Compound Interest

Percentage Accurate: 27.8% → 96.7%
Time: 18.7s
Alternatives: 18
Speedup: 38.0×

Specification

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

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

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 18 alternatives:

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

Initial Program: 27.8% 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: 96.7% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t_1 \leq 2 \cdot 10^{-173}:\\ \;\;\;\;\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}\\ \mathbf{elif}\;t_1 \leq \infty:\\ \;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 2e-173)
     (/ n (/ i (* (expm1 (* n (log1p (/ i n)))) 100.0)))
     (if (<= t_1 INFINITY)
       (* n (/ (+ (* t_0 100.0) -100.0) i))
       (/ 1.0 (/ (fma (* i 0.01) (+ -0.5 (/ 0.5 n)) 0.01) n))))))
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-173) {
		tmp = n / (i / (expm1((n * log1p((i / n)))) * 100.0));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = n * (((t_0 * 100.0) + -100.0) / i);
	} else {
		tmp = 1.0 / (fma((i * 0.01), (-0.5 + (0.5 / n)), 0.01) / n);
	}
	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-173)
		tmp = Float64(n / Float64(i / Float64(expm1(Float64(n * log1p(Float64(i / n)))) * 100.0)));
	elseif (t_1 <= Inf)
		tmp = Float64(n * Float64(Float64(Float64(t_0 * 100.0) + -100.0) / i));
	else
		tmp = Float64(1.0 / Float64(fma(Float64(i * 0.01), Float64(-0.5 + Float64(0.5 / n)), 0.01) / n));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e-173], N[(n / N[(i / N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * 100.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(n * N[(N[(N[(t$95$0 * 100.0), $MachinePrecision] + -100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(N[(N[(i * 0.01), $MachinePrecision] * N[(-0.5 + N[(0.5 / n), $MachinePrecision]), $MachinePrecision] + 0.01), $MachinePrecision] / n), $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^{-173}:\\
\;\;\;\;\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}\\

\mathbf{elif}\;t_1 \leq \infty:\\
\;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 2.0000000000000001e-173

    1. Initial program 25.5%

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

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in25.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval25.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval25.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef25.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/25.5%

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

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num25.5%

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

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef25.5%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval25.5%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval25.5%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in25.5%

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

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

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

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

    if 2.0000000000000001e-173 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 99.7%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    1. Initial program 0.0%

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

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

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

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

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

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

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/1.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative1.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num1.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv1.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef1.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in1.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg1.9%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative1.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr1.9%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 99.9%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def99.9%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified99.9%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Step-by-step derivation
      1. clear-num99.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}}} \]
      2. inv-pow99.9%

        \[\leadsto \color{blue}{{\left(\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}\right)}^{-1}} \]
    8. Applied egg-rr99.9%

      \[\leadsto \color{blue}{{\left(\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-199.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}}} \]
      2. fma-def99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) + 0.01}}{n}} \]
      3. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5 \cdot 1}}{n} + -0.5\right)\right) + 0.01}{n}} \]
      4. associate-*r/99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(\color{blue}{0.5 \cdot \frac{1}{n}} + -0.5\right)\right) + 0.01}{n}} \]
      5. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} + \color{blue}{\left(-0.5\right)}\right)\right) + 0.01}{n}} \]
      6. sub-neg99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} - 0.5\right)}\right) + 0.01}{n}} \]
      7. associate-*r*99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\left(0.01 \cdot i\right) \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)} + 0.01}{n}} \]
      8. *-commutative99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\left(i \cdot 0.01\right)} \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right) + 0.01}{n}} \]
      9. fma-def99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(i \cdot 0.01, 0.5 \cdot \frac{1}{n} - 0.5, 0.01\right)}}{n}} \]
      10. sub-neg99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{0.5 \cdot \frac{1}{n} + \left(-0.5\right)}, 0.01\right)}{n}} \]
      11. associate-*r/99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right), 0.01\right)}{n}} \]
      12. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \frac{\color{blue}{0.5}}{n} + \left(-0.5\right), 0.01\right)}{n}} \]
      13. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \frac{0.5}{n} + \color{blue}{-0.5}, 0.01\right)}{n}} \]
      14. +-commutative99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{-0.5 + \frac{0.5}{n}}, 0.01\right)}{n}} \]
    10. Simplified99.9%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-173}:\\ \;\;\;\;\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;n \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}\\ \end{array} \]

Alternative 2: 95.4% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t_1 \leq 2 \cdot 10^{-173}:\\ \;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{n}{i}\right)\\ \mathbf{elif}\;t_1 \leq \infty:\\ \;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 2e-173)
     (* (expm1 (* n (log1p (/ i n)))) (* 100.0 (/ n i)))
     (if (<= t_1 INFINITY)
       (* n (/ (+ (* t_0 100.0) -100.0) i))
       (/ 1.0 (/ (fma (* i 0.01) (+ -0.5 (/ 0.5 n)) 0.01) n))))))
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-173) {
		tmp = expm1((n * log1p((i / n)))) * (100.0 * (n / i));
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = n * (((t_0 * 100.0) + -100.0) / i);
	} else {
		tmp = 1.0 / (fma((i * 0.01), (-0.5 + (0.5 / n)), 0.01) / n);
	}
	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-173)
		tmp = Float64(expm1(Float64(n * log1p(Float64(i / n)))) * Float64(100.0 * Float64(n / i)));
	elseif (t_1 <= Inf)
		tmp = Float64(n * Float64(Float64(Float64(t_0 * 100.0) + -100.0) / i));
	else
		tmp = Float64(1.0 / Float64(fma(Float64(i * 0.01), Float64(-0.5 + Float64(0.5 / n)), 0.01) / n));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e-173], N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * N[(100.0 * N[(n / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(n * N[(N[(N[(t$95$0 * 100.0), $MachinePrecision] + -100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(N[(N[(i * 0.01), $MachinePrecision] * N[(-0.5 + N[(0.5 / n), $MachinePrecision]), $MachinePrecision] + 0.01), $MachinePrecision] / n), $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^{-173}:\\
\;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{n}{i}\right)\\

\mathbf{elif}\;t_1 \leq \infty:\\
\;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 2.0000000000000001e-173

    1. Initial program 25.5%

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

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in25.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval25.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval25.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef25.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/25.5%

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

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. expm1-log1p-u23.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)\right)} \]
      10. expm1-udef17.8%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)} - 1} \]
    3. Applied egg-rr37.7%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)\right)} - 1} \]
    4. Step-by-step derivation
      1. expm1-def68.7%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)\right)\right)} \]
      2. expm1-log1p95.7%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      3. *-commutative95.7%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\left(100 \cdot \frac{n}{i}\right)} \]
    5. Simplified95.7%

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

    if 2.0000000000000001e-173 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 99.7%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    1. Initial program 0.0%

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

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

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

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

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

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

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/1.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative1.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num1.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv1.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef1.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in1.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg1.9%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative1.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr1.9%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 99.9%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def99.9%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified99.9%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Step-by-step derivation
      1. clear-num99.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}}} \]
      2. inv-pow99.9%

        \[\leadsto \color{blue}{{\left(\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}\right)}^{-1}} \]
    8. Applied egg-rr99.9%

      \[\leadsto \color{blue}{{\left(\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-199.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}}} \]
      2. fma-def99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) + 0.01}}{n}} \]
      3. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5 \cdot 1}}{n} + -0.5\right)\right) + 0.01}{n}} \]
      4. associate-*r/99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(\color{blue}{0.5 \cdot \frac{1}{n}} + -0.5\right)\right) + 0.01}{n}} \]
      5. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} + \color{blue}{\left(-0.5\right)}\right)\right) + 0.01}{n}} \]
      6. sub-neg99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} - 0.5\right)}\right) + 0.01}{n}} \]
      7. associate-*r*99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\left(0.01 \cdot i\right) \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)} + 0.01}{n}} \]
      8. *-commutative99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\left(i \cdot 0.01\right)} \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right) + 0.01}{n}} \]
      9. fma-def99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(i \cdot 0.01, 0.5 \cdot \frac{1}{n} - 0.5, 0.01\right)}}{n}} \]
      10. sub-neg99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{0.5 \cdot \frac{1}{n} + \left(-0.5\right)}, 0.01\right)}{n}} \]
      11. associate-*r/99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right), 0.01\right)}{n}} \]
      12. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \frac{\color{blue}{0.5}}{n} + \left(-0.5\right), 0.01\right)}{n}} \]
      13. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \frac{0.5}{n} + \color{blue}{-0.5}, 0.01\right)}{n}} \]
      14. +-commutative99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{-0.5 + \frac{0.5}{n}}, 0.01\right)}{n}} \]
    10. Simplified99.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification96.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-173}:\\ \;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(100 \cdot \frac{n}{i}\right)\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;n \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}\\ \end{array} \]

Alternative 3: 95.4% accurate, 0.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\ t_1 := \frac{t_0 + -1}{\frac{i}{n}}\\ \mathbf{if}\;t_1 \leq 2 \cdot 10^{-173}:\\ \;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{n \cdot 100}{i}\\ \mathbf{elif}\;t_1 \leq \infty:\\ \;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (pow (+ 1.0 (/ i n)) n)) (t_1 (/ (+ t_0 -1.0) (/ i n))))
   (if (<= t_1 2e-173)
     (* (expm1 (* n (log1p (/ i n)))) (/ (* n 100.0) i))
     (if (<= t_1 INFINITY)
       (* n (/ (+ (* t_0 100.0) -100.0) i))
       (/ 1.0 (/ (fma (* i 0.01) (+ -0.5 (/ 0.5 n)) 0.01) n))))))
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-173) {
		tmp = expm1((n * log1p((i / n)))) * ((n * 100.0) / i);
	} else if (t_1 <= ((double) INFINITY)) {
		tmp = n * (((t_0 * 100.0) + -100.0) / i);
	} else {
		tmp = 1.0 / (fma((i * 0.01), (-0.5 + (0.5 / n)), 0.01) / n);
	}
	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-173)
		tmp = Float64(expm1(Float64(n * log1p(Float64(i / n)))) * Float64(Float64(n * 100.0) / i));
	elseif (t_1 <= Inf)
		tmp = Float64(n * Float64(Float64(Float64(t_0 * 100.0) + -100.0) / i));
	else
		tmp = Float64(1.0 / Float64(fma(Float64(i * 0.01), Float64(-0.5 + Float64(0.5 / n)), 0.01) / n));
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[Power[N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision], n], $MachinePrecision]}, Block[{t$95$1 = N[(N[(t$95$0 + -1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, 2e-173], N[(N[(Exp[N[(n * N[Log[1 + N[(i / n), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]] - 1), $MachinePrecision] * N[(N[(n * 100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$1, Infinity], N[(n * N[(N[(N[(t$95$0 * 100.0), $MachinePrecision] + -100.0), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(1.0 / N[(N[(N[(i * 0.01), $MachinePrecision] * N[(-0.5 + N[(0.5 / n), $MachinePrecision]), $MachinePrecision] + 0.01), $MachinePrecision] / n), $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^{-173}:\\
\;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{n \cdot 100}{i}\\

\mathbf{elif}\;t_1 \leq \infty:\\
\;\;\;\;n \cdot \frac{t_0 \cdot 100 + -100}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < 2.0000000000000001e-173

    1. Initial program 25.5%

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

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in25.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval25.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval25.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef25.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/25.5%

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

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. expm1-log1p-u23.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)\right)} \]
      10. expm1-udef17.8%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)} - 1} \]
    3. Applied egg-rr37.7%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)\right)} - 1} \]
    4. Step-by-step derivation
      1. expm1-def68.7%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)\right)\right)} \]
      2. expm1-log1p95.7%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      3. associate-*l/95.9%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{n \cdot 100}{i}} \]
    5. Simplified95.9%

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

    if 2.0000000000000001e-173 < (/.f64 (-.f64 (pow.f64 (+.f64 1 (/.f64 i n)) n) 1) (/.f64 i n)) < +inf.0

    1. Initial program 99.7%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    1. Initial program 0.0%

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

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

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

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

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

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

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/1.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative1.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num1.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv1.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef1.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in1.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg1.9%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative1.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr1.9%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 99.9%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative99.9%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def99.9%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval99.9%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified99.9%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Step-by-step derivation
      1. clear-num99.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}}} \]
      2. inv-pow99.9%

        \[\leadsto \color{blue}{{\left(\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}\right)}^{-1}} \]
    8. Applied egg-rr99.9%

      \[\leadsto \color{blue}{{\left(\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}\right)}^{-1}} \]
    9. Step-by-step derivation
      1. unpow-199.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}{n}}} \]
      2. fma-def99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) + 0.01}}{n}} \]
      3. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5 \cdot 1}}{n} + -0.5\right)\right) + 0.01}{n}} \]
      4. associate-*r/99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(\color{blue}{0.5 \cdot \frac{1}{n}} + -0.5\right)\right) + 0.01}{n}} \]
      5. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} + \color{blue}{\left(-0.5\right)}\right)\right) + 0.01}{n}} \]
      6. sub-neg99.9%

        \[\leadsto \frac{1}{\frac{0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} - 0.5\right)}\right) + 0.01}{n}} \]
      7. associate-*r*99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\left(0.01 \cdot i\right) \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)} + 0.01}{n}} \]
      8. *-commutative99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\left(i \cdot 0.01\right)} \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right) + 0.01}{n}} \]
      9. fma-def99.9%

        \[\leadsto \frac{1}{\frac{\color{blue}{\mathsf{fma}\left(i \cdot 0.01, 0.5 \cdot \frac{1}{n} - 0.5, 0.01\right)}}{n}} \]
      10. sub-neg99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{0.5 \cdot \frac{1}{n} + \left(-0.5\right)}, 0.01\right)}{n}} \]
      11. associate-*r/99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right), 0.01\right)}{n}} \]
      12. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \frac{\color{blue}{0.5}}{n} + \left(-0.5\right), 0.01\right)}{n}} \]
      13. metadata-eval99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \frac{0.5}{n} + \color{blue}{-0.5}, 0.01\right)}{n}} \]
      14. +-commutative99.9%

        \[\leadsto \frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, \color{blue}{-0.5 + \frac{0.5}{n}}, 0.01\right)}{n}} \]
    10. Simplified99.9%

      \[\leadsto \color{blue}{\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification96.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq 2 \cdot 10^{-173}:\\ \;\;\;\;\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{n \cdot 100}{i}\\ \mathbf{elif}\;\frac{{\left(1 + \frac{i}{n}\right)}^{n} + -1}{\frac{i}{n}} \leq \infty:\\ \;\;\;\;n \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{\mathsf{fma}\left(i \cdot 0.01, -0.5 + \frac{0.5}{n}, 0.01\right)}{n}}\\ \end{array} \]

Alternative 4: 79.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -5 \cdot 10^{-5} \lor \neg \left(i \leq 1.5 \cdot 10^{-7}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{\left(0.01 + \left(\frac{i}{n} \cdot 0.005 + i \cdot -0.01\right)\right) - i \cdot -0.005}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -5e-5) (not (<= i 1.5e-7)))
   (* 100.0 (/ (expm1 i) (/ i n)))
   (/ n (- (+ 0.01 (+ (* (/ i n) 0.005) (* i -0.01))) (* i -0.005)))))
double code(double i, double n) {
	double tmp;
	if ((i <= -5e-5) || !(i <= 1.5e-7)) {
		tmp = 100.0 * (expm1(i) / (i / n));
	} else {
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((i <= -5e-5) || !(i <= 1.5e-7)) {
		tmp = 100.0 * (Math.expm1(i) / (i / n));
	} else {
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -5e-5) or not (i <= 1.5e-7):
		tmp = 100.0 * (math.expm1(i) / (i / n))
	else:
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -5e-5) || !(i <= 1.5e-7))
		tmp = Float64(100.0 * Float64(expm1(i) / Float64(i / n)));
	else
		tmp = Float64(n / Float64(Float64(0.01 + Float64(Float64(Float64(i / n) * 0.005) + Float64(i * -0.01))) - Float64(i * -0.005)));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[i, -5e-5], N[Not[LessEqual[i, 1.5e-7]], $MachinePrecision]], N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n / N[(N[(0.01 + N[(N[(N[(i / n), $MachinePrecision] * 0.005), $MachinePrecision] + N[(i * -0.01), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(i * -0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -5 \cdot 10^{-5} \lor \neg \left(i \leq 1.5 \cdot 10^{-7}\right):\\
\;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -5.00000000000000024e-5 or 1.4999999999999999e-7 < i

    1. Initial program 48.3%

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

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    3. Step-by-step derivation
      1. expm1-def73.2%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    4. Simplified73.2%

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

    if -5.00000000000000024e-5 < i < 1.4999999999999999e-7

    1. Initial program 11.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/11.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg11.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in11.6%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval11.6%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval11.6%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef11.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/11.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative11.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num11.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv11.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef11.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in11.9%

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative11.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr81.3%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 93.7%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative93.7%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def93.7%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified93.7%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Step-by-step derivation
      1. fma-udef93.7%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) + 0.01}} \]
      2. flip-+93.7%

        \[\leadsto \frac{n}{\color{blue}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - 0.01 \cdot 0.01}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}}} \]
      3. metadata-eval93.7%

        \[\leadsto \frac{n}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - \color{blue}{0.0001}}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}} \]
    8. Applied egg-rr93.7%

      \[\leadsto \frac{n}{\color{blue}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - 0.0001}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}}} \]
    9. Taylor expanded in n around 0 93.7%

      \[\leadsto \frac{n}{\color{blue}{\left(0.01 + \left(0.005 \cdot \frac{i}{n} + -0.01 \cdot i\right)\right) - -0.005 \cdot i}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -5 \cdot 10^{-5} \lor \neg \left(i \leq 1.5 \cdot 10^{-7}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{\left(0.01 + \left(\frac{i}{n} \cdot 0.005 + i \cdot -0.01\right)\right) - i \cdot -0.005}\\ \end{array} \]

Alternative 5: 79.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -3.5 \cdot 10^{-5} \lor \neg \left(i \leq 6.2 \cdot 10^{-7}\right):\\ \;\;\;\;\frac{n \cdot 100}{i} \cdot \mathsf{expm1}\left(i\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{\left(0.01 + \left(\frac{i}{n} \cdot 0.005 + i \cdot -0.01\right)\right) - i \cdot -0.005}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -3.5e-5) (not (<= i 6.2e-7)))
   (* (/ (* n 100.0) i) (expm1 i))
   (/ n (- (+ 0.01 (+ (* (/ i n) 0.005) (* i -0.01))) (* i -0.005)))))
double code(double i, double n) {
	double tmp;
	if ((i <= -3.5e-5) || !(i <= 6.2e-7)) {
		tmp = ((n * 100.0) / i) * expm1(i);
	} else {
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((i <= -3.5e-5) || !(i <= 6.2e-7)) {
		tmp = ((n * 100.0) / i) * Math.expm1(i);
	} else {
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -3.5e-5) or not (i <= 6.2e-7):
		tmp = ((n * 100.0) / i) * math.expm1(i)
	else:
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -3.5e-5) || !(i <= 6.2e-7))
		tmp = Float64(Float64(Float64(n * 100.0) / i) * expm1(i));
	else
		tmp = Float64(n / Float64(Float64(0.01 + Float64(Float64(Float64(i / n) * 0.005) + Float64(i * -0.01))) - Float64(i * -0.005)));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[i, -3.5e-5], N[Not[LessEqual[i, 6.2e-7]], $MachinePrecision]], N[(N[(N[(n * 100.0), $MachinePrecision] / i), $MachinePrecision] * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision], N[(n / N[(N[(0.01 + N[(N[(N[(i / n), $MachinePrecision] * 0.005), $MachinePrecision] + N[(i * -0.01), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(i * -0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -3.5 \cdot 10^{-5} \lor \neg \left(i \leq 6.2 \cdot 10^{-7}\right):\\
\;\;\;\;\frac{n \cdot 100}{i} \cdot \mathsf{expm1}\left(i\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -3.4999999999999997e-5 or 6.1999999999999999e-7 < i

    1. Initial program 48.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/48.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg48.4%

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

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval48.3%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval48.3%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef48.4%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/48.5%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative48.5%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. expm1-log1p-u44.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)\right)} \]
      10. expm1-udef29.7%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}\right)} - 1} \]
    3. Applied egg-rr44.4%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)\right)} - 1} \]
    4. Step-by-step derivation
      1. expm1-def59.5%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)\right)\right)} \]
      2. expm1-log1p83.7%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \left(\frac{n}{i} \cdot 100\right)} \]
      3. associate-*l/83.7%

        \[\leadsto \mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \color{blue}{\frac{n \cdot 100}{i}} \]
    5. Simplified83.7%

      \[\leadsto \color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot \frac{n \cdot 100}{i}} \]
    6. Taylor expanded in n around inf 73.4%

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

    if -3.4999999999999997e-5 < i < 6.1999999999999999e-7

    1. Initial program 11.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/11.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg11.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in11.6%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval11.6%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval11.6%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef11.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/11.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative11.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num11.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv11.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef11.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in11.9%

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative11.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr81.3%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 93.7%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative93.7%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def93.7%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval93.7%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified93.7%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Step-by-step derivation
      1. fma-udef93.7%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) + 0.01}} \]
      2. flip-+93.7%

        \[\leadsto \frac{n}{\color{blue}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - 0.01 \cdot 0.01}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}}} \]
      3. metadata-eval93.7%

        \[\leadsto \frac{n}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - \color{blue}{0.0001}}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}} \]
    8. Applied egg-rr93.7%

      \[\leadsto \frac{n}{\color{blue}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - 0.0001}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}}} \]
    9. Taylor expanded in n around 0 93.7%

      \[\leadsto \frac{n}{\color{blue}{\left(0.01 + \left(0.005 \cdot \frac{i}{n} + -0.01 \cdot i\right)\right) - -0.005 \cdot i}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -3.5 \cdot 10^{-5} \lor \neg \left(i \leq 6.2 \cdot 10^{-7}\right):\\ \;\;\;\;\frac{n \cdot 100}{i} \cdot \mathsf{expm1}\left(i\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{\left(0.01 + \left(\frac{i}{n} \cdot 0.005 + i \cdot -0.01\right)\right) - i \cdot -0.005}\\ \end{array} \]

Alternative 6: 87.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -2.85 \cdot 10^{-5} \lor \neg \left(n \leq 1.62\right):\\ \;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(-0.5 + \frac{0.5}{n}\right)\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -2.85e-5) (not (<= n 1.62)))
   (* 100.0 (/ n (/ i (expm1 i))))
   (/ n (+ 0.01 (* 0.01 (* i (+ -0.5 (/ 0.5 n))))))))
double code(double i, double n) {
	double tmp;
	if ((n <= -2.85e-5) || !(n <= 1.62)) {
		tmp = 100.0 * (n / (i / expm1(i)));
	} else {
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -2.85e-5) || !(n <= 1.62)) {
		tmp = 100.0 * (n / (i / Math.expm1(i)));
	} else {
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -2.85e-5) or not (n <= 1.62):
		tmp = 100.0 * (n / (i / math.expm1(i)))
	else:
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -2.85e-5) || !(n <= 1.62))
		tmp = Float64(100.0 * Float64(n / Float64(i / expm1(i))));
	else
		tmp = Float64(n / Float64(0.01 + Float64(0.01 * Float64(i * Float64(-0.5 + Float64(0.5 / n))))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -2.85e-5], N[Not[LessEqual[n, 1.62]], $MachinePrecision]], N[(100.0 * N[(n / N[(i / N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n / N[(0.01 + N[(0.01 * N[(i * N[(-0.5 + N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -2.85 \cdot 10^{-5} \lor \neg \left(n \leq 1.62\right):\\
\;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -2.8500000000000002e-5 or 1.6200000000000001 < n

    1. Initial program 23.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in n around inf 45.0%

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    3. Step-by-step derivation
      1. *-commutative45.0%

        \[\leadsto \color{blue}{\frac{n \cdot \left(e^{i} - 1\right)}{i} \cdot 100} \]
      2. associate-/l*45.0%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{e^{i} - 1}}} \cdot 100 \]
      3. expm1-def94.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\mathsf{expm1}\left(i\right)}}} \cdot 100 \]
    4. Simplified94.9%

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

    if -2.8500000000000002e-5 < n < 1.6200000000000001

    1. Initial program 34.0%

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

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef34.0%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/34.2%

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

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

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv34.2%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef34.1%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in34.2%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg34.2%

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

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr89.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 83.9%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. sub-neg83.9%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/83.9%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval83.9%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval83.9%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    6. Simplified83.9%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification90.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -2.85 \cdot 10^{-5} \lor \neg \left(n \leq 1.62\right):\\ \;\;\;\;100 \cdot \frac{n}{\frac{i}{\mathsf{expm1}\left(i\right)}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(-0.5 + \frac{0.5}{n}\right)\right)}\\ \end{array} \]

Alternative 7: 73.4% accurate, 3.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.25 \cdot 10^{+131} \lor \neg \left(n \leq 2\right):\\ \;\;\;\;n \cdot \left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(-0.5 + \frac{0.5}{n}\right)\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.25e+131) (not (<= n 2.0)))
   (*
    n
    (+
     100.0
     (*
      100.0
      (+
       (*
        (* i i)
        (+ (/ 0.3333333333333333 (* n n)) (+ 0.16666666666666666 (/ -0.5 n))))
       (* i (- 0.5 (/ 0.5 n)))))))
   (/ n (+ 0.01 (* 0.01 (* i (+ -0.5 (/ 0.5 n))))))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.25e+131) || !(n <= 2.0)) {
		tmp = n * (100.0 + (100.0 * (((i * i) * ((0.3333333333333333 / (n * n)) + (0.16666666666666666 + (-0.5 / n)))) + (i * (0.5 - (0.5 / n))))));
	} else {
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-1.25d+131)) .or. (.not. (n <= 2.0d0))) then
        tmp = n * (100.0d0 + (100.0d0 * (((i * i) * ((0.3333333333333333d0 / (n * n)) + (0.16666666666666666d0 + ((-0.5d0) / n)))) + (i * (0.5d0 - (0.5d0 / n))))))
    else
        tmp = n / (0.01d0 + (0.01d0 * (i * ((-0.5d0) + (0.5d0 / n)))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.25e+131) || !(n <= 2.0)) {
		tmp = n * (100.0 + (100.0 * (((i * i) * ((0.3333333333333333 / (n * n)) + (0.16666666666666666 + (-0.5 / n)))) + (i * (0.5 - (0.5 / n))))));
	} else {
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.25e+131) or not (n <= 2.0):
		tmp = n * (100.0 + (100.0 * (((i * i) * ((0.3333333333333333 / (n * n)) + (0.16666666666666666 + (-0.5 / n)))) + (i * (0.5 - (0.5 / n))))))
	else:
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.25e+131) || !(n <= 2.0))
		tmp = Float64(n * Float64(100.0 + Float64(100.0 * Float64(Float64(Float64(i * i) * Float64(Float64(0.3333333333333333 / Float64(n * n)) + Float64(0.16666666666666666 + Float64(-0.5 / n)))) + Float64(i * Float64(0.5 - Float64(0.5 / n)))))));
	else
		tmp = Float64(n / Float64(0.01 + Float64(0.01 * Float64(i * Float64(-0.5 + Float64(0.5 / n))))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -1.25e+131) || ~((n <= 2.0)))
		tmp = n * (100.0 + (100.0 * (((i * i) * ((0.3333333333333333 / (n * n)) + (0.16666666666666666 + (-0.5 / n)))) + (i * (0.5 - (0.5 / n))))));
	else
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -1.25e+131], N[Not[LessEqual[n, 2.0]], $MachinePrecision]], N[(n * N[(100.0 + N[(100.0 * N[(N[(N[(i * i), $MachinePrecision] * N[(N[(0.3333333333333333 / N[(n * n), $MachinePrecision]), $MachinePrecision] + N[(0.16666666666666666 + N[(-0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(i * N[(0.5 - N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n / N[(0.01 + N[(0.01 * N[(i * N[(-0.5 + N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.25 \cdot 10^{+131} \lor \neg \left(n \leq 2\right):\\
\;\;\;\;n \cdot \left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.24999999999999999e131 or 2 < n

    1. Initial program 22.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/22.6%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*22.7%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative22.7%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/22.7%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg22.7%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in22.7%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def22.7%

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

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified22.7%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 67.2%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right)\right)\right)} \]
    5. Step-by-step derivation
      1. +-commutative67.2%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right)\right) + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}\right) \]
      2. distribute-lft-out67.2%

        \[\leadsto n \cdot \left(100 + \color{blue}{100 \cdot \left({i}^{2} \cdot \left(\left(0.3333333333333333 \cdot \frac{1}{{n}^{2}} + 0.16666666666666666\right) - 0.5 \cdot \frac{1}{n}\right) + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}\right) \]
    6. Simplified67.2%

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

    if -1.24999999999999999e131 < n < 2

    1. Initial program 32.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/32.1%

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in32.0%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval32.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval32.0%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef32.1%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/32.3%

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

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num32.3%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv32.3%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef32.3%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in32.3%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg32.3%

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

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr86.5%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 80.3%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. sub-neg80.3%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/80.3%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval80.3%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval80.3%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    6. Simplified80.3%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification74.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.25 \cdot 10^{+131} \lor \neg \left(n \leq 2\right):\\ \;\;\;\;n \cdot \left(100 + 100 \cdot \left(\left(i \cdot i\right) \cdot \left(\frac{0.3333333333333333}{n \cdot n} + \left(0.16666666666666666 + \frac{-0.5}{n}\right)\right) + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(-0.5 + \frac{0.5}{n}\right)\right)}\\ \end{array} \]

Alternative 8: 69.5% accurate, 6.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 7500000000000:\\ \;\;\;\;\frac{n}{\left(0.01 + \left(\frac{i}{n} \cdot 0.005 + i \cdot -0.01\right)\right) - i \cdot -0.005}\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n \cdot n}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 7500000000000.0)
   (/ n (- (+ 0.01 (+ (* (/ i n) 0.005) (* i -0.01))) (* i -0.005)))
   (* 200.0 (/ (* n n) i))))
double code(double i, double n) {
	double tmp;
	if (i <= 7500000000000.0) {
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005));
	} else {
		tmp = 200.0 * ((n * n) / i);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 7500000000000.0d0) then
        tmp = n / ((0.01d0 + (((i / n) * 0.005d0) + (i * (-0.01d0)))) - (i * (-0.005d0)))
    else
        tmp = 200.0d0 * ((n * n) / i)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 7500000000000.0) {
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005));
	} else {
		tmp = 200.0 * ((n * n) / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 7500000000000.0:
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005))
	else:
		tmp = 200.0 * ((n * n) / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 7500000000000.0)
		tmp = Float64(n / Float64(Float64(0.01 + Float64(Float64(Float64(i / n) * 0.005) + Float64(i * -0.01))) - Float64(i * -0.005)));
	else
		tmp = Float64(200.0 * Float64(Float64(n * n) / i));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 7500000000000.0)
		tmp = n / ((0.01 + (((i / n) * 0.005) + (i * -0.01))) - (i * -0.005));
	else
		tmp = 200.0 * ((n * n) / i);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 7500000000000.0], N[(n / N[(N[(0.01 + N[(N[(N[(i / n), $MachinePrecision] * 0.005), $MachinePrecision] + N[(i * -0.01), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(i * -0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(200.0 * N[(N[(n * n), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 7500000000000:\\
\;\;\;\;\frac{n}{\left(0.01 + \left(\frac{i}{n} \cdot 0.005 + i \cdot -0.01\right)\right) - i \cdot -0.005}\\

\mathbf{else}:\\
\;\;\;\;200 \cdot \frac{n \cdot n}{i}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 7.5e12

    1. Initial program 23.6%

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

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef23.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/23.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative23.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num23.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv23.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef23.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in23.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg23.9%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative23.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr85.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 77.4%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative77.4%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def77.4%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg77.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/77.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval77.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval77.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified77.4%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Step-by-step derivation
      1. fma-udef77.4%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) + 0.01}} \]
      2. flip-+70.4%

        \[\leadsto \frac{n}{\color{blue}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - 0.01 \cdot 0.01}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}}} \]
      3. metadata-eval70.4%

        \[\leadsto \frac{n}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - \color{blue}{0.0001}}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}} \]
    8. Applied egg-rr70.4%

      \[\leadsto \frac{n}{\color{blue}{\frac{\left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) \cdot \left(0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right)\right) - 0.0001}{0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + -0.5\right)\right) - 0.01}}} \]
    9. Taylor expanded in n around 0 77.4%

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

    if 7.5e12 < i

    1. Initial program 43.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/43.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg43.1%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in43.1%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval43.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval43.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef43.1%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/43.4%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative43.4%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num43.4%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv43.4%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef43.3%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval43.3%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval43.3%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in43.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg43.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative43.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr68.9%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 27.2%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative27.2%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def27.2%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified27.2%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 43.5%

      \[\leadsto \color{blue}{200 \cdot \frac{{n}^{2}}{i}} \]
    8. Step-by-step derivation
      1. unpow243.5%

        \[\leadsto 200 \cdot \frac{\color{blue}{n \cdot n}}{i} \]
    9. Simplified43.5%

      \[\leadsto \color{blue}{200 \cdot \frac{n \cdot n}{i}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification70.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 7500000000000:\\ \;\;\;\;\frac{n}{\left(0.01 + \left(\frac{i}{n} \cdot 0.005 + i \cdot -0.01\right)\right) - i \cdot -0.005}\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n \cdot n}{i}\\ \end{array} \]

Alternative 9: 69.5% accurate, 7.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 7500000000000:\\ \;\;\;\;\frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(-0.5 + \frac{0.5}{n}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n \cdot n}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 7500000000000.0)
   (/ n (+ 0.01 (* 0.01 (* i (+ -0.5 (/ 0.5 n))))))
   (* 200.0 (/ (* n n) i))))
double code(double i, double n) {
	double tmp;
	if (i <= 7500000000000.0) {
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	} else {
		tmp = 200.0 * ((n * n) / i);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 7500000000000.0d0) then
        tmp = n / (0.01d0 + (0.01d0 * (i * ((-0.5d0) + (0.5d0 / n)))))
    else
        tmp = 200.0d0 * ((n * n) / i)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 7500000000000.0) {
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	} else {
		tmp = 200.0 * ((n * n) / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 7500000000000.0:
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))))
	else:
		tmp = 200.0 * ((n * n) / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 7500000000000.0)
		tmp = Float64(n / Float64(0.01 + Float64(0.01 * Float64(i * Float64(-0.5 + Float64(0.5 / n))))));
	else
		tmp = Float64(200.0 * Float64(Float64(n * n) / i));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 7500000000000.0)
		tmp = n / (0.01 + (0.01 * (i * (-0.5 + (0.5 / n)))));
	else
		tmp = 200.0 * ((n * n) / i);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 7500000000000.0], N[(n / N[(0.01 + N[(0.01 * N[(i * N[(-0.5 + N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(200.0 * N[(N[(n * n), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 7500000000000:\\
\;\;\;\;\frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(-0.5 + \frac{0.5}{n}\right)\right)}\\

\mathbf{else}:\\
\;\;\;\;200 \cdot \frac{n \cdot n}{i}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 7.5e12

    1. Initial program 23.6%

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

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

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

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef23.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/23.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative23.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num23.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv23.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef23.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in23.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg23.9%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative23.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr85.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 77.4%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. sub-neg77.4%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}\right)} \]
      2. associate-*r/77.4%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)\right)} \]
      3. metadata-eval77.4%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)\right)} \]
      4. metadata-eval77.4%

        \[\leadsto \frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)\right)} \]
    6. Simplified77.4%

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

    if 7.5e12 < i

    1. Initial program 43.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/43.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg43.1%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in43.1%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval43.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval43.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef43.1%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/43.4%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative43.4%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num43.4%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv43.4%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef43.3%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval43.3%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval43.3%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in43.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg43.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative43.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr68.9%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 27.2%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative27.2%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def27.2%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval27.2%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified27.2%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 43.5%

      \[\leadsto \color{blue}{200 \cdot \frac{{n}^{2}}{i}} \]
    8. Step-by-step derivation
      1. unpow243.5%

        \[\leadsto 200 \cdot \frac{\color{blue}{n \cdot n}}{i} \]
    9. Simplified43.5%

      \[\leadsto \color{blue}{200 \cdot \frac{n \cdot n}{i}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification70.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 7500000000000:\\ \;\;\;\;\frac{n}{0.01 + 0.01 \cdot \left(i \cdot \left(-0.5 + \frac{0.5}{n}\right)\right)}\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n \cdot n}{i}\\ \end{array} \]

Alternative 10: 61.8% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -1.05 \cdot 10^{+20} \lor \neg \left(i \leq 92000\right):\\ \;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -1.05e+20) (not (<= i 92000.0)))
   (* 200.0 (/ n (/ i n)))
   (* n 100.0)))
double code(double i, double n) {
	double tmp;
	if ((i <= -1.05e+20) || !(i <= 92000.0)) {
		tmp = 200.0 * (n / (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 <= (-1.05d+20)) .or. (.not. (i <= 92000.0d0))) then
        tmp = 200.0d0 * (n / (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 <= -1.05e+20) || !(i <= 92000.0)) {
		tmp = 200.0 * (n / (i / n));
	} else {
		tmp = n * 100.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -1.05e+20) or not (i <= 92000.0):
		tmp = 200.0 * (n / (i / n))
	else:
		tmp = n * 100.0
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -1.05e+20) || !(i <= 92000.0))
		tmp = Float64(200.0 * Float64(n / Float64(i / n)));
	else
		tmp = Float64(n * 100.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((i <= -1.05e+20) || ~((i <= 92000.0)))
		tmp = 200.0 * (n / (i / n));
	else
		tmp = n * 100.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[i, -1.05e+20], N[Not[LessEqual[i, 92000.0]], $MachinePrecision]], N[(200.0 * N[(n / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n * 100.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -1.05 \cdot 10^{+20} \lor \neg \left(i \leq 92000\right):\\
\;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -1.05e20 or 92000 < i

    1. Initial program 52.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/52.5%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg52.5%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in52.4%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval52.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval52.4%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef52.5%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/52.7%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative52.7%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num52.7%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv52.7%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef52.6%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval52.6%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval52.6%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in52.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg52.7%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative52.7%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr82.4%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 33.4%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative33.4%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def33.4%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg33.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/33.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval33.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval33.4%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified33.4%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 32.8%

      \[\leadsto \frac{n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
    8. Step-by-step derivation
      1. *-commutative32.8%

        \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    9. Simplified32.8%

      \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    10. Step-by-step derivation
      1. expm1-log1p-u32.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)\right)} \]
      2. expm1-udef31.0%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)} - 1} \]
    11. Applied egg-rr31.0%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)} - 1} \]
    12. Step-by-step derivation
      1. expm1-def32.0%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)\right)} \]
      2. expm1-log1p32.8%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{n} \cdot 0.005}} \]
      3. *-lft-identity32.8%

        \[\leadsto \frac{\color{blue}{1 \cdot n}}{\frac{i}{n} \cdot 0.005} \]
      4. *-commutative32.8%

        \[\leadsto \frac{1 \cdot n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
      5. times-frac32.8%

        \[\leadsto \color{blue}{\frac{1}{0.005} \cdot \frac{n}{\frac{i}{n}}} \]
      6. metadata-eval32.8%

        \[\leadsto \color{blue}{200} \cdot \frac{n}{\frac{i}{n}} \]
    13. Simplified32.8%

      \[\leadsto \color{blue}{200 \cdot \frac{n}{\frac{i}{n}}} \]

    if -1.05e20 < i < 92000

    1. Initial program 11.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 80.5%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative80.5%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified80.5%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -1.05 \cdot 10^{+20} \lor \neg \left(i \leq 92000\right):\\ \;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100\\ \end{array} \]

Alternative 11: 62.2% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.1 \cdot 10^{-105} \lor \neg \left(n \leq 2.8 \cdot 10^{-132}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.1e-105) (not (<= n 2.8e-132)))
   (* n (+ 100.0 (* i 50.0)))
   (* 200.0 (/ n (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.1e-105) || !(n <= 2.8e-132)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 200.0 * (n / (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 <= (-1.1d-105)) .or. (.not. (n <= 2.8d-132))) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else
        tmp = 200.0d0 * (n / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.1e-105) || !(n <= 2.8e-132)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 200.0 * (n / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.1e-105) or not (n <= 2.8e-132):
		tmp = n * (100.0 + (i * 50.0))
	else:
		tmp = 200.0 * (n / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.1e-105) || !(n <= 2.8e-132))
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	else
		tmp = Float64(200.0 * Float64(n / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -1.1e-105) || ~((n <= 2.8e-132)))
		tmp = n * (100.0 + (i * 50.0));
	else
		tmp = 200.0 * (n / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -1.1e-105], N[Not[LessEqual[n, 2.8e-132]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(200.0 * N[(n / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.1 \cdot 10^{-105} \lor \neg \left(n \leq 2.8 \cdot 10^{-132}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

\mathbf{else}:\\
\;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.10000000000000002e-105 or 2.80000000000000002e-132 < n

    1. Initial program 20.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/20.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*20.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative20.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/20.9%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg20.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in20.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def20.9%

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

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified20.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 63.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*63.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative63.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/63.6%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval63.6%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    6. Simplified63.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    7. Taylor expanded in n around inf 63.5%

      \[\leadsto \color{blue}{n \cdot \left(100 + 50 \cdot i\right)} \]
    8. Step-by-step derivation
      1. *-commutative63.5%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    9. Simplified63.5%

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

    if -1.10000000000000002e-105 < n < 2.80000000000000002e-132

    1. Initial program 52.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/52.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg52.1%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in52.1%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval52.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval52.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef52.1%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/52.4%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative52.4%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num52.4%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv52.4%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef52.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval52.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval52.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in52.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg52.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative52.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr82.3%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 86.5%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative86.5%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def86.5%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified86.5%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 71.3%

      \[\leadsto \frac{n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
    8. Step-by-step derivation
      1. *-commutative71.3%

        \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    9. Simplified71.3%

      \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    10. Step-by-step derivation
      1. expm1-log1p-u71.2%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)\right)} \]
      2. expm1-udef69.9%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)} - 1} \]
    11. Applied egg-rr69.9%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)} - 1} \]
    12. Step-by-step derivation
      1. expm1-def71.2%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)\right)} \]
      2. expm1-log1p71.3%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{n} \cdot 0.005}} \]
      3. *-lft-identity71.3%

        \[\leadsto \frac{\color{blue}{1 \cdot n}}{\frac{i}{n} \cdot 0.005} \]
      4. *-commutative71.3%

        \[\leadsto \frac{1 \cdot n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
      5. times-frac71.3%

        \[\leadsto \color{blue}{\frac{1}{0.005} \cdot \frac{n}{\frac{i}{n}}} \]
      6. metadata-eval71.3%

        \[\leadsto \color{blue}{200} \cdot \frac{n}{\frac{i}{n}} \]
    13. Simplified71.3%

      \[\leadsto \color{blue}{200 \cdot \frac{n}{\frac{i}{n}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification65.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.1 \cdot 10^{-105} \lor \neg \left(n \leq 2.8 \cdot 10^{-132}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\ \end{array} \]

Alternative 12: 62.2% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.1 \cdot 10^{-105} \lor \neg \left(n \leq 1.15 \cdot 10^{-137}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{\frac{i}{n} \cdot 0.005}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.1e-105) (not (<= n 1.15e-137)))
   (* n (+ 100.0 (* i 50.0)))
   (/ n (* (/ i n) 0.005))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.1e-105) || !(n <= 1.15e-137)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = n / ((i / n) * 0.005);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-1.1d-105)) .or. (.not. (n <= 1.15d-137))) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else
        tmp = n / ((i / n) * 0.005d0)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.1e-105) || !(n <= 1.15e-137)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = n / ((i / n) * 0.005);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.1e-105) or not (n <= 1.15e-137):
		tmp = n * (100.0 + (i * 50.0))
	else:
		tmp = n / ((i / n) * 0.005)
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.1e-105) || !(n <= 1.15e-137))
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	else
		tmp = Float64(n / Float64(Float64(i / n) * 0.005));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -1.1e-105) || ~((n <= 1.15e-137)))
		tmp = n * (100.0 + (i * 50.0));
	else
		tmp = n / ((i / n) * 0.005);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -1.1e-105], N[Not[LessEqual[n, 1.15e-137]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(n / N[(N[(i / n), $MachinePrecision] * 0.005), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.1 \cdot 10^{-105} \lor \neg \left(n \leq 1.15 \cdot 10^{-137}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{n}{\frac{i}{n} \cdot 0.005}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.10000000000000002e-105 or 1.15000000000000004e-137 < n

    1. Initial program 20.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/20.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*20.9%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative20.9%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/20.9%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg20.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in20.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def20.9%

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

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified20.9%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 63.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*63.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. *-commutative63.6%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/63.6%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval63.6%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    6. Simplified63.6%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    7. Taylor expanded in n around inf 63.5%

      \[\leadsto \color{blue}{n \cdot \left(100 + 50 \cdot i\right)} \]
    8. Step-by-step derivation
      1. *-commutative63.5%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    9. Simplified63.5%

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

    if -1.10000000000000002e-105 < n < 1.15000000000000004e-137

    1. Initial program 52.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/52.1%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg52.1%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in52.1%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval52.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval52.1%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef52.1%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/52.4%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative52.4%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num52.4%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv52.4%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef52.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval52.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval52.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in52.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg52.4%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative52.4%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr82.3%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 86.5%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative86.5%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def86.5%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval86.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified86.5%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 71.3%

      \[\leadsto \frac{n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
    8. Step-by-step derivation
      1. *-commutative71.3%

        \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    9. Simplified71.3%

      \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification65.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.1 \cdot 10^{-105} \lor \neg \left(n \leq 1.15 \cdot 10^{-137}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{n}{\frac{i}{n} \cdot 0.005}\\ \end{array} \]

Alternative 13: 63.6% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -1.3 \cdot 10^{+20}:\\ \;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 92000:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n \cdot n}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -1.3e+20)
   (* 200.0 (/ n (/ i n)))
   (if (<= i 92000.0) (* n 100.0) (* 200.0 (/ (* n n) i)))))
double code(double i, double n) {
	double tmp;
	if (i <= -1.3e+20) {
		tmp = 200.0 * (n / (i / n));
	} else if (i <= 92000.0) {
		tmp = n * 100.0;
	} else {
		tmp = 200.0 * ((n * n) / i);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-1.3d+20)) then
        tmp = 200.0d0 * (n / (i / n))
    else if (i <= 92000.0d0) then
        tmp = n * 100.0d0
    else
        tmp = 200.0d0 * ((n * n) / i)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -1.3e+20) {
		tmp = 200.0 * (n / (i / n));
	} else if (i <= 92000.0) {
		tmp = n * 100.0;
	} else {
		tmp = 200.0 * ((n * n) / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -1.3e+20:
		tmp = 200.0 * (n / (i / n))
	elif i <= 92000.0:
		tmp = n * 100.0
	else:
		tmp = 200.0 * ((n * n) / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -1.3e+20)
		tmp = Float64(200.0 * Float64(n / Float64(i / n)));
	elseif (i <= 92000.0)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(200.0 * Float64(Float64(n * n) / i));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -1.3e+20)
		tmp = 200.0 * (n / (i / n));
	elseif (i <= 92000.0)
		tmp = n * 100.0;
	else
		tmp = 200.0 * ((n * n) / i);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -1.3e+20], N[(200.0 * N[(n / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 92000.0], N[(n * 100.0), $MachinePrecision], N[(200.0 * N[(N[(n * n), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -1.3 \cdot 10^{+20}:\\
\;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 92000:\\
\;\;\;\;n \cdot 100\\

\mathbf{else}:\\
\;\;\;\;200 \cdot \frac{n \cdot n}{i}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -1.3e20

    1. Initial program 64.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/64.2%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg64.2%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in64.2%

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

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

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef64.2%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/64.3%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative64.3%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num64.3%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv64.4%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef64.4%

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

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

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

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg64.4%

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

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr95.7%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 41.0%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative41.0%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def41.0%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg41.0%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/41.0%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval41.0%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval41.0%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified41.0%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 32.2%

      \[\leadsto \frac{n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
    8. Step-by-step derivation
      1. *-commutative32.2%

        \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    9. Simplified32.2%

      \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    10. Step-by-step derivation
      1. expm1-log1p-u30.6%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)\right)} \]
      2. expm1-udef29.5%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)} - 1} \]
    11. Applied egg-rr29.5%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)} - 1} \]
    12. Step-by-step derivation
      1. expm1-def30.6%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{n}{\frac{i}{n} \cdot 0.005}\right)\right)} \]
      2. expm1-log1p32.2%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{n} \cdot 0.005}} \]
      3. *-lft-identity32.2%

        \[\leadsto \frac{\color{blue}{1 \cdot n}}{\frac{i}{n} \cdot 0.005} \]
      4. *-commutative32.2%

        \[\leadsto \frac{1 \cdot n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
      5. times-frac32.2%

        \[\leadsto \color{blue}{\frac{1}{0.005} \cdot \frac{n}{\frac{i}{n}}} \]
      6. metadata-eval32.2%

        \[\leadsto \color{blue}{200} \cdot \frac{n}{\frac{i}{n}} \]
    13. Simplified32.2%

      \[\leadsto \color{blue}{200 \cdot \frac{n}{\frac{i}{n}}} \]

    if -1.3e20 < i < 92000

    1. Initial program 11.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 80.5%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative80.5%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified80.5%

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

    if 92000 < i

    1. Initial program 41.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/41.6%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg41.6%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in41.5%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval41.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval41.5%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef41.6%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/41.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative41.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num41.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv41.8%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef41.8%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval41.8%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval41.8%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in41.8%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg41.8%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative41.8%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr70.0%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 26.5%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative26.5%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def26.5%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg26.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/26.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval26.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval26.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified26.5%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 42.2%

      \[\leadsto \color{blue}{200 \cdot \frac{{n}^{2}}{i}} \]
    8. Step-by-step derivation
      1. unpow242.2%

        \[\leadsto 200 \cdot \frac{\color{blue}{n \cdot n}}{i} \]
    9. Simplified42.2%

      \[\leadsto \color{blue}{200 \cdot \frac{n \cdot n}{i}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification63.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -1.3 \cdot 10^{+20}:\\ \;\;\;\;200 \cdot \frac{n}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 92000:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;200 \cdot \frac{n \cdot n}{i}\\ \end{array} \]

Alternative 14: 63.3% accurate, 10.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -4.8 \cdot 10^{-203}:\\ \;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\ \mathbf{elif}\;n \leq 1.3 \cdot 10^{-135}:\\ \;\;\;\;\frac{n}{\frac{i}{n} \cdot 0.005}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -4.8e-203)
   (/ n (+ 0.01 (* i -0.005)))
   (if (<= n 1.3e-135) (/ n (* (/ i n) 0.005)) (* n (+ 100.0 (* i 50.0))))))
double code(double i, double n) {
	double tmp;
	if (n <= -4.8e-203) {
		tmp = n / (0.01 + (i * -0.005));
	} else if (n <= 1.3e-135) {
		tmp = n / ((i / n) * 0.005);
	} 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 <= (-4.8d-203)) then
        tmp = n / (0.01d0 + (i * (-0.005d0)))
    else if (n <= 1.3d-135) then
        tmp = n / ((i / n) * 0.005d0)
    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 <= -4.8e-203) {
		tmp = n / (0.01 + (i * -0.005));
	} else if (n <= 1.3e-135) {
		tmp = n / ((i / n) * 0.005);
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -4.8e-203:
		tmp = n / (0.01 + (i * -0.005))
	elif n <= 1.3e-135:
		tmp = n / ((i / n) * 0.005)
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -4.8e-203)
		tmp = Float64(n / Float64(0.01 + Float64(i * -0.005)));
	elseif (n <= 1.3e-135)
		tmp = Float64(n / Float64(Float64(i / n) * 0.005));
	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 <= -4.8e-203)
		tmp = n / (0.01 + (i * -0.005));
	elseif (n <= 1.3e-135)
		tmp = n / ((i / n) * 0.005);
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -4.8e-203], N[(n / N[(0.01 + N[(i * -0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.3e-135], N[(n / N[(N[(i / n), $MachinePrecision] * 0.005), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -4.8 \cdot 10^{-203}:\\
\;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\

\mathbf{elif}\;n \leq 1.3 \cdot 10^{-135}:\\
\;\;\;\;\frac{n}{\frac{i}{n} \cdot 0.005}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -4.7999999999999997e-203

    1. Initial program 25.6%

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

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg25.7%

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

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval25.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval25.7%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef25.7%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/25.9%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative25.9%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num25.9%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv25.9%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef25.9%

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

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

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in25.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg25.9%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative25.9%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr83.4%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right) \cdot 100}}} \]
    4. Taylor expanded in i around 0 62.5%

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative62.5%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def62.5%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg62.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/62.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval62.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval62.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified62.5%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around inf 60.0%

      \[\leadsto \color{blue}{\frac{n}{0.01 + -0.005 \cdot i}} \]
    8. Step-by-step derivation
      1. *-commutative60.0%

        \[\leadsto \frac{n}{0.01 + \color{blue}{i \cdot -0.005}} \]
    9. Simplified60.0%

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

    if -4.7999999999999997e-203 < n < 1.30000000000000002e-135

    1. Initial program 54.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/54.2%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg54.2%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-lft-in54.2%

        \[\leadsto \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{\frac{i}{n}} \]
      4. metadata-eval54.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{\frac{i}{n}} \]
      5. metadata-eval54.2%

        \[\leadsto \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{\frac{i}{n}} \]
      6. fma-udef54.2%

        \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{\frac{i}{n}} \]
      7. associate-/r/54.6%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i} \cdot n} \]
      8. *-commutative54.6%

        \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
      9. clear-num54.6%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      10. un-div-inv54.6%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}} \]
      11. fma-udef54.6%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}} \]
      12. metadata-eval54.6%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{100 \cdot -1}}} \]
      13. metadata-eval54.6%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{\left(-1\right)}}} \]
      14. distribute-lft-in54.6%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}} \]
      15. sub-neg54.6%

        \[\leadsto \frac{n}{\frac{i}{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}} \]
      16. *-commutative54.6%

        \[\leadsto \frac{n}{\frac{i}{\color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right) \cdot 100}}} \]
    3. Applied egg-rr77.0%

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

      \[\leadsto \frac{n}{\color{blue}{0.01 + 0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right)}} \]
    5. Step-by-step derivation
      1. +-commutative89.5%

        \[\leadsto \frac{n}{\color{blue}{0.01 \cdot \left(i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)\right) + 0.01}} \]
      2. fma-def89.5%

        \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right), 0.01\right)}} \]
      3. sub-neg89.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}, 0.01\right)} \]
      4. associate-*r/89.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right), 0.01\right)} \]
      5. metadata-eval89.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right), 0.01\right)} \]
      6. metadata-eval89.5%

        \[\leadsto \frac{n}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right), 0.01\right)} \]
    6. Simplified89.5%

      \[\leadsto \frac{n}{\color{blue}{\mathsf{fma}\left(0.01, i \cdot \left(\frac{0.5}{n} + -0.5\right), 0.01\right)}} \]
    7. Taylor expanded in n around 0 78.5%

      \[\leadsto \frac{n}{\color{blue}{0.005 \cdot \frac{i}{n}}} \]
    8. Step-by-step derivation
      1. *-commutative78.5%

        \[\leadsto \frac{n}{\color{blue}{\frac{i}{n} \cdot 0.005}} \]
    9. Simplified78.5%

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

    if 1.30000000000000002e-135 < n

    1. Initial program 18.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/18.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*18.6%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative18.6%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/18.6%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg18.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in18.5%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. fma-def18.6%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
      8. metadata-eval18.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
      9. metadata-eval18.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified18.6%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Taylor expanded in i around 0 67.2%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    5. Step-by-step derivation
      1. associate-*r*67.2%

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

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
      3. associate-*r/67.2%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      4. metadata-eval67.2%

        \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    6. Simplified67.2%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    7. Taylor expanded in n around inf 67.2%

      \[\leadsto \color{blue}{n \cdot \left(100 + 50 \cdot i\right)} \]
    8. Step-by-step derivation
      1. *-commutative67.2%

        \[\leadsto n \cdot \left(100 + \color{blue}{i \cdot 50}\right) \]
    9. Simplified67.2%

      \[\leadsto \color{blue}{n \cdot \left(100 + i \cdot 50\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification66.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -4.8 \cdot 10^{-203}:\\ \;\;\;\;\frac{n}{0.01 + i \cdot -0.005}\\ \mathbf{elif}\;n \leq 1.3 \cdot 10^{-135}:\\ \;\;\;\;\frac{n}{\frac{i}{n} \cdot 0.005}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]

Alternative 15: 58.4% accurate, 12.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -2 \cdot 10^{+30}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 9.5 \cdot 10^{+28}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -2e+30)
   (* 100.0 (/ i (/ i n)))
   (if (<= i 9.5e+28) (* n 100.0) (* n (* i 50.0)))))
double code(double i, double n) {
	double tmp;
	if (i <= -2e+30) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 9.5e+28) {
		tmp = n * 100.0;
	} else {
		tmp = n * (i * 50.0);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-2d+30)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (i <= 9.5d+28) then
        tmp = n * 100.0d0
    else
        tmp = n * (i * 50.0d0)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -2e+30) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 9.5e+28) {
		tmp = n * 100.0;
	} else {
		tmp = n * (i * 50.0);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -2e+30:
		tmp = 100.0 * (i / (i / n))
	elif i <= 9.5e+28:
		tmp = n * 100.0
	else:
		tmp = n * (i * 50.0)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -2e+30)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (i <= 9.5e+28)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(n * Float64(i * 50.0));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -2e+30)
		tmp = 100.0 * (i / (i / n));
	elseif (i <= 9.5e+28)
		tmp = n * 100.0;
	else
		tmp = n * (i * 50.0);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -2e+30], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 9.5e+28], N[(n * 100.0), $MachinePrecision], N[(n * N[(i * 50.0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -2 \cdot 10^{+30}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 9.5 \cdot 10^{+28}:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -2e30

    1. Initial program 66.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 30.6%

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

    if -2e30 < i < 9.49999999999999927e28

    1. Initial program 12.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 74.7%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative74.7%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified74.7%

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

    if 9.49999999999999927e28 < i

    1. Initial program 46.3%

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

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(1 + \left(i + {i}^{2} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} - 1}{\frac{i}{n}} \]
    3. Step-by-step derivation
      1. unpow235.3%

        \[\leadsto 100 \cdot \frac{\left(1 + \left(i + \color{blue}{\left(i \cdot i\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) - 1}{\frac{i}{n}} \]
      2. associate-*r/35.3%

        \[\leadsto 100 \cdot \frac{\left(1 + \left(i + \left(i \cdot i\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) - 1}{\frac{i}{n}} \]
      3. metadata-eval35.3%

        \[\leadsto 100 \cdot \frac{\left(1 + \left(i + \left(i \cdot i\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) - 1}{\frac{i}{n}} \]
    4. Simplified35.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(1 + \left(i + \left(i \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} - 1}{\frac{i}{n}} \]
    5. Taylor expanded in n around inf 39.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{i + 0.5 \cdot {i}^{2}}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative39.8%

        \[\leadsto 100 \cdot \frac{i + \color{blue}{{i}^{2} \cdot 0.5}}{\frac{i}{n}} \]
      2. unpow239.8%

        \[\leadsto 100 \cdot \frac{i + \color{blue}{\left(i \cdot i\right)} \cdot 0.5}{\frac{i}{n}} \]
    7. Simplified39.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{i + \left(i \cdot i\right) \cdot 0.5}}{\frac{i}{n}} \]
    8. Taylor expanded in i around inf 28.2%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
    9. Step-by-step derivation
      1. *-commutative28.2%

        \[\leadsto \color{blue}{\left(n \cdot i\right) \cdot 50} \]
      2. associate-*l*28.2%

        \[\leadsto \color{blue}{n \cdot \left(i \cdot 50\right)} \]
    10. Simplified28.2%

      \[\leadsto \color{blue}{n \cdot \left(i \cdot 50\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification58.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -2 \cdot 10^{+30}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 9.5 \cdot 10^{+28}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(i \cdot 50\right)\\ \end{array} \]

Alternative 16: 55.0% accurate, 16.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 9.5 \cdot 10^{+28}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 9.5e+28) (* n 100.0) (* n (* i 50.0))))
double code(double i, double n) {
	double tmp;
	if (i <= 9.5e+28) {
		tmp = n * 100.0;
	} else {
		tmp = n * (i * 50.0);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 9.5d+28) then
        tmp = n * 100.0d0
    else
        tmp = n * (i * 50.0d0)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 9.5e+28) {
		tmp = n * 100.0;
	} else {
		tmp = n * (i * 50.0);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 9.5e+28:
		tmp = n * 100.0
	else:
		tmp = n * (i * 50.0)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 9.5e+28)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(n * Float64(i * 50.0));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 9.5e+28)
		tmp = n * 100.0;
	else
		tmp = n * (i * 50.0);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 9.5e+28], N[(n * 100.0), $MachinePrecision], N[(n * N[(i * 50.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 9.5 \cdot 10^{+28}:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 9.49999999999999927e28

    1. Initial program 23.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Taylor expanded in i around 0 60.2%

      \[\leadsto \color{blue}{100 \cdot n} \]
    3. Step-by-step derivation
      1. *-commutative60.2%

        \[\leadsto \color{blue}{n \cdot 100} \]
    4. Simplified60.2%

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

    if 9.49999999999999927e28 < i

    1. Initial program 46.3%

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

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(1 + \left(i + {i}^{2} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} - 1}{\frac{i}{n}} \]
    3. Step-by-step derivation
      1. unpow235.3%

        \[\leadsto 100 \cdot \frac{\left(1 + \left(i + \color{blue}{\left(i \cdot i\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right) - 1}{\frac{i}{n}} \]
      2. associate-*r/35.3%

        \[\leadsto 100 \cdot \frac{\left(1 + \left(i + \left(i \cdot i\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)\right) - 1}{\frac{i}{n}} \]
      3. metadata-eval35.3%

        \[\leadsto 100 \cdot \frac{\left(1 + \left(i + \left(i \cdot i\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)\right) - 1}{\frac{i}{n}} \]
    4. Simplified35.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(1 + \left(i + \left(i \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)} - 1}{\frac{i}{n}} \]
    5. Taylor expanded in n around inf 39.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{i + 0.5 \cdot {i}^{2}}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative39.8%

        \[\leadsto 100 \cdot \frac{i + \color{blue}{{i}^{2} \cdot 0.5}}{\frac{i}{n}} \]
      2. unpow239.8%

        \[\leadsto 100 \cdot \frac{i + \color{blue}{\left(i \cdot i\right)} \cdot 0.5}{\frac{i}{n}} \]
    7. Simplified39.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{i + \left(i \cdot i\right) \cdot 0.5}}{\frac{i}{n}} \]
    8. Taylor expanded in i around inf 28.2%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
    9. Step-by-step derivation
      1. *-commutative28.2%

        \[\leadsto \color{blue}{\left(n \cdot i\right) \cdot 50} \]
      2. associate-*l*28.2%

        \[\leadsto \color{blue}{n \cdot \left(i \cdot 50\right)} \]
    10. Simplified28.2%

      \[\leadsto \color{blue}{n \cdot \left(i \cdot 50\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification54.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 9.5 \cdot 10^{+28}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(i \cdot 50\right)\\ \end{array} \]

Alternative 17: 2.8% accurate, 38.0× speedup?

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

\\
i \cdot -50
\end{array}
Derivation
  1. Initial program 27.5%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Step-by-step derivation
    1. associate-/r/27.8%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
    2. associate-*r*27.8%

      \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
    3. *-commutative27.8%

      \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
    4. associate-*r/27.8%

      \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
    5. sub-neg27.8%

      \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
    6. distribute-lft-in27.8%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
    7. fma-def27.8%

      \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \left(-1\right)\right)}}{i} \]
    8. metadata-eval27.8%

      \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, 100 \cdot \color{blue}{-1}\right)}{i} \]
    9. metadata-eval27.8%

      \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
  3. Simplified27.8%

    \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
  4. Taylor expanded in i around 0 53.7%

    \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
  5. Step-by-step derivation
    1. associate-*r*53.7%

      \[\leadsto n \cdot \left(100 + \color{blue}{\left(100 \cdot i\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
    2. *-commutative53.7%

      \[\leadsto n \cdot \left(100 + \color{blue}{\left(i \cdot 100\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \]
    3. associate-*r/53.7%

      \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
    4. metadata-eval53.7%

      \[\leadsto n \cdot \left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
  6. Simplified53.7%

    \[\leadsto n \cdot \color{blue}{\left(100 + \left(i \cdot 100\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
  7. Taylor expanded in n around 0 2.9%

    \[\leadsto \color{blue}{-50 \cdot i} \]
  8. Step-by-step derivation
    1. *-commutative2.9%

      \[\leadsto \color{blue}{i \cdot -50} \]
  9. Simplified2.9%

    \[\leadsto \color{blue}{i \cdot -50} \]
  10. Final simplification2.9%

    \[\leadsto i \cdot -50 \]

Alternative 18: 49.4% accurate, 38.0× speedup?

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

\\
n \cdot 100
\end{array}
Derivation
  1. Initial program 27.5%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Taylor expanded in i around 0 50.5%

    \[\leadsto \color{blue}{100 \cdot n} \]
  3. Step-by-step derivation
    1. *-commutative50.5%

      \[\leadsto \color{blue}{n \cdot 100} \]
  4. Simplified50.5%

    \[\leadsto \color{blue}{n \cdot 100} \]
  5. Final simplification50.5%

    \[\leadsto n \cdot 100 \]

Developer target: 34.4% 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 2023200 
(FPCore (i n)
  :name "Compound Interest"
  :precision binary64

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

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