Compound Interest

Percentage Accurate: 28.3% → 97.7%
Time: 16.8s
Alternatives: 17
Speedup: 38.0×

Specification

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

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

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 17 alternatives:

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

Initial Program: 28.3% 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: 97.7% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq 2 \cdot 10^{-216}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{\frac{i}{n}}\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;n \cdot \frac{\mathsf{fma}\left(100, t\_0, -100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 2e-216)
     (/ (* (expm1 (* n (log1p (/ i n)))) 100.0) (/ i n))
     (if (<= t_1 INFINITY)
       (* n (/ (fma 100.0 t_0 -100.0) i))
       (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_1 <= 2e-216) {
		tmp = (expm1((n * log1p((i / n)))) * 100.0) / (i / n);
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = n * (fma(100.0, t_0, -100.0) / i);
	} else {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	}
	return tmp;
}
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_1 <= 2e-216)
		tmp = Float64(Float64(expm1(Float64(n * log1p(Float64(i / n)))) * 100.0) / Float64(i / n));
	elseif (t_1 <= Inf)
		tmp = Float64(n * Float64(fma(100.0, t_0, -100.0) / i));
	else
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e-216], 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[(n * N[(N[(100.0 * t$95$0 + -100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq 2 \cdot 10^{-216}:\\
\;\;\;\;\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:\\
\;\;\;\;n \cdot \frac{\mathsf{fma}\left(100, t\_0, -100\right)}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < 2.0000000000000001e-216

    1. Initial program 30.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. *-commutative30.3%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      2. frac-2neg30.3%

        \[\leadsto \color{blue}{\frac{-\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{-\frac{i}{n}}} \cdot 100 \]
      3. associate-*l/30.3%

        \[\leadsto \color{blue}{\frac{\left(-\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)\right) \cdot 100}{-\frac{i}{n}}} \]
      4. add-exp-log30.3%

        \[\leadsto \frac{\left(-\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right)\right) \cdot 100}{-\frac{i}{n}} \]
      5. expm1-define30.3%

        \[\leadsto \frac{\left(-\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}\right) \cdot 100}{-\frac{i}{n}} \]
      6. log-pow37.8%

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

        \[\leadsto \frac{\left(-\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)\right) \cdot 100}{-\frac{i}{n}} \]
      8. distribute-neg-frac298.1%

        \[\leadsto \frac{\left(-\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)\right) \cdot 100}{\color{blue}{\frac{i}{-n}}} \]
    4. Applied egg-rr98.1%

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

    if 2.0000000000000001e-216 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < +inf.0

    1. Initial program 98.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/98.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*98.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative98.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/99.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg99.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in98.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define99.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval99.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified99.0%

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

    if +inf.0 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n))

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/1.8%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval1.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified1.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log1.8%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow1.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity1.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative1.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac1.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval1.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr1.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-11.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified1.8%

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

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg100.0%

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

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-216}:\\ \;\;\;\;\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{\frac{i}{n}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 96.9% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq 2 \cdot 10^{-216}:\\ \;\;\;\;n \cdot \frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;n \cdot \frac{\mathsf{fma}\left(100, t\_0, -100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 2e-216)
     (* n (/ 1.0 (* 0.01 (/ i (expm1 (* n (log1p (/ i n))))))))
     (if (<= t_1 INFINITY)
       (* n (/ (fma 100.0 t_0 -100.0) i))
       (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_1 <= 2e-216) {
		tmp = n * (1.0 / (0.01 * (i / expm1((n * log1p((i / n)))))));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = n * (fma(100.0, t_0, -100.0) / i);
	} else {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	}
	return tmp;
}
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_1 <= 2e-216)
		tmp = Float64(n * Float64(1.0 / Float64(0.01 * Float64(i / expm1(Float64(n * log1p(Float64(i / n))))))));
	elseif (t_1 <= Inf)
		tmp = Float64(n * Float64(fma(100.0, t_0, -100.0) / i));
	else
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e-216], N[(n * N[(1.0 / N[(0.01 * N[(i / N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(n * N[(N[(100.0 * t$95$0 + -100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq 2 \cdot 10^{-216}:\\
\;\;\;\;n \cdot \frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\\

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < 2.0000000000000001e-216

    1. Initial program 30.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/29.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*29.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative29.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/29.9%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg29.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval29.9%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified29.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg29.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log29.9%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow37.4%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define96.6%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr96.6%

      \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}{i} \]
    7. Step-by-step derivation
      1. clear-num96.6%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow96.6%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity96.6%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative96.6%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac96.6%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval96.6%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr96.6%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-196.6%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified96.6%

      \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]

    if 2.0000000000000001e-216 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < +inf.0

    1. Initial program 98.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/98.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*98.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative98.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/99.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg99.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in98.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define99.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval99.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified99.0%

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

    if +inf.0 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n))

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/1.8%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval1.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified1.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log1.8%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow1.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity1.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative1.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac1.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval1.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr1.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-11.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified1.8%

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

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg100.0%

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

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-216}:\\ \;\;\;\;n \cdot \frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 96.9% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_1 \leq 2 \cdot 10^{-216}:\\ \;\;\;\;n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\\ \mathbf{elif}\;t\_1 \leq \infty:\\ \;\;\;\;n \cdot \frac{\mathsf{fma}\left(100, t\_0, -100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 2e-216)
     (* n (/ (* (expm1 (* n (log1p (/ i n)))) 100.0) i))
     (if (<= t_1 INFINITY)
       (* n (/ (fma 100.0 t_0 -100.0) i))
       (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))))))
double code(double i, double n) {
	double t_0 = pow((1.0 + (i / n)), n);
	double t_1 = (t_0 + -1.0) / (i / n);
	double tmp;
	if (t_1 <= 2e-216) {
		tmp = n * ((expm1((n * log1p((i / n)))) * 100.0) / i);
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = n * (fma(100.0, t_0, -100.0) / i);
	} else {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	}
	return tmp;
}
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n)) ^ n
	t_1 = Float64(Float64(t_0 + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_1 <= 2e-216)
		tmp = Float64(n * Float64(Float64(expm1(Float64(n * log1p(Float64(i / n)))) * 100.0) / i));
	elseif (t_1 <= Inf)
		tmp = Float64(n * Float64(fma(100.0, t_0, -100.0) / i));
	else
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e-216], N[(n * N[(N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * 100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(n * N[(N[(100.0 * t$95$0 + -100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq 2 \cdot 10^{-216}:\\
\;\;\;\;n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\\

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < 2.0000000000000001e-216

    1. Initial program 30.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/29.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*29.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative29.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/29.9%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg29.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval29.9%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified29.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg29.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log29.9%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow37.4%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define96.6%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr96.6%

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

    if 2.0000000000000001e-216 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < +inf.0

    1. Initial program 98.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/98.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*98.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative98.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/99.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg99.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in98.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval98.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define99.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval99.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified99.0%

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

    if +inf.0 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n))

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/1.8%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval1.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified1.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log1.8%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow1.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity1.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative1.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac1.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval1.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr1.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-11.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified1.8%

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

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg100.0%

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

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-216}:\\ \;\;\;\;n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 96.6% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}}\\ \mathbf{if}\;t\_0 \leq 2 \cdot 10^{-216}:\\ \;\;\;\;n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\\ \mathbf{elif}\;t\_0 \leq \infty:\\ \;\;\;\;\frac{-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (/ (+ (pow (+ 1.0 (/ i n)) n) -1.0) (/ i n))))
   (if (<= t_0 2e-216)
     (* n (/ (* (expm1 (* n (log1p (/ i n)))) 100.0) i))
     (if (<= t_0 INFINITY)
       (/ (+ -100.0 (* 100.0 (pow (/ i n) n))) (/ i n))
       (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))))))
double code(double i, double n) {
	double t_0 = (pow((1.0 + (i / n)), n) + -1.0) / (i / n);
	double tmp;
	if (t_0 <= 2e-216) {
		tmp = n * ((expm1((n * log1p((i / n)))) * 100.0) / i);
	} else if (t_0 <= ((double) INFINITY)) {
		tmp = (-100.0 + (100.0 * pow((i / n), n))) / (i / n);
	} else {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = (Math.pow((1.0 + (i / n)), n) + -1.0) / (i / n);
	double tmp;
	if (t_0 <= 2e-216) {
		tmp = n * ((Math.expm1((n * Math.log1p((i / n)))) * 100.0) / i);
	} else if (t_0 <= Double.POSITIVE_INFINITY) {
		tmp = (-100.0 + (100.0 * Math.pow((i / n), n))) / (i / n);
	} else {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	}
	return tmp;
}
def code(i, n):
	t_0 = (math.pow((1.0 + (i / n)), n) + -1.0) / (i / n)
	tmp = 0
	if t_0 <= 2e-216:
		tmp = n * ((math.expm1((n * math.log1p((i / n)))) * 100.0) / i)
	elif t_0 <= math.inf:
		tmp = (-100.0 + (100.0 * math.pow((i / n), n))) / (i / n)
	else:
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))))
	return tmp
function code(i, n)
	t_0 = Float64(Float64((Float64(1.0 + Float64(i / n)) ^ n) + -1.0) / Float64(i / n))
	tmp = 0.0
	if (t_0 <= 2e-216)
		tmp = Float64(n * Float64(Float64(expm1(Float64(n * log1p(Float64(i / n)))) * 100.0) / i));
	elseif (t_0 <= Inf)
		tmp = Float64(Float64(-100.0 + Float64(100.0 * (Float64(i / n) ^ n))) / Float64(i / n));
	else
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(N[(N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision] + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$0, 2e-216], N[(n * N[(N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * 100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$0, Infinity], N[(N[(-100.0 + N[(100.0 * N[Power[N[(i / n), $MachinePrecision], n], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_0 \leq 2 \cdot 10^{-216}:\\
\;\;\;\;n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\\

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < 2.0000000000000001e-216

    1. Initial program 30.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/29.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*29.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative29.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/29.9%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg29.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval29.9%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified29.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval29.9%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in29.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg29.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log29.9%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define29.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow37.4%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define96.6%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr96.6%

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

    if 2.0000000000000001e-216 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < +inf.0

    1. Initial program 98.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/99.0%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg99.0%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in98.8%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval98.8%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval98.8%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified98.8%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around inf 98.8%

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

    if +inf.0 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n))

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/1.8%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval1.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified1.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval1.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in1.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg1.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log1.8%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define1.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define1.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr1.8%

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

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow1.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity1.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative1.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac1.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval1.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr1.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-11.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified1.8%

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

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg100.0%

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

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-216}:\\ \;\;\;\;n \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}{i}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;\frac{-100 + 100 \cdot {\left(\frac{i}{n}\right)}^{n}}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 87.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -0.00014 \lor \neg \left(n \leq 1.65 \cdot 10^{-5}\right):\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -0.00014) (not (<= n 1.65e-5)))
   (* n (/ (* 100.0 (expm1 i)) i))
   (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))))
double code(double i, double n) {
	double tmp;
	if ((n <= -0.00014) || !(n <= 1.65e-5)) {
		tmp = n * ((100.0 * expm1(i)) / i);
	} else {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -0.00014) || !(n <= 1.65e-5)) {
		tmp = n * ((100.0 * Math.expm1(i)) / i);
	} else {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -0.00014) or not (n <= 1.65e-5):
		tmp = n * ((100.0 * math.expm1(i)) / i)
	else:
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -0.00014) || !(n <= 1.65e-5))
		tmp = Float64(n * Float64(Float64(100.0 * expm1(i)) / i));
	else
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -0.00014], N[Not[LessEqual[n, 1.65e-5]], $MachinePrecision]], N[(n * N[(N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -0.00014 \lor \neg \left(n \leq 1.65 \cdot 10^{-5}\right):\\
\;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.3999999999999999e-4 or 1.6500000000000001e-5 < n

    1. Initial program 26.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/26.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*26.5%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative26.5%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/26.6%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg26.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in26.6%

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define26.6%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified26.6%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 39.7%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg39.7%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval39.7%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval39.7%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in39.7%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval39.7%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg39.7%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define91.4%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified91.4%

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

    if -1.3999999999999999e-4 < n < 1.6500000000000001e-5

    1. Initial program 34.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/34.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*34.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative34.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/34.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg34.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in34.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval34.0%

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval34.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified34.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine34.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in34.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg34.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative34.0%

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

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow50.3%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define84.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr84.8%

      \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}{i} \]
    7. Step-by-step derivation
      1. clear-num84.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow84.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity84.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative84.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac84.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval84.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr84.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-184.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified84.8%

      \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    11. Taylor expanded in i around 0 84.5%

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    13. Simplified84.5%

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification88.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -0.00014 \lor \neg \left(n \leq 1.65 \cdot 10^{-5}\right):\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 87.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -0.00015:\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{elif}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -0.00015)
   (* n (/ (* 100.0 (expm1 i)) i))
   (if (<= n 1.65e-5)
     (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))
     (* 100.0 (* n (/ (expm1 i) i))))))
double code(double i, double n) {
	double tmp;
	if (n <= -0.00015) {
		tmp = n * ((100.0 * expm1(i)) / i);
	} else if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = 100.0 * (n * (expm1(i) / i));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -0.00015) {
		tmp = n * ((100.0 * Math.expm1(i)) / i);
	} else if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -0.00015:
		tmp = n * ((100.0 * math.expm1(i)) / i)
	elif n <= 1.65e-5:
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))))
	else:
		tmp = 100.0 * (n * (math.expm1(i) / i))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -0.00015)
		tmp = Float64(n * Float64(Float64(100.0 * expm1(i)) / i));
	elseif (n <= 1.65e-5)
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	else
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -0.00015], N[(n * N[(N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.65e-5], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $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 -0.00015:\\
\;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\

\mathbf{elif}\;n \leq 1.65 \cdot 10^{-5}:\\
\;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\

\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 < -1.49999999999999987e-4

    1. Initial program 31.0%

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

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

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

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/31.5%

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

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

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval31.5%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval31.5%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval31.5%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define31.5%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval31.5%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified31.5%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 37.0%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg37.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval37.0%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval37.0%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in37.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval37.0%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg37.0%

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

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified88.1%

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

    if -1.49999999999999987e-4 < n < 1.6500000000000001e-5

    1. Initial program 34.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/34.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*34.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative34.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/34.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg34.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in34.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval34.0%

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval34.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified34.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine34.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}{i} \]
      3. metadata-eval34.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in34.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg34.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative34.0%

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

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow50.3%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define84.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr84.8%

      \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}{i} \]
    7. Step-by-step derivation
      1. clear-num84.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow84.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity84.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative84.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac84.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval84.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr84.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-184.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified84.8%

      \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    11. Taylor expanded in i around 0 84.5%

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval84.5%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    13. Simplified84.5%

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

    if 1.6500000000000001e-5 < n

    1. Initial program 20.1%

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

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    4. Step-by-step derivation
      1. *-commutative43.0%

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

        \[\leadsto \color{blue}{\left(n \cdot \frac{e^{i} - 1}{i}\right)} \cdot 100 \]
      3. expm1-define95.6%

        \[\leadsto \left(n \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i}\right) \cdot 100 \]
    5. Simplified95.6%

      \[\leadsto \color{blue}{\left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right) \cdot 100} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification88.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -0.00015:\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{elif}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 65.4% accurate, 4.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -6 \cdot 10^{+92}:\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \mathbf{elif}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -6e+92)
   (* n (+ 100.0 (* i (+ 50.0 (* i 16.666666666666668)))))
   (if (<= n 1.65e-5)
     (* 100.0 (/ i (/ i n)))
     (*
      n
      (+
       100.0
       (* i (+ 50.0 (* i (+ 16.666666666666668 (* i 4.166666666666667))))))))))
double code(double i, double n) {
	double tmp;
	if (n <= -6e+92) {
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	} else if (n <= 1.65e-5) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-6d+92)) then
        tmp = n * (100.0d0 + (i * (50.0d0 + (i * 16.666666666666668d0))))
    else if (n <= 1.65d-5) then
        tmp = 100.0d0 * (i / (i / n))
    else
        tmp = n * (100.0d0 + (i * (50.0d0 + (i * (16.666666666666668d0 + (i * 4.166666666666667d0))))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -6e+92) {
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	} else if (n <= 1.65e-5) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -6e+92:
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))))
	elif n <= 1.65e-5:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -6e+92)
		tmp = Float64(n * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * 16.666666666666668)))));
	elseif (n <= 1.65e-5)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * Float64(16.666666666666668 + Float64(i * 4.166666666666667)))))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -6e+92)
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	elseif (n <= 1.65e-5)
		tmp = 100.0 * (i / (i / n));
	else
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -6e+92], N[(n * N[(100.0 + N[(i * N[(50.0 + N[(i * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.65e-5], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * N[(50.0 + N[(i * N[(16.666666666666668 + N[(i * 4.166666666666667), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -6 \cdot 10^{+92}:\\
\;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\

\mathbf{elif}\;n \leq 1.65 \cdot 10^{-5}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -6.00000000000000026e92

    1. Initial program 24.1%

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

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.7%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.7%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.8%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg24.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in24.8%

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.8%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified24.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 35.3%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg35.3%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval35.3%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval35.3%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in35.4%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval35.4%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg35.4%

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

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified88.3%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 64.5%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot \left(50 + 16.666666666666668 \cdot i\right)\right)} \]
    9. Step-by-step derivation
      1. *-commutative64.5%

        \[\leadsto n \cdot \left(100 + i \cdot \left(50 + \color{blue}{i \cdot 16.666666666666668}\right)\right) \]
    10. Simplified64.5%

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

    if -6.00000000000000026e92 < n < 1.6500000000000001e-5

    1. Initial program 37.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 64.7%

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

    if 1.6500000000000001e-5 < n

    1. Initial program 20.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/20.6%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative20.6%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg20.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in20.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval20.6%

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval20.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified20.6%

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

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg42.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define95.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified95.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 78.9%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + 4.166666666666667 \cdot i\right)\right)\right)} \]
    9. Step-by-step derivation
      1. *-commutative78.9%

        \[\leadsto n \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + \color{blue}{i \cdot 4.166666666666667}\right)\right)\right) \]
    10. Simplified78.9%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Add Preprocessing

Alternative 8: 72.7% accurate, 4.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \frac{i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n 1.65e-5)
   (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))
   (*
    n
    (/
     (*
      i
      (+
       100.0
       (* i (+ 50.0 (* i (+ 16.666666666666668 (* i 4.166666666666667)))))))
     i))))
double code(double i, double n) {
	double tmp;
	if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = n * ((i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))))) / i);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= 1.65d-5) then
        tmp = n * (1.0d0 / (0.01d0 + (0.01d0 * (i * ((0.5d0 / n) + (-0.5d0))))))
    else
        tmp = n * ((i * (100.0d0 + (i * (50.0d0 + (i * (16.666666666666668d0 + (i * 4.166666666666667d0))))))) / i)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = n * ((i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))))) / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= 1.65e-5:
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))))
	else:
		tmp = n * ((i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))))) / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= 1.65e-5)
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	else
		tmp = Float64(n * Float64(Float64(i * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * Float64(16.666666666666668 + Float64(i * 4.166666666666667))))))) / i));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= 1.65e-5)
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	else
		tmp = n * ((i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))))) / i);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, 1.65e-5], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(N[(i * N[(100.0 + N[(i * N[(50.0 + N[(i * N[(16.666666666666668 + N[(i * 4.166666666666667), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq 1.65 \cdot 10^{-5}:\\
\;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \frac{i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)}{i}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < 1.6500000000000001e-5

    1. Initial program 33.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/32.9%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative32.9%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg32.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in32.9%

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define32.9%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified32.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine32.9%

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in32.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg32.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative32.9%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log32.9%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define32.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow37.2%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define76.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr76.8%

      \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}{i} \]
    7. Step-by-step derivation
      1. clear-num76.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow76.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity76.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative76.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac76.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval76.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr76.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-176.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified76.8%

      \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    11. Taylor expanded in i around 0 73.8%

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    13. Simplified73.8%

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

    if 1.6500000000000001e-5 < n

    1. Initial program 20.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/20.6%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative20.6%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg20.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in20.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval20.6%

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval20.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified20.6%

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

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg42.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define95.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified95.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 80.2%

      \[\leadsto n \cdot \frac{\color{blue}{i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + 4.166666666666667 \cdot i\right)\right)\right)}}{i} \]
    9. Step-by-step derivation
      1. *-commutative80.2%

        \[\leadsto n \cdot \frac{i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + \color{blue}{i \cdot 4.166666666666667}\right)\right)\right)}{i} \]
    10. Simplified80.2%

      \[\leadsto n \cdot \frac{\color{blue}{i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)}}{i} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 9: 72.7% accurate, 5.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot \left(0.5 + i \cdot \left(0.16666666666666666 + i \cdot 0.041666666666666664\right)\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n 1.65e-5)
   (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))
   (*
    100.0
    (*
     n
     (+
      1.0
      (*
       i
       (+ 0.5 (* i (+ 0.16666666666666666 (* i 0.041666666666666664))))))))))
double code(double i, double n) {
	double tmp;
	if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = 100.0 * (n * (1.0 + (i * (0.5 + (i * (0.16666666666666666 + (i * 0.041666666666666664)))))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= 1.65d-5) then
        tmp = n * (1.0d0 / (0.01d0 + (0.01d0 * (i * ((0.5d0 / n) + (-0.5d0))))))
    else
        tmp = 100.0d0 * (n * (1.0d0 + (i * (0.5d0 + (i * (0.16666666666666666d0 + (i * 0.041666666666666664d0)))))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = 100.0 * (n * (1.0 + (i * (0.5 + (i * (0.16666666666666666 + (i * 0.041666666666666664)))))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= 1.65e-5:
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))))
	else:
		tmp = 100.0 * (n * (1.0 + (i * (0.5 + (i * (0.16666666666666666 + (i * 0.041666666666666664)))))))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= 1.65e-5)
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	else
		tmp = Float64(100.0 * Float64(n * Float64(1.0 + Float64(i * Float64(0.5 + Float64(i * Float64(0.16666666666666666 + Float64(i * 0.041666666666666664))))))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= 1.65e-5)
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	else
		tmp = 100.0 * (n * (1.0 + (i * (0.5 + (i * (0.16666666666666666 + (i * 0.041666666666666664)))))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, 1.65e-5], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(n * N[(1.0 + N[(i * N[(0.5 + N[(i * N[(0.16666666666666666 + N[(i * 0.041666666666666664), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq 1.65 \cdot 10^{-5}:\\
\;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot \left(0.5 + i \cdot \left(0.16666666666666666 + i \cdot 0.041666666666666664\right)\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < 1.6500000000000001e-5

    1. Initial program 33.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/32.9%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative32.9%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg32.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in32.9%

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define32.9%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified32.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine32.9%

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in32.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg32.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative32.9%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log32.9%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define32.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow37.2%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define76.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr76.8%

      \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}{i} \]
    7. Step-by-step derivation
      1. clear-num76.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow76.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity76.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative76.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac76.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval76.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr76.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-176.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified76.8%

      \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    11. Taylor expanded in i around 0 73.8%

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    13. Simplified73.8%

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

    if 1.6500000000000001e-5 < n

    1. Initial program 20.1%

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

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    4. Step-by-step derivation
      1. *-commutative43.0%

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

        \[\leadsto \color{blue}{\left(n \cdot \frac{e^{i} - 1}{i}\right)} \cdot 100 \]
      3. expm1-define95.6%

        \[\leadsto \left(n \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i}\right) \cdot 100 \]
    5. Simplified95.6%

      \[\leadsto \color{blue}{\left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right) \cdot 100} \]
    6. Taylor expanded in i around 0 78.9%

      \[\leadsto \left(n \cdot \color{blue}{\left(1 + i \cdot \left(0.5 + i \cdot \left(0.16666666666666666 + 0.041666666666666664 \cdot i\right)\right)\right)}\right) \cdot 100 \]
    7. Step-by-step derivation
      1. *-commutative78.9%

        \[\leadsto \left(n \cdot \left(1 + i \cdot \left(0.5 + i \cdot \left(0.16666666666666666 + \color{blue}{i \cdot 0.041666666666666664}\right)\right)\right)\right) \cdot 100 \]
    8. Simplified78.9%

      \[\leadsto \left(n \cdot \color{blue}{\left(1 + i \cdot \left(0.5 + i \cdot \left(0.16666666666666666 + i \cdot 0.041666666666666664\right)\right)\right)}\right) \cdot 100 \]
  3. Recombined 2 regimes into one program.
  4. Final simplification75.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n \cdot \left(1 + i \cdot \left(0.5 + i \cdot \left(0.16666666666666666 + i \cdot 0.041666666666666664\right)\right)\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 63.3% accurate, 5.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -6 \cdot 10^{+92} \lor \neg \left(n \leq 6 \cdot 10^{+16}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -6e+92) (not (<= n 6e+16)))
   (* n (+ 100.0 (* i (+ 50.0 (* i 16.666666666666668)))))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -6e+92) || !(n <= 6e+16)) {
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-6d+92)) .or. (.not. (n <= 6d+16))) then
        tmp = n * (100.0d0 + (i * (50.0d0 + (i * 16.666666666666668d0))))
    else
        tmp = 100.0d0 * (i / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -6e+92) || !(n <= 6e+16)) {
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -6e+92) or not (n <= 6e+16):
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))))
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -6e+92) || !(n <= 6e+16))
		tmp = Float64(n * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * 16.666666666666668)))));
	else
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -6e+92) || ~((n <= 6e+16)))
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -6e+92], N[Not[LessEqual[n, 6e+16]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * N[(50.0 + N[(i * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -6 \cdot 10^{+92} \lor \neg \left(n \leq 6 \cdot 10^{+16}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -6.00000000000000026e92 or 6e16 < n

    1. Initial program 21.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/22.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*22.1%

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

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/22.1%

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

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

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define22.1%

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

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

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 40.0%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg40.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval40.0%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval40.0%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in40.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval40.0%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg40.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define92.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified92.8%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 70.3%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot \left(50 + 16.666666666666668 \cdot i\right)\right)} \]
    9. Step-by-step derivation
      1. *-commutative70.3%

        \[\leadsto n \cdot \left(100 + i \cdot \left(50 + \color{blue}{i \cdot 16.666666666666668}\right)\right) \]
    10. Simplified70.3%

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

    if -6.00000000000000026e92 < n < 6e16

    1. Initial program 37.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 64.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification67.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -6 \cdot 10^{+92} \lor \neg \left(n \leq 6 \cdot 10^{+16}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 72.7% accurate, 5.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n 1.65e-5)
   (* n (/ 1.0 (+ 0.01 (* 0.01 (* i (+ (/ 0.5 n) -0.5))))))
   (*
    n
    (+
     100.0
     (* i (+ 50.0 (* i (+ 16.666666666666668 (* i 4.166666666666667)))))))))
double code(double i, double n) {
	double tmp;
	if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= 1.65d-5) then
        tmp = n * (1.0d0 / (0.01d0 + (0.01d0 * (i * ((0.5d0 / n) + (-0.5d0))))))
    else
        tmp = n * (100.0d0 + (i * (50.0d0 + (i * (16.666666666666668d0 + (i * 4.166666666666667d0))))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= 1.65e-5) {
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	} else {
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= 1.65e-5:
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))))
	else:
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= 1.65e-5)
		tmp = Float64(n * Float64(1.0 / Float64(0.01 + Float64(0.01 * Float64(i * Float64(Float64(0.5 / n) + -0.5))))));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * Float64(16.666666666666668 + Float64(i * 4.166666666666667)))))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= 1.65e-5)
		tmp = n * (1.0 / (0.01 + (0.01 * (i * ((0.5 / n) + -0.5)))));
	else
		tmp = n * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667))))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, 1.65e-5], N[(n * N[(1.0 / N[(0.01 + N[(0.01 * N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * N[(50.0 + N[(i * N[(16.666666666666668 + N[(i * 4.166666666666667), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq 1.65 \cdot 10^{-5}:\\
\;\;\;\;n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < 1.6500000000000001e-5

    1. Initial program 33.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/32.9%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative32.9%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg32.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in32.9%

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define32.9%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified32.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine32.9%

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}{i} \]
      4. distribute-lft-in32.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      5. sub-neg32.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{i} \]
      6. *-commutative32.9%

        \[\leadsto n \cdot \frac{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}{i} \]
      7. add-exp-log32.9%

        \[\leadsto n \cdot \frac{\left(\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1\right) \cdot 100}{i} \]
      8. expm1-define32.9%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)} \cdot 100}{i} \]
      9. log-pow37.2%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right) \cdot 100}{i} \]
      10. log1p-define76.8%

        \[\leadsto n \cdot \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right) \cdot 100}{i} \]
    6. Applied egg-rr76.8%

      \[\leadsto n \cdot \frac{\color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}{i} \]
    7. Step-by-step derivation
      1. clear-num76.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
      2. inv-pow76.8%

        \[\leadsto n \cdot \color{blue}{{\left(\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1}} \]
      3. *-un-lft-identity76.8%

        \[\leadsto n \cdot {\left(\frac{\color{blue}{1 \cdot i}}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}\right)}^{-1} \]
      4. *-commutative76.8%

        \[\leadsto n \cdot {\left(\frac{1 \cdot i}{\color{blue}{100 \cdot \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}\right)}^{-1} \]
      5. times-frac76.8%

        \[\leadsto n \cdot {\color{blue}{\left(\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}}^{-1} \]
      6. metadata-eval76.8%

        \[\leadsto n \cdot {\left(\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1} \]
    8. Applied egg-rr76.8%

      \[\leadsto n \cdot \color{blue}{{\left(0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-176.8%

        \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    10. Simplified76.8%

      \[\leadsto n \cdot \color{blue}{\frac{1}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    11. Taylor expanded in i around 0 73.8%

      \[\leadsto n \cdot \frac{1}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    12. Step-by-step derivation
      1. sub-neg73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval73.8%

        \[\leadsto n \cdot \frac{1}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    13. Simplified73.8%

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

    if 1.6500000000000001e-5 < n

    1. Initial program 20.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/20.6%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative20.6%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg20.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in20.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval20.6%

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval20.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified20.6%

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

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg42.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define95.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified95.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 78.9%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + 4.166666666666667 \cdot i\right)\right)\right)} \]
    9. Step-by-step derivation
      1. *-commutative78.9%

        \[\leadsto n \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + \color{blue}{i \cdot 4.166666666666667}\right)\right)\right) \]
    10. Simplified78.9%

      \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Add Preprocessing

Alternative 12: 61.4% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -7.8 \cdot 10^{+93} \lor \neg \left(n \leq 1.05 \cdot 10^{-5}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -7.8e+93) (not (<= n 1.05e-5)))
   (* n (+ 100.0 (* i 50.0)))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -7.8e+93) || !(n <= 1.05e-5)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-7.8d+93)) .or. (.not. (n <= 1.05d-5))) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else
        tmp = 100.0d0 * (i / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -7.8e+93) || !(n <= 1.05e-5)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -7.8e+93) or not (n <= 1.05e-5):
		tmp = n * (100.0 + (i * 50.0))
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -7.8e+93) || !(n <= 1.05e-5))
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	else
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -7.8e+93) || ~((n <= 1.05e-5)))
		tmp = n * (100.0 + (i * 50.0));
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -7.8e+93], N[Not[LessEqual[n, 1.05e-5]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -7.8 \cdot 10^{+93} \lor \neg \left(n \leq 1.05 \cdot 10^{-5}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -7.8000000000000005e93 or 1.04999999999999994e-5 < n

    1. Initial program 22.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/22.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*22.5%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative22.5%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/22.5%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg22.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in22.5%

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define22.5%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified22.5%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 39.4%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg39.4%

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

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval39.4%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in39.4%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval39.4%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg39.4%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define92.1%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified92.1%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 64.9%

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

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    10. Simplified64.9%

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

    if -7.8000000000000005e93 < n < 1.04999999999999994e-5

    1. Initial program 37.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 64.7%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -7.8 \cdot 10^{+93} \lor \neg \left(n \leq 1.05 \cdot 10^{-5}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 55.2% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -1 \cdot 10^{+128} \lor \neg \left(i \leq 10^{-14}\right):\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -1e+128) (not (<= i 1e-14)))
   (* 100.0 (/ i (/ i n)))
   (* n 100.0)))
double code(double i, double n) {
	double tmp;
	if ((i <= -1e+128) || !(i <= 1e-14)) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((i <= (-1d+128)) .or. (.not. (i <= 1d-14))) then
        tmp = 100.0d0 * (i / (i / n))
    else
        tmp = n * 100.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((i <= -1e+128) || !(i <= 1e-14)) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -1e+128) or not (i <= 1e-14):
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -1e+128) || !(i <= 1e-14))
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(n * 100.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((i <= -1e+128) || ~((i <= 1e-14)))
		tmp = 100.0 * (i / (i / n));
	else
		tmp = n * 100.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[i, -1e+128], N[Not[LessEqual[i, 1e-14]], $MachinePrecision]], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -1 \cdot 10^{+128} \lor \neg \left(i \leq 10^{-14}\right):\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -1.0000000000000001e128 or 9.99999999999999999e-15 < i

    1. Initial program 57.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 36.4%

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

    if -1.0000000000000001e128 < i < 9.99999999999999999e-15

    1. Initial program 12.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 75.4%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative75.4%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified75.4%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification60.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -1 \cdot 10^{+128} \lor \neg \left(i \leq 10^{-14}\right):\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 54.8% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -3 \cdot 10^{+111} \lor \neg \left(i \leq 5 \cdot 10^{-22}\right):\\ \;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -3e+111) (not (<= i 5e-22)))
   (* 100.0 (* i (/ n i)))
   (* n 100.0)))
double code(double i, double n) {
	double tmp;
	if ((i <= -3e+111) || !(i <= 5e-22)) {
		tmp = 100.0 * (i * (n / i));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((i <= (-3d+111)) .or. (.not. (i <= 5d-22))) then
        tmp = 100.0d0 * (i * (n / i))
    else
        tmp = n * 100.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((i <= -3e+111) || !(i <= 5e-22)) {
		tmp = 100.0 * (i * (n / i));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -3e+111) or not (i <= 5e-22):
		tmp = 100.0 * (i * (n / i))
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -3e+111) || !(i <= 5e-22))
		tmp = Float64(100.0 * Float64(i * Float64(n / i)));
	else
		tmp = Float64(n * 100.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((i <= -3e+111) || ~((i <= 5e-22)))
		tmp = 100.0 * (i * (n / i));
	else
		tmp = n * 100.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[i, -3e+111], N[Not[LessEqual[i, 5e-22]], $MachinePrecision]], N[(100.0 * N[(i * N[(n / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -3 \cdot 10^{+111} \lor \neg \left(i \leq 5 \cdot 10^{-22}\right):\\
\;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -3e111 or 4.99999999999999954e-22 < i

    1. Initial program 55.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 36.1%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. div-inv36.1%

        \[\leadsto 100 \cdot \color{blue}{\left(i \cdot \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num34.2%

        \[\leadsto 100 \cdot \left(i \cdot \color{blue}{\frac{n}{i}}\right) \]
    5. Applied egg-rr34.2%

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

    if -3e111 < i < 4.99999999999999954e-22

    1. Initial program 12.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 77.4%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative77.4%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified77.4%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification60.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -3 \cdot 10^{+111} \lor \neg \left(i \leq 5 \cdot 10^{-22}\right):\\ \;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 61.0% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.7 \cdot 10^{+125}:\\ \;\;\;\;\frac{1}{0.01 \cdot \frac{i}{i \cdot n}}\\ \mathbf{elif}\;n \leq 1.65 \cdot 10^{-5}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -1.7e+125)
   (/ 1.0 (* 0.01 (/ i (* i n))))
   (if (<= n 1.65e-5) (* 100.0 (/ i (/ i n))) (* n (+ 100.0 (* i 50.0))))))
double code(double i, double n) {
	double tmp;
	if (n <= -1.7e+125) {
		tmp = 1.0 / (0.01 * (i / (i * n)));
	} else if (n <= 1.65e-5) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-1.7d+125)) then
        tmp = 1.0d0 / (0.01d0 * (i / (i * n)))
    else if (n <= 1.65d-5) then
        tmp = 100.0d0 * (i / (i / n))
    else
        tmp = n * (100.0d0 + (i * 50.0d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -1.7e+125) {
		tmp = 1.0 / (0.01 * (i / (i * n)));
	} else if (n <= 1.65e-5) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -1.7e+125:
		tmp = 1.0 / (0.01 * (i / (i * n)))
	elif n <= 1.65e-5:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -1.7e+125)
		tmp = Float64(1.0 / Float64(0.01 * Float64(i / Float64(i * n))));
	elseif (n <= 1.65e-5)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -1.7e+125)
		tmp = 1.0 / (0.01 * (i / (i * n)));
	elseif (n <= 1.65e-5)
		tmp = 100.0 * (i / (i / n));
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -1.7e+125], N[(1.0 / N[(0.01 * N[(i / N[(i * n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.65e-5], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.7 \cdot 10^{+125}:\\
\;\;\;\;\frac{1}{0.01 \cdot \frac{i}{i \cdot n}}\\

\mathbf{elif}\;n \leq 1.65 \cdot 10^{-5}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.6999999999999999e125

    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 26.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. associate-*r/26.2%

        \[\leadsto \color{blue}{\frac{100 \cdot i}{\frac{i}{n}}} \]
      2. *-commutative26.2%

        \[\leadsto \frac{\color{blue}{i \cdot 100}}{\frac{i}{n}} \]
      3. clear-num26.2%

        \[\leadsto \color{blue}{\frac{1}{\frac{\frac{i}{n}}{i \cdot 100}}} \]
    5. Applied egg-rr26.2%

      \[\leadsto \color{blue}{\frac{1}{\frac{\frac{i}{n}}{i \cdot 100}}} \]
    6. Step-by-step derivation
      1. *-un-lft-identity26.2%

        \[\leadsto \frac{1}{\color{blue}{1 \cdot \frac{\frac{i}{n}}{i \cdot 100}}} \]
      2. *-un-lft-identity26.2%

        \[\leadsto \frac{1}{1 \cdot \frac{\color{blue}{1 \cdot \frac{i}{n}}}{i \cdot 100}} \]
      3. *-commutative26.2%

        \[\leadsto \frac{1}{1 \cdot \frac{1 \cdot \frac{i}{n}}{\color{blue}{100 \cdot i}}} \]
      4. times-frac26.2%

        \[\leadsto \frac{1}{1 \cdot \color{blue}{\left(\frac{1}{100} \cdot \frac{\frac{i}{n}}{i}\right)}} \]
      5. metadata-eval26.2%

        \[\leadsto \frac{1}{1 \cdot \left(\color{blue}{0.01} \cdot \frac{\frac{i}{n}}{i}\right)} \]
    7. Applied egg-rr26.2%

      \[\leadsto \frac{1}{\color{blue}{1 \cdot \left(0.01 \cdot \frac{\frac{i}{n}}{i}\right)}} \]
    8. Step-by-step derivation
      1. *-lft-identity26.2%

        \[\leadsto \frac{1}{\color{blue}{0.01 \cdot \frac{\frac{i}{n}}{i}}} \]
      2. associate-/l/63.6%

        \[\leadsto \frac{1}{0.01 \cdot \color{blue}{\frac{i}{i \cdot n}}} \]
    9. Simplified63.6%

      \[\leadsto \frac{1}{\color{blue}{0.01 \cdot \frac{i}{i \cdot n}}} \]

    if -1.6999999999999999e125 < n < 1.6500000000000001e-5

    1. Initial program 37.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 64.0%

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

    if 1.6500000000000001e-5 < n

    1. Initial program 20.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/20.6%

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative20.6%

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

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg20.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in20.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval20.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval20.6%

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

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval20.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified20.6%

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

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in42.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval42.9%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg42.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define95.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified95.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 67.4%

      \[\leadsto n \cdot \color{blue}{\left(100 + 50 \cdot i\right)} \]
    9. Step-by-step derivation
      1. *-commutative67.4%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    10. Simplified67.4%

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

Alternative 16: 55.2% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -1 \cdot 10^{+128}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 2.1 \cdot 10^{-19}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;i \cdot \frac{100}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -1e+128)
   (* 100.0 (/ i (/ i n)))
   (if (<= i 2.1e-19) (* n 100.0) (* i (/ 100.0 (/ i n))))))
double code(double i, double n) {
	double tmp;
	if (i <= -1e+128) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 2.1e-19) {
		tmp = n * 100.0;
	} else {
		tmp = i * (100.0 / (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 <= (-1d+128)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (i <= 2.1d-19) then
        tmp = n * 100.0d0
    else
        tmp = i * (100.0d0 / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -1e+128) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 2.1e-19) {
		tmp = n * 100.0;
	} else {
		tmp = i * (100.0 / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -1e+128:
		tmp = 100.0 * (i / (i / n))
	elif i <= 2.1e-19:
		tmp = n * 100.0
	else:
		tmp = i * (100.0 / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -1e+128)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (i <= 2.1e-19)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(i * Float64(100.0 / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -1e+128)
		tmp = 100.0 * (i / (i / n));
	elseif (i <= 2.1e-19)
		tmp = n * 100.0;
	else
		tmp = i * (100.0 / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -1e+128], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 2.1e-19], N[(n * 100.0), $MachinePrecision], N[(i * N[(100.0 / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -1 \cdot 10^{+128}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 2.1 \cdot 10^{-19}:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -1.0000000000000001e128

    1. Initial program 91.7%

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

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

    if -1.0000000000000001e128 < i < 2.0999999999999999e-19

    1. Initial program 12.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 75.3%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative75.3%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified75.3%

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

    if 2.0999999999999999e-19 < i

    1. Initial program 43.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 29.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. associate-*r/29.5%

        \[\leadsto \color{blue}{\frac{100 \cdot i}{\frac{i}{n}}} \]
      2. *-commutative29.5%

        \[\leadsto \frac{\color{blue}{i \cdot 100}}{\frac{i}{n}} \]
    5. Applied egg-rr29.5%

      \[\leadsto \color{blue}{\frac{i \cdot 100}{\frac{i}{n}}} \]
    6. Step-by-step derivation
      1. associate-/l*29.5%

        \[\leadsto \color{blue}{i \cdot \frac{100}{\frac{i}{n}}} \]
    7. Simplified29.5%

      \[\leadsto \color{blue}{i \cdot \frac{100}{\frac{i}{n}}} \]
  3. Recombined 3 regimes into one program.
  4. Add Preprocessing

Alternative 17: 48.6% accurate, 38.0× speedup?

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

\\
n \cdot 100
\end{array}
Derivation
  1. Initial program 29.5%

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

Developer Target 1: 34.7% 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 2024113 
(FPCore (i n)
  :name "Compound Interest"
  :precision binary64

  :alt
  (! :herbie-platform default (let ((lnbase (if (== (+ 1 (/ i n)) 1) (/ i n) (/ (* (/ i n) (log (+ 1 (/ i n)))) (- (+ (/ i n) 1) 1))))) (* 100 (/ (- (exp (* n lnbase)) 1) (/ i n)))))

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