Compound Interest

Percentage Accurate: 27.3% → 94.5%
Time: 24.3s
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: 27.3% accurate, 1.0× speedup?

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

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

Alternative 1: 94.5% accurate, 0.3× speedup?

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

\\
\begin{array}{l}
t_0 := {\left(1 + \frac{i}{n}\right)}^{n}\\
t_1 := \frac{t\_0 + -1}{\frac{i}{n}}\\
\mathbf{if}\;t\_1 \leq 0:\\
\;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{\frac{i}{n}}\\

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < -0.0

    1. Initial program 26.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. sub-neg26.3%

        \[\leadsto 100 \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)}}{\frac{i}{n}} \]
      2. metadata-eval26.3%

        \[\leadsto 100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-1}}{\frac{i}{n}} \]
    4. Applied egg-rr26.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} + -1}}{\frac{i}{n}} \]
    5. Step-by-step derivation
      1. metadata-eval26.3%

        \[\leadsto 100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-1\right)}}{\frac{i}{n}} \]
      2. sub-neg26.3%

        \[\leadsto 100 \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} - 1}}{\frac{i}{n}} \]
      3. exp-to-pow25.8%

        \[\leadsto 100 \cdot \frac{\color{blue}{e^{\log \left(1 + \frac{i}{n}\right) \cdot n}} - 1}{\frac{i}{n}} \]
      4. log1p-undefine47.7%

        \[\leadsto 100 \cdot \frac{e^{\color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)} \cdot n} - 1}{\frac{i}{n}} \]
      5. *-commutative47.7%

        \[\leadsto 100 \cdot \frac{e^{\color{blue}{n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)}} - 1}{\frac{i}{n}} \]
      6. expm1-undefine99.2%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}{\frac{i}{n}} \]
    6. Simplified99.2%

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

    if -0.0 < (/.f64 (-.f64 (pow.f64 (+.f64 #s(literal 1 binary64) (/.f64 i n)) n) #s(literal 1 binary64)) (/.f64 i n)) < +inf.0

    1. Initial program 99.7%

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

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*99.7%

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

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/99.8%

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

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in99.9%

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

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

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

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

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

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

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. fma-undefine99.9%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + -100}}{i} \]
      2. *-commutative99.9%

        \[\leadsto n \cdot \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100} + -100}{i} \]
    6. Applied egg-rr99.9%

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

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

    1. Initial program 0.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 86.8%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative86.8%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified86.8%

      \[\leadsto \color{blue}{n \cdot 100} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification97.2%

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

Alternative 2: 81.6% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 100 \cdot \frac{n \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{if}\;n \leq -1.6 \cdot 10^{-86}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{n}{i}\right)\\ \mathbf{elif}\;n \leq 1.32 \cdot 10^{-247}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.5 \cdot 10^{-28}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (* 100.0 (/ (* n (expm1 i)) i))))
   (if (<= n -1.6e-86)
     t_0
     (if (<= n -1.02e-178)
       (* 100.0 (* (expm1 i) (/ n i)))
       (if (<= n 1.32e-247)
         (/ 0.0 (/ i n))
         (if (<= n 1.5e-28) (* 100.0 (/ i (/ i n))) t_0))))))
double code(double i, double n) {
	double t_0 = 100.0 * ((n * expm1(i)) / i);
	double tmp;
	if (n <= -1.6e-86) {
		tmp = t_0;
	} else if (n <= -1.02e-178) {
		tmp = 100.0 * (expm1(i) * (n / i));
	} else if (n <= 1.32e-247) {
		tmp = 0.0 / (i / n);
	} else if (n <= 1.5e-28) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = t_0;
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = 100.0 * ((n * Math.expm1(i)) / i);
	double tmp;
	if (n <= -1.6e-86) {
		tmp = t_0;
	} else if (n <= -1.02e-178) {
		tmp = 100.0 * (Math.expm1(i) * (n / i));
	} else if (n <= 1.32e-247) {
		tmp = 0.0 / (i / n);
	} else if (n <= 1.5e-28) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = t_0;
	}
	return tmp;
}
def code(i, n):
	t_0 = 100.0 * ((n * math.expm1(i)) / i)
	tmp = 0
	if n <= -1.6e-86:
		tmp = t_0
	elif n <= -1.02e-178:
		tmp = 100.0 * (math.expm1(i) * (n / i))
	elif n <= 1.32e-247:
		tmp = 0.0 / (i / n)
	elif n <= 1.5e-28:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = t_0
	return tmp
function code(i, n)
	t_0 = Float64(100.0 * Float64(Float64(n * expm1(i)) / i))
	tmp = 0.0
	if (n <= -1.6e-86)
		tmp = t_0;
	elseif (n <= -1.02e-178)
		tmp = Float64(100.0 * Float64(expm1(i) * Float64(n / i)));
	elseif (n <= 1.32e-247)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (n <= 1.5e-28)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = t_0;
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(100.0 * N[(N[(n * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -1.6e-86], t$95$0, If[LessEqual[n, -1.02e-178], N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] * N[(n / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.32e-247], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.5e-28], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 100 \cdot \frac{n \cdot \mathsf{expm1}\left(i\right)}{i}\\
\mathbf{if}\;n \leq -1.6 \cdot 10^{-86}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\
\;\;\;\;100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{n}{i}\right)\\

\mathbf{elif}\;n \leq 1.32 \cdot 10^{-247}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 1.5 \cdot 10^{-28}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -1.60000000000000003e-86 or 1.50000000000000001e-28 < n

    1. Initial program 21.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub21.8%

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg21.9%

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

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

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr21.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg21.9%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified21.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/21.8%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div22.4%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative22.4%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr22.4%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in n around inf 42.0%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \left(e^{i} - 1\right)}}{i} \]
    10. Step-by-step derivation
      1. expm1-define92.0%

        \[\leadsto 100 \cdot \frac{n \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    11. Simplified92.0%

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

    if -1.60000000000000003e-86 < n < -1.02000000000000006e-178

    1. Initial program 28.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 23.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define76.5%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified76.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. div-inv76.3%

        \[\leadsto 100 \cdot \color{blue}{\left(\mathsf{expm1}\left(i\right) \cdot \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num76.5%

        \[\leadsto 100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \color{blue}{\frac{n}{i}}\right) \]
    7. Applied egg-rr76.5%

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

    if -1.02000000000000006e-178 < n < 1.3200000000000001e-247

    1. Initial program 79.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/79.9%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg79.9%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in79.9%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval79.9%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval79.9%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified79.9%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative52.9%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 84.1%

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

    if 1.3200000000000001e-247 < n < 1.50000000000000001e-28

    1. Initial program 16.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 61.9%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification85.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.6 \cdot 10^{-86}:\\ \;\;\;\;100 \cdot \frac{n \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{n}{i}\right)\\ \mathbf{elif}\;n \leq 1.32 \cdot 10^{-247}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.5 \cdot 10^{-28}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot \mathsf{expm1}\left(i\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 74.7% accurate, 0.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{n}{i}\right)\\ \mathbf{if}\;i \leq -3.4 \cdot 10^{+32}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 0.37:\\ \;\;\;\;n \cdot \left(100 + 100 \cdot \left(i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (* 100.0 (* (expm1 i) (/ n i)))))
   (if (<= i -3.4e+32)
     t_0
     (if (<= i -2.35e-5)
       (/ 0.0 (/ i n))
       (if (<= i 0.37)
         (* n (+ 100.0 (* 100.0 (* i (- 0.5 (/ 0.5 n))))))
         t_0)))))
double code(double i, double n) {
	double t_0 = 100.0 * (expm1(i) * (n / i));
	double tmp;
	if (i <= -3.4e+32) {
		tmp = t_0;
	} else if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else if (i <= 0.37) {
		tmp = n * (100.0 + (100.0 * (i * (0.5 - (0.5 / n)))));
	} else {
		tmp = t_0;
	}
	return tmp;
}
public static double code(double i, double n) {
	double t_0 = 100.0 * (Math.expm1(i) * (n / i));
	double tmp;
	if (i <= -3.4e+32) {
		tmp = t_0;
	} else if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else if (i <= 0.37) {
		tmp = n * (100.0 + (100.0 * (i * (0.5 - (0.5 / n)))));
	} else {
		tmp = t_0;
	}
	return tmp;
}
def code(i, n):
	t_0 = 100.0 * (math.expm1(i) * (n / i))
	tmp = 0
	if i <= -3.4e+32:
		tmp = t_0
	elif i <= -2.35e-5:
		tmp = 0.0 / (i / n)
	elif i <= 0.37:
		tmp = n * (100.0 + (100.0 * (i * (0.5 - (0.5 / n)))))
	else:
		tmp = t_0
	return tmp
function code(i, n)
	t_0 = Float64(100.0 * Float64(expm1(i) * Float64(n / i)))
	tmp = 0.0
	if (i <= -3.4e+32)
		tmp = t_0;
	elseif (i <= -2.35e-5)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (i <= 0.37)
		tmp = Float64(n * Float64(100.0 + Float64(100.0 * Float64(i * Float64(0.5 - Float64(0.5 / n))))));
	else
		tmp = t_0;
	end
	return tmp
end
code[i_, n_] := Block[{t$95$0 = N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] * N[(n / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[i, -3.4e+32], t$95$0, If[LessEqual[i, -2.35e-5], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 0.37], N[(n * N[(100.0 + N[(100.0 * N[(i * N[(0.5 - N[(0.5 / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{n}{i}\right)\\
\mathbf{if}\;i \leq -3.4 \cdot 10^{+32}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;i \leq -2.35 \cdot 10^{-5}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 0.37:\\
\;\;\;\;n \cdot \left(100 + 100 \cdot \left(i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -3.39999999999999979e32 or 0.37 < i

    1. Initial program 50.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 74.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define74.5%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified74.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. div-inv74.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\mathsf{expm1}\left(i\right) \cdot \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num74.5%

        \[\leadsto 100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \color{blue}{\frac{n}{i}}\right) \]
    7. Applied egg-rr74.5%

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

    if -3.39999999999999979e32 < i < -2.34999999999999986e-5

    1. Initial program 97.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/97.9%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg97.9%

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

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified97.8%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 6.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative6.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified6.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 83.9%

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

    if -2.34999999999999986e-5 < i < 0.37

    1. Initial program 7.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/7.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*7.8%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative7.8%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/7.8%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg7.8%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in7.8%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval7.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval7.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval7.8%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define7.8%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval7.8%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified7.8%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 85.8%

      \[\leadsto n \cdot \color{blue}{\left(100 + 100 \cdot \left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    6. Step-by-step derivation
      1. *-commutative85.8%

        \[\leadsto n \cdot \left(100 + \color{blue}{\left(i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right) \cdot 100}\right) \]
      2. associate-*r/85.8%

        \[\leadsto n \cdot \left(100 + \left(i \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \cdot 100\right) \]
      3. metadata-eval85.8%

        \[\leadsto n \cdot \left(100 + \left(i \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \cdot 100\right) \]
    7. Simplified85.8%

      \[\leadsto n \cdot \color{blue}{\left(100 + \left(i \cdot \left(0.5 - \frac{0.5}{n}\right)\right) \cdot 100\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification81.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -3.4 \cdot 10^{+32}:\\ \;\;\;\;100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{n}{i}\right)\\ \mathbf{elif}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 0.37:\\ \;\;\;\;n \cdot \left(100 + 100 \cdot \left(i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{n}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 80.3% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.02 \cdot 10^{-178} \lor \neg \left(n \leq 1.06 \cdot 10^{-212}\right):\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.02e-178) (not (<= n 1.06e-212)))
   (* n (/ (* 100.0 (expm1 i)) i))
   (/ 0.0 (/ i n))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.02e-178) || !(n <= 1.06e-212)) {
		tmp = n * ((100.0 * expm1(i)) / i);
	} else {
		tmp = 0.0 / (i / n);
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.02e-178) || !(n <= 1.06e-212)) {
		tmp = n * ((100.0 * Math.expm1(i)) / i);
	} else {
		tmp = 0.0 / (i / n);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.02e-178) or not (n <= 1.06e-212):
		tmp = n * ((100.0 * math.expm1(i)) / i)
	else:
		tmp = 0.0 / (i / n)
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.02e-178) || !(n <= 1.06e-212))
		tmp = Float64(n * Float64(Float64(100.0 * expm1(i)) / i));
	else
		tmp = Float64(0.0 / Float64(i / n));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -1.02e-178], N[Not[LessEqual[n, 1.06e-212]], $MachinePrecision]], N[(n * N[(N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.02 \cdot 10^{-178} \lor \neg \left(n \leq 1.06 \cdot 10^{-212}\right):\\
\;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.02000000000000006e-178 or 1.06000000000000004e-212 < n

    1. Initial program 21.6%

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

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*22.0%

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

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/22.0%

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

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

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define22.0%

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

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

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 35.2%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg35.2%

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

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

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in35.2%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval35.2%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg35.2%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define84.9%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified84.9%

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

    if -1.02000000000000006e-178 < n < 1.06000000000000004e-212

    1. Initial program 67.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/67.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg67.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in67.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified67.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative52.9%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 81.0%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.02 \cdot 10^{-178} \lor \neg \left(n \leq 1.06 \cdot 10^{-212}\right):\\ \;\;\;\;n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 80.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -1.02 \cdot 10^{-178} \lor \neg \left(n \leq 1.06 \cdot 10^{-212}\right):\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -1.02e-178) (not (<= n 1.06e-212)))
   (* 100.0 (* n (/ (expm1 i) i)))
   (/ 0.0 (/ i n))))
double code(double i, double n) {
	double tmp;
	if ((n <= -1.02e-178) || !(n <= 1.06e-212)) {
		tmp = 100.0 * (n * (expm1(i) / i));
	} else {
		tmp = 0.0 / (i / n);
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -1.02e-178) || !(n <= 1.06e-212)) {
		tmp = 100.0 * (n * (Math.expm1(i) / i));
	} else {
		tmp = 0.0 / (i / n);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -1.02e-178) or not (n <= 1.06e-212):
		tmp = 100.0 * (n * (math.expm1(i) / i))
	else:
		tmp = 0.0 / (i / n)
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -1.02e-178) || !(n <= 1.06e-212))
		tmp = Float64(100.0 * Float64(n * Float64(expm1(i) / i)));
	else
		tmp = Float64(0.0 / Float64(i / n));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -1.02e-178], N[Not[LessEqual[n, 1.06e-212]], $MachinePrecision]], N[(100.0 * N[(n * N[(N[(Exp[i] - 1), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -1.02 \cdot 10^{-178} \lor \neg \left(n \leq 1.06 \cdot 10^{-212}\right):\\
\;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -1.02000000000000006e-178 or 1.06000000000000004e-212 < n

    1. Initial program 21.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 35.2%

      \[\leadsto \color{blue}{100 \cdot \frac{n \cdot \left(e^{i} - 1\right)}{i}} \]
    4. Step-by-step derivation
      1. *-commutative35.2%

        \[\leadsto \color{blue}{\frac{n \cdot \left(e^{i} - 1\right)}{i} \cdot 100} \]
      2. associate-/l*35.2%

        \[\leadsto \color{blue}{\left(n \cdot \frac{e^{i} - 1}{i}\right)} \cdot 100 \]
      3. expm1-define85.0%

        \[\leadsto \left(n \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{i}\right) \cdot 100 \]
    5. Simplified85.0%

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

    if -1.02000000000000006e-178 < n < 1.06000000000000004e-212

    1. Initial program 67.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/67.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg67.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in67.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified67.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative52.9%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 81.0%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.02 \cdot 10^{-178} \lor \neg \left(n \leq 1.06 \cdot 10^{-212}\right):\\ \;\;\;\;100 \cdot \left(n \cdot \frac{\mathsf{expm1}\left(i\right)}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 68.4% accurate, 2.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + \left(i \cdot n\right) \cdot 0.16666666666666666\right)\right)}{i}\\ t_1 := 100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{if}\;n \leq -4 \cdot 10^{+64}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;n \leq 1.9 \cdot 10^{-243}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.5 \cdot 10^{-28}:\\ \;\;\;\;t\_1\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0
         (*
          100.0
          (/
           (* i (+ n (* i (+ (* n 0.5) (* (* i n) 0.16666666666666666)))))
           i)))
        (t_1 (* 100.0 (/ i (/ i n)))))
   (if (<= n -4e+64)
     t_0
     (if (<= n -1.02e-178)
       t_1
       (if (<= n 1.9e-243) (/ 0.0 (/ i n)) (if (<= n 1.5e-28) t_1 t_0))))))
double code(double i, double n) {
	double t_0 = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i);
	double t_1 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -4e+64) {
		tmp = t_0;
	} else if (n <= -1.02e-178) {
		tmp = t_1;
	} else if (n <= 1.9e-243) {
		tmp = 0.0 / (i / n);
	} else if (n <= 1.5e-28) {
		tmp = t_1;
	} else {
		tmp = t_0;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: tmp
    t_0 = 100.0d0 * ((i * (n + (i * ((n * 0.5d0) + ((i * n) * 0.16666666666666666d0))))) / i)
    t_1 = 100.0d0 * (i / (i / n))
    if (n <= (-4d+64)) then
        tmp = t_0
    else if (n <= (-1.02d-178)) then
        tmp = t_1
    else if (n <= 1.9d-243) then
        tmp = 0.0d0 / (i / n)
    else if (n <= 1.5d-28) then
        tmp = t_1
    else
        tmp = t_0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double t_0 = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i);
	double t_1 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -4e+64) {
		tmp = t_0;
	} else if (n <= -1.02e-178) {
		tmp = t_1;
	} else if (n <= 1.9e-243) {
		tmp = 0.0 / (i / n);
	} else if (n <= 1.5e-28) {
		tmp = t_1;
	} else {
		tmp = t_0;
	}
	return tmp;
}
def code(i, n):
	t_0 = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i)
	t_1 = 100.0 * (i / (i / n))
	tmp = 0
	if n <= -4e+64:
		tmp = t_0
	elif n <= -1.02e-178:
		tmp = t_1
	elif n <= 1.9e-243:
		tmp = 0.0 / (i / n)
	elif n <= 1.5e-28:
		tmp = t_1
	else:
		tmp = t_0
	return tmp
function code(i, n)
	t_0 = Float64(100.0 * Float64(Float64(i * Float64(n + Float64(i * Float64(Float64(n * 0.5) + Float64(Float64(i * n) * 0.16666666666666666))))) / i))
	t_1 = Float64(100.0 * Float64(i / Float64(i / n)))
	tmp = 0.0
	if (n <= -4e+64)
		tmp = t_0;
	elseif (n <= -1.02e-178)
		tmp = t_1;
	elseif (n <= 1.9e-243)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (n <= 1.5e-28)
		tmp = t_1;
	else
		tmp = t_0;
	end
	return tmp
end
function tmp_2 = code(i, n)
	t_0 = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i);
	t_1 = 100.0 * (i / (i / n));
	tmp = 0.0;
	if (n <= -4e+64)
		tmp = t_0;
	elseif (n <= -1.02e-178)
		tmp = t_1;
	elseif (n <= 1.9e-243)
		tmp = 0.0 / (i / n);
	elseif (n <= 1.5e-28)
		tmp = t_1;
	else
		tmp = t_0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := Block[{t$95$0 = N[(100.0 * N[(N[(i * N[(n + N[(i * N[(N[(n * 0.5), $MachinePrecision] + N[(N[(i * n), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -4e+64], t$95$0, If[LessEqual[n, -1.02e-178], t$95$1, If[LessEqual[n, 1.9e-243], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.5e-28], t$95$1, t$95$0]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + \left(i \cdot n\right) \cdot 0.16666666666666666\right)\right)}{i}\\
t_1 := 100 \cdot \frac{i}{\frac{i}{n}}\\
\mathbf{if}\;n \leq -4 \cdot 10^{+64}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\
\;\;\;\;t\_1\\

\mathbf{elif}\;n \leq 1.9 \cdot 10^{-243}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 1.5 \cdot 10^{-28}:\\
\;\;\;\;t\_1\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -4.00000000000000009e64 or 1.50000000000000001e-28 < n

    1. Initial program 19.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub19.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num20.0%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg20.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv20.0%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num19.9%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr19.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg19.9%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified19.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/19.9%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div20.4%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative20.4%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr20.4%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in n around inf 47.5%

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

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

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    12. Taylor expanded in i around 0 74.2%

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

    if -4.00000000000000009e64 < n < -1.02000000000000006e-178 or 1.8999999999999999e-243 < n < 1.50000000000000001e-28

    1. Initial program 24.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 62.7%

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

    if -1.02000000000000006e-178 < n < 1.8999999999999999e-243

    1. Initial program 79.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/79.9%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg79.9%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in79.9%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval79.9%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval79.9%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified79.9%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative52.9%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 84.1%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification71.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -4 \cdot 10^{+64}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + \left(i \cdot n\right) \cdot 0.16666666666666666\right)\right)}{i}\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.9 \cdot 10^{-243}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.5 \cdot 10^{-28}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + \left(i \cdot n\right) \cdot 0.16666666666666666\right)\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 67.5% accurate, 3.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.4 \cdot 10^{+64}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + \left(i \cdot n\right) \cdot 0.16666666666666666\right)\right)}{i}\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 3.2 \cdot 10^{-213}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100 + i \cdot \left(n \cdot 50 + i \cdot \left(\left(i \cdot n\right) \cdot 4.166666666666667 + n \cdot 16.666666666666668\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -3.4e+64)
   (*
    100.0
    (/ (* i (+ n (* i (+ (* n 0.5) (* (* i n) 0.16666666666666666))))) i))
   (if (<= n -1.02e-178)
     (* 100.0 (/ i (/ i n)))
     (if (<= n 3.2e-213)
       (/ 0.0 (/ i n))
       (+
        (* n 100.0)
        (*
         i
         (+
          (* n 50.0)
          (*
           i
           (+ (* (* i n) 4.166666666666667) (* n 16.666666666666668))))))))))
double code(double i, double n) {
	double tmp;
	if (n <= -3.4e+64) {
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i);
	} else if (n <= -1.02e-178) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 3.2e-213) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-3.4d+64)) then
        tmp = 100.0d0 * ((i * (n + (i * ((n * 0.5d0) + ((i * n) * 0.16666666666666666d0))))) / i)
    else if (n <= (-1.02d-178)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (n <= 3.2d-213) then
        tmp = 0.0d0 / (i / n)
    else
        tmp = (n * 100.0d0) + (i * ((n * 50.0d0) + (i * (((i * n) * 4.166666666666667d0) + (n * 16.666666666666668d0)))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -3.4e+64) {
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i);
	} else if (n <= -1.02e-178) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 3.2e-213) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -3.4e+64:
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i)
	elif n <= -1.02e-178:
		tmp = 100.0 * (i / (i / n))
	elif n <= 3.2e-213:
		tmp = 0.0 / (i / n)
	else:
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -3.4e+64)
		tmp = Float64(100.0 * Float64(Float64(i * Float64(n + Float64(i * Float64(Float64(n * 0.5) + Float64(Float64(i * n) * 0.16666666666666666))))) / i));
	elseif (n <= -1.02e-178)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (n <= 3.2e-213)
		tmp = Float64(0.0 / Float64(i / n));
	else
		tmp = Float64(Float64(n * 100.0) + Float64(i * Float64(Float64(n * 50.0) + Float64(i * Float64(Float64(Float64(i * n) * 4.166666666666667) + Float64(n * 16.666666666666668))))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -3.4e+64)
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + ((i * n) * 0.16666666666666666))))) / i);
	elseif (n <= -1.02e-178)
		tmp = 100.0 * (i / (i / n));
	elseif (n <= 3.2e-213)
		tmp = 0.0 / (i / n);
	else
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -3.4e+64], N[(100.0 * N[(N[(i * N[(n + N[(i * N[(N[(n * 0.5), $MachinePrecision] + N[(N[(i * n), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, -1.02e-178], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 3.2e-213], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(N[(n * 100.0), $MachinePrecision] + N[(i * N[(N[(n * 50.0), $MachinePrecision] + N[(i * N[(N[(N[(i * n), $MachinePrecision] * 4.166666666666667), $MachinePrecision] + N[(n * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.4 \cdot 10^{+64}:\\
\;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + \left(i \cdot n\right) \cdot 0.16666666666666666\right)\right)}{i}\\

\mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 3.2 \cdot 10^{-213}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -3.4000000000000002e64

    1. Initial program 21.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub21.3%

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg21.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv21.4%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num21.3%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr21.3%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg21.3%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified21.3%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/21.3%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div21.9%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative21.9%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr21.9%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in n around inf 50.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \left(e^{i} - 1\right)}}{i} \]
    10. Step-by-step derivation
      1. expm1-define96.7%

        \[\leadsto 100 \cdot \frac{n \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    11. Simplified96.7%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    12. Taylor expanded in i around 0 65.3%

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

    if -3.4000000000000002e64 < n < -1.02000000000000006e-178

    1. Initial program 30.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 63.3%

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

    if -1.02000000000000006e-178 < n < 3.19999999999999972e-213

    1. Initial program 67.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/67.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg67.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in67.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified67.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative52.9%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 81.0%

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

    if 3.19999999999999972e-213 < n

    1. Initial program 17.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 33.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define67.2%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified67.2%

      \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    6. Taylor expanded in i around 0 73.5%

      \[\leadsto \color{blue}{100 \cdot n + i \cdot \left(50 \cdot n + i \cdot \left(4.166666666666667 \cdot \left(i \cdot n\right) + 16.666666666666668 \cdot n\right)\right)} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification70.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.4 \cdot 10^{+64}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + \left(i \cdot n\right) \cdot 0.16666666666666666\right)\right)}{i}\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 3.2 \cdot 10^{-213}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100 + i \cdot \left(n \cdot 50 + i \cdot \left(\left(i \cdot n\right) \cdot 4.166666666666667 + n \cdot 16.666666666666668\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 67.7% accurate, 3.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.3 \cdot 10^{+65}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + i \cdot \left(0.041666666666666664 \cdot \left(i \cdot n\right) + n \cdot 0.16666666666666666\right)\right)\right)}{i}\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.06 \cdot 10^{-212}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100 + i \cdot \left(n \cdot 50 + i \cdot \left(\left(i \cdot n\right) \cdot 4.166666666666667 + n \cdot 16.666666666666668\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -3.3e+65)
   (*
    100.0
    (/
     (*
      i
      (+
       n
       (*
        i
        (+
         (* n 0.5)
         (*
          i
          (+ (* 0.041666666666666664 (* i n)) (* n 0.16666666666666666)))))))
     i))
   (if (<= n -1.02e-178)
     (* 100.0 (/ i (/ i n)))
     (if (<= n 1.06e-212)
       (/ 0.0 (/ i n))
       (+
        (* n 100.0)
        (*
         i
         (+
          (* n 50.0)
          (*
           i
           (+ (* (* i n) 4.166666666666667) (* n 16.666666666666668))))))))))
double code(double i, double n) {
	double tmp;
	if (n <= -3.3e+65) {
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + (i * ((0.041666666666666664 * (i * n)) + (n * 0.16666666666666666))))))) / i);
	} else if (n <= -1.02e-178) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 1.06e-212) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-3.3d+65)) then
        tmp = 100.0d0 * ((i * (n + (i * ((n * 0.5d0) + (i * ((0.041666666666666664d0 * (i * n)) + (n * 0.16666666666666666d0))))))) / i)
    else if (n <= (-1.02d-178)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (n <= 1.06d-212) then
        tmp = 0.0d0 / (i / n)
    else
        tmp = (n * 100.0d0) + (i * ((n * 50.0d0) + (i * (((i * n) * 4.166666666666667d0) + (n * 16.666666666666668d0)))))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -3.3e+65) {
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + (i * ((0.041666666666666664 * (i * n)) + (n * 0.16666666666666666))))))) / i);
	} else if (n <= -1.02e-178) {
		tmp = 100.0 * (i / (i / n));
	} else if (n <= 1.06e-212) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -3.3e+65:
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + (i * ((0.041666666666666664 * (i * n)) + (n * 0.16666666666666666))))))) / i)
	elif n <= -1.02e-178:
		tmp = 100.0 * (i / (i / n))
	elif n <= 1.06e-212:
		tmp = 0.0 / (i / n)
	else:
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -3.3e+65)
		tmp = Float64(100.0 * Float64(Float64(i * Float64(n + Float64(i * Float64(Float64(n * 0.5) + Float64(i * Float64(Float64(0.041666666666666664 * Float64(i * n)) + Float64(n * 0.16666666666666666))))))) / i));
	elseif (n <= -1.02e-178)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (n <= 1.06e-212)
		tmp = Float64(0.0 / Float64(i / n));
	else
		tmp = Float64(Float64(n * 100.0) + Float64(i * Float64(Float64(n * 50.0) + Float64(i * Float64(Float64(Float64(i * n) * 4.166666666666667) + Float64(n * 16.666666666666668))))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -3.3e+65)
		tmp = 100.0 * ((i * (n + (i * ((n * 0.5) + (i * ((0.041666666666666664 * (i * n)) + (n * 0.16666666666666666))))))) / i);
	elseif (n <= -1.02e-178)
		tmp = 100.0 * (i / (i / n));
	elseif (n <= 1.06e-212)
		tmp = 0.0 / (i / n);
	else
		tmp = (n * 100.0) + (i * ((n * 50.0) + (i * (((i * n) * 4.166666666666667) + (n * 16.666666666666668)))));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -3.3e+65], N[(100.0 * N[(N[(i * N[(n + N[(i * N[(N[(n * 0.5), $MachinePrecision] + N[(i * N[(N[(0.041666666666666664 * N[(i * n), $MachinePrecision]), $MachinePrecision] + N[(n * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, -1.02e-178], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 1.06e-212], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(N[(n * 100.0), $MachinePrecision] + N[(i * N[(N[(n * 50.0), $MachinePrecision] + N[(i * N[(N[(N[(i * n), $MachinePrecision] * 4.166666666666667), $MachinePrecision] + N[(n * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.3 \cdot 10^{+65}:\\
\;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + i \cdot \left(0.041666666666666664 \cdot \left(i \cdot n\right) + n \cdot 0.16666666666666666\right)\right)\right)}{i}\\

\mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 1.06 \cdot 10^{-212}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -3.30000000000000023e65

    1. Initial program 21.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub21.3%

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg21.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv21.4%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num21.3%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr21.3%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg21.3%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified21.3%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/21.3%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div21.9%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative21.9%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr21.9%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in n around inf 50.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \left(e^{i} - 1\right)}}{i} \]
    10. Step-by-step derivation
      1. expm1-define96.7%

        \[\leadsto 100 \cdot \frac{n \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    11. Simplified96.7%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    12. Taylor expanded in i around 0 66.0%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(n + i \cdot \left(0.5 \cdot n + i \cdot \left(0.041666666666666664 \cdot \left(i \cdot n\right) + 0.16666666666666666 \cdot n\right)\right)\right)}}{i} \]

    if -3.30000000000000023e65 < n < -1.02000000000000006e-178

    1. Initial program 30.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 63.3%

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

    if -1.02000000000000006e-178 < n < 1.06000000000000004e-212

    1. Initial program 67.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/67.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg67.7%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in67.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval67.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified67.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative52.9%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 81.0%

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

    if 1.06000000000000004e-212 < n

    1. Initial program 17.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 33.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define67.2%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified67.2%

      \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    6. Taylor expanded in i around 0 73.5%

      \[\leadsto \color{blue}{100 \cdot n + i \cdot \left(50 \cdot n + i \cdot \left(4.166666666666667 \cdot \left(i \cdot n\right) + 16.666666666666668 \cdot n\right)\right)} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification70.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.3 \cdot 10^{+65}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + i \cdot \left(n \cdot 0.5 + i \cdot \left(0.041666666666666664 \cdot \left(i \cdot n\right) + n \cdot 0.16666666666666666\right)\right)\right)}{i}\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.06 \cdot 10^{-212}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100 + i \cdot \left(n \cdot 50 + i \cdot \left(\left(i \cdot n\right) \cdot 4.166666666666667 + n \cdot 16.666666666666668\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 67.8% accurate, 3.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 100 \cdot \frac{i}{\frac{i}{n}}\\ t_1 := 100 \cdot \frac{i \cdot \left(n + 0.5 \cdot \left(i \cdot n\right)\right)}{i}\\ \mathbf{if}\;n \leq -3.4 \cdot 10^{+64}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq 1.5 \cdot 10^{-249}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 7.5 \cdot 10^{-52}:\\ \;\;\;\;t\_0\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (* 100.0 (/ i (/ i n))))
        (t_1 (* 100.0 (/ (* i (+ n (* 0.5 (* i n)))) i))))
   (if (<= n -3.4e+64)
     t_1
     (if (<= n -1.02e-178)
       t_0
       (if (<= n 1.5e-249) (/ 0.0 (/ i n)) (if (<= n 7.5e-52) t_0 t_1))))))
double code(double i, double n) {
	double t_0 = 100.0 * (i / (i / n));
	double t_1 = 100.0 * ((i * (n + (0.5 * (i * n)))) / i);
	double tmp;
	if (n <= -3.4e+64) {
		tmp = t_1;
	} else if (n <= -1.02e-178) {
		tmp = t_0;
	} else if (n <= 1.5e-249) {
		tmp = 0.0 / (i / n);
	} else if (n <= 7.5e-52) {
		tmp = t_0;
	} else {
		tmp = t_1;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: tmp
    t_0 = 100.0d0 * (i / (i / n))
    t_1 = 100.0d0 * ((i * (n + (0.5d0 * (i * n)))) / i)
    if (n <= (-3.4d+64)) then
        tmp = t_1
    else if (n <= (-1.02d-178)) then
        tmp = t_0
    else if (n <= 1.5d-249) then
        tmp = 0.0d0 / (i / n)
    else if (n <= 7.5d-52) then
        tmp = t_0
    else
        tmp = t_1
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double t_0 = 100.0 * (i / (i / n));
	double t_1 = 100.0 * ((i * (n + (0.5 * (i * n)))) / i);
	double tmp;
	if (n <= -3.4e+64) {
		tmp = t_1;
	} else if (n <= -1.02e-178) {
		tmp = t_0;
	} else if (n <= 1.5e-249) {
		tmp = 0.0 / (i / n);
	} else if (n <= 7.5e-52) {
		tmp = t_0;
	} else {
		tmp = t_1;
	}
	return tmp;
}
def code(i, n):
	t_0 = 100.0 * (i / (i / n))
	t_1 = 100.0 * ((i * (n + (0.5 * (i * n)))) / i)
	tmp = 0
	if n <= -3.4e+64:
		tmp = t_1
	elif n <= -1.02e-178:
		tmp = t_0
	elif n <= 1.5e-249:
		tmp = 0.0 / (i / n)
	elif n <= 7.5e-52:
		tmp = t_0
	else:
		tmp = t_1
	return tmp
function code(i, n)
	t_0 = Float64(100.0 * Float64(i / Float64(i / n)))
	t_1 = Float64(100.0 * Float64(Float64(i * Float64(n + Float64(0.5 * Float64(i * n)))) / i))
	tmp = 0.0
	if (n <= -3.4e+64)
		tmp = t_1;
	elseif (n <= -1.02e-178)
		tmp = t_0;
	elseif (n <= 1.5e-249)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (n <= 7.5e-52)
		tmp = t_0;
	else
		tmp = t_1;
	end
	return tmp
end
function tmp_2 = code(i, n)
	t_0 = 100.0 * (i / (i / n));
	t_1 = 100.0 * ((i * (n + (0.5 * (i * n)))) / i);
	tmp = 0.0;
	if (n <= -3.4e+64)
		tmp = t_1;
	elseif (n <= -1.02e-178)
		tmp = t_0;
	elseif (n <= 1.5e-249)
		tmp = 0.0 / (i / n);
	elseif (n <= 7.5e-52)
		tmp = t_0;
	else
		tmp = t_1;
	end
	tmp_2 = tmp;
end
code[i_, n_] := Block[{t$95$0 = N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(100.0 * N[(N[(i * N[(n + N[(0.5 * N[(i * n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -3.4e+64], t$95$1, If[LessEqual[n, -1.02e-178], t$95$0, If[LessEqual[n, 1.5e-249], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 7.5e-52], t$95$0, t$95$1]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 100 \cdot \frac{i}{\frac{i}{n}}\\
t_1 := 100 \cdot \frac{i \cdot \left(n + 0.5 \cdot \left(i \cdot n\right)\right)}{i}\\
\mathbf{if}\;n \leq -3.4 \cdot 10^{+64}:\\
\;\;\;\;t\_1\\

\mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq 1.5 \cdot 10^{-249}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 7.5 \cdot 10^{-52}:\\
\;\;\;\;t\_0\\

\mathbf{else}:\\
\;\;\;\;t\_1\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -3.4000000000000002e64 or 7.50000000000000006e-52 < n

    1. Initial program 19.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub19.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num19.6%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg19.6%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv19.6%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num19.5%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr19.5%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg19.5%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified19.5%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/19.5%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div20.0%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative20.0%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr20.0%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in n around inf 46.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \left(e^{i} - 1\right)}}{i} \]
    10. Step-by-step derivation
      1. expm1-define96.0%

        \[\leadsto 100 \cdot \frac{n \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    11. Simplified96.0%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    12. Taylor expanded in i around 0 69.1%

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

    if -3.4000000000000002e64 < n < -1.02000000000000006e-178 or 1.50000000000000002e-249 < n < 7.50000000000000006e-52

    1. Initial program 25.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 63.2%

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

    if -1.02000000000000006e-178 < n < 1.50000000000000002e-249

    1. Initial program 79.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/79.9%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg79.9%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in79.9%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval79.9%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval79.9%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified79.9%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative52.9%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified52.9%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 84.1%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification68.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.4 \cdot 10^{+64}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + 0.5 \cdot \left(i \cdot n\right)\right)}{i}\\ \mathbf{elif}\;n \leq -1.02 \cdot 10^{-178}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.5 \cdot 10^{-249}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 7.5 \cdot 10^{-52}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i \cdot \left(n + 0.5 \cdot \left(i \cdot n\right)\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 63.4% accurate, 5.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100 + i \cdot \left(n \cdot 50 + \left(i \cdot n\right) \cdot 16.666666666666668\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -2.35e-5)
   (/ 0.0 (/ i n))
   (+ (* n 100.0) (* i (+ (* n 50.0) (* (* i n) 16.666666666666668))))))
double code(double i, double n) {
	double tmp;
	if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = (n * 100.0) + (i * ((n * 50.0) + ((i * n) * 16.666666666666668)));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-2.35d-5)) then
        tmp = 0.0d0 / (i / n)
    else
        tmp = (n * 100.0d0) + (i * ((n * 50.0d0) + ((i * n) * 16.666666666666668d0)))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = (n * 100.0) + (i * ((n * 50.0) + ((i * n) * 16.666666666666668)));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -2.35e-5:
		tmp = 0.0 / (i / n)
	else:
		tmp = (n * 100.0) + (i * ((n * 50.0) + ((i * n) * 16.666666666666668)))
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -2.35e-5)
		tmp = Float64(0.0 / Float64(i / n));
	else
		tmp = Float64(Float64(n * 100.0) + Float64(i * Float64(Float64(n * 50.0) + Float64(Float64(i * n) * 16.666666666666668))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -2.35e-5)
		tmp = 0.0 / (i / n);
	else
		tmp = (n * 100.0) + (i * ((n * 50.0) + ((i * n) * 16.666666666666668)));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -2.35e-5], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(N[(n * 100.0), $MachinePrecision] + N[(i * N[(N[(n * 50.0), $MachinePrecision] + N[(N[(i * n), $MachinePrecision] * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -2.34999999999999986e-5

    1. Initial program 58.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg58.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in58.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval58.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval58.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified58.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 21.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative21.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified21.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 31.3%

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

    if -2.34999999999999986e-5 < i

    1. Initial program 18.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 24.4%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define61.7%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified61.7%

      \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    6. Taylor expanded in i around 0 73.4%

      \[\leadsto \color{blue}{100 \cdot n + i \cdot \left(16.666666666666668 \cdot \left(i \cdot n\right) + 50 \cdot n\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification64.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot 100 + i \cdot \left(n \cdot 50 + \left(i \cdot n\right) \cdot 16.666666666666668\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 63.1% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -50000 \lor \neg \left(n \leq 7.5 \cdot 10^{-52}\right):\\ \;\;\;\;100 \cdot \frac{i \cdot n}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -50000.0) (not (<= n 7.5e-52)))
   (* 100.0 (/ (* i n) i))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -50000.0) || !(n <= 7.5e-52)) {
		tmp = 100.0 * ((i * n) / i);
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-50000.0d0)) .or. (.not. (n <= 7.5d-52))) then
        tmp = 100.0d0 * ((i * n) / i)
    else
        tmp = 100.0d0 * (i / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -50000.0) || !(n <= 7.5e-52)) {
		tmp = 100.0 * ((i * n) / i);
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -50000.0) or not (n <= 7.5e-52):
		tmp = 100.0 * ((i * n) / i)
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -50000.0) || !(n <= 7.5e-52))
		tmp = Float64(100.0 * Float64(Float64(i * n) / i));
	else
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -50000.0) || ~((n <= 7.5e-52)))
		tmp = 100.0 * ((i * n) / i);
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -50000.0], N[Not[LessEqual[n, 7.5e-52]], $MachinePrecision]], N[(100.0 * N[(N[(i * n), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -50000 \lor \neg \left(n \leq 7.5 \cdot 10^{-52}\right):\\
\;\;\;\;100 \cdot \frac{i \cdot n}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -5e4 or 7.50000000000000006e-52 < n

    1. Initial program 21.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub21.0%

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

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg21.1%

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

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

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr21.0%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg21.0%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified21.0%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/21.0%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div21.5%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative21.5%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr21.5%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in i around 0 64.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot n}}{i} \]
    10. Step-by-step derivation
      1. *-commutative64.3%

        \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot i}}{i} \]
    11. Simplified64.3%

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

    if -5e4 < n < 7.50000000000000006e-52

    1. Initial program 37.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 57.2%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -50000 \lor \neg \left(n \leq 7.5 \cdot 10^{-52}\right):\\ \;\;\;\;100 \cdot \frac{i \cdot n}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 63.5% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.4 \cdot 10^{+64} \lor \neg \left(n \leq 2.15 \cdot 10^{-54}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -3.4e+64) (not (<= n 2.15e-54)))
   (* n (+ 100.0 (* i 50.0)))
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -3.4e+64) || !(n <= 2.15e-54)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if ((n <= (-3.4d+64)) .or. (.not. (n <= 2.15d-54))) then
        tmp = n * (100.0d0 + (i * 50.0d0))
    else
        tmp = 100.0d0 * (i / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if ((n <= -3.4e+64) || !(n <= 2.15e-54)) {
		tmp = n * (100.0 + (i * 50.0));
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -3.4e+64) or not (n <= 2.15e-54):
		tmp = n * (100.0 + (i * 50.0))
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -3.4e+64) || !(n <= 2.15e-54))
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	else
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if ((n <= -3.4e+64) || ~((n <= 2.15e-54)))
		tmp = n * (100.0 + (i * 50.0));
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -3.4e+64], N[Not[LessEqual[n, 2.15e-54]], $MachinePrecision]], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.4 \cdot 10^{+64} \lor \neg \left(n \leq 2.15 \cdot 10^{-54}\right):\\
\;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -3.4000000000000002e64 or 2.15e-54 < n

    1. Initial program 19.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub19.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num19.6%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg19.6%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv19.6%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num19.5%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr19.5%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg19.5%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified19.5%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/19.5%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div20.0%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative20.0%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr20.0%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in n around inf 46.3%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \left(e^{i} - 1\right)}}{i} \]
    10. Step-by-step derivation
      1. expm1-define96.0%

        \[\leadsto 100 \cdot \frac{n \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    11. Simplified96.0%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    12. Taylor expanded in i around 0 65.4%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    13. Step-by-step derivation
      1. associate-*r*65.4%

        \[\leadsto \color{blue}{\left(50 \cdot i\right) \cdot n} + 100 \cdot n \]
      2. distribute-rgt-out65.4%

        \[\leadsto \color{blue}{n \cdot \left(50 \cdot i + 100\right)} \]
      3. *-commutative65.4%

        \[\leadsto n \cdot \left(\color{blue}{i \cdot 50} + 100\right) \]
      4. +-commutative65.4%

        \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot 50\right)} \]
    14. Simplified65.4%

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

    if -3.4000000000000002e64 < n < 2.15e-54

    1. Initial program 37.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 58.2%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.4 \cdot 10^{+64} \lor \neg \left(n \leq 2.15 \cdot 10^{-54}\right):\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 59.5% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -3.5 \cdot 10^{-50}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 1.05:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -3.5e-50)
   (* 100.0 (/ i (/ i n)))
   (if (<= i 1.05) (* 100.0 (+ n (* i -0.5))) (* (* i n) 50.0))))
double code(double i, double n) {
	double tmp;
	if (i <= -3.5e-50) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 1.05) {
		tmp = 100.0 * (n + (i * -0.5));
	} else {
		tmp = (i * n) * 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 <= (-3.5d-50)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (i <= 1.05d0) then
        tmp = 100.0d0 * (n + (i * (-0.5d0)))
    else
        tmp = (i * n) * 50.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -3.5e-50) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 1.05) {
		tmp = 100.0 * (n + (i * -0.5));
	} else {
		tmp = (i * n) * 50.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -3.5e-50:
		tmp = 100.0 * (i / (i / n))
	elif i <= 1.05:
		tmp = 100.0 * (n + (i * -0.5))
	else:
		tmp = (i * n) * 50.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -3.5e-50)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (i <= 1.05)
		tmp = Float64(100.0 * Float64(n + Float64(i * -0.5)));
	else
		tmp = Float64(Float64(i * n) * 50.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -3.5e-50)
		tmp = 100.0 * (i / (i / n));
	elseif (i <= 1.05)
		tmp = 100.0 * (n + (i * -0.5));
	else
		tmp = (i * n) * 50.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -3.5e-50], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 1.05], N[(100.0 * N[(n + N[(i * -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(i * n), $MachinePrecision] * 50.0), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -3.5 \cdot 10^{-50}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 1.05:\\
\;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -3.49999999999999997e-50

    1. Initial program 49.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 26.9%

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

    if -3.49999999999999997e-50 < i < 1.05000000000000004

    1. Initial program 6.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 87.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r*87.5%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. associate-*r/87.5%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      3. metadata-eval87.5%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    5. Simplified87.5%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    6. Taylor expanded in n around 0 87.5%

      \[\leadsto 100 \cdot \left(n + \color{blue}{-0.5 \cdot i}\right) \]
    7. Step-by-step derivation
      1. *-commutative87.5%

        \[\leadsto 100 \cdot \left(n + \color{blue}{i \cdot -0.5}\right) \]
    8. Simplified87.5%

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

    if 1.05000000000000004 < i

    1. Initial program 49.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 30.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r*30.8%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. associate-*r/30.8%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      3. metadata-eval30.8%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    5. Simplified30.8%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    6. Taylor expanded in n around inf 31.3%

      \[\leadsto \color{blue}{100 \cdot \left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. associate-*r*31.3%

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative31.3%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative31.3%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    8. Simplified31.3%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    9. Taylor expanded in i around inf 31.3%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
    10. Step-by-step derivation
      1. *-commutative31.3%

        \[\leadsto 50 \cdot \color{blue}{\left(n \cdot i\right)} \]
    11. Simplified31.3%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification59.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -3.5 \cdot 10^{-50}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 1.05:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 61.1% accurate, 7.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n + i \cdot \left(n \cdot 0.5 - 0.5\right)\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -2.35e-5) (/ 0.0 (/ i n)) (* 100.0 (+ n (* i (- (* n 0.5) 0.5))))))
double code(double i, double n) {
	double tmp;
	if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = 100.0 * (n + (i * ((n * 0.5) - 0.5)));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-2.35d-5)) then
        tmp = 0.0d0 / (i / n)
    else
        tmp = 100.0d0 * (n + (i * ((n * 0.5d0) - 0.5d0)))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = 100.0 * (n + (i * ((n * 0.5) - 0.5)));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -2.35e-5:
		tmp = 0.0 / (i / n)
	else:
		tmp = 100.0 * (n + (i * ((n * 0.5) - 0.5)))
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -2.35e-5)
		tmp = Float64(0.0 / Float64(i / n));
	else
		tmp = Float64(100.0 * Float64(n + Float64(i * Float64(Float64(n * 0.5) - 0.5))));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -2.35e-5)
		tmp = 0.0 / (i / n);
	else
		tmp = 100.0 * (n + (i * ((n * 0.5) - 0.5)));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -2.35e-5], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(n + N[(i * N[(N[(n * 0.5), $MachinePrecision] - 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -2.34999999999999986e-5

    1. Initial program 58.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg58.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in58.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval58.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval58.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified58.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 21.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative21.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified21.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 31.3%

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

    if -2.34999999999999986e-5 < i

    1. Initial program 18.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub18.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num16.8%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg16.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv16.8%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num18.9%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr18.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg18.9%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified18.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Taylor expanded in i around 0 16.4%

      \[\leadsto 100 \cdot \left(\color{blue}{\frac{n + i \cdot \left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)}{i}} - \frac{n}{i}\right) \]
    8. Step-by-step derivation
      1. associate-*r*16.8%

        \[\leadsto 100 \cdot \left(\frac{n + i \cdot \left(n + \color{blue}{\left(i \cdot n\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right)}{i} - \frac{n}{i}\right) \]
      2. *-commutative16.8%

        \[\leadsto 100 \cdot \left(\frac{n + i \cdot \left(n + \color{blue}{\left(n \cdot i\right)} \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}{i} - \frac{n}{i}\right) \]
      3. associate-*r/16.8%

        \[\leadsto 100 \cdot \left(\frac{n + i \cdot \left(n + \left(n \cdot i\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)}{i} - \frac{n}{i}\right) \]
      4. metadata-eval16.8%

        \[\leadsto 100 \cdot \left(\frac{n + i \cdot \left(n + \left(n \cdot i\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)}{i} - \frac{n}{i}\right) \]
    9. Simplified16.8%

      \[\leadsto 100 \cdot \left(\color{blue}{\frac{n + i \cdot \left(n + \left(n \cdot i\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}{i}} - \frac{n}{i}\right) \]
    10. Taylor expanded in n around 0 12.8%

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

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(0.5 \cdot n - 0.5\right)\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n + i \cdot \left(n \cdot 0.5 - 0.5\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 61.2% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -2.35e-5) (/ 0.0 (/ i n)) (* n (+ 100.0 (* i 50.0)))))
double code(double i, double n) {
	double tmp;
	if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-2.35d-5)) then
        tmp = 0.0d0 / (i / n)
    else
        tmp = n * (100.0d0 + (i * 50.0d0))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -2.35e-5) {
		tmp = 0.0 / (i / n);
	} else {
		tmp = n * (100.0 + (i * 50.0));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -2.35e-5:
		tmp = 0.0 / (i / n)
	else:
		tmp = n * (100.0 + (i * 50.0))
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -2.35e-5)
		tmp = Float64(0.0 / Float64(i / n));
	else
		tmp = Float64(n * Float64(100.0 + Float64(i * 50.0)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -2.35e-5)
		tmp = 0.0 / (i / n);
	else
		tmp = n * (100.0 + (i * 50.0));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -2.35e-5], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -2.34999999999999986e-5

    1. Initial program 58.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/58.8%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg58.8%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in58.7%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval58.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval58.7%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified58.7%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 21.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative21.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified21.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 31.3%

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

    if -2.34999999999999986e-5 < i

    1. Initial program 18.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. div-sub18.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \frac{1}{\frac{i}{n}}\right)} \]
      2. clear-num16.8%

        \[\leadsto 100 \cdot \left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} - \color{blue}{\frac{n}{i}}\right) \]
      3. sub-neg16.8%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n}}{\frac{i}{n}} + \left(-\frac{n}{i}\right)\right)} \]
      4. div-inv16.8%

        \[\leadsto 100 \cdot \left(\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{1}{\frac{i}{n}}} + \left(-\frac{n}{i}\right)\right) \]
      5. clear-num18.9%

        \[\leadsto 100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \color{blue}{\frac{n}{i}} + \left(-\frac{n}{i}\right)\right) \]
    4. Applied egg-rr18.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} + \left(-\frac{n}{i}\right)\right)} \]
    5. Step-by-step derivation
      1. sub-neg18.9%

        \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    6. Simplified18.9%

      \[\leadsto 100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} \cdot \frac{n}{i} - \frac{n}{i}\right)} \]
    7. Step-by-step derivation
      1. associate-*r/18.9%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n}{i}} - \frac{n}{i}\right) \]
      2. sub-div19.3%

        \[\leadsto 100 \cdot \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot n - n}{i}} \]
      3. +-commutative19.3%

        \[\leadsto 100 \cdot \frac{{\color{blue}{\left(\frac{i}{n} + 1\right)}}^{n} \cdot n - n}{i} \]
    8. Applied egg-rr19.3%

      \[\leadsto 100 \cdot \color{blue}{\frac{{\left(\frac{i}{n} + 1\right)}^{n} \cdot n - n}{i}} \]
    9. Taylor expanded in n around inf 24.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \left(e^{i} - 1\right)}}{i} \]
    10. Step-by-step derivation
      1. expm1-define71.4%

        \[\leadsto 100 \cdot \frac{n \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    11. Simplified71.4%

      \[\leadsto 100 \cdot \frac{\color{blue}{n \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    12. Taylor expanded in i around 0 70.0%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    13. Step-by-step derivation
      1. associate-*r*70.0%

        \[\leadsto \color{blue}{\left(50 \cdot i\right) \cdot n} + 100 \cdot n \]
      2. distribute-rgt-out70.0%

        \[\leadsto \color{blue}{n \cdot \left(50 \cdot i + 100\right)} \]
      3. *-commutative70.0%

        \[\leadsto n \cdot \left(\color{blue}{i \cdot 50} + 100\right) \]
      4. +-commutative70.0%

        \[\leadsto n \cdot \color{blue}{\left(100 + i \cdot 50\right)} \]
    14. Simplified70.0%

      \[\leadsto \color{blue}{n \cdot \left(100 + i \cdot 50\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification62.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -2.35 \cdot 10^{-5}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot 50\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 16: 55.6% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 28500000000000:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 28500000000000.0) (* n 100.0) (* (* i n) 50.0)))
double code(double i, double n) {
	double tmp;
	if (i <= 28500000000000.0) {
		tmp = n * 100.0;
	} else {
		tmp = (i * n) * 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 <= 28500000000000.0d0) then
        tmp = n * 100.0d0
    else
        tmp = (i * n) * 50.0d0
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 28500000000000.0) {
		tmp = n * 100.0;
	} else {
		tmp = (i * n) * 50.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 28500000000000.0:
		tmp = n * 100.0
	else:
		tmp = (i * n) * 50.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 28500000000000.0)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(Float64(i * n) * 50.0);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 28500000000000.0)
		tmp = n * 100.0;
	else
		tmp = (i * n) * 50.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 28500000000000.0], N[(n * 100.0), $MachinePrecision], N[(N[(i * n), $MachinePrecision] * 50.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 28500000000000:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 2.85e13

    1. Initial program 21.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 62.6%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative62.6%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified62.6%

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

    if 2.85e13 < i

    1. Initial program 47.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 32.4%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
    4. Step-by-step derivation
      1. associate-*r*32.4%

        \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
      2. associate-*r/32.4%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
      3. metadata-eval32.4%

        \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
    5. Simplified32.4%

      \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
    6. Taylor expanded in n around inf 32.7%

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

        \[\leadsto \color{blue}{\left(100 \cdot n\right) \cdot \left(1 + 0.5 \cdot i\right)} \]
      2. *-commutative32.7%

        \[\leadsto \color{blue}{\left(n \cdot 100\right)} \cdot \left(1 + 0.5 \cdot i\right) \]
      3. *-commutative32.7%

        \[\leadsto \left(n \cdot 100\right) \cdot \left(1 + \color{blue}{i \cdot 0.5}\right) \]
    8. Simplified32.7%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(1 + i \cdot 0.5\right)} \]
    9. Taylor expanded in i around inf 32.7%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
    10. Step-by-step derivation
      1. *-commutative32.7%

        \[\leadsto 50 \cdot \color{blue}{\left(n \cdot i\right)} \]
    11. Simplified32.7%

      \[\leadsto \color{blue}{50 \cdot \left(n \cdot i\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification56.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 28500000000000:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \]
  5. Add Preprocessing

Alternative 17: 2.8% accurate, 38.0× speedup?

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

\\
i \cdot -50
\end{array}
Derivation
  1. Initial program 27.0%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 56.5%

    \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot \left(n \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)\right)} \]
  4. Step-by-step derivation
    1. associate-*r*56.4%

      \[\leadsto 100 \cdot \left(n + \color{blue}{\left(i \cdot n\right) \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)}\right) \]
    2. associate-*r/56.4%

      \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right) \]
    3. metadata-eval56.4%

      \[\leadsto 100 \cdot \left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right) \]
  5. Simplified56.4%

    \[\leadsto 100 \cdot \color{blue}{\left(n + \left(i \cdot n\right) \cdot \left(0.5 - \frac{0.5}{n}\right)\right)} \]
  6. Taylor expanded in n around 0 2.8%

    \[\leadsto \color{blue}{-50 \cdot i} \]
  7. Step-by-step derivation
    1. *-commutative2.8%

      \[\leadsto \color{blue}{i \cdot -50} \]
  8. Simplified2.8%

    \[\leadsto \color{blue}{i \cdot -50} \]
  9. Final simplification2.8%

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

Alternative 18: 50.3% 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 27.0%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 50.8%

    \[\leadsto \color{blue}{100 \cdot n} \]
  4. Step-by-step derivation
    1. *-commutative50.8%

      \[\leadsto \color{blue}{n \cdot 100} \]
  5. Simplified50.8%

    \[\leadsto \color{blue}{n \cdot 100} \]
  6. Final simplification50.8%

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

Developer target: 33.0% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 1 + \frac{i}{n}\\ 100 \cdot \frac{e^{n \cdot \begin{array}{l} \mathbf{if}\;t\_0 = 1:\\ \;\;\;\;\frac{i}{n}\\ \mathbf{else}:\\ \;\;\;\;\frac{\frac{i}{n} \cdot \log t\_0}{\left(\frac{i}{n} + 1\right) - 1}\\ \end{array}} - 1}{\frac{i}{n}} \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (+ 1.0 (/ i n))))
   (*
    100.0
    (/
     (-
      (exp
       (*
        n
        (if (== t_0 1.0)
          (/ i n)
          (/ (* (/ i n) (log t_0)) (- (+ (/ i n) 1.0) 1.0)))))
      1.0)
     (/ i n)))))
double code(double i, double n) {
	double t_0 = 1.0 + (i / n);
	double tmp;
	if (t_0 == 1.0) {
		tmp = i / n;
	} else {
		tmp = ((i / n) * log(t_0)) / (((i / n) + 1.0) - 1.0);
	}
	return 100.0 * ((exp((n * tmp)) - 1.0) / (i / n));
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: t_0
    real(8) :: tmp
    t_0 = 1.0d0 + (i / n)
    if (t_0 == 1.0d0) then
        tmp = i / n
    else
        tmp = ((i / n) * log(t_0)) / (((i / n) + 1.0d0) - 1.0d0)
    end if
    code = 100.0d0 * ((exp((n * tmp)) - 1.0d0) / (i / n))
end function
public static double code(double i, double n) {
	double t_0 = 1.0 + (i / n);
	double tmp;
	if (t_0 == 1.0) {
		tmp = i / n;
	} else {
		tmp = ((i / n) * Math.log(t_0)) / (((i / n) + 1.0) - 1.0);
	}
	return 100.0 * ((Math.exp((n * tmp)) - 1.0) / (i / n));
}
def code(i, n):
	t_0 = 1.0 + (i / n)
	tmp = 0
	if t_0 == 1.0:
		tmp = i / n
	else:
		tmp = ((i / n) * math.log(t_0)) / (((i / n) + 1.0) - 1.0)
	return 100.0 * ((math.exp((n * tmp)) - 1.0) / (i / n))
function code(i, n)
	t_0 = Float64(1.0 + Float64(i / n))
	tmp = 0.0
	if (t_0 == 1.0)
		tmp = Float64(i / n);
	else
		tmp = Float64(Float64(Float64(i / n) * log(t_0)) / Float64(Float64(Float64(i / n) + 1.0) - 1.0));
	end
	return Float64(100.0 * Float64(Float64(exp(Float64(n * tmp)) - 1.0) / Float64(i / n)))
end
function tmp_2 = code(i, n)
	t_0 = 1.0 + (i / n);
	tmp = 0.0;
	if (t_0 == 1.0)
		tmp = i / n;
	else
		tmp = ((i / n) * log(t_0)) / (((i / n) + 1.0) - 1.0);
	end
	tmp_2 = 100.0 * ((exp((n * tmp)) - 1.0) / (i / n));
end
code[i_, n_] := Block[{t$95$0 = N[(1.0 + N[(i / n), $MachinePrecision]), $MachinePrecision]}, N[(100.0 * N[(N[(N[Exp[N[(n * If[Equal[t$95$0, 1.0], N[(i / n), $MachinePrecision], N[(N[(N[(i / n), $MachinePrecision] * N[Log[t$95$0], $MachinePrecision]), $MachinePrecision] / N[(N[(N[(i / n), $MachinePrecision] + 1.0), $MachinePrecision] - 1.0), $MachinePrecision]), $MachinePrecision]]), $MachinePrecision]], $MachinePrecision] - 1.0), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 1 + \frac{i}{n}\\
100 \cdot \frac{e^{n \cdot \begin{array}{l}
\mathbf{if}\;t\_0 = 1:\\
\;\;\;\;\frac{i}{n}\\

\mathbf{else}:\\
\;\;\;\;\frac{\frac{i}{n} \cdot \log t\_0}{\left(\frac{i}{n} + 1\right) - 1}\\


\end{array}} - 1}{\frac{i}{n}}
\end{array}
\end{array}

Reproduce

?
herbie shell --seed 2024077 
(FPCore (i n)
  :name "Compound Interest"
  :precision binary64

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

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