -1.55 \cdot 10^{+79} \lor \neg \left(i \leq 5.6 \cdot 10^{+86}\right):\\
\;\;\;\;\frac{-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -1.5499999999999999e79 or 5.60000000000000008e86 < i

    1. Initial program 61.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/61.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg61.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in61.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval61.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval61.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified61.7%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around inf 71.7%

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

    if -1.5499999999999999e79 < i < 5.60000000000000008e86

    1. Initial program 10.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/10.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg10.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in10.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified10.8%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval10.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in10.8%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg10.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/10.8%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/11.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*11.1%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log11.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define11.1%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow22.7%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define85.0%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr85.0%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 83.1%

      \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{i}\right)}{i}\right) \cdot n \]
  3. Recombined 2 regimes into one program.
  4. Final simplification79.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -1.55 \cdot 10^{+79} \lor \neg \left(i \leq 5.6 \cdot 10^{+86}\right):\\ \;\;\;\;\frac{-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 72.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -7.4 \cdot 10^{-66} \lor \neg \left(i \leq 4.3 \cdot 10^{-196}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -7.4e-66) (not (<= i 4.3e-196)))
   (* 100.0 (/ (expm1 i) (/ i n)))
   (* n (+ 100.0 (* (* i 100.0) (- 0.5 (/ 0.5 n)))))))
double code(double i, double n) {
	double tmp;
	if ((i <= -7.4e-66) || !(i <= 4.3e-196)) {
		tmp = 100.0 * (expm1(i) / (i / n));
	} else {
		tmp = n * (100.0 + ((i * 100.0) * (0.5 - (0.5 / n))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((i <= -7.4e-66) || !(i <= 4.3e-196)) {
		tmp = 100.0 * (Math.expm1(i) / (i / n));
	} else {
		tmp = n * (100.0 + ((i * 100.0) * (0.5 - (0.5 / n))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -7.4e-66) or not (i <= 4.3e-196):
		tmp = 100.0 * (math.expm1(i) / (i / n))
	else:
		tmp = n * (100.0 + ((i * 100.0) * (0.5 - (0.5 / n))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -7.4e-66) || !(i <= 4.3e-196))
		tmp = Float64(100.0 * Float64(expm1(i) / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(Float64(i * 100.0) * Float64(0.5 - Float64(0.5 / n)))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[i, -7.4e-66], N[Not[LessEqual[i, 4.3e-196]], $MachinePrecision]], N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(N[(i * 100.0), $MachinePrecision] * N[(0.5 - N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -7.4 \cdot 10^{-66} \lor \neg \left(i \leq 4.3 \cdot 10^{-196}\right):\\
\;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -7.4000000000000004e-66 or 4.29999999999999979e-196 < i

    1. Initial program 39.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 48.2%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define68.1%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified68.1%

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

    if -7.4000000000000004e-66 < i < 4.29999999999999979e-196

    1. Initial program 4.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/4.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg4.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in4.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval4.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval4.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified4.7%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval4.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval4.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in4.7%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg4.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/4.7%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/5.2%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*5.2%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log5.2%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define5.2%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow17.4%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define73.2%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr73.2%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in i around 0 87.8%

      \[\leadsto \color{blue}{\left(100 + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \cdot n \]
    8. Step-by-step derivation
      1. associate-*r*87.8%

        \[\leadsto \left(100 + \color{blue}{\left(100 \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \cdot n \]
      2. *-commutative87.8%

        \[\leadsto \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \cdot n \]
      3. associate-*r/87.8%

        \[\leadsto \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \cdot n \]
      4. metadata-eval87.8%

        \[\leadsto \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \cdot n \]
    9. Simplified87.8%

      \[\leadsto \color{blue}{\left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \cdot n \]
  3. Recombined 2 regimes into one program.
  4. Final simplification74.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -7.4 \cdot 10^{-66} \lor \neg \left(i \leq 4.3 \cdot 10^{-196}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 79.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.1 \cdot 10^{-158} \lor \neg \left(n \leq 3.5 \cdot 10^{-25}\right):\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -3.1e-158) (not (<= n 3.5e-25)))
   (* n (* 100.0 (/ (expm1 i) i)))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -3.1e-158) || !(n <= 3.5e-25)) {
		tmp = n * (100.0 * (expm1(i) / i));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -3.1e-158) || !(n <= 3.5e-25)) {
		tmp = n * (100.0 * (Math.expm1(i) / i));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -3.1e-158) or not (n <= 3.5e-25):
		tmp = n * (100.0 * (math.expm1(i) / i))
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -3.1e-158) || !(n <= 3.5e-25))
		tmp = Float64(n * Float64(100.0 * Float64(expm1(i) / i)));
	else
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -3.1e-158], N[Not[LessEqual[n, 3.5e-25]], $MachinePrecision]], N[(n * N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.1 \cdot 10^{-158} \lor \neg \left(n \leq 3.5 \cdot 10^{-25}\right):\\
\;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -3.10000000000000018e-158 or 3.5000000000000002e-25 < n

    1. Initial program 27.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/27.2%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg27.2%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in27.2%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval27.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval27.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified27.2%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval27.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval27.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in27.2%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg27.2%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/27.1%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/27.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*27.3%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log27.3%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define27.3%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow24.6%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define78.4%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr78.4%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 82.6%

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

    if -3.10000000000000018e-158 < n < 3.5000000000000002e-25

    1. Initial program 29.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 68.6%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.1 \cdot 10^{-158} \lor \neg \left(n \leq 3.5 \cdot 10^{-25}\right):\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 61.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -8 \cdot 10^{+122}:\\ \;\;\;\;\frac{100}{i} \cdot \left(i \cdot n\right)\\ \mathbf{elif}\;n \leq 1.08 \cdot 10^{-27}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\left|n \cdot \left(100 + i \cdot 50\right)\right|\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -8e+122)
   (* (/ 100.0 i) (* i n))
   (if (<= n 1.08e-27)
     (* 100.0 (/ i (/ i n)))
     (fabs (* n (+ 100.0 (* i 50.0)))))))
double code(double i, double n) {
	double tmp;
	if (n <= -8e+122) {
		tmp = (100.0 / i) * (i * n);
	} else if (n <= 1.08e-27) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = fabs((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 <= (-8d+122)) then
        tmp = (100.0d0 / i) * (i * n)
    else if (n <= 1.08d-27) then
        tmp = 100.0d0 * (i / (i / n))
    else
        tmp = abs((n * (100.0d0 + (i * 50.0d0))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -8e+122) {
		tmp = (100.0 / i) * (i * n);
	} else if (n <= 1.08e-27) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = Math.abs((n * (100.0 + (i * 50.0))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -8e+122:
		tmp = (100.0 / i) * (i * n)
	elif n <= 1.08e-27:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = math.fabs((n * (100.0 + (i * 50.0))))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -8e+122)
		tmp = Float64(Float64(100.0 / i) * Float64(i * n));
	elseif (n <= 1.08e-27)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = abs(Float64(n * Float64(100.0 + Float64(i * 50.0))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -8e+122)
		tmp = (100.0 / i) * (i * n);
	elseif (n <= 1.08e-27)
		tmp = 100.0 * (i / (i / n));
	else
		tmp = abs((n * (100.0 + (i * 50.0))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -8e+122], N[(N[(100.0 / i), $MachinePrecision] * N[(i * n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.08e-27], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[Abs[N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -8 \cdot 10^{+122}:\\
\;\;\;\;\frac{100}{i} \cdot \left(i \cdot n\right)\\

\mathbf{elif}\;n \leq 1.08 \cdot 10^{-27}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -8.00000000000000012e122

    1. Initial program 21.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/22.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg22.0%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in22.0%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval22.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval22.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified22.0%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval22.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval22.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in22.0%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg22.0%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. div-inv21.9%

        \[\leadsto \frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      6. times-frac22.6%

        \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{1}{n}}} \]
      7. add-exp-log22.6%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{\frac{1}{n}} \]
      8. expm1-define22.6%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{\frac{1}{n}} \]
      9. log-pow13.6%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
      10. log1p-define55.0%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
    6. Applied egg-rr55.0%

      \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{1}{n}}} \]
    7. Taylor expanded in i around 0 61.9%

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

    if -8.00000000000000012e122 < n < 1.08e-27

    1. Initial program 34.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 61.1%

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

    if 1.08e-27 < n

    1. Initial program 20.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 65.6%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r/65.6%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) \]
      2. metadata-eval65.6%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) \]
    5. Simplified65.6%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    6. Taylor expanded in n around inf 65.6%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*r*65.6%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative65.6%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative65.6%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    8. Simplified65.6%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    9. Step-by-step derivation
      1. add-sqr-sqrt64.8%

        \[\leadsto \color{blue}{\sqrt{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \cdot \sqrt{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)}} \]
      2. sqrt-unprod61.7%

        \[\leadsto \color{blue}{\sqrt{\left(\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)\right) \cdot \left(\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)\right)}} \]
      3. pow261.7%

        \[\leadsto \sqrt{\color{blue}{{\left(\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)\right)}^{2}}} \]
      4. +-commutative61.7%

        \[\leadsto \sqrt{{\left(\left(n \cdot 100\right) \cdot \color{blue}{\left(i \cdot 0.5 + 1\right)}\right)}^{2}} \]
      5. fma-define61.7%

        \[\leadsto \sqrt{{\left(\left(n \cdot 100\right) \cdot \color{blue}{\mathsf{fma}\left(i, 0.5, 1\right)}\right)}^{2}} \]
    10. Applied egg-rr61.7%

      \[\leadsto \color{blue}{\sqrt{{\left(\left(n \cdot 100\right) \cdot \mathsf{fma}\left(i, 0.5, 1\right)\right)}^{2}}} \]
    11. Step-by-step derivation
      1. unpow261.7%

        \[\leadsto \sqrt{\color{blue}{\left(\left(n \cdot 100\right) \cdot \mathsf{fma}\left(i, 0.5, 1\right)\right) \cdot \left(\left(n \cdot 100\right) \cdot \mathsf{fma}\left(i, 0.5, 1\right)\right)}} \]
      2. rem-sqrt-square66.0%

        \[\leadsto \color{blue}{\left|\left(n \cdot 100\right) \cdot \mathsf{fma}\left(i, 0.5, 1\right)\right|} \]
      3. associate-*l*66.0%

        \[\leadsto \left|\color{blue}{n \cdot \left(100 \cdot \mathsf{fma}\left(i, 0.5, 1\right)\right)}\right| \]
      4. fma-undefine66.0%

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

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

        \[\leadsto \left|n \cdot \left(100 \cdot \color{blue}{\left(1 + 0.5 \cdot i\right)}\right)\right| \]
      7. distribute-lft-in66.0%

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

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

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

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

        \[\leadsto \left|n \cdot \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot 0.5\right)\right| \]
      12. associate-*l*66.0%

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

        \[\leadsto \left|n \cdot \left(100 + i \cdot \color{blue}{50}\right)\right| \]
    12. Simplified66.0%

      \[\leadsto \color{blue}{\left|n \cdot \left(100 + i \cdot 50\right)\right|} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification62.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -8 \cdot 10^{+122}:\\ \;\;\;\;\frac{100}{i} \cdot \left(i \cdot n\right)\\ \mathbf{elif}\;n \leq 1.08 \cdot 10^{-27}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\left|n \cdot \left(100 + i \cdot 50\right)\right|\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 79.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{\mathsf{expm1}\left(i\right)}{i}\\ \mathbf{if}\;n \leq -2.7 \cdot 10^{-163}:\\ \;\;\;\;100 \cdot \left(n \cdot t\_0\right)\\ \mathbf{elif}\;n \leq 3.5 \cdot 10^{-25}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot t\_0\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (/ (expm1 i) i)))
   (if (<= n -2.7e-163)
     (* 100.0 (* n t_0))
     (if (<= n 3.5e-25) (* 100.0 (/ i (/ i n))) (* n (* 100.0 t_0))))))
double code(double i, double n) {
	double t_0 = expm1(i) / i;
	double tmp;
	if (n <= -2.7e-163) {
		tmp = 100.0 * (n * t_0);
	} else if (n <= 3.5e-25) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 * t_0);
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = Math.expm1(i) / i;
	double tmp;
	if (n <= -2.7e-163) {
		tmp = 100.0 * (n * t_0);
	} else if (n <= 3.5e-25) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 * t_0);
	}
	return tmp;
}
def code(i, n):
	t_0 = math.expm1(i) / i
	tmp = 0
	if n <= -2.7e-163:
		tmp = 100.0 * (n * t_0)
	elif n <= 3.5e-25:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = n * (100.0 * t_0)
	return tmp
function code(i, n)
	t_0 = Float64(expm1(i) / i)
	tmp = 0.0
	if (n <= -2.7e-163)
		tmp = Float64(100.0 * Float64(n * t_0));
	elseif (n <= 3.5e-25)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 * t_0));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]}, If[LessEqual[n, -2.7e-163], N[(100.0 * N[(n * t$95$0), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 3.5e-25], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 * t$95$0), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{\mathsf{expm1}\left(i\right)}{i}\\
\mathbf{if}\;n \leq -2.7 \cdot 10^{-163}:\\
\;\;\;\;100 \cdot \left(n \cdot t\_0\right)\\

\mathbf{elif}\;n \leq 3.5 \cdot 10^{-25}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 \cdot t\_0\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -2.70000000000000015e-163

    1. Initial program 33.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 28.1%

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    4. Step-by-step derivation
      1. *-commutative28.1%

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

        \[\leadsto \color{blue}{\left(n \cdot \frac{e^{i} - 1}{i}\right)} \cdot 100 \]
      3. expm1-define72.0%

        \[\leadsto \left(n \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i}\right) \cdot 100 \]
    5. Simplified72.0%

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

    if -2.70000000000000015e-163 < n < 3.5000000000000002e-25

    1. Initial program 29.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 68.6%

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

    if 3.5000000000000002e-25 < n

    1. Initial program 20.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/20.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg20.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in20.4%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified20.4%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval20.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in20.4%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg20.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/20.4%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. associate-/r/20.6%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      7. associate-*r*20.6%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      8. add-exp-log20.6%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i}\right) \cdot n \]
      9. expm1-define20.6%

        \[\leadsto \left(100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i}\right) \cdot n \]
      10. log-pow16.8%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
      11. log1p-define82.3%

        \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i}\right) \cdot n \]
    6. Applied egg-rr82.3%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}\right) \cdot n} \]
    7. Taylor expanded in n around inf 94.2%

      \[\leadsto \left(100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{i}\right)}{i}\right) \cdot n \]
  3. Recombined 3 regimes into one program.
  4. Final simplification78.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -2.7 \cdot 10^{-163}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 3.5 \cdot 10^{-25}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 61.5% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -8 \cdot 10^{+122} \lor \neg \left(n \leq 3.5 \cdot 10^{-25}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -8e+122) (not (<= n 3.5e-25)))
   (* n (+ 100.0 (* i 50.0)))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -8e+122) || !(n <= 3.5e-25)) {
		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 <= (-8d+122)) .or. (.not. (n <= 3.5d-25))) 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 <= -8e+122) || !(n <= 3.5e-25)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -8e+122) or not (n <= 3.5e-25):
		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 <= -8e+122) || !(n <= 3.5e-25))
		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 <= -8e+122) || ~((n <= 3.5e-25)))
		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, -8e+122], N[Not[LessEqual[n, 3.5e-25]], $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 -8 \cdot 10^{+122} \lor \neg \left(n \leq 3.5 \cdot 10^{-25}\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 < -8.00000000000000012e122 or 3.5000000000000002e-25 < n

    1. Initial program 20.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 64.4%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r/64.4%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) \]
      2. metadata-eval64.4%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) \]
    5. Simplified64.4%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    6. Taylor expanded in n around inf 64.4%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*r*64.4%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative64.4%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative64.4%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    8. Simplified64.4%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    9. Taylor expanded in n around 0 64.4%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    10. Step-by-step derivation
      1. associate-*r*64.4%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative64.4%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. distribute-lft-in64.4%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot 1 + \left(n \cdot 100\right) \cdot \left(0.5 \cdot i\right)} \]
      4. *-rgt-identity64.4%

        \[\leadsto \color{blue}{n \cdot 100} + \left(n \cdot 100\right) \cdot \left(0.5 \cdot i\right) \]
      5. *-commutative64.4%

        \[\leadsto n \cdot 100 + \left(n \cdot 100\right) \cdot \color{blue}{\left(i \cdot 0.5\right)} \]
      6. associate-*r*64.4%

        \[\leadsto n \cdot 100 + \color{blue}{n \cdot \left(100 \cdot \left(i \cdot 0.5\right)\right)} \]
      7. distribute-lft-out64.4%

        \[\leadsto \color{blue}{n \cdot \left(100 + 100 \cdot \left(i \cdot 0.5\right)\right)} \]
      8. associate-*r*64.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot i\right) \cdot 0.5}\right) \]
      9. *-commutative64.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot 0.5\right) \]
      10. associate-*l*64.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot \left(100 \cdot 0.5\right)}\right) \]
      11. metadata-eval64.4%

        \[\leadsto n \cdot \left(100 + i \cdot \color{blue}{50}\right) \]
    11. Simplified64.4%

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

    if -8.00000000000000012e122 < n < 3.5000000000000002e-25

    1. Initial program 34.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 61.1%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -8 \cdot 10^{+122} \lor \neg \left(n \leq 3.5 \cdot 10^{-25}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 60.8% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -8.5 \cdot 10^{+122} \lor \neg \left(n \leq 3 \cdot 10^{-30}\right):\\ \;\;\;\;\frac{100}{i} \cdot \left(i \cdot n\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -8.5e+122) (not (<= n 3e-30)))
   (* (/ 100.0 i) (* i n))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -8.5e+122) || !(n <= 3e-30)) {
		tmp = (100.0 / i) * (i * n);
	} 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 <= (-8.5d+122)) .or. (.not. (n <= 3d-30))) then
        tmp = (100.0d0 / i) * (i * n)
    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 <= -8.5e+122) || !(n <= 3e-30)) {
		tmp = (100.0 / i) * (i * n);
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -8.5e+122) or not (n <= 3e-30):
		tmp = (100.0 / i) * (i * n)
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -8.5e+122) || !(n <= 3e-30))
		tmp = Float64(Float64(100.0 / i) * Float64(i * n));
	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 <= -8.5e+122) || ~((n <= 3e-30)))
		tmp = (100.0 / i) * (i * n);
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -8.5e+122], N[Not[LessEqual[n, 3e-30]], $MachinePrecision]], N[(N[(100.0 / i), $MachinePrecision] * N[(i * n), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -8.5 \cdot 10^{+122} \lor \neg \left(n \leq 3 \cdot 10^{-30}\right):\\
\;\;\;\;\frac{100}{i} \cdot \left(i \cdot n\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -8.50000000000000003e122 or 2.9999999999999999e-30 < n

    1. Initial program 20.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/20.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg20.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in20.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval20.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval20.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified20.7%

      \[\leadsto \color{blue}{\frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval20.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      2. metadata-eval20.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in20.7%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg20.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. div-inv20.7%

        \[\leadsto \frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      6. times-frac21.0%

        \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{1}{n}}} \]
      7. add-exp-log21.0%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{\frac{1}{n}} \]
      8. expm1-define21.0%

        \[\leadsto \frac{100}{i} \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{\frac{1}{n}} \]
      9. log-pow16.6%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
      10. log1p-define74.9%

        \[\leadsto \frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{\frac{1}{n}} \]
    6. Applied egg-rr74.9%

      \[\leadsto \color{blue}{\frac{100}{i} \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{1}{n}}} \]
    7. Taylor expanded in i around 0 64.1%

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

    if -8.50000000000000003e122 < n < 2.9999999999999999e-30

    1. Initial program 34.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 61.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -8.5 \cdot 10^{+122} \lor \neg \left(n \leq 3 \cdot 10^{-30}\right):\\ \;\;\;\;\frac{100}{i} \cdot \left(i \cdot n\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 16: 58.3% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -8.8 \cdot 10^{-66}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 0.8:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -8.8e-66)
   (* 100.0 (/ i (/ i n)))
   (if (<= i 0.8) (* 100.0 (+ n (* i -0.5))) (* 50.0 (* i n)))))
double code(double i, double n) {
	double tmp;
	if (i <= -8.8e-66) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 0.8) {
		tmp = 100.0 * (n + (i * -0.5));
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-8.8d-66)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (i <= 0.8d0) then
        tmp = 100.0d0 * (n + (i * (-0.5d0)))
    else
        tmp = 50.0d0 * (i * n)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -8.8e-66) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 0.8) {
		tmp = 100.0 * (n + (i * -0.5));
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -8.8e-66:
		tmp = 100.0 * (i / (i / n))
	elif i <= 0.8:
		tmp = 100.0 * (n + (i * -0.5))
	else:
		tmp = 50.0 * (i * n)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -8.8e-66)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (i <= 0.8)
		tmp = Float64(100.0 * Float64(n + Float64(i * -0.5)));
	else
		tmp = Float64(50.0 * Float64(i * n));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -8.8e-66)
		tmp = 100.0 * (i / (i / n));
	elseif (i <= 0.8)
		tmp = 100.0 * (n + (i * -0.5));
	else
		tmp = 50.0 * (i * n);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -8.8e-66], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 0.8], N[(100.0 * N[(n + N[(i * -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(50.0 * N[(i * n), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -8.8 \cdot 10^{-66}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 0.8:\\
\;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -8.8000000000000004e-66

    1. Initial program 49.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 35.3%

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

    if -8.8000000000000004e-66 < i < 0.80000000000000004

    1. Initial program 7.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 84.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r/84.8%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) \]
      2. metadata-eval84.8%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) \]
    5. Simplified84.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    6. Taylor expanded in n around 0 84.8%

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

    if 0.80000000000000004 < i

    1. Initial program 46.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 32.2%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r/32.2%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) \]
      2. metadata-eval32.2%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) \]
    5. Simplified32.2%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    6. Taylor expanded in n around inf 32.6%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*r*32.6%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative32.6%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative32.6%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    8. Simplified32.6%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    9. Taylor expanded in i around inf 32.6%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
    10. Step-by-step derivation
      1. *-commutative32.6%

        \[\leadsto 50 \cdot \color{blue}{\left(n \cdot i\right)} \]
    11. Simplified32.6%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification59.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -8.8 \cdot 10^{-66}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 0.8:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 17: 54.7% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 32:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 32.0) (* n 100.0) (* 50.0 (* i n))))
double code(double i, double n) {
	double tmp;
	if (i <= 32.0) {
		tmp = n * 100.0;
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 32.0d0) then
        tmp = n * 100.0d0
    else
        tmp = 50.0d0 * (i * n)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 32.0) {
		tmp = n * 100.0;
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 32.0:
		tmp = n * 100.0
	else:
		tmp = 50.0 * (i * n)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 32.0)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(50.0 * Float64(i * n));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 32.0)
		tmp = n * 100.0;
	else
		tmp = 50.0 * (i * n);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 32.0], N[(n * 100.0), $MachinePrecision], N[(50.0 * N[(i * n), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 32:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 32

    1. Initial program 22.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 60.3%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative60.3%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified60.3%

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

    if 32 < i

    1. Initial program 45.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 32.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r/32.7%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) \]
      2. metadata-eval32.7%

        \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) \]
    5. Simplified32.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
    6. Taylor expanded in n around inf 33.1%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*r*33.1%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative33.1%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative33.1%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    8. Simplified33.1%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    9. Taylor expanded in i around inf 33.1%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
    10. Step-by-step derivation
      1. *-commutative33.1%

        \[\leadsto 50 \cdot \color{blue}{\left(n \cdot i\right)} \]
    11. Simplified33.1%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification54.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 32:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 18: 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 27.9%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 53.2%

    \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
  4. Step-by-step derivation
    1. associate-*r/53.2%

      \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) \]
    2. metadata-eval53.2%

      \[\leadsto 100 \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) \]
  5. Simplified53.2%

    \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} \]
  6. Taylor expanded in n around 0 3.0%

    \[\leadsto \color{blue}{-50 \cdot i} \]
  7. Step-by-step derivation
    1. *-commutative3.0%

      \[\leadsto \color{blue}{i \cdot -50} \]
  8. Simplified3.0%

    \[\leadsto \color{blue}{i \cdot -50} \]
  9. Final simplification3.0%

    \[\leadsto i \cdot -50 \]
  10. Add Preprocessing

Alternative 19: 48.9% 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 27.9%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 48.0%

    \[\leadsto \color{blue}{100 \cdot n} \]
  4. Step-by-step derivation
    1. *-commutative48.0%

      \[\leadsto \color{blue}{n \cdot 100} \]
  5. Simplified48.0%

    \[\leadsto \color{blue}{n \cdot 100} \]
  6. Final simplification48.0%

    \[\leadsto n \cdot 100 \]
  7. Add Preprocessing

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 2024047 
(FPCore (i n)
  :name "Compound Interest"
  :precision binary64

  :alt
  (* 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))))