Compound Interest

Percentage Accurate: 29.6% → 74.3%
Time: 24.5s
Alternatives: 13
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 13 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: 29.6% 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: 74.3% accurate, 1.1× speedup?

\[\begin{array}{l} \\ n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i} \end{array} \]
(FPCore (i n) :precision binary64 (* n (/ (* 100.0 (expm1 i)) i)))
double code(double i, double n) {
	return n * ((100.0 * expm1(i)) / i);
}
public static double code(double i, double n) {
	return n * ((100.0 * Math.expm1(i)) / i);
}
def code(i, n):
	return n * ((100.0 * math.expm1(i)) / i)
function code(i, n)
	return Float64(n * Float64(Float64(100.0 * expm1(i)) / i))
end
code[i_, n_] := N[(n * N[(N[(100.0 * N[(Exp[i] - 1), $MachinePrecision]), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i}
\end{array}
Derivation
  1. Initial program 32.7%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Step-by-step derivation
    1. associate-/r/32.8%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
    2. associate-*r*32.8%

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

      \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
    4. associate-*r/32.8%

      \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
    5. sub-neg32.8%

      \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
    6. distribute-lft-in32.8%

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

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

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

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

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

      \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
  3. Simplified32.8%

    \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
  4. Add Preprocessing
  5. Taylor expanded in n around inf 34.9%

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
  6. Step-by-step derivation
    1. sub-neg34.9%

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

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
    3. metadata-eval34.9%

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
    4. distribute-lft-in35.0%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
    5. metadata-eval35.0%

      \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
    6. sub-neg35.0%

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

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

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
  8. Final simplification71.4%

    \[\leadsto n \cdot \frac{100 \cdot \mathsf{expm1}\left(i\right)}{i} \]
  9. Add Preprocessing

Alternative 2: 65.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq 0.13:\\ \;\;\;\;\frac{n}{0.01 + i \cdot \left(i \cdot 0.0008333333333333334 - 0.005\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n 0.13)
   (/ n (+ 0.01 (* i (- (* i 0.0008333333333333334) 0.005))))
   (* 100.0 (/ (expm1 i) (/ i n)))))
double code(double i, double n) {
	double tmp;
	if (n <= 0.13) {
		tmp = n / (0.01 + (i * ((i * 0.0008333333333333334) - 0.005)));
	} else {
		tmp = 100.0 * (expm1(i) / (i / n));
	}
	return tmp;
}
public static double code(double i, double n) {
	double tmp;
	if (n <= 0.13) {
		tmp = n / (0.01 + (i * ((i * 0.0008333333333333334) - 0.005)));
	} else {
		tmp = 100.0 * (Math.expm1(i) / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= 0.13:
		tmp = n / (0.01 + (i * ((i * 0.0008333333333333334) - 0.005)))
	else:
		tmp = 100.0 * (math.expm1(i) / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= 0.13)
		tmp = Float64(n / Float64(0.01 + Float64(i * Float64(Float64(i * 0.0008333333333333334) - 0.005))));
	else
		tmp = Float64(100.0 * Float64(expm1(i) / Float64(i / n)));
	end
	return tmp
end
code[i_, n_] := If[LessEqual[n, 0.13], N[(n / N[(0.01 + N[(i * N[(N[(i * 0.0008333333333333334), $MachinePrecision] - 0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(N[(Exp[i] - 1), $MachinePrecision] / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq 0.13:\\
\;\;\;\;\frac{n}{0.01 + i \cdot \left(i \cdot 0.0008333333333333334 - 0.005\right)}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < 0.13

    1. Initial program 32.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/32.6%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*32.6%

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

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/32.6%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg32.6%

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

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval32.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval32.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval32.6%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define32.6%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval32.6%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified32.6%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 31.6%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg31.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval31.6%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval31.6%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in31.6%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval31.6%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg31.6%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define65.0%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified65.0%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Step-by-step derivation
      1. clear-num65.1%

        \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{100 \cdot \mathsf{expm1}\left(i\right)}}} \]
      2. un-div-inv65.0%

        \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot \mathsf{expm1}\left(i\right)}}} \]
      3. *-un-lft-identity65.0%

        \[\leadsto \frac{n}{\frac{\color{blue}{1 \cdot i}}{100 \cdot \mathsf{expm1}\left(i\right)}} \]
      4. times-frac65.0%

        \[\leadsto \frac{n}{\color{blue}{\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(i\right)}}} \]
      5. metadata-eval65.0%

        \[\leadsto \frac{n}{\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(i\right)}} \]
    9. Applied egg-rr65.0%

      \[\leadsto \color{blue}{\frac{n}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(i\right)}}} \]
    10. Step-by-step derivation
      1. associate-*r/64.9%

        \[\leadsto \frac{n}{\color{blue}{\frac{0.01 \cdot i}{\mathsf{expm1}\left(i\right)}}} \]
    11. Simplified64.9%

      \[\leadsto \color{blue}{\frac{n}{\frac{0.01 \cdot i}{\mathsf{expm1}\left(i\right)}}} \]
    12. Taylor expanded in i around 0 65.8%

      \[\leadsto \frac{n}{\color{blue}{0.01 + i \cdot \left(0.0008333333333333334 \cdot i - 0.005\right)}} \]

    if 0.13 < n

    1. Initial program 32.9%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in n around inf 42.9%

      \[\leadsto 100 \cdot \frac{\color{blue}{e^{i} - 1}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. expm1-define62.9%

        \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
    5. Simplified62.9%

      \[\leadsto 100 \cdot \frac{\color{blue}{\mathsf{expm1}\left(i\right)}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification65.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq 0.13:\\ \;\;\;\;\frac{n}{0.01 + i \cdot \left(i \cdot 0.0008333333333333334 - 0.005\right)}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{\mathsf{expm1}\left(i\right)}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 51.5% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq -9.5 \cdot 10^{-105}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n -9.5e-105) (* n 100.0) (* 100.0 (* i (/ n i)))))
double code(double i, double n) {
	double tmp;
	if (n <= -9.5e-105) {
		tmp = n * 100.0;
	} else {
		tmp = 100.0 * (i * (n / i));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= (-9.5d-105)) then
        tmp = n * 100.0d0
    else
        tmp = 100.0d0 * (i * (n / i))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= -9.5e-105) {
		tmp = n * 100.0;
	} else {
		tmp = 100.0 * (i * (n / i));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= -9.5e-105:
		tmp = n * 100.0
	else:
		tmp = 100.0 * (i * (n / i))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= -9.5e-105)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(100.0 * Float64(i * Float64(n / i)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= -9.5e-105)
		tmp = n * 100.0;
	else
		tmp = 100.0 * (i * (n / i));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, -9.5e-105], N[(n * 100.0), $MachinePrecision], N[(100.0 * N[(i * N[(n / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq -9.5 \cdot 10^{-105}:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < -9.5000000000000002e-105

    1. Initial program 25.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 55.2%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative55.2%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified55.2%

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

    if -9.5000000000000002e-105 < n

    1. Initial program 37.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 32.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(1 + i\right)} - 1}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. +-commutative32.5%

        \[\leadsto 100 \cdot \frac{\color{blue}{\left(i + 1\right)} - 1}{\frac{i}{n}} \]
    5. Simplified32.5%

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(i + 1\right)} - 1}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. div-inv32.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\left(\left(i + 1\right) - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \]
      2. associate--l+48.9%

        \[\leadsto 100 \cdot \left(\color{blue}{\left(i + \left(1 - 1\right)\right)} \cdot \frac{1}{\frac{i}{n}}\right) \]
      3. metadata-eval48.9%

        \[\leadsto 100 \cdot \left(\left(i + \color{blue}{0}\right) \cdot \frac{1}{\frac{i}{n}}\right) \]
      4. +-rgt-identity48.9%

        \[\leadsto 100 \cdot \left(\color{blue}{i} \cdot \frac{1}{\frac{i}{n}}\right) \]
      5. clear-num47.8%

        \[\leadsto 100 \cdot \left(i \cdot \color{blue}{\frac{n}{i}}\right) \]
    7. Applied egg-rr47.8%

      \[\leadsto 100 \cdot \color{blue}{\left(i \cdot \frac{n}{i}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification50.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq -9.5 \cdot 10^{-105}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 51.8% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;n \leq 1.55 \cdot 10^{+52}:\\ \;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= n 1.55e+52) (* 100.0 (* i (/ n i))) (* 100.0 (+ n (* i -0.5)))))
double code(double i, double n) {
	double tmp;
	if (n <= 1.55e+52) {
		tmp = 100.0 * (i * (n / i));
	} else {
		tmp = 100.0 * (n + (i * -0.5));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (n <= 1.55d+52) then
        tmp = 100.0d0 * (i * (n / i))
    else
        tmp = 100.0d0 * (n + (i * (-0.5d0)))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (n <= 1.55e+52) {
		tmp = 100.0 * (i * (n / i));
	} else {
		tmp = 100.0 * (n + (i * -0.5));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if n <= 1.55e+52:
		tmp = 100.0 * (i * (n / i))
	else:
		tmp = 100.0 * (n + (i * -0.5))
	return tmp
function code(i, n)
	tmp = 0.0
	if (n <= 1.55e+52)
		tmp = Float64(100.0 * Float64(i * Float64(n / i)));
	else
		tmp = Float64(100.0 * Float64(n + Float64(i * -0.5)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (n <= 1.55e+52)
		tmp = 100.0 * (i * (n / i));
	else
		tmp = 100.0 * (n + (i * -0.5));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[n, 1.55e+52], N[(100.0 * N[(i * N[(n / i), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(n + N[(i * -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;n \leq 1.55 \cdot 10^{+52}:\\
\;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if n < 1.55e52

    1. Initial program 35.6%

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

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(1 + i\right)} - 1}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. +-commutative26.9%

        \[\leadsto 100 \cdot \frac{\color{blue}{\left(i + 1\right)} - 1}{\frac{i}{n}} \]
    5. Simplified26.9%

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(i + 1\right)} - 1}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. div-inv26.9%

        \[\leadsto 100 \cdot \color{blue}{\left(\left(\left(i + 1\right) - 1\right) \cdot \frac{1}{\frac{i}{n}}\right)} \]
      2. associate--l+53.2%

        \[\leadsto 100 \cdot \left(\color{blue}{\left(i + \left(1 - 1\right)\right)} \cdot \frac{1}{\frac{i}{n}}\right) \]
      3. metadata-eval53.2%

        \[\leadsto 100 \cdot \left(\left(i + \color{blue}{0}\right) \cdot \frac{1}{\frac{i}{n}}\right) \]
      4. +-rgt-identity53.2%

        \[\leadsto 100 \cdot \left(\color{blue}{i} \cdot \frac{1}{\frac{i}{n}}\right) \]
      5. clear-num52.3%

        \[\leadsto 100 \cdot \left(i \cdot \color{blue}{\frac{n}{i}}\right) \]
    7. Applied egg-rr52.3%

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

    if 1.55e52 < n

    1. Initial program 22.4%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 47.4%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. associate-*r/47.4%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)}{\frac{i}{n}} \]
      2. metadata-eval47.4%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)}{\frac{i}{n}} \]
    5. Simplified47.4%

      \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - \frac{0.5}{n}\right)\right)}}{\frac{i}{n}} \]
    6. Taylor expanded in n around 0 20.4%

      \[\leadsto 100 \cdot \frac{i \cdot \left(1 + \color{blue}{-0.5 \cdot \frac{i}{n}}\right)}{\frac{i}{n}} \]
    7. Step-by-step derivation
      1. associate-*r/20.4%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + \color{blue}{\frac{-0.5 \cdot i}{n}}\right)}{\frac{i}{n}} \]
      2. associate-*l/20.4%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + \color{blue}{\frac{-0.5}{n} \cdot i}\right)}{\frac{i}{n}} \]
      3. *-commutative20.4%

        \[\leadsto 100 \cdot \frac{i \cdot \left(1 + \color{blue}{i \cdot \frac{-0.5}{n}}\right)}{\frac{i}{n}} \]
    8. Simplified20.4%

      \[\leadsto 100 \cdot \frac{i \cdot \left(1 + \color{blue}{i \cdot \frac{-0.5}{n}}\right)}{\frac{i}{n}} \]
    9. Taylor expanded in i around 0 52.1%

      \[\leadsto 100 \cdot \color{blue}{\left(n + -0.5 \cdot i\right)} \]
    10. Step-by-step derivation
      1. *-commutative52.1%

        \[\leadsto 100 \cdot \left(n + \color{blue}{i \cdot -0.5}\right) \]
    11. Simplified52.1%

      \[\leadsto 100 \cdot \color{blue}{\left(n + i \cdot -0.5\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification52.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;n \leq 1.55 \cdot 10^{+52}:\\ \;\;\;\;100 \cdot \left(i \cdot \frac{n}{i}\right)\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \left(n + i \cdot -0.5\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 52.9% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 6 \cdot 10^{-29}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 6e-29) (* n 100.0) (* 100.0 (/ i (/ i n)))))
double code(double i, double n) {
	double tmp;
	if (i <= 6e-29) {
		tmp = n * 100.0;
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 6d-29) then
        tmp = n * 100.0d0
    else
        tmp = 100.0d0 * (i / (i / n))
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 6e-29) {
		tmp = n * 100.0;
	} else {
		tmp = 100.0 * (i / (i / n));
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 6e-29:
		tmp = n * 100.0
	else:
		tmp = 100.0 * (i / (i / n))
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 6e-29)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 6e-29)
		tmp = n * 100.0;
	else
		tmp = 100.0 * (i / (i / n));
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 6e-29], N[(n * 100.0), $MachinePrecision], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 6 \cdot 10^{-29}:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 6.0000000000000005e-29

    1. Initial program 27.7%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 58.3%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative58.3%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified58.3%

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

    if 6.0000000000000005e-29 < i

    1. Initial program 46.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 34.0%

      \[\leadsto 100 \cdot \frac{\color{blue}{i}}{\frac{i}{n}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification51.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 6 \cdot 10^{-29}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 53.9% accurate, 9.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq -8.2 \cdot 10^{-46}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot i}{i}\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i -8.2e-46) (* 100.0 (/ i (/ i n))) (* 100.0 (/ (* n i) i))))
double code(double i, double n) {
	double tmp;
	if (i <= -8.2e-46) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = 100.0 * ((n * i) / i);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= (-8.2d-46)) then
        tmp = 100.0d0 * (i / (i / n))
    else
        tmp = 100.0d0 * ((n * i) / i)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= -8.2e-46) {
		tmp = 100.0 * (i / (i / n));
	} else {
		tmp = 100.0 * ((n * i) / i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= -8.2e-46:
		tmp = 100.0 * (i / (i / n))
	else:
		tmp = 100.0 * ((n * i) / i)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= -8.2e-46)
		tmp = Float64(100.0 * Float64(i / Float64(i / n)));
	else
		tmp = Float64(100.0 * Float64(Float64(n * i) / i));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= -8.2e-46)
		tmp = 100.0 * (i / (i / n));
	else
		tmp = 100.0 * ((n * i) / i);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, -8.2e-46], N[(100.0 * N[(i / N[(i / n), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(100.0 * N[(N[(n * i), $MachinePrecision] / i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq -8.2 \cdot 10^{-46}:\\
\;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < -8.1999999999999998e-46

    1. Initial program 60.2%

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

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

    if -8.1999999999999998e-46 < i

    1. Initial program 22.2%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 17.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(1 + i\right)} - 1}{\frac{i}{n}} \]
    4. Step-by-step derivation
      1. +-commutative17.8%

        \[\leadsto 100 \cdot \frac{\color{blue}{\left(i + 1\right)} - 1}{\frac{i}{n}} \]
    5. Simplified17.8%

      \[\leadsto 100 \cdot \frac{\color{blue}{\left(i + 1\right)} - 1}{\frac{i}{n}} \]
    6. Step-by-step derivation
      1. *-un-lft-identity17.8%

        \[\leadsto 100 \cdot \frac{\color{blue}{1 \cdot \left(\left(i + 1\right) - 1\right)}}{\frac{i}{n}} \]
      2. div-inv17.8%

        \[\leadsto 100 \cdot \frac{1 \cdot \left(\left(i + 1\right) - 1\right)}{\color{blue}{i \cdot \frac{1}{n}}} \]
      3. times-frac18.1%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{1}{i} \cdot \frac{\left(i + 1\right) - 1}{\frac{1}{n}}\right)} \]
      4. associate--l+63.0%

        \[\leadsto 100 \cdot \left(\frac{1}{i} \cdot \frac{\color{blue}{i + \left(1 - 1\right)}}{\frac{1}{n}}\right) \]
      5. metadata-eval63.0%

        \[\leadsto 100 \cdot \left(\frac{1}{i} \cdot \frac{i + \color{blue}{0}}{\frac{1}{n}}\right) \]
      6. +-rgt-identity63.0%

        \[\leadsto 100 \cdot \left(\frac{1}{i} \cdot \frac{\color{blue}{i}}{\frac{1}{n}}\right) \]
    7. Applied egg-rr63.0%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{1}{i} \cdot \frac{i}{\frac{1}{n}}\right)} \]
    8. Step-by-step derivation
      1. frac-times52.0%

        \[\leadsto 100 \cdot \color{blue}{\frac{1 \cdot i}{i \cdot \frac{1}{n}}} \]
      2. div-inv52.1%

        \[\leadsto 100 \cdot \frac{1 \cdot i}{\color{blue}{\frac{i}{n}}} \]
      3. associate-*l/51.5%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{1}{\frac{i}{n}} \cdot i\right)} \]
      4. clear-num51.0%

        \[\leadsto 100 \cdot \left(\color{blue}{\frac{n}{i}} \cdot i\right) \]
      5. associate-*l/63.2%

        \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot i}{i}} \]
    9. Applied egg-rr63.2%

      \[\leadsto 100 \cdot \color{blue}{\frac{n \cdot i}{i}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification54.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq -8.2 \cdot 10^{-46}:\\ \;\;\;\;100 \cdot \frac{i}{\frac{i}{n}}\\ \mathbf{else}:\\ \;\;\;\;100 \cdot \frac{n \cdot i}{i}\\ \end{array} \]
  5. Add Preprocessing

Alternative 7: 61.7% accurate, 10.4× speedup?

\[\begin{array}{l} \\ \frac{n}{0.01 + i \cdot \left(i \cdot 0.0008333333333333334 - 0.005\right)} \end{array} \]
(FPCore (i n)
 :precision binary64
 (/ n (+ 0.01 (* i (- (* i 0.0008333333333333334) 0.005)))))
double code(double i, double n) {
	return n / (0.01 + (i * ((i * 0.0008333333333333334) - 0.005)));
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = n / (0.01d0 + (i * ((i * 0.0008333333333333334d0) - 0.005d0)))
end function
public static double code(double i, double n) {
	return n / (0.01 + (i * ((i * 0.0008333333333333334) - 0.005)));
}
def code(i, n):
	return n / (0.01 + (i * ((i * 0.0008333333333333334) - 0.005)))
function code(i, n)
	return Float64(n / Float64(0.01 + Float64(i * Float64(Float64(i * 0.0008333333333333334) - 0.005))))
end
function tmp = code(i, n)
	tmp = n / (0.01 + (i * ((i * 0.0008333333333333334) - 0.005)));
end
code[i_, n_] := N[(n / N[(0.01 + N[(i * N[(N[(i * 0.0008333333333333334), $MachinePrecision] - 0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{n}{0.01 + i \cdot \left(i \cdot 0.0008333333333333334 - 0.005\right)}
\end{array}
Derivation
  1. Initial program 32.7%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Step-by-step derivation
    1. associate-/r/32.8%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
    2. associate-*r*32.8%

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

      \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
    4. associate-*r/32.8%

      \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
    5. sub-neg32.8%

      \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
    6. distribute-lft-in32.8%

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

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

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

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

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

      \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
  3. Simplified32.8%

    \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
  4. Add Preprocessing
  5. Taylor expanded in n around inf 34.9%

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
  6. Step-by-step derivation
    1. sub-neg34.9%

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

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
    3. metadata-eval34.9%

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
    4. distribute-lft-in35.0%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
    5. metadata-eval35.0%

      \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
    6. sub-neg35.0%

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

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

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
  8. Step-by-step derivation
    1. clear-num71.4%

      \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{100 \cdot \mathsf{expm1}\left(i\right)}}} \]
    2. un-div-inv71.3%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot \mathsf{expm1}\left(i\right)}}} \]
    3. *-un-lft-identity71.3%

      \[\leadsto \frac{n}{\frac{\color{blue}{1 \cdot i}}{100 \cdot \mathsf{expm1}\left(i\right)}} \]
    4. times-frac71.3%

      \[\leadsto \frac{n}{\color{blue}{\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(i\right)}}} \]
    5. metadata-eval71.3%

      \[\leadsto \frac{n}{\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(i\right)}} \]
  9. Applied egg-rr71.3%

    \[\leadsto \color{blue}{\frac{n}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(i\right)}}} \]
  10. Step-by-step derivation
    1. associate-*r/71.2%

      \[\leadsto \frac{n}{\color{blue}{\frac{0.01 \cdot i}{\mathsf{expm1}\left(i\right)}}} \]
  11. Simplified71.2%

    \[\leadsto \color{blue}{\frac{n}{\frac{0.01 \cdot i}{\mathsf{expm1}\left(i\right)}}} \]
  12. Taylor expanded in i around 0 60.6%

    \[\leadsto \frac{n}{\color{blue}{0.01 + i \cdot \left(0.0008333333333333334 \cdot i - 0.005\right)}} \]
  13. Final simplification60.6%

    \[\leadsto \frac{n}{0.01 + i \cdot \left(i \cdot 0.0008333333333333334 - 0.005\right)} \]
  14. Add Preprocessing

Alternative 8: 51.8% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 1.56 \cdot 10^{+29}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(n \cdot i\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 1.56e+29) (* n 100.0) (* 50.0 (* n i))))
double code(double i, double n) {
	double tmp;
	if (i <= 1.56e+29) {
		tmp = n * 100.0;
	} else {
		tmp = 50.0 * (n * i);
	}
	return tmp;
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    real(8) :: tmp
    if (i <= 1.56d+29) then
        tmp = n * 100.0d0
    else
        tmp = 50.0d0 * (n * i)
    end if
    code = tmp
end function
public static double code(double i, double n) {
	double tmp;
	if (i <= 1.56e+29) {
		tmp = n * 100.0;
	} else {
		tmp = 50.0 * (n * i);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 1.56e+29:
		tmp = n * 100.0
	else:
		tmp = 50.0 * (n * i)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 1.56e+29)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(50.0 * Float64(n * i));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 1.56e+29)
		tmp = n * 100.0;
	else
		tmp = 50.0 * (n * i);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 1.56e+29], N[(n * 100.0), $MachinePrecision], N[(50.0 * N[(n * i), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 1.56 \cdot 10^{+29}:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 1.5599999999999999e29

    1. Initial program 28.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 56.9%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative56.9%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified56.9%

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

    if 1.5599999999999999e29 < i

    1. Initial program 45.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/45.3%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*45.3%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative45.3%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/45.3%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg45.3%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in45.3%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval45.3%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval45.3%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval45.3%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define45.3%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval45.3%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified45.3%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 47.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg47.5%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval47.5%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval47.5%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in47.5%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval47.5%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg47.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define47.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified47.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 34.7%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    9. Taylor expanded in i around inf 34.7%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification51.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 1.56 \cdot 10^{+29}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;50 \cdot \left(n \cdot i\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 9: 51.8% accurate, 11.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;i \leq 1.56 \cdot 10^{+29}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;i \cdot \left(n \cdot 50\right)\\ \end{array} \end{array} \]
(FPCore (i n)
 :precision binary64
 (if (<= i 1.56e+29) (* n 100.0) (* i (* n 50.0))))
double code(double i, double n) {
	double tmp;
	if (i <= 1.56e+29) {
		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 <= 1.56d+29) 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 <= 1.56e+29) {
		tmp = n * 100.0;
	} else {
		tmp = i * (n * 50.0);
	}
	return tmp;
}
def code(i, n):
	tmp = 0
	if i <= 1.56e+29:
		tmp = n * 100.0
	else:
		tmp = i * (n * 50.0)
	return tmp
function code(i, n)
	tmp = 0.0
	if (i <= 1.56e+29)
		tmp = Float64(n * 100.0);
	else
		tmp = Float64(i * Float64(n * 50.0));
	end
	return tmp
end
function tmp_2 = code(i, n)
	tmp = 0.0;
	if (i <= 1.56e+29)
		tmp = n * 100.0;
	else
		tmp = i * (n * 50.0);
	end
	tmp_2 = tmp;
end
code[i_, n_] := If[LessEqual[i, 1.56e+29], N[(n * 100.0), $MachinePrecision], N[(i * N[(n * 50.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;i \leq 1.56 \cdot 10^{+29}:\\
\;\;\;\;n \cdot 100\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if i < 1.5599999999999999e29

    1. Initial program 28.8%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Add Preprocessing
    3. Taylor expanded in i around 0 56.9%

      \[\leadsto \color{blue}{100 \cdot n} \]
    4. Step-by-step derivation
      1. *-commutative56.9%

        \[\leadsto \color{blue}{n \cdot 100} \]
    5. Simplified56.9%

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

    if 1.5599999999999999e29 < i

    1. Initial program 45.0%

      \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
    2. Step-by-step derivation
      1. associate-/r/45.3%

        \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
      2. associate-*r*45.3%

        \[\leadsto \color{blue}{\left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right) \cdot n} \]
      3. *-commutative45.3%

        \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
      4. associate-*r/45.3%

        \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
      5. sub-neg45.3%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
      6. distribute-lft-in45.3%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \left(-1\right)}}{i} \]
      7. metadata-eval45.3%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + 100 \cdot \color{blue}{-1}}{i} \]
      8. metadata-eval45.3%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{-100}}{i} \]
      9. metadata-eval45.3%

        \[\leadsto n \cdot \frac{100 \cdot {\left(1 + \frac{i}{n}\right)}^{n} + \color{blue}{\left(-100\right)}}{i} \]
      10. fma-define45.3%

        \[\leadsto n \cdot \frac{\color{blue}{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}}{i} \]
      11. metadata-eval45.3%

        \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
    3. Simplified45.3%

      \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
    4. Add Preprocessing
    5. Taylor expanded in n around inf 47.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
    6. Step-by-step derivation
      1. sub-neg47.5%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} + \left(-100\right)}}{i} \]
      2. metadata-eval47.5%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
      3. metadata-eval47.5%

        \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
      4. distribute-lft-in47.5%

        \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
      5. metadata-eval47.5%

        \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
      6. sub-neg47.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left(e^{i} - 1\right)}}{i} \]
      7. expm1-define47.5%

        \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\mathsf{expm1}\left(i\right)}}{i} \]
    7. Simplified47.5%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
    8. Taylor expanded in i around 0 34.7%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right) + 100 \cdot n} \]
    9. Taylor expanded in i around inf 34.7%

      \[\leadsto \color{blue}{50 \cdot \left(i \cdot n\right)} \]
    10. Step-by-step derivation
      1. *-commutative34.7%

        \[\leadsto \color{blue}{\left(i \cdot n\right) \cdot 50} \]
      2. associate-*r*34.7%

        \[\leadsto \color{blue}{i \cdot \left(n \cdot 50\right)} \]
    11. Simplified34.7%

      \[\leadsto \color{blue}{i \cdot \left(n \cdot 50\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification51.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;i \leq 1.56 \cdot 10^{+29}:\\ \;\;\;\;n \cdot 100\\ \mathbf{else}:\\ \;\;\;\;i \cdot \left(n \cdot 50\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 10: 51.9% accurate, 16.3× speedup?

\[\begin{array}{l} \\ n \cdot \left(100 + i \cdot 50\right) \end{array} \]
(FPCore (i n) :precision binary64 (* n (+ 100.0 (* i 50.0))))
double code(double i, double n) {
	return n * (100.0 + (i * 50.0));
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = n * (100.0d0 + (i * 50.0d0))
end function
public static double code(double i, double n) {
	return n * (100.0 + (i * 50.0));
}
def code(i, n):
	return n * (100.0 + (i * 50.0))
function code(i, n)
	return Float64(n * Float64(100.0 + Float64(i * 50.0)))
end
function tmp = code(i, n)
	tmp = n * (100.0 + (i * 50.0));
end
code[i_, n_] := N[(n * N[(100.0 + N[(i * 50.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
n \cdot \left(100 + i \cdot 50\right)
\end{array}
Derivation
  1. Initial program 32.7%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Step-by-step derivation
    1. associate-/r/32.8%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
    2. associate-*r*32.8%

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

      \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
    4. associate-*r/32.8%

      \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
    5. sub-neg32.8%

      \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
    6. distribute-lft-in32.8%

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

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

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

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

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

      \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
  3. Simplified32.8%

    \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
  4. Add Preprocessing
  5. Taylor expanded in n around inf 34.9%

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
  6. Step-by-step derivation
    1. sub-neg34.9%

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

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
    3. metadata-eval34.9%

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
    4. distribute-lft-in35.0%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
    5. metadata-eval35.0%

      \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
    6. sub-neg35.0%

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

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

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
  8. Taylor expanded in i around 0 52.2%

    \[\leadsto n \cdot \color{blue}{\left(100 + 50 \cdot i\right)} \]
  9. Final simplification52.2%

    \[\leadsto n \cdot \left(100 + i \cdot 50\right) \]
  10. Add Preprocessing

Alternative 11: 61.0% accurate, 16.3× speedup?

\[\begin{array}{l} \\ \frac{n}{0.01 + i \cdot -0.005} \end{array} \]
(FPCore (i n) :precision binary64 (/ n (+ 0.01 (* i -0.005))))
double code(double i, double n) {
	return n / (0.01 + (i * -0.005));
}
real(8) function code(i, n)
    real(8), intent (in) :: i
    real(8), intent (in) :: n
    code = n / (0.01d0 + (i * (-0.005d0)))
end function
public static double code(double i, double n) {
	return n / (0.01 + (i * -0.005));
}
def code(i, n):
	return n / (0.01 + (i * -0.005))
function code(i, n)
	return Float64(n / Float64(0.01 + Float64(i * -0.005)))
end
function tmp = code(i, n)
	tmp = n / (0.01 + (i * -0.005));
end
code[i_, n_] := N[(n / N[(0.01 + N[(i * -0.005), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{n}{0.01 + i \cdot -0.005}
\end{array}
Derivation
  1. Initial program 32.7%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Step-by-step derivation
    1. associate-/r/32.8%

      \[\leadsto 100 \cdot \color{blue}{\left(\frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i} \cdot n\right)} \]
    2. associate-*r*32.8%

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

      \[\leadsto \color{blue}{n \cdot \left(100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{i}\right)} \]
    4. associate-*r/32.8%

      \[\leadsto n \cdot \color{blue}{\frac{100 \cdot \left({\left(1 + \frac{i}{n}\right)}^{n} - 1\right)}{i}} \]
    5. sub-neg32.8%

      \[\leadsto n \cdot \frac{100 \cdot \color{blue}{\left({\left(1 + \frac{i}{n}\right)}^{n} + \left(-1\right)\right)}}{i} \]
    6. distribute-lft-in32.8%

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

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

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

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

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

      \[\leadsto n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, \color{blue}{-100}\right)}{i} \]
  3. Simplified32.8%

    \[\leadsto \color{blue}{n \cdot \frac{\mathsf{fma}\left(100, {\left(1 + \frac{i}{n}\right)}^{n}, -100\right)}{i}} \]
  4. Add Preprocessing
  5. Taylor expanded in n around inf 34.9%

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot e^{i} - 100}}{i} \]
  6. Step-by-step derivation
    1. sub-neg34.9%

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

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{-100}}{i} \]
    3. metadata-eval34.9%

      \[\leadsto n \cdot \frac{100 \cdot e^{i} + \color{blue}{100 \cdot -1}}{i} \]
    4. distribute-lft-in35.0%

      \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \left(e^{i} + -1\right)}}{i} \]
    5. metadata-eval35.0%

      \[\leadsto n \cdot \frac{100 \cdot \left(e^{i} + \color{blue}{\left(-1\right)}\right)}{i} \]
    6. sub-neg35.0%

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

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

    \[\leadsto n \cdot \frac{\color{blue}{100 \cdot \mathsf{expm1}\left(i\right)}}{i} \]
  8. Step-by-step derivation
    1. clear-num71.4%

      \[\leadsto n \cdot \color{blue}{\frac{1}{\frac{i}{100 \cdot \mathsf{expm1}\left(i\right)}}} \]
    2. un-div-inv71.3%

      \[\leadsto \color{blue}{\frac{n}{\frac{i}{100 \cdot \mathsf{expm1}\left(i\right)}}} \]
    3. *-un-lft-identity71.3%

      \[\leadsto \frac{n}{\frac{\color{blue}{1 \cdot i}}{100 \cdot \mathsf{expm1}\left(i\right)}} \]
    4. times-frac71.3%

      \[\leadsto \frac{n}{\color{blue}{\frac{1}{100} \cdot \frac{i}{\mathsf{expm1}\left(i\right)}}} \]
    5. metadata-eval71.3%

      \[\leadsto \frac{n}{\color{blue}{0.01} \cdot \frac{i}{\mathsf{expm1}\left(i\right)}} \]
  9. Applied egg-rr71.3%

    \[\leadsto \color{blue}{\frac{n}{0.01 \cdot \frac{i}{\mathsf{expm1}\left(i\right)}}} \]
  10. Step-by-step derivation
    1. associate-*r/71.2%

      \[\leadsto \frac{n}{\color{blue}{\frac{0.01 \cdot i}{\mathsf{expm1}\left(i\right)}}} \]
  11. Simplified71.2%

    \[\leadsto \color{blue}{\frac{n}{\frac{0.01 \cdot i}{\mathsf{expm1}\left(i\right)}}} \]
  12. Taylor expanded in i around 0 59.5%

    \[\leadsto \frac{n}{\color{blue}{0.01 + -0.005 \cdot i}} \]
  13. Step-by-step derivation
    1. *-commutative59.5%

      \[\leadsto \frac{n}{0.01 + \color{blue}{i \cdot -0.005}} \]
  14. Simplified59.5%

    \[\leadsto \frac{n}{\color{blue}{0.01 + i \cdot -0.005}} \]
  15. Final simplification59.5%

    \[\leadsto \frac{n}{0.01 + i \cdot -0.005} \]
  16. Add Preprocessing

Alternative 12: 2.7% 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 32.7%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 41.4%

    \[\leadsto 100 \cdot \frac{\color{blue}{i \cdot \left(1 + i \cdot \left(0.5 - 0.5 \cdot \frac{1}{n}\right)\right)}}{\frac{i}{n}} \]
  4. Step-by-step derivation
    1. associate-*r/41.4%

      \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \color{blue}{\frac{0.5 \cdot 1}{n}}\right)\right)}{\frac{i}{n}} \]
    2. metadata-eval41.4%

      \[\leadsto 100 \cdot \frac{i \cdot \left(1 + i \cdot \left(0.5 - \frac{\color{blue}{0.5}}{n}\right)\right)}{\frac{i}{n}} \]
  5. Simplified41.4%

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

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

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

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

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

Alternative 13: 46.6% accurate, 38.0× speedup?

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

\\
n \cdot 100
\end{array}
Derivation
  1. Initial program 32.7%

    \[100 \cdot \frac{{\left(1 + \frac{i}{n}\right)}^{n} - 1}{\frac{i}{n}} \]
  2. Add Preprocessing
  3. Taylor expanded in i around 0 44.4%

    \[\leadsto \color{blue}{100 \cdot n} \]
  4. Step-by-step derivation
    1. *-commutative44.4%

      \[\leadsto \color{blue}{n \cdot 100} \]
  5. Simplified44.4%

    \[\leadsto \color{blue}{n \cdot 100} \]
  6. Final simplification44.4%

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

Developer target: 32.2% 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 2024066 
(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))))