Compound Interest

Percentage Accurate: 28.2% → 98.0%
Time: 31.5s
Alternatives: 18
Speedup: 38.0×

Specification

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

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

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 18 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: 28.2% 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: 98.0% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq 0:\\ \;\;\;\;\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{\frac{i}{n}}\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;100 \cdot \frac{n \cdot t\_0 - n}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \end{array} \end{array} \]
(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 0.0)
     (/ (* (expm1 (* n (log1p (/ i n)))) 100.0) (/ i n))
     (if (<= t_1 INFINITY)
       (* 100.0 (/ (- (* n t_0) n) i))
       (* n (pow (+ 0.01 (* (* i 0.01) (+ (/ 0.5 n) -0.5))) -1.0))))))
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 <= 0.0) {
		tmp = (expm1((n * log1p((i / n)))) * 100.0) / (i / n);
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = 100.0 * (((n * t_0) - n) / i);
	} else {
		tmp = n * pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	}
	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 <= 0.0) {
		tmp = (Math.expm1((n * Math.log1p((i / n)))) * 100.0) / (i / n);
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = 100.0 * (((n * t_0) - n) / i);
	} else {
		tmp = n * Math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	}
	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 <= 0.0:
		tmp = (math.expm1((n * math.log1p((i / n)))) * 100.0) / (i / n)
	elif t_1 <= math.inf:
		tmp = 100.0 * (((n * t_0) - n) / i)
	else:
		tmp = n * math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0)
	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 <= 0.0)
		tmp = Float64(Float64(expm1(Float64(n * log1p(Float64(i / n)))) * 100.0) / Float64(i / n));
	elseif (t_1 <= Inf)
		tmp = Float64(100.0 * Float64(Float64(Float64(n * t_0) - n) / i));
	else
		tmp = Float64(n * (Float64(0.01 + Float64(Float64(i * 0.01) * Float64(Float64(0.5 / n) + -0.5))) ^ -1.0));
	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, 0.0], N[(N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * 100.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(100.0 * N[(N[(N[(n * t$95$0), $MachinePrecision] - n), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(n * N[Power[N[(0.01 + N[(N[(i * 0.01), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], -1.0], $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 0:\\
\;\;\;\;\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{\frac{i}{n}}\\

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

\mathbf{else}:\\
\;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\


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

    1. Initial program 25.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. associate-*r/25.5%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. *-commutative25.5%

        \[\leadsto \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{\frac{i}{n}} \]
      3. add-exp-log25.5%

        \[\leadsto \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{\frac{i}{n}} \]
      4. expm1-define25.5%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{\frac{i}{n}} \]
      5. log-pow36.3%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
      6. log1p-define98.5%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{\frac{i}{n}} \]
    4. Applied egg-rr98.5%

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

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

    1. Initial program 95.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub95.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. div-inv95.7%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} - \frac{1}{\frac{i}{n}}\right) \]
      3. clear-num95.6%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} - \frac{1}{\frac{i}{n}}\right) \]
      4. clear-num95.9%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \color{blue}{\frac{n}{i}}\right) \]
    4. Applied egg-rr95.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    5. Step-by-step derivation
      1. associate-*r/95.9%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div96.5%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative96.5%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    6. Applied egg-rr96.5%

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

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

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add00.0%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative0.0%

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

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num0.0%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*0.0%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log0.0%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define0.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow0.0%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define0.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr0.0%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add00.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative0.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*0.0%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative0.0%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/1.9%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/1.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*1.8%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified1.8%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Step-by-step derivation
      1. clear-num1.8%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{1}{\frac{i}{100}}}\right) \]
      2. un-div-inv1.9%

        \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{100}}} \]
      3. div-inv1.9%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\color{blue}{i \cdot \frac{1}{100}}} \]
      4. metadata-eval1.9%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot \color{blue}{0.01}} \]
    8. Applied egg-rr1.9%

      \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot 0.01}} \]
    9. Step-by-step derivation
      1. clear-num1.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      2. inv-pow1.9%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    10. Applied egg-rr1.9%

      \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    11. Taylor expanded in i around 0 100.0%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)\right)}}^{-1} \]
    12. Step-by-step derivation
      1. associate-*r*100.0%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(0.01 \cdot i\right) \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}\right)}^{-1} \]
      2. *-commutative100.0%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(i \cdot 0.01\right)} \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}^{-1} \]
      3. sub-neg100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)}^{-1} \]
      4. associate-*r/100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)}^{-1} \]
      5. metadata-eval100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)}^{-1} \]
      6. metadata-eval100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)}^{-1} \]
    13. Simplified100.0%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}}^{-1} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification98.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;100 \cdot \frac{n \cdot {\left(1 + \frac{i}{n}\right)}^{n} - n}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 97.2% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq 0:\\ \;\;\;\;n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;100 \cdot \frac{n \cdot t\_0 - n}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \end{array} \end{array} \]
(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 0.0)
     (* n (* (expm1 (* n (log1p (/ i n)))) (/ 100.0 i)))
     (if (<= t_1 INFINITY)
       (* 100.0 (/ (- (* n t_0) n) i))
       (* n (pow (+ 0.01 (* (* i 0.01) (+ (/ 0.5 n) -0.5))) -1.0))))))
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 <= 0.0) {
		tmp = n * (expm1((n * log1p((i / n)))) * (100.0 / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = 100.0 * (((n * t_0) - n) / i);
	} else {
		tmp = n * pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	}
	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 <= 0.0) {
		tmp = n * (Math.expm1((n * Math.log1p((i / n)))) * (100.0 / i));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = 100.0 * (((n * t_0) - n) / i);
	} else {
		tmp = n * Math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	}
	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 <= 0.0:
		tmp = n * (math.expm1((n * math.log1p((i / n)))) * (100.0 / i))
	elif t_1 <= math.inf:
		tmp = 100.0 * (((n * t_0) - n) / i)
	else:
		tmp = n * math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0)
	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 <= 0.0)
		tmp = Float64(n * Float64(expm1(Float64(n * log1p(Float64(i / n)))) * Float64(100.0 / i)));
	elseif (t_1 <= Inf)
		tmp = Float64(100.0 * Float64(Float64(Float64(n * t_0) - n) / i));
	else
		tmp = Float64(n * (Float64(0.01 + Float64(Float64(i * 0.01) * Float64(Float64(0.5 / n) + -0.5))) ^ -1.0));
	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, 0.0], N[(n * N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * N[(100.0 / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(100.0 * N[(N[(N[(n * t$95$0), $MachinePrecision] - n), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(n * N[Power[N[(0.01 + N[(N[(i * 0.01), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], -1.0], $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 0:\\
\;\;\;\;n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)\\

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

\mathbf{else}:\\
\;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\


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

    1. Initial program 25.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add025.5%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative25.5%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} + 0 \]
      3. div-inv25.4%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num25.0%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*25.0%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log25.0%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define25.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow35.8%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define95.6%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr95.6%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add095.6%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative95.6%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*95.6%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative95.6%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/87.3%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/97.1%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*97.1%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified97.1%

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

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

    1. Initial program 95.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub95.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. div-inv95.7%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} - \frac{1}{\frac{i}{n}}\right) \]
      3. clear-num95.6%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} - \frac{1}{\frac{i}{n}}\right) \]
      4. clear-num95.9%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \color{blue}{\frac{n}{i}}\right) \]
    4. Applied egg-rr95.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    5. Step-by-step derivation
      1. associate-*r/95.9%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div96.5%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative96.5%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    6. Applied egg-rr96.5%

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

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

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add00.0%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative0.0%

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

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num0.0%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*0.0%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log0.0%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define0.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow0.0%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define0.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr0.0%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add00.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative0.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*0.0%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative0.0%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/1.9%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/1.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*1.8%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified1.8%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Step-by-step derivation
      1. clear-num1.8%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{1}{\frac{i}{100}}}\right) \]
      2. un-div-inv1.9%

        \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{100}}} \]
      3. div-inv1.9%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\color{blue}{i \cdot \frac{1}{100}}} \]
      4. metadata-eval1.9%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot \color{blue}{0.01}} \]
    8. Applied egg-rr1.9%

      \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot 0.01}} \]
    9. Step-by-step derivation
      1. clear-num1.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      2. inv-pow1.9%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    10. Applied egg-rr1.9%

      \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    11. Taylor expanded in i around 0 100.0%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)\right)}}^{-1} \]
    12. Step-by-step derivation
      1. associate-*r*100.0%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(0.01 \cdot i\right) \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}\right)}^{-1} \]
      2. *-commutative100.0%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(i \cdot 0.01\right)} \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}^{-1} \]
      3. sub-neg100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)}^{-1} \]
      4. associate-*r/100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)}^{-1} \]
      5. metadata-eval100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)}^{-1} \]
      6. metadata-eval100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)}^{-1} \]
    13. Simplified100.0%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}}^{-1} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification97.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;100 \cdot \frac{n \cdot {\left(1 + \frac{i}{n}\right)}^{n} - n}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 97.5% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq 0:\\ \;\;\;\;\frac{100}{\frac{\frac{i}{n}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;100 \cdot \frac{n \cdot t\_0 - n}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \end{array} \end{array} \]
(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 0.0)
     (/ 100.0 (/ (/ i n) (expm1 (* n (log1p (/ i n))))))
     (if (<= t_1 INFINITY)
       (* 100.0 (/ (- (* n t_0) n) i))
       (* n (pow (+ 0.01 (* (* i 0.01) (+ (/ 0.5 n) -0.5))) -1.0))))))
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 <= 0.0) {
		tmp = 100.0 / ((i / n) / expm1((n * log1p((i / n)))));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = 100.0 * (((n * t_0) - n) / i);
	} else {
		tmp = n * pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	}
	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 <= 0.0) {
		tmp = 100.0 / ((i / n) / Math.expm1((n * Math.log1p((i / n)))));
	} else if (t_1 <= Double.POSITIVE_INFINITY) {
		tmp = 100.0 * (((n * t_0) - n) / i);
	} else {
		tmp = n * Math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	}
	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 <= 0.0:
		tmp = 100.0 / ((i / n) / math.expm1((n * math.log1p((i / n)))))
	elif t_1 <= math.inf:
		tmp = 100.0 * (((n * t_0) - n) / i)
	else:
		tmp = n * math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0)
	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 <= 0.0)
		tmp = Float64(100.0 / Float64(Float64(i / n) / expm1(Float64(n * log1p(Float64(i / n))))));
	elseif (t_1 <= Inf)
		tmp = Float64(100.0 * Float64(Float64(Float64(n * t_0) - n) / i));
	else
		tmp = Float64(n * (Float64(0.01 + Float64(Float64(i * 0.01) * Float64(Float64(0.5 / n) + -0.5))) ^ -1.0));
	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, 0.0], N[(100.0 / N[(N[(i / n), $MachinePrecision] / N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(100.0 * N[(N[(N[(n * t$95$0), $MachinePrecision] - n), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(n * N[Power[N[(0.01 + N[(N[(i * 0.01), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], -1.0], $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 0:\\
\;\;\;\;\frac{100}{\frac{\frac{i}{n}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\\

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

\mathbf{else}:\\
\;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\


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

    1. Initial program 25.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. clear-num25.5%

        \[\leadsto 100 \cdot \color{blue}{\frac{1}{\frac{\frac{i}{n}}{{\left(1 + \frac{i}{n}\right)}^{n} - 1}}} \]
      2. un-div-inv25.5%

        \[\leadsto \color{blue}{\frac{100}{\frac{\frac{i}{n}}{{\left(1 + \frac{i}{n}\right)}^{n} - 1}}} \]
      3. add-exp-log25.5%

        \[\leadsto \frac{100}{\frac{\frac{i}{n}}{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}} \]
      4. expm1-define25.5%

        \[\leadsto \frac{100}{\frac{\frac{i}{n}}{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}} \]
      5. log-pow36.2%

        \[\leadsto \frac{100}{\frac{\frac{i}{n}}{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}} \]
      6. log1p-define98.5%

        \[\leadsto \frac{100}{\frac{\frac{i}{n}}{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}} \]
    4. Applied egg-rr98.5%

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

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

    1. Initial program 95.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub95.7%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. div-inv95.7%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} - \frac{1}{\frac{i}{n}}\right) \]
      3. clear-num95.6%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} - \frac{1}{\frac{i}{n}}\right) \]
      4. clear-num95.9%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \color{blue}{\frac{n}{i}}\right) \]
    4. Applied egg-rr95.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    5. Step-by-step derivation
      1. associate-*r/95.9%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div96.5%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative96.5%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    6. Applied egg-rr96.5%

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

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

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add00.0%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative0.0%

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

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num0.0%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*0.0%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log0.0%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define0.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow0.0%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define0.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr0.0%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add00.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative0.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*0.0%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative0.0%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/1.9%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/1.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*1.8%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified1.8%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Step-by-step derivation
      1. clear-num1.8%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{1}{\frac{i}{100}}}\right) \]
      2. un-div-inv1.9%

        \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{100}}} \]
      3. div-inv1.9%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\color{blue}{i \cdot \frac{1}{100}}} \]
      4. metadata-eval1.9%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot \color{blue}{0.01}} \]
    8. Applied egg-rr1.9%

      \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot 0.01}} \]
    9. Step-by-step derivation
      1. clear-num1.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      2. inv-pow1.9%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    10. Applied egg-rr1.9%

      \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    11. Taylor expanded in i around 0 100.0%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)\right)}}^{-1} \]
    12. Step-by-step derivation
      1. associate-*r*100.0%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(0.01 \cdot i\right) \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}\right)}^{-1} \]
      2. *-commutative100.0%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(i \cdot 0.01\right)} \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}^{-1} \]
      3. sub-neg100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)}^{-1} \]
      4. associate-*r/100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)}^{-1} \]
      5. metadata-eval100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)}^{-1} \]
      6. metadata-eval100.0%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)}^{-1} \]
    13. Simplified100.0%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}}^{-1} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification98.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 0:\\ \;\;\;\;\frac{100}{\frac{\frac{i}{n}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;100 \cdot \frac{n \cdot {\left(1 + \frac{i}{n}\right)}^{n} - n}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 87.0% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -9.8 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{elif}\;n \leq 1.15:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -9.8e-5)
   (* n (/ (* 100.0 (expm1 i)) i))
   (if (<= n 1.15)
     (* n (pow (+ 0.01 (* (* i 0.01) (+ (/ 0.5 n) -0.5))) -1.0))
     (* 100.0 (* n (/ (expm1 i) i))))))
double code(double i, double n) {
	double tmp;
	if (n <= -9.8e-5) {
		tmp = n * ((100.0 * expm1(i)) / i);
	} else if (n <= 1.15) {
		tmp = n * pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	} else {
		tmp = 100.0 * (n * (expm1(i) / i));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -9.8e-5) {
		tmp = n * ((100.0 * Math.expm1(i)) / i);
	} else if (n <= 1.15) {
		tmp = n * Math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0);
	} else {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -9.8e-5:
		tmp = n * ((100.0 * math.expm1(i)) / i)
	elif n <= 1.15:
		tmp = n * math.pow((0.01 + ((i * 0.01) * ((0.5 / n) + -0.5))), -1.0)
	else:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -9.8e-5)
		tmp = Float64(n * Float64(Float64(100.0 * expm1(i)) / i));
	elseif (n <= 1.15)
		tmp = Float64(n * (Float64(0.01 + Float64(Float64(i * 0.01) * Float64(Float64(0.5 / n) + -0.5))) ^ -1.0));
	else
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -9.8e-5], N[(n * N[(N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.15], N[(n * N[Power[N[(0.01 + N[(N[(i * 0.01), $MachinePrecision] * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], -1.0], $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -9.8 \cdot 10^{-5}:\\
\;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\

\mathbf{elif}\;n \leq 1.15:\\
\;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -9.8e-5

    1. Initial program 26.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add026.3%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative26.3%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} + 0 \]
      3. div-inv26.3%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num26.3%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*26.3%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log26.3%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define26.3%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow17.2%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define67.5%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr67.5%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add067.5%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative67.5%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*67.5%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative67.5%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/66.2%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/68.5%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*68.4%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified68.4%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Taylor expanded in n around inf 40.4%

      \[\leadsto n \cdot \color{blue}{\left(100 \cdot \frac{e^{i} - 1}{i}\right)} \]
    8. Step-by-step derivation
      1. associate-*r/40.4%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left(e^{i} - 1\right)}{i}} \]
      2. expm1-define89.7%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    9. Simplified89.7%

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

    if -9.8e-5 < n < 1.1499999999999999

    1. Initial program 35.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add035.6%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative35.6%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} + 0 \]
      3. div-inv35.6%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num34.7%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*34.7%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log34.7%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define34.7%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow60.9%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define93.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr93.0%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add093.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative93.0%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*93.2%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative93.2%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/74.7%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/93.3%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*93.3%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified93.3%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Step-by-step derivation
      1. clear-num93.2%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{1}{\frac{i}{100}}}\right) \]
      2. un-div-inv93.2%

        \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{100}}} \]
      3. div-inv93.3%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\color{blue}{i \cdot \frac{1}{100}}} \]
      4. metadata-eval93.3%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot \color{blue}{0.01}} \]
    8. Applied egg-rr93.3%

      \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot 0.01}} \]
    9. Step-by-step derivation
      1. clear-num93.4%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      2. inv-pow93.4%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    10. Applied egg-rr93.4%

      \[\leadsto n \cdot \color{blue}{{\left(\frac{i \cdot 0.01}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    11. Taylor expanded in i around 0 77.5%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)\right)}}^{-1} \]
    12. Step-by-step derivation
      1. associate-*r*77.5%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(0.01 \cdot i\right) \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}\right)}^{-1} \]
      2. *-commutative77.5%

        \[\leadsto n \cdot {\left(0.01 + \color{blue}{\left(i \cdot 0.01\right)} \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}^{-1} \]
      3. sub-neg77.5%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)}^{-1} \]
      4. associate-*r/77.5%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)}^{-1} \]
      5. metadata-eval77.5%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)}^{-1} \]
      6. metadata-eval77.5%

        \[\leadsto n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)}^{-1} \]
    13. Simplified77.5%

      \[\leadsto n \cdot {\color{blue}{\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}}^{-1} \]

    if 1.1499999999999999 < n

    1. Initial program 21.5%

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

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    4. Step-by-step derivation
      1. *-commutative43.8%

        \[\leadsto \color{blue}{\frac{n \cdot \left(e^{i} - 1\right)}{i} \cdot 100} \]
      2. associate-/l*43.8%

        \[\leadsto \color{blue}{\left(n \cdot \frac{e^{i} - 1}{i}\right)} \cdot 100 \]
      3. expm1-define97.3%

        \[\leadsto \left(n \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i}\right) \cdot 100 \]
    5. Simplified97.3%

      \[\leadsto \color{blue}{\left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right) \cdot 100} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification87.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -9.8 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{elif}\;n \leq 1.15:\\ \;\;\;\;n \cdot {\left(0.01 + \left(i \cdot 0.01\right) \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}^{-1}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 74.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -1.8 \cdot 10^{-23} \lor \neg \left(i \leq 7.5 \cdot 10^{-79}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -1.8e-23) (not (<= i 7.5e-79)))
   (* 100.0 (/ (expm1 i) (/ i n)))
   (* n (+ 100.0 (* (* i 100.0) (- 0.5 (/ 0.5 n)))))))
double code(double i, double n) {
	double tmp;
	if ((i <= -1.8e-23) || !(i <= 7.5e-79)) {
		tmp = 100.0 * (expm1(i) / (i / n));
	} else {
		tmp = n * (100.0 + ((i * 100.0) * (0.5 - (0.5 / n))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((i <= -1.8e-23) || !(i <= 7.5e-79)) {
		tmp = 100.0 * (Math.expm1(i) / (i / n));
	} else {
		tmp = n * (100.0 + ((i * 100.0) * (0.5 - (0.5 / n))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -1.8e-23) or not (i <= 7.5e-79):
		tmp = 100.0 * (math.expm1(i) / (i / n))
	else:
		tmp = n * (100.0 + ((i * 100.0) * (0.5 - (0.5 / n))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -1.8e-23) || !(i <= 7.5e-79))
		tmp = Float64(100.0 * Float64(expm1(i) / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(Float64(i * 100.0) * Float64(0.5 - Float64(0.5 / n)))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[i, -1.8e-23], N[Not[LessEqual[i, 7.5e-79]], $MachinePrecision]], N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(N[(i * 100.0), $MachinePrecision] * N[(0.5 - N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -1.8 \cdot 10^{-23} \lor \neg \left(i \leq 7.5 \cdot 10^{-79}\right):\\
\;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -1.7999999999999999e-23 or 7.49999999999999969e-79 < i

    1. Initial program 46.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 58.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define68.2%

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

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

    if -1.7999999999999999e-23 < i < 7.49999999999999969e-79

    1. Initial program 5.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add05.8%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative5.8%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} + 0 \]
      3. div-inv5.7%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num5.7%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*5.7%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log5.7%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define5.7%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow15.1%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define66.4%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr66.4%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add066.4%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative66.4%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*66.5%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative66.5%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/54.3%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/68.6%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*68.6%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified68.6%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Taylor expanded in i around 0 89.5%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    8. Step-by-step derivation
      1. associate-*r*89.5%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative89.5%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/89.5%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval89.5%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    9. Simplified89.5%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification77.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -1.8 \cdot 10^{-23} \lor \neg \left(i \leq 7.5 \cdot 10^{-79}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 79.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 7.6 \cdot 10^{-143}\right):\\ \;\;\;\;n \cdot \frac{\mathsf{expm1}\left(i\right)}{i \cdot 0.01}\\ \mathbf{else}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.3e-105) (not (<= n 7.6e-143)))
   (* n (/ (expm1 i) (* i 0.01)))
   (* 0.0 (/ n i))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.3e-105) || !(n <= 7.6e-143)) {
		tmp = n * (expm1(i) / (i * 0.01));
	} else {
		tmp = 0.0 * (n / i);
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.3e-105) || !(n <= 7.6e-143)) {
		tmp = n * (Math.expm1(i) / (i * 0.01));
	} else {
		tmp = 0.0 * (n / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.3e-105) or not (n <= 7.6e-143):
		tmp = n * (math.expm1(i) / (i * 0.01))
	else:
		tmp = 0.0 * (n / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.3e-105) || !(n <= 7.6e-143))
		tmp = Float64(n * Float64(expm1(i) / Float64(i * 0.01)));
	else
		tmp = Float64(0.0 * Float64(n / i));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -1.3e-105], N[Not[LessEqual[n, 7.6e-143]], $MachinePrecision]], N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / N[(i * 0.01), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 7.6 \cdot 10^{-143}\right):\\
\;\;\;\;n \cdot \frac{\mathsf{expm1}\left(i\right)}{i \cdot 0.01}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.2999999999999999e-105 or 7.59999999999999962e-143 < n

    1. Initial program 22.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add022.0%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative22.0%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} + 0 \]
      3. div-inv22.0%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num21.9%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*21.9%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log21.9%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define21.9%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow24.6%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define76.1%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr76.1%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add076.1%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative76.1%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*76.2%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative76.2%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/74.2%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/77.7%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*77.8%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified77.8%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Step-by-step derivation
      1. clear-num77.7%

        \[\leadsto n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{1}{\frac{i}{100}}}\right) \]
      2. un-div-inv77.7%

        \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{100}}} \]
      3. div-inv77.7%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\color{blue}{i \cdot \frac{1}{100}}} \]
      4. metadata-eval77.7%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot \color{blue}{0.01}} \]
    8. Applied egg-rr77.7%

      \[\leadsto n \cdot \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i \cdot 0.01}} \]
    9. Taylor expanded in n around inf 85.5%

      \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{i}\right)}{i \cdot 0.01} \]

    if -1.2999999999999999e-105 < n < 7.59999999999999962e-143

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

      \[\leadsto \left(\color{blue}{100} + -100\right) \cdot \frac{n}{i} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification82.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 7.6 \cdot 10^{-143}\right):\\ \;\;\;\;n \cdot \frac{\mathsf{expm1}\left(i\right)}{i \cdot 0.01}\\ \mathbf{else}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 79.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 7.8 \cdot 10^{-143}\right):\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.3e-105) (not (<= n 7.8e-143)))
   (* n (/ (* 100.0 (expm1 i)) i))
   (* 0.0 (/ n i))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.3e-105) || !(n <= 7.8e-143)) {
		tmp = n * ((100.0 * expm1(i)) / i);
	} else {
		tmp = 0.0 * (n / i);
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.3e-105) || !(n <= 7.8e-143)) {
		tmp = n * ((100.0 * Math.expm1(i)) / i);
	} else {
		tmp = 0.0 * (n / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.3e-105) or not (n <= 7.8e-143):
		tmp = n * ((100.0 * math.expm1(i)) / i)
	else:
		tmp = 0.0 * (n / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.3e-105) || !(n <= 7.8e-143))
		tmp = Float64(n * Float64(Float64(100.0 * expm1(i)) / i));
	else
		tmp = Float64(0.0 * Float64(n / i));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -1.3e-105], N[Not[LessEqual[n, 7.8e-143]], $MachinePrecision]], N[(n * N[(N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 7.8 \cdot 10^{-143}\right):\\
\;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.2999999999999999e-105 or 7.80000000000000007e-143 < n

    1. Initial program 22.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add022.0%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative22.0%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} + 0 \]
      3. div-inv22.0%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num21.9%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*21.9%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log21.9%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define21.9%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow24.6%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define76.1%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr76.1%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add076.1%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative76.1%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*76.2%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative76.2%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/74.2%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/77.7%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*77.8%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified77.8%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Taylor expanded in n around inf 33.9%

      \[\leadsto n \cdot \color{blue}{\left(100 \cdot \frac{e^{i} - 1}{i}\right)} \]
    8. Step-by-step derivation
      1. associate-*r/34.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left(e^{i} - 1\right)}{i}} \]
      2. expm1-define85.6%

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

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

    if -1.2999999999999999e-105 < n < 7.80000000000000007e-143

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

      \[\leadsto \left(\color{blue}{100} + -100\right) \cdot \frac{n}{i} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification82.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 7.8 \cdot 10^{-143}\right):\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 79.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{elif}\;n \leq 1.65 \cdot 10^{-142}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.3e-105)
   (* n (/ (* 100.0 (expm1 i)) i))
   (if (<= n 1.65e-142) (* 0.0 (/ n i)) (* 100.0 (* n (/ (expm1 i) i))))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.3e-105) {
		tmp = n * ((100.0 * expm1(i)) / i);
	} else if (n <= 1.65e-142) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = 100.0 * (n * (expm1(i) / i));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.3e-105) {
		tmp = n * ((100.0 * Math.expm1(i)) / i);
	} else if (n <= 1.65e-142) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.3e-105:
		tmp = n * ((100.0 * math.expm1(i)) / i)
	elif n <= 1.65e-142:
		tmp = 0.0 * (n / i)
	else:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.3e-105)
		tmp = Float64(n * Float64(Float64(100.0 * expm1(i)) / i));
	elseif (n <= 1.65e-142)
		tmp = Float64(0.0 * Float64(n / i));
	else
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -1.3e-105], N[(n * N[(N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.65e-142], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\
\;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\

\mathbf{elif}\;n \leq 1.65 \cdot 10^{-142}:\\
\;\;\;\;0 \cdot \frac{n}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.2999999999999999e-105

    1. Initial program 23.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. add023.3%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} + 0} \]
      2. *-commutative23.3%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} + 0 \]
      3. div-inv23.2%

        \[\leadsto \color{blue}{\left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \cdot 100 + 0 \]
      4. clear-num23.0%

        \[\leadsto \left(\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \color{blue}{\frac{n}{i}}\right) \cdot 100 + 0 \]
      5. associate-*l*23.0%

        \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right)} + 0 \]
      6. add-exp-log23.0%

        \[\leadsto \left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      7. expm1-define23.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      8. log-pow24.0%

        \[\leadsto \mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
      9. log1p-define73.4%

        \[\leadsto \mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0 \]
    4. Applied egg-rr73.4%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right) + 0} \]
    5. Step-by-step derivation
      1. add073.4%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      2. *-commutative73.4%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
      3. associate-*l*73.5%

        \[\leadsto \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right) \cdot \frac{n}{i}} \]
      4. *-commutative73.5%

        \[\leadsto \color{blue}{\frac{n}{i} \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)} \]
      5. associate-*l/69.1%

        \[\leadsto \color{blue}{\frac{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100\right)}{i}} \]
      6. associate-*r/74.3%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}} \]
      7. associate-/l*74.3%

        \[\leadsto n \cdot \color{blue}{\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    6. Simplified74.3%

      \[\leadsto \color{blue}{n \cdot \left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{100}{i}\right)} \]
    7. Taylor expanded in n around inf 34.1%

      \[\leadsto n \cdot \color{blue}{\left(100 \cdot \frac{e^{i} - 1}{i}\right)} \]
    8. Step-by-step derivation
      1. associate-*r/34.2%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left(e^{i} - 1\right)}{i}} \]
      2. expm1-define83.3%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    9. Simplified83.3%

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

    if -1.2999999999999999e-105 < n < 1.6499999999999998e-142

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

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

    if 1.6499999999999998e-142 < n

    1. Initial program 20.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 33.8%

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    4. Step-by-step derivation
      1. *-commutative33.8%

        \[\leadsto \color{blue}{\frac{n \cdot \left(e^{i} - 1\right)}{i} \cdot 100} \]
      2. associate-/l*33.8%

        \[\leadsto \color{blue}{\left(n \cdot \frac{e^{i} - 1}{i}\right)} \cdot 100 \]
      3. expm1-define88.0%

        \[\leadsto \left(n \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i}\right) \cdot 100 \]
    5. Simplified88.0%

      \[\leadsto \color{blue}{\left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right) \cdot 100} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{elif}\;n \leq 1.65 \cdot 10^{-142}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 61.8% accurate, 6.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.45 \cdot 10^{-102}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 1.16 \cdot 10^{-142}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.45e-102)
   (* n (+ 100.0 (* i 50.0)))
   (if (<= n 1.16e-142) (* 0.0 (/ n i)) (* (* n 100.0) (+ 1.0 (* i 0.5))))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.45e-102) {
		tmp = n * (100.0 + (i * 50.0));
	} else if (n <= 1.16e-142) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (n * 100.0) * (1.0 + (i * 0.5));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1.45d-102)) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else if (n <= 1.16d-142) then
        tmp = 0.0d0 * (n / i)
    else
        tmp = (n * 100.0d0) * (1.0d0 + (i * 0.5d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.45e-102) {
		tmp = n * (100.0 + (i * 50.0));
	} else if (n <= 1.16e-142) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (n * 100.0) * (1.0 + (i * 0.5));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.45e-102:
		tmp = n * (100.0 + (i * 50.0))
	elif n <= 1.16e-142:
		tmp = 0.0 * (n / i)
	else:
		tmp = (n * 100.0) * (1.0 + (i * 0.5))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.45e-102)
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	elseif (n <= 1.16e-142)
		tmp = Float64(0.0 * Float64(n / i));
	else
		tmp = Float64(Float64(n * 100.0) * Float64(1.0 + Float64(i * 0.5)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1.45e-102)
		tmp = n * (100.0 + (i * 50.0));
	elseif (n <= 1.16e-142)
		tmp = 0.0 * (n / i);
	else
		tmp = (n * 100.0) * (1.0 + (i * 0.5));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1.45e-102], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.16e-142], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision], N[(N[(n * 100.0), $MachinePrecision] * N[(1.0 + N[(i * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.45 \cdot 10^{-102}:\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

\mathbf{elif}\;n \leq 1.16 \cdot 10^{-142}:\\
\;\;\;\;0 \cdot \frac{n}{i}\\

\mathbf{else}:\\
\;\;\;\;\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.44999999999999993e-102

    1. Initial program 23.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 55.1%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 55.0%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*55.0%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative55.0%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative55.0%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified55.0%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around 0 55.0%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    8. Step-by-step derivation
      1. associate-*r*55.0%

        \[\leadsto \color{blue}{\left(50 \cdot i\right) \cdot n} + 100 \cdot n \]
      2. distribute-rgt-out55.0%

        \[\leadsto \color{blue}{n \cdot \left(50 \cdot i + 100\right)} \]
    9. Simplified55.0%

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

    if -1.44999999999999993e-102 < n < 1.16e-142

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

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

    if 1.16e-142 < n

    1. Initial program 20.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 69.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 70.1%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*70.1%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative70.1%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative70.1%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified70.1%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification63.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.45 \cdot 10^{-102}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 1.16 \cdot 10^{-142}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 61.8% accurate, 6.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 7.8 \cdot 10^{-143}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right) + n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.3e-105)
   (* n (+ 100.0 (* i 50.0)))
   (if (<= n 7.8e-143) (* 0.0 (/ n i)) (+ (* 50.0 (* i n)) (* n 100.0)))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.3e-105) {
		tmp = n * (100.0 + (i * 50.0));
	} else if (n <= 7.8e-143) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (50.0 * (i * n)) + (n * 100.0);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1.3d-105)) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else if (n <= 7.8d-143) then
        tmp = 0.0d0 * (n / i)
    else
        tmp = (50.0d0 * (i * n)) + (n * 100.0d0)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.3e-105) {
		tmp = n * (100.0 + (i * 50.0));
	} else if (n <= 7.8e-143) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (50.0 * (i * n)) + (n * 100.0);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.3e-105:
		tmp = n * (100.0 + (i * 50.0))
	elif n <= 7.8e-143:
		tmp = 0.0 * (n / i)
	else:
		tmp = (50.0 * (i * n)) + (n * 100.0)
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.3e-105)
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	elseif (n <= 7.8e-143)
		tmp = Float64(0.0 * Float64(n / i));
	else
		tmp = Float64(Float64(50.0 * Float64(i * n)) + Float64(n * 100.0));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1.3e-105)
		tmp = n * (100.0 + (i * 50.0));
	elseif (n <= 7.8e-143)
		tmp = 0.0 * (n / i);
	else
		tmp = (50.0 * (i * n)) + (n * 100.0);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1.3e-105], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 7.8e-143], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision], N[(N[(50.0 * N[(i * n), $MachinePrecision]), $MachinePrecision] + N[(n * 100.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

\mathbf{elif}\;n \leq 7.8 \cdot 10^{-143}:\\
\;\;\;\;0 \cdot \frac{n}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.2999999999999999e-105

    1. Initial program 23.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 55.1%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 55.0%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*55.0%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative55.0%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative55.0%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified55.0%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around 0 55.0%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    8. Step-by-step derivation
      1. associate-*r*55.0%

        \[\leadsto \color{blue}{\left(50 \cdot i\right) \cdot n} + 100 \cdot n \]
      2. distribute-rgt-out55.0%

        \[\leadsto \color{blue}{n \cdot \left(50 \cdot i + 100\right)} \]
    9. Simplified55.0%

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

    if -1.2999999999999999e-105 < n < 7.80000000000000007e-143

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

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

    if 7.80000000000000007e-143 < n

    1. Initial program 20.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 69.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 70.1%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*70.1%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative70.1%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative70.1%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified70.1%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around 0 70.1%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification63.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{elif}\;n \leq 7.8 \cdot 10^{-143}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right) + n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 61.8% accurate, 6.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.35 \cdot 10^{-105}:\\ \;\;\;\;100 \cdot \left(n + \left(0.5 - \frac{0.5}{n}\right) \cdot \left(i \cdot n\right)\right)\\ \mathbf{elif}\;n \leq 1.02 \cdot 10^{-142}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right) + n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.35e-105)
   (* 100.0 (+ n (* (- 0.5 (/ 0.5 n)) (* i n))))
   (if (<= n 1.02e-142) (* 0.0 (/ n i)) (+ (* 50.0 (* i n)) (* n 100.0)))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.35e-105) {
		tmp = 100.0 * (n + ((0.5 - (0.5 / n)) * (i * n)));
	} else if (n <= 1.02e-142) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (50.0 * (i * n)) + (n * 100.0);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1.35d-105)) then
        tmp = 100.0d0 * (n + ((0.5d0 - (0.5d0 / n)) * (i * n)))
    else if (n <= 1.02d-142) then
        tmp = 0.0d0 * (n / i)
    else
        tmp = (50.0d0 * (i * n)) + (n * 100.0d0)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.35e-105) {
		tmp = 100.0 * (n + ((0.5 - (0.5 / n)) * (i * n)));
	} else if (n <= 1.02e-142) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (50.0 * (i * n)) + (n * 100.0);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.35e-105:
		tmp = 100.0 * (n + ((0.5 - (0.5 / n)) * (i * n)))
	elif n <= 1.02e-142:
		tmp = 0.0 * (n / i)
	else:
		tmp = (50.0 * (i * n)) + (n * 100.0)
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.35e-105)
		tmp = Float64(100.0 * Float64(n + Float64(Float64(0.5 - Float64(0.5 / n)) * Float64(i * n))));
	elseif (n <= 1.02e-142)
		tmp = Float64(0.0 * Float64(n / i));
	else
		tmp = Float64(Float64(50.0 * Float64(i * n)) + Float64(n * 100.0));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1.35e-105)
		tmp = 100.0 * (n + ((0.5 - (0.5 / n)) * (i * n)));
	elseif (n <= 1.02e-142)
		tmp = 0.0 * (n / i);
	else
		tmp = (50.0 * (i * n)) + (n * 100.0);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1.35e-105], N[(100.0 * N[(n + N[(N[(0.5 - N[(0.5 / n), $MachinePrecision]), $MachinePrecision] * N[(i * n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.02e-142], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision], N[(N[(50.0 * N[(i * n), $MachinePrecision]), $MachinePrecision] + N[(n * 100.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.35 \cdot 10^{-105}:\\
\;\;\;\;100 \cdot \left(n + \left(0.5 - \frac{0.5}{n}\right) \cdot \left(i \cdot n\right)\right)\\

\mathbf{elif}\;n \leq 1.02 \cdot 10^{-142}:\\
\;\;\;\;0 \cdot \frac{n}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.34999999999999996e-105

    1. Initial program 23.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 55.1%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r*55.1%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. associate-*r/55.1%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      3. metadata-eval55.1%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    5. Simplified55.1%

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

    if -1.34999999999999996e-105 < n < 1.0200000000000001e-142

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

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

    if 1.0200000000000001e-142 < n

    1. Initial program 20.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 69.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 70.1%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*70.1%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative70.1%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative70.1%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified70.1%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around 0 70.1%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification63.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.35 \cdot 10^{-105}:\\ \;\;\;\;100 \cdot \left(n + \left(0.5 - \frac{0.5}{n}\right) \cdot \left(i \cdot n\right)\right)\\ \mathbf{elif}\;n \leq 1.02 \cdot 10^{-142}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right) + n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 61.8% accurate, 6.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\ \;\;\;\;i \cdot -50 + 100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\ \mathbf{elif}\;n \leq 7.6 \cdot 10^{-143}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right) + n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.3e-105)
   (+ (* i -50.0) (* 100.0 (* n (+ 1.0 (* i 0.5)))))
   (if (<= n 7.6e-143) (* 0.0 (/ n i)) (+ (* 50.0 (* i n)) (* n 100.0)))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.3e-105) {
		tmp = (i * -50.0) + (100.0 * (n * (1.0 + (i * 0.5))));
	} else if (n <= 7.6e-143) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (50.0 * (i * n)) + (n * 100.0);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1.3d-105)) then
        tmp = (i * (-50.0d0)) + (100.0d0 * (n * (1.0d0 + (i * 0.5d0))))
    else if (n <= 7.6d-143) then
        tmp = 0.0d0 * (n / i)
    else
        tmp = (50.0d0 * (i * n)) + (n * 100.0d0)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.3e-105) {
		tmp = (i * -50.0) + (100.0 * (n * (1.0 + (i * 0.5))));
	} else if (n <= 7.6e-143) {
		tmp = 0.0 * (n / i);
	} else {
		tmp = (50.0 * (i * n)) + (n * 100.0);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.3e-105:
		tmp = (i * -50.0) + (100.0 * (n * (1.0 + (i * 0.5))))
	elif n <= 7.6e-143:
		tmp = 0.0 * (n / i)
	else:
		tmp = (50.0 * (i * n)) + (n * 100.0)
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.3e-105)
		tmp = Float64(Float64(i * -50.0) + Float64(100.0 * Float64(n * Float64(1.0 + Float64(i * 0.5)))));
	elseif (n <= 7.6e-143)
		tmp = Float64(0.0 * Float64(n / i));
	else
		tmp = Float64(Float64(50.0 * Float64(i * n)) + Float64(n * 100.0));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1.3e-105)
		tmp = (i * -50.0) + (100.0 * (n * (1.0 + (i * 0.5))));
	elseif (n <= 7.6e-143)
		tmp = 0.0 * (n / i);
	else
		tmp = (50.0 * (i * n)) + (n * 100.0);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1.3e-105], N[(N[(i * -50.0), $MachinePrecision] + N[(100.0 * N[(n * N[(1.0 + N[(i * 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 7.6e-143], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision], N[(N[(50.0 * N[(i * n), $MachinePrecision]), $MachinePrecision] + N[(n * 100.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\
\;\;\;\;i \cdot -50 + 100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\

\mathbf{elif}\;n \leq 7.6 \cdot 10^{-143}:\\
\;\;\;\;0 \cdot \frac{n}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.2999999999999999e-105

    1. Initial program 23.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.3%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg23.3%

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{\frac{i}{n}} \]
      7. fma-define23.3%

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

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

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 38.0%

      \[\leadsto \frac{\color{blue}{100 \cdot i + 100 \cdot \left({i}^{2} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. distribute-lft-out38.0%

        \[\leadsto \frac{\color{blue}{100 \cdot \left(i + {i}^{2} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}}{\frac{i}{n}} \]
      2. associate-*r/38.0%

        \[\leadsto \frac{100 \cdot \left(i + {i}^{2} \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)}{\frac{i}{n}} \]
      3. metadata-eval38.0%

        \[\leadsto \frac{100 \cdot \left(i + {i}^{2} \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)}{\frac{i}{n}} \]
    7. Simplified38.0%

      \[\leadsto \frac{\color{blue}{100 \cdot \left(i + {i}^{2} \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}}{\frac{i}{n}} \]
    8. Taylor expanded in n around 0 55.1%

      \[\leadsto \color{blue}{-50 \cdot i + 100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]

    if -1.2999999999999999e-105 < n < 7.59999999999999962e-143

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

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

    if 7.59999999999999962e-143 < n

    1. Initial program 20.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 69.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 70.1%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*70.1%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative70.1%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative70.1%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified70.1%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around 0 70.1%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification63.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105}:\\ \;\;\;\;i \cdot -50 + 100 \cdot \left(n \cdot \left(1 + i \cdot 0.5\right)\right)\\ \mathbf{elif}\;n \leq 7.6 \cdot 10^{-143}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right) + n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 61.8% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 1.26 \cdot 10^{-142}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.3e-105) (not (<= n 1.26e-142)))
   (* n (+ 100.0 (* i 50.0)))
   (* 0.0 (/ n i))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.3e-105) || !(n <= 1.26e-142)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 0.0 * (n / i);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-1.3d-105)) .or. (.not. (n <= 1.26d-142))) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else
        tmp = 0.0d0 * (n / i)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.3e-105) || !(n <= 1.26e-142)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 0.0 * (n / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.3e-105) or not (n <= 1.26e-142):
		tmp = n * (100.0 + (i * 50.0))
	else:
		tmp = 0.0 * (n / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.3e-105) || !(n <= 1.26e-142))
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	else
		tmp = Float64(0.0 * Float64(n / i));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -1.3e-105) || ~((n <= 1.26e-142)))
		tmp = n * (100.0 + (i * 50.0));
	else
		tmp = 0.0 * (n / i);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -1.3e-105], N[Not[LessEqual[n, 1.26e-142]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(0.0 * N[(n / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 1.26 \cdot 10^{-142}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.2999999999999999e-105 or 1.26000000000000007e-142 < n

    1. Initial program 22.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 62.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 62.4%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*62.4%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative62.4%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative62.4%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified62.4%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around 0 62.4%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    8. Step-by-step derivation
      1. associate-*r*62.4%

        \[\leadsto \color{blue}{\left(50 \cdot i\right) \cdot n} + 100 \cdot n \]
      2. distribute-rgt-out62.4%

        \[\leadsto \color{blue}{n \cdot \left(50 \cdot i + 100\right)} \]
    9. Simplified62.4%

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

    if -1.2999999999999999e-105 < n < 1.26000000000000007e-142

    1. Initial program 58.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. associate-/r/57.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i} \cdot n} \]
      3. associate-*l/57.0%

        \[\leadsto \color{blue}{\frac{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot n}{i}} \]
      4. associate-/l*56.8%

        \[\leadsto \color{blue}{\left(100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot \frac{n}{i}} \]
      5. sub-neg56.8%

        \[\leadsto \left(100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}\right) \cdot \frac{n}{i} \]
      6. distribute-lft-in56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)\right)} \cdot \frac{n}{i} \]
      7. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}\right) \cdot \frac{n}{i} \]
      8. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}\right) \cdot \frac{n}{i} \]
      9. metadata-eval56.8%

        \[\leadsto \left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}\right) \cdot \frac{n}{i} \]
      10. fma-define56.8%

        \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)} \cdot \frac{n}{i} \]
      11. metadata-eval56.8%

        \[\leadsto \mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right) \cdot \frac{n}{i} \]
    3. Simplified56.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right) \cdot \frac{n}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine56.8%

        \[\leadsto \color{blue}{\left(100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100\right)} \cdot \frac{n}{i} \]
      2. *-commutative56.8%

        \[\leadsto \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100\right) \cdot \frac{n}{i} \]
    6. Applied egg-rr56.8%

      \[\leadsto \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100\right)} \cdot \frac{n}{i} \]
    7. Taylor expanded in i around 0 69.7%

      \[\leadsto \left(\color{blue}{100} + -100\right) \cdot \frac{n}{i} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification63.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.3 \cdot 10^{-105} \lor \neg \left(n \leq 1.26 \cdot 10^{-142}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;0 \cdot \frac{n}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 57.8% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -9 \cdot 10^{-23}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 1.7:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -9e-23)
   (* 100.0 (/ i (/ i n)))
   (if (<= i 1.7) (* 100.0 (+ n (* i -0.5))) (* 50.0 (* i n)))))
double code(double i, double n) {
	double tmp;
	if (i <= -9e-23) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 1.7) {
		tmp = 100.0 * (n + (i * -0.5));
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-9d-23)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (i <= 1.7d0) then
        tmp = 100.0d0 * (n + (i * (-0.5d0)))
    else
        tmp = 50.0d0 * (i * n)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -9e-23) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 1.7) {
		tmp = 100.0 * (n + (i * -0.5));
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -9e-23:
		tmp = 100.0 * (i / (i / n))
	elif i <= 1.7:
		tmp = 100.0 * (n + (i * -0.5))
	else:
		tmp = 50.0 * (i * n)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -9e-23)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (i <= 1.7)
		tmp = Float64(100.0 * Float64(n + Float64(i * -0.5)));
	else
		tmp = Float64(50.0 * Float64(i * n));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -9e-23)
		tmp = 100.0 * (i / (i / n));
	elseif (i <= 1.7)
		tmp = 100.0 * (n + (i * -0.5));
	else
		tmp = 50.0 * (i * n);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -9e-23], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 1.7], N[(100.0 * N[(n + N[(i * -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(50.0 * N[(i * n), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -9 \cdot 10^{-23}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 1.7:\\
\;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -8.9999999999999995e-23

    1. Initial program 55.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 21.7%

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

    if -8.9999999999999995e-23 < i < 1.69999999999999996

    1. Initial program 7.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 86.2%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around 0 85.6%

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

    if 1.69999999999999996 < i

    1. Initial program 51.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 33.7%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 34.2%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*34.2%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative34.2%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative34.2%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified34.2%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around inf 34.2%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
    8. Step-by-step derivation
      1. *-commutative34.2%

        \[\leadsto 50 \cdot \color{blue}{\left(n \cdot i\right)} \]
    9. Simplified34.2%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -9 \cdot 10^{-23}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 1.7:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 58.2% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -1.4:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -1.4) (* 100.0 (/ i (/ i n))) (* n (+ 100.0 (* i 50.0)))))
double code(double i, double n) {
	double tmp;
	if (i <= -1.4) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-1.4d0)) then
        tmp = 100.0d0 * (i / (i / n))
    else
        tmp = n * (100.0d0 + (i * 50.0d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -1.4) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -1.4:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -1.4)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -1.4)
		tmp = 100.0 * (i / (i / n));
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -1.4], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -1.4:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -1.3999999999999999

    1. Initial program 56.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 19.5%

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

    if -1.3999999999999999 < i

    1. Initial program 19.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 71.9%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 71.6%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*71.6%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative71.6%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative71.6%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified71.6%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around 0 71.6%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    8. Step-by-step derivation
      1. associate-*r*71.6%

        \[\leadsto \color{blue}{\left(50 \cdot i\right) \cdot n} + 100 \cdot n \]
      2. distribute-rgt-out71.6%

        \[\leadsto \color{blue}{n \cdot \left(50 \cdot i + 100\right)} \]
    9. Simplified71.6%

      \[\leadsto \color{blue}{n \cdot \left(50 \cdot i + 100\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification59.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -1.4:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 16: 54.0% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 1060:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 1060.0) (* n 100.0) (* 50.0 (* i n))))
double code(double i, double n) {
	double tmp;
	if (i <= 1060.0) {
		tmp = n * 100.0;
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 1060.0d0) then
        tmp = n * 100.0d0
    else
        tmp = 50.0d0 * (i * n)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 1060.0) {
		tmp = n * 100.0;
	} else {
		tmp = 50.0 * (i * n);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 1060.0:
		tmp = n * 100.0
	else:
		tmp = 50.0 * (i * n)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 1060.0)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(50.0 * Float64(i * n));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 1060.0)
		tmp = n * 100.0;
	else
		tmp = 50.0 * (i * n);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 1060.0], N[(n * 100.0), $MachinePrecision], N[(50.0 * N[(i * n), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 1060:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 1060

    1. Initial program 22.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 60.8%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative60.8%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified60.8%

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

    if 1060 < i

    1. Initial program 52.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 34.4%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Taylor expanded in n around inf 34.8%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*34.8%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative34.8%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative34.8%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    6. Simplified34.8%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    7. Taylor expanded in i around inf 34.8%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
    8. Step-by-step derivation
      1. *-commutative34.8%

        \[\leadsto 50 \cdot \color{blue}{\left(n \cdot i\right)} \]
    9. Simplified34.8%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification55.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 1060:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(i \cdot n\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 17: 2.8% accurate, 38.0× speedup?

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

\\
i \cdot -50
\end{array}
Derivation
  1. Initial program 28.1%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 55.3%

    \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
  4. Taylor expanded in n around 0 2.7%

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

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

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

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

Alternative 18: 48.5% accurate, 38.0× speedup?

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

\\
n \cdot 100
\end{array}
Derivation
  1. Initial program 28.1%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 49.9%

    \[\leadsto \color{blue}{100 \cdot n} \]
  4. Step-by-step derivation
    1. *-commutative49.9%

      \[\leadsto \color{blue}{n \cdot 100} \]
  5. Simplified49.9%

    \[\leadsto \color{blue}{n \cdot 100} \]
  6. Final simplification49.9%

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

Developer target: 33.9% 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 2024046 
(FPCore (i n)
  :name "Compound Interest"
  :precision binary64

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

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