Compound Interest

Percentage Accurate: 28.4% → 99.4%
Time: 26.8s
Alternatives: 14
Speedup: 8.7×

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 14 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: 28.4% 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: 99.4% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := t\_0 + -1\\ t_2 := \frac{t\_1}{\frac{i}{n}}\\ \mathbf{if}\;t\_2 \leq -1 \cdot 10^{-51}:\\ \;\;\;\;\frac{t\_0 \cdot 100 + -100}{\frac{i}{n}}\\ \mathbf{elif}\;t\_2 \leq 10^{-263}:\\ \;\;\;\;\frac{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\ \mathbf{elif}\;t\_2 \leq \infty:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{t\_1}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (+ t_0 -1.0)) (t_2 (/ t_1 (/ i n))))
   (if (<= t_2 -1e-51)
     (/ (+ (* t_0 100.0) -100.0) (/ i n))
     (if (<= t_2 1e-263)
       (/ (* 100.0 (expm1 (* n (log1p (/ i n))))) (/ i n))
       (if (<= t_2 INFINITY)
         (* 100.0 (* n (/ t_1 i)))
         (/
          n
          (+ 0.01 (+ (* i -0.005) (* 0.0008333333333333334 (pow i 2.0))))))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = t_0 + -1.0;
	double t_2 = t_1 / (i / n);
	double tmp;
	if (t_2 <= -1e-51) {
		tmp = ((t_0 * 100.0) + -100.0) / (i / n);
	} else if (t_2 <= 1e-263) {
		tmp = (100.0 * expm1((n * log1p((i / n))))) / (i / n);
	} else if (t_2 <= ((double) INFINITY)) {
		tmp = 100.0 * (n * (t_1 / i));
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * pow(i, 2.0))));
	}
	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;
	double t_2 = t_1 / (i / n);
	double tmp;
	if (t_2 <= -1e-51) {
		tmp = ((t_0 * 100.0) + -100.0) / (i / n);
	} else if (t_2 <= 1e-263) {
		tmp = (100.0 * Math.expm1((n * Math.log1p((i / n))))) / (i / n);
	} else if (t_2 <= Double.POSITIVE_INFINITY) {
		tmp = 100.0 * (n * (t_1 / i));
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * Math.pow(i, 2.0))));
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = t_0 + -1.0
	t_2 = t_1 / (i / n)
	tmp = 0
	if t_2 <= -1e-51:
		tmp = ((t_0 * 100.0) + -100.0) / (i / n)
	elif t_2 <= 1e-263:
		tmp = (100.0 * math.expm1((n * math.log1p((i / n))))) / (i / n)
	elif t_2 <= math.inf:
		tmp = 100.0 * (n * (t_1 / i))
	else:
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * math.pow(i, 2.0))))
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(t_0 + -1.0)
	t_2 = Float64(t_1 / Float64(i / n))
	tmp = 0.0
	if (t_2 <= -1e-51)
		tmp = Float64(Float64(Float64(t_0 * 100.0) + -100.0) / Float64(i / n));
	elseif (t_2 <= 1e-263)
		tmp = Float64(Float64(100.0 * expm1(Float64(n * log1p(Float64(i / n))))) / Float64(i / n));
	elseif (t_2 <= Inf)
		tmp = Float64(100.0 * Float64(n * Float64(t_1 / i)));
	else
		tmp = Float64(n / Float64(0.01 + Float64(Float64(i * -0.005) + Float64(0.0008333333333333334 * (i ^ 2.0)))));
	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[(t$95$0 + -1.0), $MachinePrecision]}, Block[{t$95$2 = N[(t$95$1 / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$2, -1e-51], N[(N[(N[(t$95$0 * 100.0), $MachinePrecision] + -100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, 1e-263], N[(N[(100.0 * N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision]), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, Infinity], N[(100.0 * N[(n * N[(t$95$1 / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n / N[(0.01 + N[(N[(i * -0.005), $MachinePrecision] + N[(0.0008333333333333334 * N[Power[i, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := t\_0 + -1\\
t_2 := \frac{t\_1}{\frac{i}{n}}\\
\mathbf{if}\;t\_2 \leq -1 \cdot 10^{-51}:\\
\;\;\;\;\frac{t\_0 \cdot 100 + -100}{\frac{i}{n}}\\

\mathbf{elif}\;t\_2 \leq 10^{-263}:\\
\;\;\;\;\frac{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\

\mathbf{elif}\;t\_2 \leq \infty:\\
\;\;\;\;100 \cdot \left(n \cdot \frac{t\_1}{i}\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\


\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)) < -1e-51

    1. Initial program 99.7%

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

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

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

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

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

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

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

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

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

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

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

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

    if -1e-51 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 1e-263

    1. Initial program 24.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/24.5%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg24.5%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in24.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def24.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval24.5%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified24.5%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef24.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{\frac{i}{n}} \]
      3. distribute-lft-in24.5%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + -1\right)}}{\frac{i}{n}} \]
      4. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-1\right)}\right)}{\frac{i}{n}} \]
      5. sub-neg24.5%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      6. *-commutative24.5%

        \[\leadsto \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{\frac{i}{n}} \]
      7. add-exp-log24.5%

        \[\leadsto \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{\frac{i}{n}} \]
      8. expm1-def24.5%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{\frac{i}{n}} \]
      9. log-pow35.8%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
      10. log1p-udef99.7%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
    6. Applied egg-rr99.7%

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

    if 1e-263 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 99.8%

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def0.0%

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

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified0.0%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 1.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*1.7%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval1.7%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified1.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 99.8%

      \[\leadsto \frac{n}{\color{blue}{0.01 + \left(-0.005 \cdot i + 0.0008333333333333334 \cdot {i}^{2}\right)}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification99.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -1 \cdot 10^{-51}:\\ \;\;\;\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 10^{-263}:\\ \;\;\;\;\frac{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 83.9% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n} + -1\\ t_1 := \frac{t\_0}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq -2 \cdot 10^{-315}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{t\_0}{i}\right)\\ \mathbf{elif}\;t\_1 \leq 0:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;t\_1 \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (+ (pow (+ 1.0 (/ i n)) n) -1.0)) (t_1 (/ t_0 (/ i n))))
   (if (<= t_1 -2e-315)
     (* 100.0 (* n (/ t_0 i)))
     (if (<= t_1 0.0)
       (* 100.0 (* n (/ (expm1 i) i)))
       (if (<= t_1 INFINITY)
         (* t_1 100.0)
         (/
          n
          (+ 0.01 (+ (* i -0.005) (* 0.0008333333333333334 (pow i 2.0))))))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n) + -1.0;
	double t_1 = t_0 / (i / n);
	double tmp;
	if (t_1 <= -2e-315) {
		tmp = 100.0 * (n * (t_0 / i));
	} else if (t_1 <= 0.0) {
		tmp = 100.0 * (n * (expm1(i) / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = t_1 * 100.0;
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * pow(i, 2.0))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = Math.pow((1.0 + (i / n)), n) + -1.0;
	double t_1 = t_0 / (i / n);
	double tmp;
	if (t_1 <= -2e-315) {
		tmp = 100.0 * (n * (t_0 / i));
	} else if (t_1 <= 0.0) {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = t_1 * 100.0;
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * Math.pow(i, 2.0))));
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n) + -1.0
	t_1 = t_0 / (i / n)
	tmp = 0
	if t_1 <= -2e-315:
		tmp = 100.0 * (n * (t_0 / i))
	elif t_1 <= 0.0:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	elif t_1 <= math.inf:
		tmp = t_1 * 100.0
	else:
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * math.pow(i, 2.0))))
	return tmp
function code(i, n)
	t_0 = Float64((Float64(1.0 + Float64(i / n)) ^ n) + -1.0)
	t_1 = Float64(t_0 / Float64(i / n))
	tmp = 0.0
	if (t_1 <= -2e-315)
		tmp = Float64(100.0 * Float64(n * Float64(t_0 / i)));
	elseif (t_1 <= 0.0)
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	elseif (t_1 <= Inf)
		tmp = Float64(t_1 * 100.0);
	else
		tmp = Float64(n / Float64(0.01 + Float64(Float64(i * -0.005) + Float64(0.0008333333333333334 * (i ^ 2.0)))));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision] + -1.0), $MachinePrecision]}, Block[{t$95$1 = N[(t$95$0 / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e-315], N[(100.0 * N[(n * N[(t$95$0 / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 0.0], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(t$95$1 * 100.0), $MachinePrecision], N[(n / N[(0.01 + N[(N[(i * -0.005), $MachinePrecision] + N[(0.0008333333333333334 * N[Power[i, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n} + -1\\
t_1 := \frac{t\_0}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{-315}:\\
\;\;\;\;100 \cdot \left(n \cdot \frac{t\_0}{i}\right)\\

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

\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;t\_1 \cdot 100\\

\mathbf{else}:\\
\;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\


\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)) < -2.0000000019e-315

    1. Initial program 95.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/95.2%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. sub-neg95.2%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot n\right) \]
      3. metadata-eval95.2%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified95.2%

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

    if -2.0000000019e-315 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 0.0

    1. Initial program 22.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/22.2%

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

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified22.2%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 38.2%

      \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{i} - 1}}{i} \cdot n\right) \]
    6. Step-by-step derivation
      1. expm1-def76.1%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified76.1%

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

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

    1. Initial program 96.7%

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

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

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def0.0%

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

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified0.0%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 1.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*1.7%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval1.7%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified1.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 99.8%

      \[\leadsto \frac{n}{\color{blue}{0.01 + \left(-0.005 \cdot i + 0.0008333333333333334 \cdot {i}^{2}\right)}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification82.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -2 \cdot 10^{-315}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 83.9% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq -2 \cdot 10^{-315}:\\ \;\;\;\;\frac{t\_0 \cdot 100 + -100}{\frac{i}{n}}\\ \mathbf{elif}\;t\_1 \leq 0:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;t\_1 \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \end{array} \]
(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-315)
     (/ (+ (* t_0 100.0) -100.0) (/ i n))
     (if (<= t_1 0.0)
       (* 100.0 (* n (/ (expm1 i) i)))
       (if (<= t_1 INFINITY)
         (* t_1 100.0)
         (/
          n
          (+ 0.01 (+ (* i -0.005) (* 0.0008333333333333334 (pow i 2.0))))))))))
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-315) {
		tmp = ((t_0 * 100.0) + -100.0) / (i / n);
	} else if (t_1 <= 0.0) {
		tmp = 100.0 * (n * (expm1(i) / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = t_1 * 100.0;
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * pow(i, 2.0))));
	}
	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-315) {
		tmp = ((t_0 * 100.0) + -100.0) / (i / n);
	} else if (t_1 <= 0.0) {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = t_1 * 100.0;
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * Math.pow(i, 2.0))));
	}
	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-315:
		tmp = ((t_0 * 100.0) + -100.0) / (i / n)
	elif t_1 <= 0.0:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	elif t_1 <= math.inf:
		tmp = t_1 * 100.0
	else:
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * math.pow(i, 2.0))))
	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-315)
		tmp = Float64(Float64(Float64(t_0 * 100.0) + -100.0) / Float64(i / n));
	elseif (t_1 <= 0.0)
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	elseif (t_1 <= Inf)
		tmp = Float64(t_1 * 100.0);
	else
		tmp = Float64(n / Float64(0.01 + Float64(Float64(i * -0.005) + Float64(0.0008333333333333334 * (i ^ 2.0)))));
	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-315], N[(N[(N[(t$95$0 * 100.0), $MachinePrecision] + -100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, 0.0], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(t$95$1 * 100.0), $MachinePrecision], N[(n / N[(0.01 + N[(N[(i * -0.005), $MachinePrecision] + N[(0.0008333333333333334 * N[Power[i, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $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^{-315}:\\
\;\;\;\;\frac{t\_0 \cdot 100 + -100}{\frac{i}{n}}\\

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

\mathbf{elif}\;t\_1 \leq \infty:\\
\;\;\;\;t\_1 \cdot 100\\

\mathbf{else}:\\
\;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\


\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)) < -2.0000000019e-315

    1. Initial program 95.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/95.2%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg95.2%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in95.2%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval95.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval95.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval95.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def95.3%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval95.3%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified95.3%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef95.2%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative95.2%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr95.2%

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

    if -2.0000000019e-315 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 0.0

    1. Initial program 22.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/22.2%

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

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified22.2%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 38.2%

      \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{i} - 1}}{i} \cdot n\right) \]
    6. Step-by-step derivation
      1. expm1-def76.1%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified76.1%

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

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

    1. Initial program 96.7%

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

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

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def0.0%

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

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified0.0%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 1.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*1.7%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval1.7%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified1.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 99.8%

      \[\leadsto \frac{n}{\color{blue}{0.01 + \left(-0.005 \cdot i + 0.0008333333333333334 \cdot {i}^{2}\right)}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification82.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -2 \cdot 10^{-315}:\\ \;\;\;\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 99.4% accurate, 0.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := t\_0 + -1\\ t_2 := \frac{t\_1}{\frac{i}{n}}\\ \mathbf{if}\;t\_2 \leq -1 \cdot 10^{-119}:\\ \;\;\;\;\frac{t\_0 \cdot 100 + -100}{\frac{i}{n}}\\ \mathbf{elif}\;t\_2 \leq 10^{-263}:\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\ \mathbf{elif}\;t\_2 \leq \infty:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{t\_1}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (+ t_0 -1.0)) (t_2 (/ t_1 (/ i n))))
   (if (<= t_2 -1e-119)
     (/ (+ (* t_0 100.0) -100.0) (/ i n))
     (if (<= t_2 1e-263)
       (* 100.0 (/ (expm1 (* n (log1p (/ i n)))) (/ i n)))
       (if (<= t_2 INFINITY)
         (* 100.0 (* n (/ t_1 i)))
         (/
          n
          (+ 0.01 (+ (* i -0.005) (* 0.0008333333333333334 (pow i 2.0))))))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = t_0 + -1.0;
	double t_2 = t_1 / (i / n);
	double tmp;
	if (t_2 <= -1e-119) {
		tmp = ((t_0 * 100.0) + -100.0) / (i / n);
	} else if (t_2 <= 1e-263) {
		tmp = 100.0 * (expm1((n * log1p((i / n)))) / (i / n));
	} else if (t_2 <= ((double) INFINITY)) {
		tmp = 100.0 * (n * (t_1 / i));
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * pow(i, 2.0))));
	}
	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;
	double t_2 = t_1 / (i / n);
	double tmp;
	if (t_2 <= -1e-119) {
		tmp = ((t_0 * 100.0) + -100.0) / (i / n);
	} else if (t_2 <= 1e-263) {
		tmp = 100.0 * (Math.expm1((n * Math.log1p((i / n)))) / (i / n));
	} else if (t_2 <= Double.POSITIVE_INFINITY) {
		tmp = 100.0 * (n * (t_1 / i));
	} else {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * Math.pow(i, 2.0))));
	}
	return tmp;
}
def code(i, n):
	t_0 = math.pow((1.0 + (i / n)), n)
	t_1 = t_0 + -1.0
	t_2 = t_1 / (i / n)
	tmp = 0
	if t_2 <= -1e-119:
		tmp = ((t_0 * 100.0) + -100.0) / (i / n)
	elif t_2 <= 1e-263:
		tmp = 100.0 * (math.expm1((n * math.log1p((i / n)))) / (i / n))
	elif t_2 <= math.inf:
		tmp = 100.0 * (n * (t_1 / i))
	else:
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * math.pow(i, 2.0))))
	return tmp
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(t_0 + -1.0)
	t_2 = Float64(t_1 / Float64(i / n))
	tmp = 0.0
	if (t_2 <= -1e-119)
		tmp = Float64(Float64(Float64(t_0 * 100.0) + -100.0) / Float64(i / n));
	elseif (t_2 <= 1e-263)
		tmp = Float64(100.0 * Float64(expm1(Float64(n * log1p(Float64(i / n)))) / Float64(i / n)));
	elseif (t_2 <= Inf)
		tmp = Float64(100.0 * Float64(n * Float64(t_1 / i)));
	else
		tmp = Float64(n / Float64(0.01 + Float64(Float64(i * -0.005) + Float64(0.0008333333333333334 * (i ^ 2.0)))));
	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[(t$95$0 + -1.0), $MachinePrecision]}, Block[{t$95$2 = N[(t$95$1 / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$2, -1e-119], N[(N[(N[(t$95$0 * 100.0), $MachinePrecision] + -100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, 1e-263], N[(100.0 * N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, Infinity], N[(100.0 * N[(n * N[(t$95$1 / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n / N[(0.01 + N[(N[(i * -0.005), $MachinePrecision] + N[(0.0008333333333333334 * N[Power[i, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := t\_0 + -1\\
t_2 := \frac{t\_1}{\frac{i}{n}}\\
\mathbf{if}\;t\_2 \leq -1 \cdot 10^{-119}:\\
\;\;\;\;\frac{t\_0 \cdot 100 + -100}{\frac{i}{n}}\\

\mathbf{elif}\;t\_2 \leq 10^{-263}:\\
\;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\

\mathbf{elif}\;t\_2 \leq \infty:\\
\;\;\;\;100 \cdot \left(n \cdot \frac{t\_1}{i}\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\


\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)) < -1.00000000000000001e-119

    1. Initial program 99.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    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-in100.0%

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

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

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

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

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

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

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

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

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

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

    if -1.00000000000000001e-119 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 1e-263

    1. Initial program 23.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/23.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. sub-neg23.7%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot n\right) \]
      3. metadata-eval23.7%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified23.7%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval23.7%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-1\right)}}{i} \cdot n\right) \]
      2. sub-neg23.7%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} - 1}}{i} \cdot n\right) \]
      3. associate-/r/23.7%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      4. add-exp-log23.7%

        \[\leadsto 100 \cdot \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{\frac{i}{n}} \]
      5. expm1-def23.7%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{\frac{i}{n}} \]
      6. log-pow35.0%

        \[\leadsto 100 \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{\frac{i}{n}} \]
      7. log1p-udef99.7%

        \[\leadsto 100 \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{\frac{i}{n}} \]
    6. Applied egg-rr99.7%

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

    if 1e-263 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 99.8%

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

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

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

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

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

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

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def0.0%

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

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified0.0%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 1.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*1.7%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg1.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval1.7%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified1.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 99.8%

      \[\leadsto \frac{n}{\color{blue}{0.01 + \left(-0.005 \cdot i + 0.0008333333333333334 \cdot {i}^{2}\right)}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification99.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq -1 \cdot 10^{-119}:\\ \;\;\;\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 10^{-263}:\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 82.4% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.25 \cdot 10^{-238}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 1.3 \cdot 10^{-220}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.2 \cdot 10^{+23}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.25e-238)
   (* 100.0 (* n (/ (expm1 i) i)))
   (if (<= n 1.3e-220)
     0.0
     (if (<= n 1.2e+23)
       (/ n (+ 0.01 (+ (* i -0.005) (* 0.0008333333333333334 (pow i 2.0)))))
       (/ (* (expm1 i) (* n 100.0)) i)))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.25e-238) {
		tmp = 100.0 * (n * (expm1(i) / i));
	} else if (n <= 1.3e-220) {
		tmp = 0.0;
	} else if (n <= 1.2e+23) {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * pow(i, 2.0))));
	} else {
		tmp = (expm1(i) * (n * 100.0)) / i;
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.25e-238) {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	} else if (n <= 1.3e-220) {
		tmp = 0.0;
	} else if (n <= 1.2e+23) {
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * Math.pow(i, 2.0))));
	} else {
		tmp = (Math.expm1(i) * (n * 100.0)) / i;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.25e-238:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	elif n <= 1.3e-220:
		tmp = 0.0
	elif n <= 1.2e+23:
		tmp = n / (0.01 + ((i * -0.005) + (0.0008333333333333334 * math.pow(i, 2.0))))
	else:
		tmp = (math.expm1(i) * (n * 100.0)) / i
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.25e-238)
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	elseif (n <= 1.3e-220)
		tmp = 0.0;
	elseif (n <= 1.2e+23)
		tmp = Float64(n / Float64(0.01 + Float64(Float64(i * -0.005) + Float64(0.0008333333333333334 * (i ^ 2.0)))));
	else
		tmp = Float64(Float64(expm1(i) * Float64(n * 100.0)) / i);
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -1.25e-238], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.3e-220], 0.0, If[LessEqual[n, 1.2e+23], N[(n / N[(0.01 + N[(N[(i * -0.005), $MachinePrecision] + N[(0.0008333333333333334 * N[Power[i, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(Exp[i] - 1), $MachinePrecision] * N[(n * 100.0), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.25 \cdot 10^{-238}:\\
\;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;n \leq 1.3 \cdot 10^{-220}:\\
\;\;\;\;0\\

\mathbf{elif}\;n \leq 1.2 \cdot 10^{+23}:\\
\;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -1.25e-238

    1. Initial program 24.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. sub-neg24.7%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot n\right) \]
      3. metadata-eval24.7%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified24.7%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 31.7%

      \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{i} - 1}}{i} \cdot n\right) \]
    6. Step-by-step derivation
      1. expm1-def78.0%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified78.1%

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

    if -1.25e-238 < n < 1.3e-220

    1. Initial program 71.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/71.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg71.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def71.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval71.7%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified71.7%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative71.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 80.4%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 80.4%

      \[\leadsto \color{blue}{0} \]

    if 1.3e-220 < n < 1.2e23

    1. Initial program 23.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.5%

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in23.4%

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def23.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval23.5%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified23.5%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 6.8%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*6.8%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative6.8%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg6.8%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval6.8%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified6.8%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 75.3%

      \[\leadsto \frac{n}{\color{blue}{0.01 + \left(-0.005 \cdot i + 0.0008333333333333334 \cdot {i}^{2}\right)}} \]

    if 1.2e23 < n

    1. Initial program 17.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. *-commutative17.5%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      2. associate-/r/17.9%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      3. associate-*l*17.9%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      4. sub-neg17.9%

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot \left(n \cdot 100\right) \]
    3. Simplified17.9%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot \left(n \cdot 100\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 44.6%

      \[\leadsto \frac{\color{blue}{e^{i} - 1}}{i} \cdot \left(n \cdot 100\right) \]
    6. Step-by-step derivation
      1. expm1-def95.4%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified95.4%

      \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    8. Step-by-step derivation
      1. associate-*l/95.5%

        \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}} \]
    9. Applied egg-rr95.5%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification82.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.25 \cdot 10^{-238}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 1.3 \cdot 10^{-220}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.2 \cdot 10^{+23}:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + 0.0008333333333333334 \cdot {i}^{2}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 82.8% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.42 \cdot 10^{-238}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 8.6 \cdot 10^{-219}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 2.9:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + {i}^{2} \cdot 0.0025\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.42e-238)
   (* 100.0 (* n (/ (expm1 i) i)))
   (if (<= n 8.6e-219)
     0.0
     (if (<= n 2.9)
       (/ n (+ 0.01 (+ (* i -0.005) (* (pow i 2.0) 0.0025))))
       (/ (* (expm1 i) (* n 100.0)) i)))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.42e-238) {
		tmp = 100.0 * (n * (expm1(i) / i));
	} else if (n <= 8.6e-219) {
		tmp = 0.0;
	} else if (n <= 2.9) {
		tmp = n / (0.01 + ((i * -0.005) + (pow(i, 2.0) * 0.0025)));
	} else {
		tmp = (expm1(i) * (n * 100.0)) / i;
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.42e-238) {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	} else if (n <= 8.6e-219) {
		tmp = 0.0;
	} else if (n <= 2.9) {
		tmp = n / (0.01 + ((i * -0.005) + (Math.pow(i, 2.0) * 0.0025)));
	} else {
		tmp = (Math.expm1(i) * (n * 100.0)) / i;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.42e-238:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	elif n <= 8.6e-219:
		tmp = 0.0
	elif n <= 2.9:
		tmp = n / (0.01 + ((i * -0.005) + (math.pow(i, 2.0) * 0.0025)))
	else:
		tmp = (math.expm1(i) * (n * 100.0)) / i
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.42e-238)
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	elseif (n <= 8.6e-219)
		tmp = 0.0;
	elseif (n <= 2.9)
		tmp = Float64(n / Float64(0.01 + Float64(Float64(i * -0.005) + Float64((i ^ 2.0) * 0.0025))));
	else
		tmp = Float64(Float64(expm1(i) * Float64(n * 100.0)) / i);
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -1.42e-238], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 8.6e-219], 0.0, If[LessEqual[n, 2.9], N[(n / N[(0.01 + N[(N[(i * -0.005), $MachinePrecision] + N[(N[Power[i, 2.0], $MachinePrecision] * 0.0025), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(N[(Exp[i] - 1), $MachinePrecision] * N[(n * 100.0), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.42 \cdot 10^{-238}:\\
\;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;n \leq 8.6 \cdot 10^{-219}:\\
\;\;\;\;0\\

\mathbf{elif}\;n \leq 2.9:\\
\;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + {i}^{2} \cdot 0.0025\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -1.4199999999999999e-238

    1. Initial program 24.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. sub-neg24.7%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot n\right) \]
      3. metadata-eval24.7%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified24.7%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 31.7%

      \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{i} - 1}}{i} \cdot n\right) \]
    6. Step-by-step derivation
      1. expm1-def78.0%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified78.1%

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

    if -1.4199999999999999e-238 < n < 8.6000000000000005e-219

    1. Initial program 71.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/71.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg71.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def71.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval71.7%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified71.7%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative71.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 80.4%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 80.4%

      \[\leadsto \color{blue}{0} \]

    if 8.6000000000000005e-219 < n < 2.89999999999999991

    1. Initial program 23.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg23.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in23.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def23.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval23.6%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified23.6%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 5.4%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*5.4%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative5.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg5.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval5.4%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified5.4%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 40.2%

      \[\leadsto \frac{n}{\frac{i}{\color{blue}{50 \cdot {i}^{2} + 100 \cdot i}}} \]
    9. Taylor expanded in i around 0 74.8%

      \[\leadsto \frac{n}{\color{blue}{0.01 + \left(-0.005 \cdot i + 0.0025 \cdot {i}^{2}\right)}} \]

    if 2.89999999999999991 < n

    1. Initial program 17.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. *-commutative17.8%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      2. associate-/r/18.2%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      3. associate-*l*18.2%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot \left(n \cdot 100\right) \]
    3. Simplified18.2%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot \left(n \cdot 100\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 42.9%

      \[\leadsto \frac{\color{blue}{e^{i} - 1}}{i} \cdot \left(n \cdot 100\right) \]
    6. Step-by-step derivation
      1. expm1-def94.3%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified94.3%

      \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    8. Step-by-step derivation
      1. associate-*l/94.4%

        \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}} \]
    9. Applied egg-rr94.4%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification82.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.42 \cdot 10^{-238}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 8.6 \cdot 10^{-219}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 2.9:\\ \;\;\;\;\frac{n}{0.01 + \left(i \cdot -0.005 + {i}^{2} \cdot 0.0025\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 81.6% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{if}\;n \leq -1.18 \cdot 10^{-237}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq 3.6 \cdot 10^{-220}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.7:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (* 100.0 (* n (/ (expm1 i) i)))))
   (if (<= n -1.18e-237)
     t_0
     (if (<= n 3.6e-220) 0.0 (if (<= n 1.7) (/ (* i 100.0) (/ i n)) t_0)))))
double code(double i, double n) {
	double t_0 = 100.0 * (n * (expm1(i) / i));
	double tmp;
	if (n <= -1.18e-237) {
		tmp = t_0;
	} else if (n <= 3.6e-220) {
		tmp = 0.0;
	} else if (n <= 1.7) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = t_0;
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = 100.0 * (n * (Math.expm1(i) / i));
	double tmp;
	if (n <= -1.18e-237) {
		tmp = t_0;
	} else if (n <= 3.6e-220) {
		tmp = 0.0;
	} else if (n <= 1.7) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = t_0;
	}
	return tmp;
}
def code(i, n):
	t_0 = 100.0 * (n * (math.expm1(i) / i))
	tmp = 0
	if n <= -1.18e-237:
		tmp = t_0
	elif n <= 3.6e-220:
		tmp = 0.0
	elif n <= 1.7:
		tmp = (i * 100.0) / (i / n)
	else:
		tmp = t_0
	return tmp
function code(i, n)
	t_0 = Float64(100.0 * Float64(n * Float64(expm1(i) / i)))
	tmp = 0.0
	if (n <= -1.18e-237)
		tmp = t_0;
	elseif (n <= 3.6e-220)
		tmp = 0.0;
	elseif (n <= 1.7)
		tmp = Float64(Float64(i * 100.0) / Float64(i / n));
	else
		tmp = t_0;
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -1.18e-237], t$95$0, If[LessEqual[n, 3.6e-220], 0.0, If[LessEqual[n, 1.7], N[(N[(i * 100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], t$95$0]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\
\mathbf{if}\;n \leq -1.18 \cdot 10^{-237}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq 3.6 \cdot 10^{-220}:\\
\;\;\;\;0\\

\mathbf{elif}\;n \leq 1.7:\\
\;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;t\_0\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.18e-237 or 1.69999999999999996 < n

    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/22.2%

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

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified22.2%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 36.1%

      \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{i} - 1}}{i} \cdot n\right) \]
    6. Step-by-step derivation
      1. expm1-def84.4%

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

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

    if -1.18e-237 < n < 3.60000000000000021e-220

    1. Initial program 71.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/71.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg71.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def71.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval71.7%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified71.7%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative71.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 80.4%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 80.4%

      \[\leadsto \color{blue}{0} \]

    if 3.60000000000000021e-220 < n < 1.69999999999999996

    1. Initial program 23.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg23.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in23.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def23.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval23.6%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified23.6%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 66.7%

      \[\leadsto \frac{\color{blue}{100 \cdot i}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative66.7%

        \[\leadsto \frac{\color{blue}{i \cdot 100}}{\frac{i}{n}} \]
    7. Simplified66.7%

      \[\leadsto \frac{\color{blue}{i \cdot 100}}{\frac{i}{n}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification80.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.18 \cdot 10^{-237}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 3.6 \cdot 10^{-220}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.7:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 81.6% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.08 \cdot 10^{-238}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 4.5 \cdot 10^{-218}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.75:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.08e-238)
   (* 100.0 (* n (/ (expm1 i) i)))
   (if (<= n 4.5e-218)
     0.0
     (if (<= n 1.75)
       (/ (* i 100.0) (/ i n))
       (* 100.0 (/ n (/ i (expm1 i))))))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.08e-238) {
		tmp = 100.0 * (n * (expm1(i) / i));
	} else if (n <= 4.5e-218) {
		tmp = 0.0;
	} else if (n <= 1.75) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = 100.0 * (n / (i / expm1(i)));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.08e-238) {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	} else if (n <= 4.5e-218) {
		tmp = 0.0;
	} else if (n <= 1.75) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = 100.0 * (n / (i / Math.expm1(i)));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.08e-238:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	elif n <= 4.5e-218:
		tmp = 0.0
	elif n <= 1.75:
		tmp = (i * 100.0) / (i / n)
	else:
		tmp = 100.0 * (n / (i / math.expm1(i)))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.08e-238)
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	elseif (n <= 4.5e-218)
		tmp = 0.0;
	elseif (n <= 1.75)
		tmp = Float64(Float64(i * 100.0) / Float64(i / n));
	else
		tmp = Float64(100.0 * Float64(n / Float64(i / expm1(i))));
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -1.08e-238], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 4.5e-218], 0.0, If[LessEqual[n, 1.75], N[(N[(i * 100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(n / N[(i / N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.08 \cdot 10^{-238}:\\
\;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;n \leq 4.5 \cdot 10^{-218}:\\
\;\;\;\;0\\

\mathbf{elif}\;n \leq 1.75:\\
\;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -1.08e-238

    1. Initial program 24.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. sub-neg24.7%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot n\right) \]
      3. metadata-eval24.7%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified24.7%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 31.7%

      \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{i} - 1}}{i} \cdot n\right) \]
    6. Step-by-step derivation
      1. expm1-def78.0%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified78.1%

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

    if -1.08e-238 < n < 4.49999999999999977e-218

    1. Initial program 71.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/71.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg71.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def71.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval71.7%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified71.7%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative71.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 80.4%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 80.4%

      \[\leadsto \color{blue}{0} \]

    if 4.49999999999999977e-218 < n < 1.75

    1. Initial program 23.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg23.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in23.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def23.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval23.6%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified23.6%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 66.7%

      \[\leadsto \frac{\color{blue}{100 \cdot i}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative66.7%

        \[\leadsto \frac{\color{blue}{i \cdot 100}}{\frac{i}{n}} \]
    7. Simplified66.7%

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

    if 1.75 < n

    1. Initial program 17.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/18.2%

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

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified18.2%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 43.0%

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*43.0%

        \[\leadsto 100 \cdot \color{blue}{\frac{n}{\frac{i}{e^{i} - 1}}} \]
      2. expm1-def94.4%

        \[\leadsto 100 \cdot \frac{n}{\frac{i}{\color{blue}{\mathsf{expm1}\left(i\right)}}} \]
    7. Simplified94.4%

      \[\leadsto \color{blue}{100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification80.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.08 \cdot 10^{-238}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 4.5 \cdot 10^{-218}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.75:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 81.5% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -2.3 \cdot 10^{-241}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 1.7 \cdot 10^{-218}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.9:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -2.3e-241)
   (* 100.0 (* n (/ (expm1 i) i)))
   (if (<= n 1.7e-218)
     0.0
     (if (<= n 1.9) (/ (* i 100.0) (/ i n)) (/ (* (expm1 i) (* n 100.0)) i)))))
double code(double i, double n) {
	double tmp;
	if (n <= -2.3e-241) {
		tmp = 100.0 * (n * (expm1(i) / i));
	} else if (n <= 1.7e-218) {
		tmp = 0.0;
	} else if (n <= 1.9) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = (expm1(i) * (n * 100.0)) / i;
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -2.3e-241) {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	} else if (n <= 1.7e-218) {
		tmp = 0.0;
	} else if (n <= 1.9) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = (Math.expm1(i) * (n * 100.0)) / i;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -2.3e-241:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	elif n <= 1.7e-218:
		tmp = 0.0
	elif n <= 1.9:
		tmp = (i * 100.0) / (i / n)
	else:
		tmp = (math.expm1(i) * (n * 100.0)) / i
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -2.3e-241)
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	elseif (n <= 1.7e-218)
		tmp = 0.0;
	elseif (n <= 1.9)
		tmp = Float64(Float64(i * 100.0) / Float64(i / n));
	else
		tmp = Float64(Float64(expm1(i) * Float64(n * 100.0)) / i);
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -2.3e-241], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.7e-218], 0.0, If[LessEqual[n, 1.9], N[(N[(i * 100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(N[(N[(Exp[i] - 1), $MachinePrecision] * N[(n * 100.0), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -2.3 \cdot 10^{-241}:\\
\;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

\mathbf{elif}\;n \leq 1.7 \cdot 10^{-218}:\\
\;\;\;\;0\\

\mathbf{elif}\;n \leq 1.9:\\
\;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -2.2999999999999999e-241

    1. Initial program 24.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. sub-neg24.7%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot n\right) \]
      3. metadata-eval24.7%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified24.7%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 31.7%

      \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{i} - 1}}{i} \cdot n\right) \]
    6. Step-by-step derivation
      1. expm1-def78.0%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified78.1%

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

    if -2.2999999999999999e-241 < n < 1.69999999999999993e-218

    1. Initial program 71.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/71.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg71.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def71.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval71.7%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified71.7%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative71.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 80.4%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 80.4%

      \[\leadsto \color{blue}{0} \]

    if 1.69999999999999993e-218 < n < 1.8999999999999999

    1. Initial program 23.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg23.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in23.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def23.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval23.6%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified23.6%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 66.7%

      \[\leadsto \frac{\color{blue}{100 \cdot i}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative66.7%

        \[\leadsto \frac{\color{blue}{i \cdot 100}}{\frac{i}{n}} \]
    7. Simplified66.7%

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

    if 1.8999999999999999 < n

    1. Initial program 17.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. *-commutative17.8%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      2. associate-/r/18.2%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      3. associate-*l*18.2%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot \left(n \cdot 100\right) \]
    3. Simplified18.2%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot \left(n \cdot 100\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 42.9%

      \[\leadsto \frac{\color{blue}{e^{i} - 1}}{i} \cdot \left(n \cdot 100\right) \]
    6. Step-by-step derivation
      1. expm1-def94.3%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified94.3%

      \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    8. Step-by-step derivation
      1. associate-*l/94.4%

        \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}} \]
    9. Applied egg-rr94.4%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification80.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -2.3 \cdot 10^{-241}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{elif}\;n \leq 1.7 \cdot 10^{-218}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.9:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(i\right) \cdot \left(n \cdot 100\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 65.9% accurate, 5.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{n}{0.01 + i \cdot -0.005}\\ \mathbf{if}\;n \leq -9 \cdot 10^{-238}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq 8.6 \cdot 10^{-218}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.85 \cdot 10^{+24}:\\ \;\;\;\;t\_0\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (/ n (+ 0.01 (* i -0.005)))))
   (if (<= n -9e-238)
     t_0
     (if (<= n 8.6e-218)
       0.0
       (if (<= n 1.85e+24) t_0 (* n (+ 100.0 (* i 50.0))))))))
double code(double i, double n) {
	double t_0 = n / (0.01 + (i * -0.005));
	double tmp;
	if (n <= -9e-238) {
		tmp = t_0;
	} else if (n <= 8.6e-218) {
		tmp = 0.0;
	} else if (n <= 1.85e+24) {
		tmp = t_0;
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: t_0
    real(8) :: tmp
    t_0 = n / (0.01d0 + (i * (-0.005d0)))
    if (n <= (-9d-238)) then
        tmp = t_0
    else if (n <= 8.6d-218) then
        tmp = 0.0d0
    else if (n <= 1.85d+24) then
        tmp = t_0
    else
        tmp = n * (100.0d0 + (i * 50.0d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double t_0 = n / (0.01 + (i * -0.005));
	double tmp;
	if (n <= -9e-238) {
		tmp = t_0;
	} else if (n <= 8.6e-218) {
		tmp = 0.0;
	} else if (n <= 1.85e+24) {
		tmp = t_0;
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	t_0 = n / (0.01 + (i * -0.005))
	tmp = 0
	if n <= -9e-238:
		tmp = t_0
	elif n <= 8.6e-218:
		tmp = 0.0
	elif n <= 1.85e+24:
		tmp = t_0
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	t_0 = Float64(n / Float64(0.01 + Float64(i * -0.005)))
	tmp = 0.0
	if (n <= -9e-238)
		tmp = t_0;
	elseif (n <= 8.6e-218)
		tmp = 0.0;
	elseif (n <= 1.85e+24)
		tmp = t_0;
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	t_0 = n / (0.01 + (i * -0.005));
	tmp = 0.0;
	if (n <= -9e-238)
		tmp = t_0;
	elseif (n <= 8.6e-218)
		tmp = 0.0;
	elseif (n <= 1.85e+24)
		tmp = t_0;
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := Block[{t$95$0 = N[(n / N[(0.01 + N[(i * -0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -9e-238], t$95$0, If[LessEqual[n, 8.6e-218], 0.0, If[LessEqual[n, 1.85e+24], t$95$0, N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{n}{0.01 + i \cdot -0.005}\\
\mathbf{if}\;n \leq -9 \cdot 10^{-238}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq 8.6 \cdot 10^{-218}:\\
\;\;\;\;0\\

\mathbf{elif}\;n \leq 1.85 \cdot 10^{+24}:\\
\;\;\;\;t\_0\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -8.99999999999999992e-238 or 8.6e-218 < n < 1.85e24

    1. Initial program 24.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/24.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg24.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in24.6%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval24.6%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval24.6%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval24.6%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def24.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval24.6%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified24.6%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 24.6%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*24.5%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative24.5%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg24.6%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval24.6%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified24.6%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 62.0%

      \[\leadsto \frac{n}{\color{blue}{0.01 + -0.005 \cdot i}} \]
    9. Step-by-step derivation
      1. *-commutative62.0%

        \[\leadsto \frac{n}{0.01 + \color{blue}{i \cdot -0.005}} \]
    10. Simplified62.0%

      \[\leadsto \frac{n}{\color{blue}{0.01 + i \cdot -0.005}} \]

    if -8.99999999999999992e-238 < n < 8.6e-218

    1. Initial program 71.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/71.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg71.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def71.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval71.7%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified71.7%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative71.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 80.4%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 80.4%

      \[\leadsto \color{blue}{0} \]

    if 1.85e24 < n

    1. Initial program 16.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. *-commutative16.2%

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

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

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      4. sub-neg16.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot \left(n \cdot 100\right) \]
      5. metadata-eval16.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot \left(n \cdot 100\right) \]
    3. Simplified16.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot \left(n \cdot 100\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 43.8%

      \[\leadsto \frac{\color{blue}{e^{i} - 1}}{i} \cdot \left(n \cdot 100\right) \]
    6. Step-by-step derivation
      1. expm1-def95.3%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified95.3%

      \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    8. Taylor expanded in i around 0 75.1%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    9. Step-by-step derivation
      1. +-commutative75.1%

        \[\leadsto \color{blue}{100 \cdot n + 50 \cdot \left(i \cdot n\right)} \]
      2. associate-*r*75.1%

        \[\leadsto 100 \cdot n + \color{blue}{\left(50 \cdot i\right) \cdot n} \]
      3. distribute-rgt-out75.1%

        \[\leadsto \color{blue}{n \cdot \left(100 + 50 \cdot i\right)} \]
    10. Simplified75.1%

      \[\leadsto \color{blue}{n \cdot \left(100 + 50 \cdot i\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification67.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -9 \cdot 10^{-238}:\\ \;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\ \mathbf{elif}\;n \leq 8.6 \cdot 10^{-218}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 1.85 \cdot 10^{+24}:\\ \;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 65.9% accurate, 5.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.12 \cdot 10^{-243}:\\ \;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\ \mathbf{elif}\;n \leq 1.1 \cdot 10^{-219}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 0.5:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.12e-243)
   (/ n (+ 0.01 (* i -0.005)))
   (if (<= n 1.1e-219)
     0.0
     (if (<= n 0.5) (/ (* i 100.0) (/ i n)) (* n (+ 100.0 (* i 50.0)))))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.12e-243) {
		tmp = n / (0.01 + (i * -0.005));
	} else if (n <= 1.1e-219) {
		tmp = 0.0;
	} else if (n <= 0.5) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1.12d-243)) then
        tmp = n / (0.01d0 + (i * (-0.005d0)))
    else if (n <= 1.1d-219) then
        tmp = 0.0d0
    else if (n <= 0.5d0) then
        tmp = (i * 100.0d0) / (i / n)
    else
        tmp = n * (100.0d0 + (i * 50.0d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.12e-243) {
		tmp = n / (0.01 + (i * -0.005));
	} else if (n <= 1.1e-219) {
		tmp = 0.0;
	} else if (n <= 0.5) {
		tmp = (i * 100.0) / (i / n);
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.12e-243:
		tmp = n / (0.01 + (i * -0.005))
	elif n <= 1.1e-219:
		tmp = 0.0
	elif n <= 0.5:
		tmp = (i * 100.0) / (i / n)
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.12e-243)
		tmp = Float64(n / Float64(0.01 + Float64(i * -0.005)));
	elseif (n <= 1.1e-219)
		tmp = 0.0;
	elseif (n <= 0.5)
		tmp = Float64(Float64(i * 100.0) / Float64(i / n));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1.12e-243)
		tmp = n / (0.01 + (i * -0.005));
	elseif (n <= 1.1e-219)
		tmp = 0.0;
	elseif (n <= 0.5)
		tmp = (i * 100.0) / (i / n);
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1.12e-243], N[(n / N[(0.01 + N[(i * -0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.1e-219], 0.0, If[LessEqual[n, 0.5], N[(N[(i * 100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.12 \cdot 10^{-243}:\\
\;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\

\mathbf{elif}\;n \leq 1.1 \cdot 10^{-219}:\\
\;\;\;\;0\\

\mathbf{elif}\;n \leq 0.5:\\
\;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -1.12000000000000005e-243

    1. Initial program 24.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/24.5%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg24.5%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in24.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval24.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def24.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval24.5%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified24.5%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 31.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. associate-/l*31.6%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot e^{i} - 100}}} \]
      2. *-commutative31.6%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{e^{i} \cdot 100} - 100}} \]
      3. fma-neg31.6%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
      4. metadata-eval31.6%

        \[\leadsto \frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, \color{blue}{-100}\right)}} \]
    7. Simplified31.6%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(e^{i}, 100, -100\right)}}} \]
    8. Taylor expanded in i around 0 60.2%

      \[\leadsto \frac{n}{\color{blue}{0.01 + -0.005 \cdot i}} \]
    9. Step-by-step derivation
      1. *-commutative60.2%

        \[\leadsto \frac{n}{0.01 + \color{blue}{i \cdot -0.005}} \]
    10. Simplified60.2%

      \[\leadsto \frac{n}{\color{blue}{0.01 + i \cdot -0.005}} \]

    if -1.12000000000000005e-243 < n < 1.1e-219

    1. Initial program 71.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/71.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg71.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval71.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def71.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval71.7%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified71.7%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef71.7%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative71.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr71.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 80.4%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 80.4%

      \[\leadsto \color{blue}{0} \]

    if 1.1e-219 < n < 0.5

    1. Initial program 23.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg23.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in23.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval23.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def23.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval23.6%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified23.6%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 66.7%

      \[\leadsto \frac{\color{blue}{100 \cdot i}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative66.7%

        \[\leadsto \frac{\color{blue}{i \cdot 100}}{\frac{i}{n}} \]
    7. Simplified66.7%

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

    if 0.5 < n

    1. Initial program 17.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. *-commutative17.8%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      2. associate-/r/18.2%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      3. associate-*l*18.2%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot \left(n \cdot 100\right) \]
    3. Simplified18.2%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot \left(n \cdot 100\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 42.9%

      \[\leadsto \frac{\color{blue}{e^{i} - 1}}{i} \cdot \left(n \cdot 100\right) \]
    6. Step-by-step derivation
      1. expm1-def94.3%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified94.3%

      \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    8. Taylor expanded in i around 0 73.9%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    9. Step-by-step derivation
      1. +-commutative73.9%

        \[\leadsto \color{blue}{100 \cdot n + 50 \cdot \left(i \cdot n\right)} \]
      2. associate-*r*73.9%

        \[\leadsto 100 \cdot n + \color{blue}{\left(50 \cdot i\right) \cdot n} \]
      3. distribute-rgt-out73.9%

        \[\leadsto \color{blue}{n \cdot \left(100 + 50 \cdot i\right)} \]
    10. Simplified73.9%

      \[\leadsto \color{blue}{n \cdot \left(100 + 50 \cdot i\right)} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification67.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.12 \cdot 10^{-243}:\\ \;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\ \mathbf{elif}\;n \leq 1.1 \cdot 10^{-219}:\\ \;\;\;\;0\\ \mathbf{elif}\;n \leq 0.5:\\ \;\;\;\;\frac{i \cdot 100}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 61.3% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.7 \cdot 10^{-169} \lor \neg \left(n \leq 4.6 \cdot 10^{-42}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;0\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -3.7e-169) (not (<= n 4.6e-42)))
   (* n (+ 100.0 (* i 50.0)))
   0.0))
double code(double i, double n) {
	double tmp;
	if ((n <= -3.7e-169) || !(n <= 4.6e-42)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 0.0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-3.7d-169)) .or. (.not. (n <= 4.6d-42))) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else
        tmp = 0.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -3.7e-169) || !(n <= 4.6e-42)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 0.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -3.7e-169) or not (n <= 4.6e-42):
		tmp = n * (100.0 + (i * 50.0))
	else:
		tmp = 0.0
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -3.7e-169) || !(n <= 4.6e-42))
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	else
		tmp = 0.0;
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -3.7e-169) || ~((n <= 4.6e-42)))
		tmp = n * (100.0 + (i * 50.0));
	else
		tmp = 0.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -3.7e-169], N[Not[LessEqual[n, 4.6e-42]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 0.0]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.7 \cdot 10^{-169} \lor \neg \left(n \leq 4.6 \cdot 10^{-42}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

\mathbf{else}:\\
\;\;\;\;0\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -3.6999999999999997e-169 or 4.60000000000000008e-42 < n

    1. Initial program 19.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. *-commutative19.3%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      2. associate-/r/19.7%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      3. associate-*l*19.7%

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

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot \left(n \cdot 100\right) \]
      5. metadata-eval19.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot \left(n \cdot 100\right) \]
    3. Simplified19.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot \left(n \cdot 100\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 34.8%

      \[\leadsto \frac{\color{blue}{e^{i} - 1}}{i} \cdot \left(n \cdot 100\right) \]
    6. Step-by-step derivation
      1. expm1-def85.6%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    7. Simplified85.6%

      \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i} \cdot \left(n \cdot 100\right) \]
    8. Taylor expanded in i around 0 64.6%

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

        \[\leadsto \color{blue}{100 \cdot n + 50 \cdot \left(i \cdot n\right)} \]
      2. associate-*r*64.6%

        \[\leadsto 100 \cdot n + \color{blue}{\left(50 \cdot i\right) \cdot n} \]
      3. distribute-rgt-out64.6%

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

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

    if -3.6999999999999997e-169 < n < 4.60000000000000008e-42

    1. Initial program 42.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/42.5%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg42.5%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in42.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval42.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval42.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval42.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def42.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval42.5%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified42.5%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef42.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative42.5%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr42.5%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 59.8%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 59.8%

      \[\leadsto \color{blue}{0} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification63.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.7 \cdot 10^{-169} \lor \neg \left(n \leq 4.6 \cdot 10^{-42}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;0\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 60.5% accurate, 8.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -165000000000:\\ \;\;\;\;0\\ \mathbf{elif}\;i \leq 140000000000:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;0\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -165000000000.0) 0.0 (if (<= i 140000000000.0) (* n 100.0) 0.0)))
double code(double i, double n) {
	double tmp;
	if (i <= -165000000000.0) {
		tmp = 0.0;
	} else if (i <= 140000000000.0) {
		tmp = n * 100.0;
	} else {
		tmp = 0.0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-165000000000.0d0)) then
        tmp = 0.0d0
    else if (i <= 140000000000.0d0) then
        tmp = n * 100.0d0
    else
        tmp = 0.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -165000000000.0) {
		tmp = 0.0;
	} else if (i <= 140000000000.0) {
		tmp = n * 100.0;
	} else {
		tmp = 0.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -165000000000.0:
		tmp = 0.0
	elif i <= 140000000000.0:
		tmp = n * 100.0
	else:
		tmp = 0.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -165000000000.0)
		tmp = 0.0;
	elseif (i <= 140000000000.0)
		tmp = Float64(n * 100.0);
	else
		tmp = 0.0;
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -165000000000.0)
		tmp = 0.0;
	elseif (i <= 140000000000.0)
		tmp = n * 100.0;
	else
		tmp = 0.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -165000000000.0], 0.0, If[LessEqual[i, 140000000000.0], N[(n * 100.0), $MachinePrecision], 0.0]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -165000000000:\\
\;\;\;\;0\\

\mathbf{elif}\;i \leq 140000000000:\\
\;\;\;\;n \cdot 100\\

\mathbf{else}:\\
\;\;\;\;0\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -1.65e11 or 1.4e11 < i

    1. Initial program 48.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/48.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg48.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in48.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval48.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval48.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. metadata-eval48.8%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-def48.8%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      8. metadata-eval48.8%

        \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
    3. Simplified48.8%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-udef48.8%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
      2. *-commutative48.8%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
    6. Applied egg-rr48.8%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
    7. Taylor expanded in i around 0 36.9%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 36.9%

      \[\leadsto \color{blue}{0} \]

    if -1.65e11 < i < 1.4e11

    1. Initial program 11.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/11.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. sub-neg11.9%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{i} \cdot n\right) \]
      3. metadata-eval11.9%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{i} \cdot n\right) \]
    3. Simplified11.9%

      \[\leadsto \color{blue}{100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{i} \cdot n\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 78.2%

      \[\leadsto \color{blue}{100 \cdot n} \]
    6. Step-by-step derivation
      1. *-commutative78.2%

        \[\leadsto \color{blue}{n \cdot 100} \]
    7. Simplified78.2%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -165000000000:\\ \;\;\;\;0\\ \mathbf{elif}\;i \leq 140000000000:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;0\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 19.0% accurate, 114.0× speedup?

\[\begin{array}{l} \\ 0 \end{array} \]
(FPCore (i n) :precision binary64 0.0)
double code(double i, double n) {
	return 0.0;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = 0.0d0
end function
public static double code(double i, double n) {
	return 0.0;
}
def code(i, n):
	return 0.0
function code(i, n)
	return 0.0
end
function tmp = code(i, n)
	tmp = 0.0;
end
code[i_, n_] := 0.0
\begin{array}{l}

\\
0
\end{array}
Derivation
  1. Initial program 26.7%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Step-by-step derivation
    1. associate-*r/26.7%

      \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
    2. sub-neg26.7%

      \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
    3. distribute-lft-in26.7%

      \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
    4. metadata-eval26.7%

      \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
    5. metadata-eval26.7%

      \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
    6. metadata-eval26.7%

      \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
    7. fma-def26.7%

      \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
    8. metadata-eval26.7%

      \[\leadsto \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{\frac{i}{n}} \]
  3. Simplified26.7%

    \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. fma-udef26.7%

      \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{\frac{i}{n}} \]
    2. *-commutative26.7%

      \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{\frac{i}{n}} \]
  6. Applied egg-rr26.7%

    \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}}{\frac{i}{n}} \]
  7. Taylor expanded in i around 0 21.8%

    \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
  8. Taylor expanded in i around 0 22.0%

    \[\leadsto \color{blue}{0} \]
  9. Final simplification22.0%

    \[\leadsto 0 \]
  10. Add Preprocessing

Developer target: 33.0% 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 2024036 
(FPCore (i n)
  :name "Compound Interest"
  :precision binary64

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

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