Compound Interest

Percentage Accurate: 28.5% → 97.4%
Time: 16.9s
Alternatives: 16
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 16 alternatives:

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

Initial Program: 28.5% accurate, 1.0× speedup?

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

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

Alternative 1: 97.4% accurate, 0.3× speedup?

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

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

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

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


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

    1. Initial program 28.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Step-by-step derivation
      1. associate-/r/28.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. add-exp-log28.0%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i} \cdot n\right) \]
      3. expm1-define28.0%

        \[\leadsto 100 \cdot \left(\frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i} \cdot n\right) \]
      4. log-pow41.1%

        \[\leadsto 100 \cdot \left(\frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i} \cdot n\right) \]
      5. log1p-define97.3%

        \[\leadsto 100 \cdot \left(\frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i} \cdot n\right) \]
    4. Applied egg-rr97.3%

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

    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 97.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/97.7%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg97.7%

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

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

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

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

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

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

    1. Initial program 0.0%

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval0.0%

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

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

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

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

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

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

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      8. associate-*l*1.9%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      9. add-exp-log1.9%

        \[\leadsto \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i} \cdot \left(n \cdot 100\right) \]
      10. expm1-define1.9%

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

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
      12. log1p-define1.9%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
    6. Applied egg-rr1.9%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i} \cdot \left(n \cdot 100\right)} \]
    7. Step-by-step derivation
      1. *-commutative1.9%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}} \]
      2. clear-num1.9%

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

        \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    8. Applied egg-rr1.9%

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

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}} \]
    10. Step-by-step derivation
      1. sub-neg99.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}} \]
      2. associate-*r/99.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)} \]
      3. metadata-eval99.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)} \]
      4. metadata-eval99.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)} \]
    11. Simplified99.9%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification97.9%

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

Alternative 2: 86.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -0.00185:\\ \;\;\;\;\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}\\ \mathbf{elif}\;n \leq 1.7 \cdot 10^{+38}:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \mathbf{else}:\\ \;\;\;\;\left(n \cdot 100\right) \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{1}{i}\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -0.00185)
   (/ (* n (* 100.0 (expm1 i))) i)
   (if (<= n 1.7e+38)
     (/ (* n 100.0) (+ 1.0 (* i (+ (/ 0.5 n) -0.5))))
     (* (* n 100.0) (* (expm1 i) (/ 1.0 i))))))
double code(double i, double n) {
	double tmp;
	if (n <= -0.00185) {
		tmp = (n * (100.0 * expm1(i))) / i;
	} else if (n <= 1.7e+38) {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	} else {
		tmp = (n * 100.0) * (expm1(i) * (1.0 / i));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= -0.00185) {
		tmp = (n * (100.0 * Math.expm1(i))) / i;
	} else if (n <= 1.7e+38) {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	} else {
		tmp = (n * 100.0) * (Math.expm1(i) * (1.0 / i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -0.00185:
		tmp = (n * (100.0 * math.expm1(i))) / i
	elif n <= 1.7e+38:
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)))
	else:
		tmp = (n * 100.0) * (math.expm1(i) * (1.0 / i))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -0.00185)
		tmp = Float64(Float64(n * Float64(100.0 * expm1(i))) / i);
	elseif (n <= 1.7e+38)
		tmp = Float64(Float64(n * 100.0) / Float64(1.0 + Float64(i * Float64(Float64(0.5 / n) + -0.5))));
	else
		tmp = Float64(Float64(n * 100.0) * Float64(expm1(i) * Float64(1.0 / i)));
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, -0.00185], N[(N[(n * N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision], If[LessEqual[n, 1.7e+38], N[(N[(n * 100.0), $MachinePrecision] / N[(1.0 + N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(n * 100.0), $MachinePrecision] * N[(N[(Exp[i] - 1), $MachinePrecision] * N[(1.0 / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -0.00185:\\
\;\;\;\;\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}\\

\mathbf{elif}\;n \leq 1.7 \cdot 10^{+38}:\\
\;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\

\mathbf{else}:\\
\;\;\;\;\left(n \cdot 100\right) \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{1}{i}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -0.0018500000000000001

    1. Initial program 28.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/28.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*28.5%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative28.5%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/28.5%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg28.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in28.5%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval28.5%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval28.5%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval28.5%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define28.5%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval28.5%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified28.5%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 39.8%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg39.8%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot e^{i} + \left(-100\right)\right)}}{i} \]
      2. metadata-eval39.8%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{-100}\right)}{i} \]
      3. metadata-eval39.8%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in39.8%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot \left(e^{i} + -1\right)\right)}}{i} \]
      5. metadata-eval39.8%

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg39.8%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define92.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified92.3%

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

    if -0.0018500000000000001 < n < 1.69999999999999998e38

    1. Initial program 30.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/30.5%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg30.5%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in30.6%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval30.6%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval30.6%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified30.6%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval30.6%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1 \cdot 100}}{\frac{i}{n}} \]
      2. metadata-eval30.6%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{\left(-1\right)} \cdot 100}{\frac{i}{n}} \]
      3. distribute-rgt-in30.5%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg30.5%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/30.5%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. *-commutative30.5%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      7. associate-/r/30.0%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      8. associate-*l*30.0%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      9. add-exp-log30.0%

        \[\leadsto \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i} \cdot \left(n \cdot 100\right) \]
      10. expm1-define30.0%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i} \cdot \left(n \cdot 100\right) \]
      11. log-pow53.9%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
      12. log1p-define86.7%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
    6. Applied egg-rr86.7%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i} \cdot \left(n \cdot 100\right)} \]
    7. Step-by-step derivation
      1. *-commutative86.7%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}} \]
      2. clear-num86.6%

        \[\leadsto \left(n \cdot 100\right) \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      3. un-div-inv86.7%

        \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    8. Applied egg-rr86.7%

      \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    9. Taylor expanded in i around 0 76.0%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}} \]
    10. Step-by-step derivation
      1. sub-neg76.0%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}} \]
      2. associate-*r/76.0%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)} \]
      3. metadata-eval76.0%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)} \]
      4. metadata-eval76.0%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)} \]
    11. Simplified76.0%

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

    if 1.69999999999999998e38 < n

    1. Initial program 24.2%

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

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

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.8%

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 41.3%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg41.3%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot e^{i} + \left(-100\right)\right)}}{i} \]
      2. metadata-eval41.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{-100}\right)}{i} \]
      3. metadata-eval41.3%

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

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot \left(e^{i} + -1\right)\right)}}{i} \]
      5. metadata-eval41.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg41.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define96.6%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified96.6%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Step-by-step derivation
      1. div-inv96.5%

        \[\leadsto \color{blue}{\left(n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)\right) \cdot \frac{1}{i}} \]
      2. associate-*r*96.7%

        \[\leadsto \color{blue}{\left(\left(n \cdot 100\right) \cdot \mathsf{expm1}\left(i\right)\right)} \cdot \frac{1}{i} \]
      3. associate-*l*96.6%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{1}{i}\right)} \]
    9. Applied egg-rr96.6%

      \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \left(\mathsf{expm1}\left(i\right) \cdot \frac{1}{i}\right)} \]
  3. Recombined 3 regimes into one program.
  4. Add Preprocessing

Alternative 3: 87.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -0.00192 \lor \neg \left(n \leq 0.012\right):\\ \;\;\;\;\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -0.00192) (not (<= n 0.012)))
   (/ (* n (* 100.0 (expm1 i))) i)
   (/ (* n 100.0) (+ 1.0 (* i (+ (/ 0.5 n) -0.5))))))
double code(double i, double n) {
	double tmp;
	if ((n <= -0.00192) || !(n <= 0.012)) {
		tmp = (n * (100.0 * expm1(i))) / i;
	} else {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((n <= -0.00192) || !(n <= 0.012)) {
		tmp = (n * (100.0 * Math.expm1(i))) / i;
	} else {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -0.00192) or not (n <= 0.012):
		tmp = (n * (100.0 * math.expm1(i))) / i
	else:
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -0.00192) || !(n <= 0.012))
		tmp = Float64(Float64(n * Float64(100.0 * expm1(i))) / i);
	else
		tmp = Float64(Float64(n * 100.0) / Float64(1.0 + Float64(i * Float64(Float64(0.5 / n) + -0.5))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[n, -0.00192], N[Not[LessEqual[n, 0.012]], $MachinePrecision]], N[(N[(n * N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision], N[(N[(n * 100.0), $MachinePrecision] / N[(1.0 + N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -0.00192 \lor \neg \left(n \leq 0.012\right):\\
\;\;\;\;\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -0.00192000000000000005 or 0.012 < n

    1. Initial program 25.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/26.3%

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

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

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

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

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

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define26.3%

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

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

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 38.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg38.7%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot e^{i} + \left(-100\right)\right)}}{i} \]
      2. metadata-eval38.7%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{-100}\right)}{i} \]
      3. metadata-eval38.7%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in38.7%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot \left(e^{i} + -1\right)\right)}}{i} \]
      5. metadata-eval38.7%

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg38.7%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define93.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified93.9%

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

    if -0.00192000000000000005 < n < 0.012

    1. Initial program 31.4%

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

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg31.4%

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

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

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

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

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval31.5%

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{\left(-1\right)} \cdot 100}{\frac{i}{n}} \]
      3. distribute-rgt-in31.4%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg31.4%

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

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

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

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      8. associate-*l*30.8%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      9. add-exp-log30.8%

        \[\leadsto \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i} \cdot \left(n \cdot 100\right) \]
      10. expm1-define30.8%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i} \cdot \left(n \cdot 100\right) \]
      11. log-pow57.3%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
      12. log1p-define86.8%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
    6. Applied egg-rr86.8%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i} \cdot \left(n \cdot 100\right)} \]
    7. Step-by-step derivation
      1. *-commutative86.8%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}} \]
      2. clear-num86.7%

        \[\leadsto \left(n \cdot 100\right) \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      3. un-div-inv86.7%

        \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    8. Applied egg-rr86.7%

      \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    9. Taylor expanded in i around 0 75.3%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}} \]
    10. Step-by-step derivation
      1. sub-neg75.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}} \]
      2. associate-*r/75.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)} \]
      3. metadata-eval75.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)} \]
      4. metadata-eval75.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)} \]
    11. Simplified75.3%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -0.00192 \lor \neg \left(n \leq 0.012\right):\\ \;\;\;\;\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 79.9% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -2.2 \cdot 10^{-6} \lor \neg \left(i \leq 2.85 \cdot 10^{-24}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= i -2.2e-6) (not (<= i 2.85e-24)))
   (* 100.0 (/ (expm1 i) (/ i n)))
   (/ (* n 100.0) (+ 1.0 (* i (+ (/ 0.5 n) -0.5))))))
double code(double i, double n) {
	double tmp;
	if ((i <= -2.2e-6) || !(i <= 2.85e-24)) {
		tmp = 100.0 * (expm1(i) / (i / n));
	} else {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if ((i <= -2.2e-6) || !(i <= 2.85e-24)) {
		tmp = 100.0 * (Math.expm1(i) / (i / n));
	} else {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (i <= -2.2e-6) or not (i <= 2.85e-24):
		tmp = 100.0 * (math.expm1(i) / (i / n))
	else:
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((i <= -2.2e-6) || !(i <= 2.85e-24))
		tmp = Float64(100.0 * Float64(expm1(i) / Float64(i / n)));
	else
		tmp = Float64(Float64(n * 100.0) / Float64(1.0 + Float64(i * Float64(Float64(0.5 / n) + -0.5))));
	end
	return tmp
end
code[i_, n_] := If[Or[LessEqual[i, -2.2e-6], N[Not[LessEqual[i, 2.85e-24]], $MachinePrecision]], N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(n * 100.0), $MachinePrecision] / N[(1.0 + N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -2.2 \cdot 10^{-6} \lor \neg \left(i \leq 2.85 \cdot 10^{-24}\right):\\
\;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -2.2000000000000001e-6 or 2.85000000000000001e-24 < i

    1. Initial program 53.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 63.4%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define65.4%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified65.4%

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

    if -2.2000000000000001e-6 < i < 2.85000000000000001e-24

    1. Initial program 7.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/7.5%

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in7.5%

        \[\leadsto \frac{\color{blue}{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \left(-1\right) \cdot 100}}{\frac{i}{n}} \]
      4. metadata-eval7.5%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1} \cdot 100}{\frac{i}{n}} \]
      5. metadata-eval7.5%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified7.5%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval7.5%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-1 \cdot 100}}{\frac{i}{n}} \]
      2. metadata-eval7.5%

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{\left(-1\right)} \cdot 100}{\frac{i}{n}} \]
      3. distribute-rgt-in7.5%

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/7.5%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. *-commutative7.5%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      7. associate-/r/8.0%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      8. associate-*l*8.0%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      9. add-exp-log8.0%

        \[\leadsto \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i} \cdot \left(n \cdot 100\right) \]
      10. expm1-define8.0%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i} \cdot \left(n \cdot 100\right) \]
      11. log-pow20.2%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
      12. log1p-define74.2%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
    6. Applied egg-rr74.2%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i} \cdot \left(n \cdot 100\right)} \]
    7. Step-by-step derivation
      1. *-commutative74.2%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}} \]
      2. clear-num74.2%

        \[\leadsto \left(n \cdot 100\right) \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      3. un-div-inv74.2%

        \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    8. Applied egg-rr74.2%

      \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    9. Taylor expanded in i around 0 89.3%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}} \]
    10. Step-by-step derivation
      1. sub-neg89.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}} \]
      2. associate-*r/89.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)} \]
      3. metadata-eval89.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)} \]
      4. metadata-eval89.3%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)} \]
    11. Simplified89.3%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification78.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -2.2 \cdot 10^{-6} \lor \neg \left(i \leq 2.85 \cdot 10^{-24}\right):\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 68.0% accurate, 3.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{if}\;n \leq -5.9 \cdot 10^{+56}:\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \mathbf{elif}\;n \leq -3.6 \cdot 10^{-160}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq 3.9 \cdot 10^{-209}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;t\_0\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot \left(100 + i \cdot 50\right)\right)}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (* 100.0 (/ i (/ i n)))))
   (if (<= n -5.9e+56)
     (* n (+ 100.0 (* i (+ 50.0 (* i 16.666666666666668)))))
     (if (<= n -3.6e-160)
       t_0
       (if (<= n 3.9e-209)
         (/ 0.0 (/ i n))
         (if (<= n 0.012) t_0 (/ (* n (* i (+ 100.0 (* i 50.0)))) i)))))))
double code(double i, double n) {
	double t_0 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -5.9e+56) {
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	} else if (n <= -3.6e-160) {
		tmp = t_0;
	} else if (n <= 3.9e-209) {
		tmp = 0.0 / (i / n);
	} else if (n <= 0.012) {
		tmp = t_0;
	} else {
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: t_0
    real(8) :: tmp
    t_0 = 100.0d0 * (i / (i / n))
    if (n <= (-5.9d+56)) then
        tmp = n * (100.0d0 + (i * (50.0d0 + (i * 16.666666666666668d0))))
    else if (n <= (-3.6d-160)) then
        tmp = t_0
    else if (n <= 3.9d-209) then
        tmp = 0.0d0 / (i / n)
    else if (n <= 0.012d0) then
        tmp = t_0
    else
        tmp = (n * (i * (100.0d0 + (i * 50.0d0)))) / i
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double t_0 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -5.9e+56) {
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	} else if (n <= -3.6e-160) {
		tmp = t_0;
	} else if (n <= 3.9e-209) {
		tmp = 0.0 / (i / n);
	} else if (n <= 0.012) {
		tmp = t_0;
	} else {
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i;
	}
	return tmp;
}
def code(i, n):
	t_0 = 100.0 * (i / (i / n))
	tmp = 0
	if n <= -5.9e+56:
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))))
	elif n <= -3.6e-160:
		tmp = t_0
	elif n <= 3.9e-209:
		tmp = 0.0 / (i / n)
	elif n <= 0.012:
		tmp = t_0
	else:
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i
	return tmp
function code(i, n)
	t_0 = Float64(100.0 * Float64(i / Float64(i / n)))
	tmp = 0.0
	if (n <= -5.9e+56)
		tmp = Float64(n * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * 16.666666666666668)))));
	elseif (n <= -3.6e-160)
		tmp = t_0;
	elseif (n <= 3.9e-209)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (n <= 0.012)
		tmp = t_0;
	else
		tmp = Float64(Float64(n * Float64(i * Float64(100.0 + Float64(i * 50.0)))) / i);
	end
	return tmp
end
function tmp_2 = code(i, n)
	t_0 = 100.0 * (i / (i / n));
	tmp = 0.0;
	if (n <= -5.9e+56)
		tmp = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	elseif (n <= -3.6e-160)
		tmp = t_0;
	elseif (n <= 3.9e-209)
		tmp = 0.0 / (i / n);
	elseif (n <= 0.012)
		tmp = t_0;
	else
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i;
	end
	tmp_2 = tmp;
end
code[i_, n_] := Block[{t$95$0 = N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -5.9e+56], N[(n * N[(100.0 + N[(i * N[(50.0 + N[(i * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, -3.6e-160], t$95$0, If[LessEqual[n, 3.9e-209], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 0.012], t$95$0, N[(N[(n * N[(i * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 100 \cdot \frac{i}{\frac{i}{n}}\\
\mathbf{if}\;n \leq -5.9 \cdot 10^{+56}:\\
\;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\

\mathbf{elif}\;n \leq -3.6 \cdot 10^{-160}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq 3.9 \cdot 10^{-209}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 0.012:\\
\;\;\;\;t\_0\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -5.9000000000000001e56

    1. Initial program 23.3%

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

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

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

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

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

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

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 43.2%

      \[\leadsto \frac{\color{blue}{e^{i}} \cdot 100 + -100}{\frac{i}{n}} \]
    6. Taylor expanded in i around 0 68.4%

      \[\leadsto \color{blue}{100 \cdot n + i \cdot \left(16.666666666666668 \cdot \left(i \cdot n\right) + 50 \cdot n\right)} \]
    7. Taylor expanded in n around 0 68.4%

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

    if -5.9000000000000001e56 < n < -3.5999999999999997e-160 or 3.9e-209 < n < 0.012

    1. Initial program 20.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 62.0%

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

    if -3.5999999999999997e-160 < n < 3.9e-209

    1. Initial program 63.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/63.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg63.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in63.4%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified63.4%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative69.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 82.3%

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

    if 0.012 < n

    1. Initial program 23.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg24.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in24.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval24.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified24.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 37.5%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg37.5%

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

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

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in37.5%

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

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg37.5%

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

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

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 80.8%

      \[\leadsto \frac{n \cdot \color{blue}{\left(i \cdot \left(100 + 50 \cdot i\right)\right)}}{i} \]
    9. Step-by-step derivation
      1. *-commutative80.8%

        \[\leadsto \frac{n \cdot \left(i \cdot \left(100 + \color{blue}{i \cdot 50}\right)\right)}{i} \]
    10. Simplified80.8%

      \[\leadsto \frac{n \cdot \color{blue}{\left(i \cdot \left(100 + i \cdot 50\right)\right)}}{i} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification71.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -5.9 \cdot 10^{+56}:\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \mathbf{elif}\;n \leq -3.6 \cdot 10^{-160}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 3.9 \cdot 10^{-209}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot \left(100 + i \cdot 50\right)\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 67.4% accurate, 3.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := 100 \cdot \frac{i}{\frac{i}{n}}\\ t_1 := n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \mathbf{if}\;n \leq -5 \cdot 10^{+56}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;n \leq -3.6 \cdot 10^{-160}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq 1.1 \cdot 10^{-205}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;t\_0\\ \mathbf{else}:\\ \;\;\;\;t\_1\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (* 100.0 (/ i (/ i n))))
        (t_1 (* n (+ 100.0 (* i (+ 50.0 (* i 16.666666666666668)))))))
   (if (<= n -5e+56)
     t_1
     (if (<= n -3.6e-160)
       t_0
       (if (<= n 1.1e-205) (/ 0.0 (/ i n)) (if (<= n 0.012) t_0 t_1))))))
double code(double i, double n) {
	double t_0 = 100.0 * (i / (i / n));
	double t_1 = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	double tmp;
	if (n <= -5e+56) {
		tmp = t_1;
	} else if (n <= -3.6e-160) {
		tmp = t_0;
	} else if (n <= 1.1e-205) {
		tmp = 0.0 / (i / n);
	} else if (n <= 0.012) {
		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 = n * (100.0d0 + (i * (50.0d0 + (i * 16.666666666666668d0))))
    if (n <= (-5d+56)) then
        tmp = t_1
    else if (n <= (-3.6d-160)) then
        tmp = t_0
    else if (n <= 1.1d-205) then
        tmp = 0.0d0 / (i / n)
    else if (n <= 0.012d0) 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 = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	double tmp;
	if (n <= -5e+56) {
		tmp = t_1;
	} else if (n <= -3.6e-160) {
		tmp = t_0;
	} else if (n <= 1.1e-205) {
		tmp = 0.0 / (i / n);
	} else if (n <= 0.012) {
		tmp = t_0;
	} else {
		tmp = t_1;
	}
	return tmp;
}
def code(i, n):
	t_0 = 100.0 * (i / (i / n))
	t_1 = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))))
	tmp = 0
	if n <= -5e+56:
		tmp = t_1
	elif n <= -3.6e-160:
		tmp = t_0
	elif n <= 1.1e-205:
		tmp = 0.0 / (i / n)
	elif n <= 0.012:
		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(n * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * 16.666666666666668)))))
	tmp = 0.0
	if (n <= -5e+56)
		tmp = t_1;
	elseif (n <= -3.6e-160)
		tmp = t_0;
	elseif (n <= 1.1e-205)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (n <= 0.012)
		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 = n * (100.0 + (i * (50.0 + (i * 16.666666666666668))));
	tmp = 0.0;
	if (n <= -5e+56)
		tmp = t_1;
	elseif (n <= -3.6e-160)
		tmp = t_0;
	elseif (n <= 1.1e-205)
		tmp = 0.0 / (i / n);
	elseif (n <= 0.012)
		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[(n * N[(100.0 + N[(i * N[(50.0 + N[(i * 16.666666666666668), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -5e+56], t$95$1, If[LessEqual[n, -3.6e-160], t$95$0, If[LessEqual[n, 1.1e-205], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 0.012], t$95$0, t$95$1]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := 100 \cdot \frac{i}{\frac{i}{n}}\\
t_1 := n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\
\mathbf{if}\;n \leq -5 \cdot 10^{+56}:\\
\;\;\;\;t\_1\\

\mathbf{elif}\;n \leq -3.6 \cdot 10^{-160}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq 1.1 \cdot 10^{-205}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 0.012:\\
\;\;\;\;t\_0\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -5.00000000000000024e56 or 0.012 < n

    1. Initial program 23.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/23.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg23.4%

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

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified23.4%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 39.8%

      \[\leadsto \frac{\color{blue}{e^{i}} \cdot 100 + -100}{\frac{i}{n}} \]
    6. Taylor expanded in i around 0 74.2%

      \[\leadsto \color{blue}{100 \cdot n + i \cdot \left(16.666666666666668 \cdot \left(i \cdot n\right) + 50 \cdot n\right)} \]
    7. Taylor expanded in n around 0 74.2%

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

    if -5.00000000000000024e56 < n < -3.5999999999999997e-160 or 1.10000000000000005e-205 < n < 0.012

    1. Initial program 20.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 62.0%

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

    if -3.5999999999999997e-160 < n < 1.10000000000000005e-205

    1. Initial program 63.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/63.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg63.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in63.4%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified63.4%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative69.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 82.3%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification71.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -5 \cdot 10^{+56}:\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \mathbf{elif}\;n \leq -3.6 \cdot 10^{-160}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.1 \cdot 10^{-205}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;n \cdot \left(100 + i \cdot \left(50 + i \cdot 16.666666666666668\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 64.1% accurate, 3.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := n \cdot \left(i \cdot 100\right)\\ t_1 := 100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{if}\;n \leq -2 \cdot 10^{+58}:\\ \;\;\;\;\frac{t\_0}{i}\\ \mathbf{elif}\;n \leq -3.5 \cdot 10^{-160}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;n \leq 5.5 \cdot 10^{-212}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 2.9 \cdot 10^{+38}:\\ \;\;\;\;t\_1\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{i}{t\_0}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (* n (* i 100.0))) (t_1 (* 100.0 (/ i (/ i n)))))
   (if (<= n -2e+58)
     (/ t_0 i)
     (if (<= n -3.5e-160)
       t_1
       (if (<= n 5.5e-212)
         (/ 0.0 (/ i n))
         (if (<= n 2.9e+38) t_1 (/ 1.0 (/ i t_0))))))))
double code(double i, double n) {
	double t_0 = n * (i * 100.0);
	double t_1 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -2e+58) {
		tmp = t_0 / i;
	} else if (n <= -3.5e-160) {
		tmp = t_1;
	} else if (n <= 5.5e-212) {
		tmp = 0.0 / (i / n);
	} else if (n <= 2.9e+38) {
		tmp = t_1;
	} else {
		tmp = 1.0 / (i / 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 = n * (i * 100.0d0)
    t_1 = 100.0d0 * (i / (i / n))
    if (n <= (-2d+58)) then
        tmp = t_0 / i
    else if (n <= (-3.5d-160)) then
        tmp = t_1
    else if (n <= 5.5d-212) then
        tmp = 0.0d0 / (i / n)
    else if (n <= 2.9d+38) then
        tmp = t_1
    else
        tmp = 1.0d0 / (i / t_0)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double t_0 = n * (i * 100.0);
	double t_1 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -2e+58) {
		tmp = t_0 / i;
	} else if (n <= -3.5e-160) {
		tmp = t_1;
	} else if (n <= 5.5e-212) {
		tmp = 0.0 / (i / n);
	} else if (n <= 2.9e+38) {
		tmp = t_1;
	} else {
		tmp = 1.0 / (i / t_0);
	}
	return tmp;
}
def code(i, n):
	t_0 = n * (i * 100.0)
	t_1 = 100.0 * (i / (i / n))
	tmp = 0
	if n <= -2e+58:
		tmp = t_0 / i
	elif n <= -3.5e-160:
		tmp = t_1
	elif n <= 5.5e-212:
		tmp = 0.0 / (i / n)
	elif n <= 2.9e+38:
		tmp = t_1
	else:
		tmp = 1.0 / (i / t_0)
	return tmp
function code(i, n)
	t_0 = Float64(n * Float64(i * 100.0))
	t_1 = Float64(100.0 * Float64(i / Float64(i / n)))
	tmp = 0.0
	if (n <= -2e+58)
		tmp = Float64(t_0 / i);
	elseif (n <= -3.5e-160)
		tmp = t_1;
	elseif (n <= 5.5e-212)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (n <= 2.9e+38)
		tmp = t_1;
	else
		tmp = Float64(1.0 / Float64(i / t_0));
	end
	return tmp
end
function tmp_2 = code(i, n)
	t_0 = n * (i * 100.0);
	t_1 = 100.0 * (i / (i / n));
	tmp = 0.0;
	if (n <= -2e+58)
		tmp = t_0 / i;
	elseif (n <= -3.5e-160)
		tmp = t_1;
	elseif (n <= 5.5e-212)
		tmp = 0.0 / (i / n);
	elseif (n <= 2.9e+38)
		tmp = t_1;
	else
		tmp = 1.0 / (i / t_0);
	end
	tmp_2 = tmp;
end
code[i_, n_] := Block[{t$95$0 = N[(n * N[(i * 100.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -2e+58], N[(t$95$0 / i), $MachinePrecision], If[LessEqual[n, -3.5e-160], t$95$1, If[LessEqual[n, 5.5e-212], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 2.9e+38], t$95$1, N[(1.0 / N[(i / t$95$0), $MachinePrecision]), $MachinePrecision]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := n \cdot \left(i \cdot 100\right)\\
t_1 := 100 \cdot \frac{i}{\frac{i}{n}}\\
\mathbf{if}\;n \leq -2 \cdot 10^{+58}:\\
\;\;\;\;\frac{t\_0}{i}\\

\mathbf{elif}\;n \leq -3.5 \cdot 10^{-160}:\\
\;\;\;\;t\_1\\

\mathbf{elif}\;n \leq 5.5 \cdot 10^{-212}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 2.9 \cdot 10^{+38}:\\
\;\;\;\;t\_1\\

\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{i}{t\_0}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if n < -1.99999999999999989e58

    1. Initial program 23.6%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.2%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.3%

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

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.3%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg24.3%

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

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.3%

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

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

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 44.2%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg44.2%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot e^{i} + \left(-100\right)\right)}}{i} \]
      2. metadata-eval44.2%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{-100}\right)}{i} \]
      3. metadata-eval44.2%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in44.2%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot \left(e^{i} + -1\right)\right)}}{i} \]
      5. metadata-eval44.2%

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg44.2%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define94.5%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified94.5%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 67.4%

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

    if -1.99999999999999989e58 < n < -3.5000000000000003e-160 or 5.49999999999999995e-212 < n < 2.90000000000000007e38

    1. Initial program 20.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 63.9%

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

    if -3.5000000000000003e-160 < n < 5.49999999999999995e-212

    1. Initial program 63.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/63.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg63.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in63.4%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified63.4%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative69.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 82.3%

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

    if 2.90000000000000007e38 < n

    1. Initial program 24.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/24.2%

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

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in24.2%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified24.2%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 3.1%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative3.1%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified3.1%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Step-by-step derivation
      1. clear-num3.1%

        \[\leadsto \color{blue}{\frac{1}{\frac{\frac{i}{n}}{\left(100 + i \cdot 100\right) + -100}}} \]
      2. inv-pow3.1%

        \[\leadsto \color{blue}{{\left(\frac{\frac{i}{n}}{\left(100 + i \cdot 100\right) + -100}\right)}^{-1}} \]
      3. +-commutative3.1%

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

        \[\leadsto {\left(\frac{\frac{i}{n}}{\color{blue}{i \cdot 100 + \left(100 + -100\right)}}\right)}^{-1} \]
      5. metadata-eval33.8%

        \[\leadsto {\left(\frac{\frac{i}{n}}{i \cdot 100 + \color{blue}{0}}\right)}^{-1} \]
    9. Applied egg-rr33.8%

      \[\leadsto \color{blue}{{\left(\frac{\frac{i}{n}}{i \cdot 100 + 0}\right)}^{-1}} \]
    10. Step-by-step derivation
      1. unpow-133.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\frac{i}{n}}{i \cdot 100 + 0}}} \]
      2. associate-/l/75.0%

        \[\leadsto \frac{1}{\color{blue}{\frac{i}{\left(i \cdot 100 + 0\right) \cdot n}}} \]
      3. +-rgt-identity75.0%

        \[\leadsto \frac{1}{\frac{i}{\color{blue}{\left(i \cdot 100\right)} \cdot n}} \]
    11. Simplified75.0%

      \[\leadsto \color{blue}{\frac{1}{\frac{i}{\left(i \cdot 100\right) \cdot n}}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification70.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -2 \cdot 10^{+58}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot 100\right)}{i}\\ \mathbf{elif}\;n \leq -3.5 \cdot 10^{-160}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 5.5 \cdot 10^{-212}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 2.9 \cdot 10^{+38}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{1}{\frac{i}{n \cdot \left(i \cdot 100\right)}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 8: 75.4% accurate, 3.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.7 \cdot 10^{+249}:\\ \;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)\right)}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -3.7e+249)
   (/ (* 100.0 (* i n)) i)
   (if (<= n 0.012)
     (/ (* n 100.0) (+ 1.0 (* i (+ (/ 0.5 n) -0.5))))
     (/
      (*
       n
       (*
        i
        (+
         100.0
         (* i (+ 50.0 (* i (+ 16.666666666666668 (* i 4.166666666666667))))))))
      i))))
double code(double i, double n) {
	double tmp;
	if (n <= -3.7e+249) {
		tmp = (100.0 * (i * n)) / i;
	} else if (n <= 0.012) {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	} else {
		tmp = (n * (i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667)))))))) / i;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-3.7d+249)) then
        tmp = (100.0d0 * (i * n)) / i
    else if (n <= 0.012d0) then
        tmp = (n * 100.0d0) / (1.0d0 + (i * ((0.5d0 / n) + (-0.5d0))))
    else
        tmp = (n * (i * (100.0d0 + (i * (50.0d0 + (i * (16.666666666666668d0 + (i * 4.166666666666667d0)))))))) / i
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -3.7e+249) {
		tmp = (100.0 * (i * n)) / i;
	} else if (n <= 0.012) {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	} else {
		tmp = (n * (i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667)))))))) / i;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -3.7e+249:
		tmp = (100.0 * (i * n)) / i
	elif n <= 0.012:
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)))
	else:
		tmp = (n * (i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667)))))))) / i
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -3.7e+249)
		tmp = Float64(Float64(100.0 * Float64(i * n)) / i);
	elseif (n <= 0.012)
		tmp = Float64(Float64(n * 100.0) / Float64(1.0 + Float64(i * Float64(Float64(0.5 / n) + -0.5))));
	else
		tmp = Float64(Float64(n * Float64(i * Float64(100.0 + Float64(i * Float64(50.0 + Float64(i * Float64(16.666666666666668 + Float64(i * 4.166666666666667)))))))) / i);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -3.7e+249)
		tmp = (100.0 * (i * n)) / i;
	elseif (n <= 0.012)
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	else
		tmp = (n * (i * (100.0 + (i * (50.0 + (i * (16.666666666666668 + (i * 4.166666666666667)))))))) / i;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -3.7e+249], N[(N[(100.0 * N[(i * n), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision], If[LessEqual[n, 0.012], N[(N[(n * 100.0), $MachinePrecision] / N[(1.0 + N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(n * N[(i * N[(100.0 + N[(i * N[(50.0 + N[(i * N[(16.666666666666668 + N[(i * 4.166666666666667), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.7 \cdot 10^{+249}:\\
\;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\

\mathbf{elif}\;n \leq 0.012:\\
\;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -3.6999999999999997e249

    1. Initial program 11.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/12.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*12.6%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative12.6%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/12.6%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg12.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in12.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval12.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval12.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval12.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define12.6%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval12.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified12.6%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 56.3%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg56.3%

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

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

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in56.3%

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

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg56.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define99.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified99.9%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 89.3%

      \[\leadsto \frac{\color{blue}{100 \cdot \left(i \cdot n\right)}}{i} \]
    9. Step-by-step derivation
      1. *-commutative89.3%

        \[\leadsto \frac{100 \cdot \color{blue}{\left(n \cdot i\right)}}{i} \]
    10. Simplified89.3%

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

    if -3.6999999999999997e249 < n < 0.012

    1. Initial program 31.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/31.9%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg31.9%

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

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified32.0%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval32.0%

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{\left(-1\right)} \cdot 100}{\frac{i}{n}} \]
      3. distribute-rgt-in31.9%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg31.9%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/31.9%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. *-commutative31.9%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      7. associate-/r/31.7%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      8. associate-*l*31.7%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      9. add-exp-log31.7%

        \[\leadsto \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i} \cdot \left(n \cdot 100\right) \]
      10. expm1-define31.7%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i} \cdot \left(n \cdot 100\right) \]
      11. log-pow45.6%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
      12. log1p-define81.4%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
    6. Applied egg-rr81.4%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i} \cdot \left(n \cdot 100\right)} \]
    7. Step-by-step derivation
      1. *-commutative81.4%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}} \]
      2. clear-num81.3%

        \[\leadsto \left(n \cdot 100\right) \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      3. un-div-inv81.4%

        \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    8. Applied egg-rr81.4%

      \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    9. Taylor expanded in i around 0 71.9%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}} \]
    10. Step-by-step derivation
      1. sub-neg71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}} \]
      2. associate-*r/71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)} \]
      3. metadata-eval71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)} \]
      4. metadata-eval71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)} \]
    11. Simplified71.9%

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

    if 0.012 < n

    1. Initial program 23.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg24.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in24.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval24.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified24.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 37.5%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg37.5%

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

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

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in37.5%

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

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg37.5%

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

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

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 84.7%

      \[\leadsto \frac{n \cdot \color{blue}{\left(i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + 4.166666666666667 \cdot i\right)\right)\right)\right)}}{i} \]
    9. Step-by-step derivation
      1. *-commutative84.7%

        \[\leadsto \frac{n \cdot \left(i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + \color{blue}{i \cdot 4.166666666666667}\right)\right)\right)\right)}{i} \]
    10. Simplified84.7%

      \[\leadsto \frac{n \cdot \color{blue}{\left(i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)\right)}}{i} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification76.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.7 \cdot 10^{+249}:\\ \;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot \left(100 + i \cdot \left(50 + i \cdot \left(16.666666666666668 + i \cdot 4.166666666666667\right)\right)\right)\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 64.2% accurate, 4.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := \frac{n \cdot \left(i \cdot 100\right)}{i}\\ t_1 := 100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{if}\;n \leq -1.55 \cdot 10^{+59}:\\ \;\;\;\;t\_0\\ \mathbf{elif}\;n \leq -3.5 \cdot 10^{-160}:\\ \;\;\;\;t\_1\\ \mathbf{elif}\;n \leq 1.35 \cdot 10^{-207}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 3.1 \cdot 10^{-22}:\\ \;\;\;\;t\_1\\ \mathbf{else}:\\ \;\;\;\;t\_0\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (let* ((t_0 (/ (* n (* i 100.0)) i)) (t_1 (* 100.0 (/ i (/ i n)))))
   (if (<= n -1.55e+59)
     t_0
     (if (<= n -3.5e-160)
       t_1
       (if (<= n 1.35e-207) (/ 0.0 (/ i n)) (if (<= n 3.1e-22) t_1 t_0))))))
double code(double i, double n) {
	double t_0 = (n * (i * 100.0)) / i;
	double t_1 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -1.55e+59) {
		tmp = t_0;
	} else if (n <= -3.5e-160) {
		tmp = t_1;
	} else if (n <= 1.35e-207) {
		tmp = 0.0 / (i / n);
	} else if (n <= 3.1e-22) {
		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 = (n * (i * 100.0d0)) / i
    t_1 = 100.0d0 * (i / (i / n))
    if (n <= (-1.55d+59)) then
        tmp = t_0
    else if (n <= (-3.5d-160)) then
        tmp = t_1
    else if (n <= 1.35d-207) then
        tmp = 0.0d0 / (i / n)
    else if (n <= 3.1d-22) 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 = (n * (i * 100.0)) / i;
	double t_1 = 100.0 * (i / (i / n));
	double tmp;
	if (n <= -1.55e+59) {
		tmp = t_0;
	} else if (n <= -3.5e-160) {
		tmp = t_1;
	} else if (n <= 1.35e-207) {
		tmp = 0.0 / (i / n);
	} else if (n <= 3.1e-22) {
		tmp = t_1;
	} else {
		tmp = t_0;
	}
	return tmp;
}
def code(i, n):
	t_0 = (n * (i * 100.0)) / i
	t_1 = 100.0 * (i / (i / n))
	tmp = 0
	if n <= -1.55e+59:
		tmp = t_0
	elif n <= -3.5e-160:
		tmp = t_1
	elif n <= 1.35e-207:
		tmp = 0.0 / (i / n)
	elif n <= 3.1e-22:
		tmp = t_1
	else:
		tmp = t_0
	return tmp
function code(i, n)
	t_0 = Float64(Float64(n * Float64(i * 100.0)) / i)
	t_1 = Float64(100.0 * Float64(i / Float64(i / n)))
	tmp = 0.0
	if (n <= -1.55e+59)
		tmp = t_0;
	elseif (n <= -3.5e-160)
		tmp = t_1;
	elseif (n <= 1.35e-207)
		tmp = Float64(0.0 / Float64(i / n));
	elseif (n <= 3.1e-22)
		tmp = t_1;
	else
		tmp = t_0;
	end
	return tmp
end
function tmp_2 = code(i, n)
	t_0 = (n * (i * 100.0)) / i;
	t_1 = 100.0 * (i / (i / n));
	tmp = 0.0;
	if (n <= -1.55e+59)
		tmp = t_0;
	elseif (n <= -3.5e-160)
		tmp = t_1;
	elseif (n <= 1.35e-207)
		tmp = 0.0 / (i / n);
	elseif (n <= 3.1e-22)
		tmp = t_1;
	else
		tmp = t_0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := Block[{t$95$0 = N[(N[(n * N[(i * 100.0), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]}, Block[{t$95$1 = N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[n, -1.55e+59], t$95$0, If[LessEqual[n, -3.5e-160], t$95$1, If[LessEqual[n, 1.35e-207], N[(0.0 / N[(i / n), $MachinePrecision]), $MachinePrecision], If[LessEqual[n, 3.1e-22], t$95$1, t$95$0]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := \frac{n \cdot \left(i \cdot 100\right)}{i}\\
t_1 := 100 \cdot \frac{i}{\frac{i}{n}}\\
\mathbf{if}\;n \leq -1.55 \cdot 10^{+59}:\\
\;\;\;\;t\_0\\

\mathbf{elif}\;n \leq -3.5 \cdot 10^{-160}:\\
\;\;\;\;t\_1\\

\mathbf{elif}\;n \leq 1.35 \cdot 10^{-207}:\\
\;\;\;\;\frac{0}{\frac{i}{n}}\\

\mathbf{elif}\;n \leq 3.1 \cdot 10^{-22}:\\
\;\;\;\;t\_1\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -1.55000000000000007e59 or 3.10000000000000013e-22 < n

    1. Initial program 23.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.2%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.2%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.2%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.2%

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

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

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.2%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified24.2%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 39.9%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg39.9%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot e^{i} + \left(-100\right)\right)}}{i} \]
      2. metadata-eval39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{-100}\right)}{i} \]
      3. metadata-eval39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in39.9%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot \left(e^{i} + -1\right)\right)}}{i} \]
      5. metadata-eval39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define93.7%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified93.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 71.2%

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

    if -1.55000000000000007e59 < n < -3.5000000000000003e-160 or 1.35e-207 < n < 3.10000000000000013e-22

    1. Initial program 20.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 63.6%

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

    if -3.5000000000000003e-160 < n < 1.35e-207

    1. Initial program 63.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/63.4%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg63.4%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      3. distribute-rgt-in63.4%

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified63.4%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Taylor expanded in i around 0 69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + 100 \cdot i\right)} + -100}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-commutative69.5%

        \[\leadsto \frac{\left(100 + \color{blue}{i \cdot 100}\right) + -100}{\frac{i}{n}} \]
    7. Simplified69.5%

      \[\leadsto \frac{\color{blue}{\left(100 + i \cdot 100\right)} + -100}{\frac{i}{n}} \]
    8. Taylor expanded in i around 0 82.3%

      \[\leadsto \frac{\color{blue}{100} + -100}{\frac{i}{n}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification70.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -1.55 \cdot 10^{+59}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot 100\right)}{i}\\ \mathbf{elif}\;n \leq -3.5 \cdot 10^{-160}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 1.35 \cdot 10^{-207}:\\ \;\;\;\;\frac{0}{\frac{i}{n}}\\ \mathbf{elif}\;n \leq 3.1 \cdot 10^{-22}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot 100\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 74.2% accurate, 4.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -3.6 \cdot 10^{+249}:\\ \;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot \left(100 + i \cdot 50\right)\right)}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -3.6e+249)
   (/ (* 100.0 (* i n)) i)
   (if (<= n 0.012)
     (/ (* n 100.0) (+ 1.0 (* i (+ (/ 0.5 n) -0.5))))
     (/ (* n (* i (+ 100.0 (* i 50.0)))) i))))
double code(double i, double n) {
	double tmp;
	if (n <= -3.6e+249) {
		tmp = (100.0 * (i * n)) / i;
	} else if (n <= 0.012) {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	} else {
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i;
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-3.6d+249)) then
        tmp = (100.0d0 * (i * n)) / i
    else if (n <= 0.012d0) then
        tmp = (n * 100.0d0) / (1.0d0 + (i * ((0.5d0 / n) + (-0.5d0))))
    else
        tmp = (n * (i * (100.0d0 + (i * 50.0d0)))) / i
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -3.6e+249) {
		tmp = (100.0 * (i * n)) / i;
	} else if (n <= 0.012) {
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	} else {
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -3.6e+249:
		tmp = (100.0 * (i * n)) / i
	elif n <= 0.012:
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)))
	else:
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -3.6e+249)
		tmp = Float64(Float64(100.0 * Float64(i * n)) / i);
	elseif (n <= 0.012)
		tmp = Float64(Float64(n * 100.0) / Float64(1.0 + Float64(i * Float64(Float64(0.5 / n) + -0.5))));
	else
		tmp = Float64(Float64(n * Float64(i * Float64(100.0 + Float64(i * 50.0)))) / i);
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -3.6e+249)
		tmp = (100.0 * (i * n)) / i;
	elseif (n <= 0.012)
		tmp = (n * 100.0) / (1.0 + (i * ((0.5 / n) + -0.5)));
	else
		tmp = (n * (i * (100.0 + (i * 50.0)))) / i;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -3.6e+249], N[(N[(100.0 * N[(i * n), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision], If[LessEqual[n, 0.012], N[(N[(n * 100.0), $MachinePrecision] / N[(1.0 + N[(i * N[(N[(0.5 / n), $MachinePrecision] + -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(n * N[(i * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -3.6 \cdot 10^{+249}:\\
\;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\

\mathbf{elif}\;n \leq 0.012:\\
\;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if n < -3.5999999999999997e249

    1. Initial program 11.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/12.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*12.6%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative12.6%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/12.6%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg12.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in12.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval12.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval12.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval12.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define12.6%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval12.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified12.6%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 56.3%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg56.3%

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

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

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in56.3%

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

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg56.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define99.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified99.9%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 89.3%

      \[\leadsto \frac{\color{blue}{100 \cdot \left(i \cdot n\right)}}{i} \]
    9. Step-by-step derivation
      1. *-commutative89.3%

        \[\leadsto \frac{100 \cdot \color{blue}{\left(n \cdot i\right)}}{i} \]
    10. Simplified89.3%

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

    if -3.5999999999999997e249 < n < 0.012

    1. Initial program 31.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-*r/31.9%

        \[\leadsto \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{\frac{i}{n}}} \]
      2. sub-neg31.9%

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

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

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{-100}}{\frac{i}{n}} \]
    3. Simplified32.0%

      \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + -100}{\frac{i}{n}}} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. metadata-eval32.0%

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

        \[\leadsto \frac{{\left(1 + \frac{i}{n}\right)}^{n} \cdot 100 + \color{blue}{\left(-1\right)} \cdot 100}{\frac{i}{n}} \]
      3. distribute-rgt-in31.9%

        \[\leadsto \frac{\color{blue}{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{\frac{i}{n}} \]
      4. sub-neg31.9%

        \[\leadsto \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}}{\frac{i}{n}} \]
      5. associate-*r/31.9%

        \[\leadsto \color{blue}{100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}}} \]
      6. *-commutative31.9%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \cdot 100} \]
      7. associate-/r/31.7%

        \[\leadsto \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \cdot 100 \]
      8. associate-*l*31.7%

        \[\leadsto \color{blue}{\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot \left(n \cdot 100\right)} \]
      9. add-exp-log31.7%

        \[\leadsto \frac{\color{blue}{e^{\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)}} - 1}{i} \cdot \left(n \cdot 100\right) \]
      10. expm1-define31.7%

        \[\leadsto \frac{\color{blue}{\mathsf{expm1}\left(\log \left({\left(1 + \frac{i}{n}\right)}^{n}\right)\right)}}{i} \cdot \left(n \cdot 100\right) \]
      11. log-pow45.6%

        \[\leadsto \frac{\mathsf{expm1}\left(\color{blue}{n \cdot \log \left(1 + \frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
      12. log1p-define81.4%

        \[\leadsto \frac{\mathsf{expm1}\left(n \cdot \color{blue}{\mathsf{log1p}\left(\frac{i}{n}\right)}\right)}{i} \cdot \left(n \cdot 100\right) \]
    6. Applied egg-rr81.4%

      \[\leadsto \color{blue}{\frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i} \cdot \left(n \cdot 100\right)} \]
    7. Step-by-step derivation
      1. *-commutative81.4%

        \[\leadsto \color{blue}{\left(n \cdot 100\right) \cdot \frac{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}{i}} \]
      2. clear-num81.3%

        \[\leadsto \left(n \cdot 100\right) \cdot \color{blue}{\frac{1}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
      3. un-div-inv81.4%

        \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    8. Applied egg-rr81.4%

      \[\leadsto \color{blue}{\frac{n \cdot 100}{\frac{i}{\mathsf{expm1}\left(n \cdot \mathsf{log1p}\left(\frac{i}{n}\right)\right)}}} \]
    9. Taylor expanded in i around 0 71.9%

      \[\leadsto \frac{n \cdot 100}{\color{blue}{1 + i \cdot \left(0.5 \cdot \frac{1}{n} - 0.5\right)}} \]
    10. Step-by-step derivation
      1. sub-neg71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \color{blue}{\left(0.5 \cdot \frac{1}{n} + \left(-0.5\right)\right)}} \]
      2. associate-*r/71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\color{blue}{\frac{0.5 \cdot 1}{n}} + \left(-0.5\right)\right)} \]
      3. metadata-eval71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{\color{blue}{0.5}}{n} + \left(-0.5\right)\right)} \]
      4. metadata-eval71.9%

        \[\leadsto \frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + \color{blue}{-0.5}\right)} \]
    11. Simplified71.9%

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

    if 0.012 < n

    1. Initial program 23.5%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.0%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.0%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.0%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.0%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg24.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in24.0%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval24.0%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.0%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval24.0%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified24.0%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 37.5%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg37.5%

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

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

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in37.5%

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

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg37.5%

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

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

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 80.8%

      \[\leadsto \frac{n \cdot \color{blue}{\left(i \cdot \left(100 + 50 \cdot i\right)\right)}}{i} \]
    9. Step-by-step derivation
      1. *-commutative80.8%

        \[\leadsto \frac{n \cdot \left(i \cdot \left(100 + \color{blue}{i \cdot 50}\right)\right)}{i} \]
    10. Simplified80.8%

      \[\leadsto \frac{n \cdot \color{blue}{\left(i \cdot \left(100 + i \cdot 50\right)\right)}}{i} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification75.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -3.6 \cdot 10^{+249}:\\ \;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\ \mathbf{elif}\;n \leq 0.012:\\ \;\;\;\;\frac{n \cdot 100}{1 + i \cdot \left(\frac{0.5}{n} + -0.5\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{n \cdot \left(i \cdot \left(100 + i \cdot 50\right)\right)}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 11: 62.2% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -2.3 \cdot 10^{+58} \lor \neg \left(n \leq 1.5 \cdot 10^{-21}\right):\\ \;\;\;\;\frac{n \cdot \left(i \cdot 100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -2.3e+58) (not (<= n 1.5e-21)))
   (/ (* n (* i 100.0)) i)
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -2.3e+58) || !(n <= 1.5e-21)) {
		tmp = (n * (i * 100.0)) / 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 <= (-2.3d+58)) .or. (.not. (n <= 1.5d-21))) then
        tmp = (n * (i * 100.0d0)) / 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 <= -2.3e+58) || !(n <= 1.5e-21)) {
		tmp = (n * (i * 100.0)) / i;
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -2.3e+58) or not (n <= 1.5e-21):
		tmp = (n * (i * 100.0)) / i
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -2.3e+58) || !(n <= 1.5e-21))
		tmp = Float64(Float64(n * Float64(i * 100.0)) / 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 <= -2.3e+58) || ~((n <= 1.5e-21)))
		tmp = (n * (i * 100.0)) / i;
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[Or[LessEqual[n, -2.3e+58], N[Not[LessEqual[n, 1.5e-21]], $MachinePrecision]], N[(N[(n * N[(i * 100.0), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -2.3 \cdot 10^{+58} \lor \neg \left(n \leq 1.5 \cdot 10^{-21}\right):\\
\;\;\;\;\frac{n \cdot \left(i \cdot 100\right)}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -2.30000000000000002e58 or 1.49999999999999996e-21 < n

    1. Initial program 23.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.2%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.2%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.2%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.2%

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

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

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.2%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified24.2%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 39.9%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg39.9%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot e^{i} + \left(-100\right)\right)}}{i} \]
      2. metadata-eval39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{-100}\right)}{i} \]
      3. metadata-eval39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{100 \cdot -1}\right)}{i} \]
      4. distribute-lft-in39.9%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot \left(e^{i} + -1\right)\right)}}{i} \]
      5. metadata-eval39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg39.9%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define93.7%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified93.7%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 71.2%

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

    if -2.30000000000000002e58 < n < 1.49999999999999996e-21

    1. Initial program 32.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 62.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification67.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -2.3 \cdot 10^{+58} \lor \neg \left(n \leq 1.5 \cdot 10^{-21}\right):\\ \;\;\;\;\frac{n \cdot \left(i \cdot 100\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 12: 62.2% accurate, 6.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -4.9 \cdot 10^{+56} \lor \neg \left(n \leq 50000000000\right):\\ \;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (or (<= n -4.9e+56) (not (<= n 50000000000.0)))
   (/ (* 100.0 (* i n)) i)
   (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if ((n <= -4.9e+56) || !(n <= 50000000000.0)) {
		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 <= (-4.9d+56)) .or. (.not. (n <= 50000000000.0d0))) 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 <= -4.9e+56) || !(n <= 50000000000.0)) {
		tmp = (100.0 * (i * n)) / i;
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if (n <= -4.9e+56) or not (n <= 50000000000.0):
		tmp = (100.0 * (i * n)) / i
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if ((n <= -4.9e+56) || !(n <= 50000000000.0))
		tmp = Float64(Float64(100.0 * 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 <= -4.9e+56) || ~((n <= 50000000000.0)))
		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, -4.9e+56], N[Not[LessEqual[n, 50000000000.0]], $MachinePrecision]], N[(N[(100.0 * N[(i * n), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -4.9 \cdot 10^{+56} \lor \neg \left(n \leq 50000000000\right):\\
\;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -4.9000000000000003e56 or 5e10 < n

    1. Initial program 23.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/24.4%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*24.4%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative24.4%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/24.4%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg24.4%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in24.4%

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

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

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

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define24.4%

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

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified24.4%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 41.3%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot e^{i} - 100\right)}{i}} \]
    6. Step-by-step derivation
      1. sub-neg41.3%

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot e^{i} + \left(-100\right)\right)}}{i} \]
      2. metadata-eval41.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot e^{i} + \color{blue}{-100}\right)}{i} \]
      3. metadata-eval41.3%

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

        \[\leadsto \frac{n \cdot \color{blue}{\left(100 \cdot \left(e^{i} + -1\right)\right)}}{i} \]
      5. metadata-eval41.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)\right)}{i} \]
      6. sub-neg41.3%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\left(e^{i} - 1\right)}\right)}{i} \]
      7. expm1-define95.0%

        \[\leadsto \frac{n \cdot \left(100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}\right)}{i} \]
    7. Simplified95.0%

      \[\leadsto \color{blue}{\frac{n \cdot \left(100 \cdot \mathsf{expm1}\left(i\right)\right)}{i}} \]
    8. Taylor expanded in i around 0 71.6%

      \[\leadsto \frac{\color{blue}{100 \cdot \left(i \cdot n\right)}}{i} \]
    9. Step-by-step derivation
      1. *-commutative71.6%

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

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

    if -4.9000000000000003e56 < n < 5e10

    1. Initial program 32.4%

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

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification66.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -4.9 \cdot 10^{+56} \lor \neg \left(n \leq 50000000000\right):\\ \;\;\;\;\frac{100 \cdot \left(i \cdot n\right)}{i}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 13: 59.1% accurate, 7.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -2 \cdot 10^{+61}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 2:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -2e+61)
   (* 100.0 (/ i (/ i n)))
   (if (<= i 2.0) (* n 100.0) (* (* i n) 50.0))))
double code(double i, double n) {
	double tmp;
	if (i <= -2e+61) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 2.0) {
		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 <= (-2d+61)) then
        tmp = 100.0d0 * (i / (i / n))
    else if (i <= 2.0d0) 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 <= -2e+61) {
		tmp = 100.0 * (i / (i / n));
	} else if (i <= 2.0) {
		tmp = n * 100.0;
	} else {
		tmp = (i * n) * 50.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -2e+61:
		tmp = 100.0 * (i / (i / n))
	elif i <= 2.0:
		tmp = n * 100.0
	else:
		tmp = (i * n) * 50.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -2e+61)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	elseif (i <= 2.0)
		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 <= -2e+61)
		tmp = 100.0 * (i / (i / n));
	elseif (i <= 2.0)
		tmp = n * 100.0;
	else
		tmp = (i * n) * 50.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -2e+61], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[i, 2.0], N[(n * 100.0), $MachinePrecision], N[(N[(i * n), $MachinePrecision] * 50.0), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -2 \cdot 10^{+61}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

\mathbf{elif}\;i \leq 2:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if i < -1.9999999999999999e61

    1. Initial program 75.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 36.2%

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

    if -1.9999999999999999e61 < i < 2

    1. Initial program 10.1%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 77.1%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative77.1%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified77.1%

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

    if 2 < i

    1. Initial program 40.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 39.1%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. associate-*r/39.1%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)}{\frac{i}{n}} \]
      2. metadata-eval39.1%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)}{\frac{i}{n}} \]
    5. Simplified39.1%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}}{\frac{i}{n}} \]
    6. Taylor expanded in n around inf 40.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. *-commutative40.3%

        \[\leadsto 100 \cdot \left(n \cdot \left(1 + \color{blue}{i \cdot 0.5}\right)\right) \]
    8. Simplified40.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n \cdot \left(1 + i \cdot 0.5\right)\right)} \]
    9. Taylor expanded in i around inf 40.3%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -2 \cdot 10^{+61}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{elif}\;i \leq 2:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \]
  5. Add Preprocessing

Alternative 14: 55.7% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 2:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \end{array} \]
(FPCore (i n) :precision binary64 (if (<= i 2.0) (* n 100.0) (* (* i n) 50.0)))
double code(double i, double n) {
	double tmp;
	if (i <= 2.0) {
		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 <= 2.0d0) 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 <= 2.0) {
		tmp = n * 100.0;
	} else {
		tmp = (i * n) * 50.0;
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 2.0:
		tmp = n * 100.0
	else:
		tmp = (i * n) * 50.0
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 2.0)
		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 <= 2.0)
		tmp = n * 100.0;
	else
		tmp = (i * n) * 50.0;
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 2.0], N[(n * 100.0), $MachinePrecision], N[(N[(i * n), $MachinePrecision] * 50.0), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 2:\\
\;\;\;\;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

    1. Initial program 25.3%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 60.3%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative60.3%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified60.3%

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

    if 2 < i

    1. Initial program 40.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 39.1%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. associate-*r/39.1%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)}{\frac{i}{n}} \]
      2. metadata-eval39.1%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)}{\frac{i}{n}} \]
    5. Simplified39.1%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}}{\frac{i}{n}} \]
    6. Taylor expanded in n around inf 40.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n \cdot \left(1 + 0.5 \cdot i\right)\right)} \]
    7. Step-by-step derivation
      1. *-commutative40.3%

        \[\leadsto 100 \cdot \left(n \cdot \left(1 + \color{blue}{i \cdot 0.5}\right)\right) \]
    8. Simplified40.3%

      \[\leadsto 100 \cdot \color{blue}{\left(n \cdot \left(1 + i \cdot 0.5\right)\right)} \]
    9. Taylor expanded in i around inf 40.3%

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 2:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;\left(i \cdot n\right) \cdot 50\\ \end{array} \]
  5. Add Preprocessing

Alternative 15: 50.2% accurate, 38.0× speedup?

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

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

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

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

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

    \[\leadsto \color{blue}{n \cdot 100} \]
  6. Add Preprocessing

Alternative 16: 2.8% accurate, 38.0× speedup?

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

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

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 42.1%

    \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}}{\frac{i}{n}} \]
  4. Step-by-step derivation
    1. associate-*r/42.1%

      \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)}{\frac{i}{n}} \]
    2. metadata-eval42.1%

      \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)}{\frac{i}{n}} \]
  5. Simplified42.1%

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

Developer target: 34.3% 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 2024106 
(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))))