a parameter of renormalized beta distribution

Percentage Accurate: 99.8% → 99.8%
Time: 6.3s
Alternatives: 12
Speedup: N/A×

Specification

?
\[\left(0 < m \land 0 < v\right) \land v < 0.25\]
\[\begin{array}{l} \\ \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \end{array} \]
(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) m))
double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * m;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = (((m * (1.0d0 - m)) / v) - 1.0d0) * m
end function
public static double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * m;
}
def code(m, v):
	return (((m * (1.0 - m)) / v) - 1.0) * m
function code(m, v)
	return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * m)
end
function tmp = code(m, v)
	tmp = (((m * (1.0 - m)) / v) - 1.0) * m;
end
code[m_, v_] := N[(N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * m), $MachinePrecision]
\begin{array}{l}

\\
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m
\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 12 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: 99.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \end{array} \]
(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) m))
double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * m;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = (((m * (1.0d0 - m)) / v) - 1.0d0) * m
end function
public static double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * m;
}
def code(m, v):
	return (((m * (1.0 - m)) / v) - 1.0) * m
function code(m, v)
	return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * m)
end
function tmp = code(m, v)
	tmp = (((m * (1.0 - m)) / v) - 1.0) * m;
end
code[m_, v_] := N[(N[(N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision] - 1.0), $MachinePrecision] * m), $MachinePrecision]
\begin{array}{l}

\\
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m
\end{array}

Alternative 1: 99.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right) \end{array} \]
(FPCore (m v) :precision binary64 (* m (+ (* (/ m v) (- 1.0 m)) -1.0)))
double code(double m, double v) {
	return m * (((m / v) * (1.0 - m)) + -1.0);
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = m * (((m / v) * (1.0d0 - m)) + (-1.0d0))
end function
public static double code(double m, double v) {
	return m * (((m / v) * (1.0 - m)) + -1.0);
}
def code(m, v):
	return m * (((m / v) * (1.0 - m)) + -1.0)
function code(m, v)
	return Float64(m * Float64(Float64(Float64(m / v) * Float64(1.0 - m)) + -1.0))
end
function tmp = code(m, v)
	tmp = m * (((m / v) * (1.0 - m)) + -1.0);
end
code[m_, v_] := N[(m * N[(N[(N[(m / v), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)
\end{array}
Derivation
  1. Initial program 99.8%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
  2. Step-by-step derivation
    1. *-commutative99.8%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
    2. sub-neg99.8%

      \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
    3. distribute-lft-in99.8%

      \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
    4. *-commutative99.8%

      \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
    5. associate-*l/93.9%

      \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
    6. associate-*r/99.8%

      \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
    7. *-lft-identity99.8%

      \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
    8. associate-*l/99.8%

      \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
    9. associate-*r*99.8%

      \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
    10. *-commutative99.8%

      \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
    11. distribute-rgt-out99.8%

      \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
    12. associate-*r/99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
    13. associate-/l*99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
    14. /-rgt-identity99.8%

      \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
    15. associate-*l/99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
    16. metadata-eval99.8%

      \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
  3. Simplified99.8%

    \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
  4. Final simplification99.8%

    \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right) \]

Alternative 2: 99.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.45 \cdot 10^{-26}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(m \cdot \frac{1 - m}{v}\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2.45e-26) (- (/ m (/ v m)) m) (* m (* m (/ (- 1.0 m) v)))))
double code(double m, double v) {
	double tmp;
	if (m <= 2.45e-26) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = m * (m * ((1.0 - m) / v));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 2.45d-26) then
        tmp = (m / (v / m)) - m
    else
        tmp = m * (m * ((1.0d0 - m) / v))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.45e-26) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = m * (m * ((1.0 - m) / v));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.45e-26:
		tmp = (m / (v / m)) - m
	else:
		tmp = m * (m * ((1.0 - m) / v))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.45e-26)
		tmp = Float64(Float64(m / Float64(v / m)) - m);
	else
		tmp = Float64(m * Float64(m * Float64(Float64(1.0 - m) / v)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.45e-26)
		tmp = (m / (v / m)) - m;
	else
		tmp = m * (m * ((1.0 - m) / v));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.45e-26], N[(N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(m * N[(m * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.45 \cdot 10^{-26}:\\
\;\;\;\;\frac{m}{\frac{v}{m}} - m\\

\mathbf{else}:\\
\;\;\;\;m \cdot \left(m \cdot \frac{1 - m}{v}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.45e-26

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.7%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.7%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/87.8%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.7%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.7%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.7%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.7%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.7%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.7%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Step-by-step derivation
      1. distribute-rgt-in99.7%

        \[\leadsto \color{blue}{\left(\frac{m}{v} \cdot \left(1 - m\right)\right) \cdot m + -1 \cdot m} \]
      2. associate-*l*99.7%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(\left(1 - m\right) \cdot m\right)} + -1 \cdot m \]
      3. *-commutative99.7%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.7%

        \[\leadsto \frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \color{blue}{\left(-m\right)} \]
    5. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \left(-m\right)} \]
    6. Taylor expanded in m around 0 87.8%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg87.8%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative87.8%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow287.8%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-/l*99.8%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} + \left(-m\right) \]
      5. sub-neg99.8%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]
    8. Simplified99.8%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]

    if 2.45e-26 < m

    1. Initial program 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.8%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.8%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.8%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.8%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/99.9%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.8%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.8%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.8%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.8%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.8%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.8%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.4%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-*r/99.3%

        \[\leadsto \color{blue}{{m}^{2} \cdot \frac{1 - m}{v}} \]
      2. unpow299.3%

        \[\leadsto \color{blue}{\left(m \cdot m\right)} \cdot \frac{1 - m}{v} \]
      3. associate-*r*99.4%

        \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v}\right)} \]
    6. Simplified99.4%

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.45 \cdot 10^{-26}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(m \cdot \frac{1 - m}{v}\right)\\ \end{array} \]

Alternative 3: 99.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 4.2 \cdot 10^{-30}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;\frac{m \cdot m}{\frac{v}{1 - m}}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 4.2e-30) (- (/ m (/ v m)) m) (/ (* m m) (/ v (- 1.0 m)))))
double code(double m, double v) {
	double tmp;
	if (m <= 4.2e-30) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = (m * m) / (v / (1.0 - m));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 4.2d-30) then
        tmp = (m / (v / m)) - m
    else
        tmp = (m * m) / (v / (1.0d0 - m))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 4.2e-30) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = (m * m) / (v / (1.0 - m));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 4.2e-30:
		tmp = (m / (v / m)) - m
	else:
		tmp = (m * m) / (v / (1.0 - m))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 4.2e-30)
		tmp = Float64(Float64(m / Float64(v / m)) - m);
	else
		tmp = Float64(Float64(m * m) / Float64(v / Float64(1.0 - m)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 4.2e-30)
		tmp = (m / (v / m)) - m;
	else
		tmp = (m * m) / (v / (1.0 - m));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 4.2e-30], N[(N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(N[(m * m), $MachinePrecision] / N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 4.2 \cdot 10^{-30}:\\
\;\;\;\;\frac{m}{\frac{v}{m}} - m\\

\mathbf{else}:\\
\;\;\;\;\frac{m \cdot m}{\frac{v}{1 - m}}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 4.2000000000000004e-30

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.7%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.7%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/87.7%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.7%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.7%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.7%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.7%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.7%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.7%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Step-by-step derivation
      1. distribute-rgt-in99.7%

        \[\leadsto \color{blue}{\left(\frac{m}{v} \cdot \left(1 - m\right)\right) \cdot m + -1 \cdot m} \]
      2. associate-*l*99.7%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(\left(1 - m\right) \cdot m\right)} + -1 \cdot m \]
      3. *-commutative99.7%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.7%

        \[\leadsto \frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \color{blue}{\left(-m\right)} \]
    5. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \left(-m\right)} \]
    6. Taylor expanded in m around 0 87.7%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg87.7%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative87.7%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow287.7%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-/l*99.8%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} + \left(-m\right) \]
      5. sub-neg99.8%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]
    8. Simplified99.8%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]

    if 4.2000000000000004e-30 < m

    1. Initial program 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.8%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.8%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.8%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.8%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/99.9%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.8%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.8%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.8%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.8%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.8%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.8%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.8%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.4%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*99.4%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow299.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified99.4%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 4.2 \cdot 10^{-30}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;\frac{m \cdot m}{\frac{v}{1 - m}}\\ \end{array} \]

Alternative 4: 73.4% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.6 \cdot 10^{-165}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m \cdot \frac{m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2.6e-165) (- m) (if (<= m 1.0) (/ m (/ v m)) (- (* m (/ m v))))))
double code(double m, double v) {
	double tmp;
	if (m <= 2.6e-165) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m / (v / m);
	} else {
		tmp = -(m * (m / v));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 2.6d-165) then
        tmp = -m
    else if (m <= 1.0d0) then
        tmp = m / (v / m)
    else
        tmp = -(m * (m / v))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.6e-165) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m / (v / m);
	} else {
		tmp = -(m * (m / v));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.6e-165:
		tmp = -m
	elif m <= 1.0:
		tmp = m / (v / m)
	else:
		tmp = -(m * (m / v))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.6e-165)
		tmp = Float64(-m);
	elseif (m <= 1.0)
		tmp = Float64(m / Float64(v / m));
	else
		tmp = Float64(-Float64(m * Float64(m / v)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.6e-165)
		tmp = -m;
	elseif (m <= 1.0)
		tmp = m / (v / m);
	else
		tmp = -(m * (m / v));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.6e-165], (-m), If[LessEqual[m, 1.0], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], (-N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision])]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.6 \cdot 10^{-165}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 1:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\

\mathbf{else}:\\
\;\;\;\;-m \cdot \frac{m}{v}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < 2.60000000000000007e-165

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/81.2%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.8%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.8%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.8%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in m around 0 81.2%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-181.2%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified81.2%

      \[\leadsto \color{blue}{-m} \]

    if 2.60000000000000007e-165 < m < 1

    1. Initial program 99.5%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.5%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.5%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.5%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.5%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/94.2%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.6%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.6%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.5%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.5%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.5%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.5%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.5%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.5%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.5%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.6%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.6%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 68.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*69.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow269.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified69.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 66.6%

      \[\leadsto \frac{m \cdot m}{\color{blue}{v}} \]
    8. Step-by-step derivation
      1. associate-*l/72.0%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
    9. Applied egg-rr72.0%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
    10. Step-by-step derivation
      1. associate-/r/72.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr72.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]

    if 1 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/100.0%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.9%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow2100.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified100.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 0.1%

      \[\leadsto \frac{m \cdot m}{\color{blue}{v}} \]
    8. Step-by-step derivation
      1. frac-2neg0.1%

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-v}} \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      3. sqrt-unprod75.6%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      4. sqr-neg75.6%

        \[\leadsto \frac{-m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      5. sqrt-unprod74.3%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      6. add-sqr-sqrt74.3%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{v}} \]
      7. distribute-neg-frac74.3%

        \[\leadsto \color{blue}{-\frac{m \cdot m}{v}} \]
      8. associate-*l/74.3%

        \[\leadsto -\color{blue}{\frac{m}{v} \cdot m} \]
      9. distribute-rgt-neg-in74.3%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
    9. Applied egg-rr74.3%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification75.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.6 \cdot 10^{-165}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m \cdot \frac{m}{v}\\ \end{array} \]

Alternative 5: 97.8% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(-m \cdot \frac{m}{v}\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.0) (- (/ m (/ v m)) m) (* m (- (* m (/ m v))))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = m * -(m * (m / v));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 1.0d0) then
        tmp = (m / (v / m)) - m
    else
        tmp = m * -(m * (m / v))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = m * -(m * (m / v));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = (m / (v / m)) - m
	else:
		tmp = m * -(m * (m / v))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.0)
		tmp = Float64(Float64(m / Float64(v / m)) - m);
	else
		tmp = Float64(m * Float64(-Float64(m * Float64(m / v))));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.0)
		tmp = (m / (v / m)) - m;
	else
		tmp = m * -(m * (m / v));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(m * (-N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision])), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;\frac{m}{\frac{v}{m}} - m\\

\mathbf{else}:\\
\;\;\;\;m \cdot \left(-m \cdot \frac{m}{v}\right)\\


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

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.7%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.7%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/88.6%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.7%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.6%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.6%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.6%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.6%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.7%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.7%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Step-by-step derivation
      1. distribute-rgt-in99.7%

        \[\leadsto \color{blue}{\left(\frac{m}{v} \cdot \left(1 - m\right)\right) \cdot m + -1 \cdot m} \]
      2. associate-*l*99.7%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(\left(1 - m\right) \cdot m\right)} + -1 \cdot m \]
      3. *-commutative99.7%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.7%

        \[\leadsto \frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \color{blue}{\left(-m\right)} \]
    5. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \left(-m\right)} \]
    6. Taylor expanded in m around 0 86.9%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg86.9%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative86.9%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow286.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-/l*98.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} + \left(-m\right) \]
      5. sub-neg98.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]
    8. Simplified98.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]

    if 1 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/100.0%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.9%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow2100.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified100.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around inf 96.7%

      \[\leadsto \frac{m \cdot m}{\color{blue}{-1 \cdot \frac{v}{m}}} \]
    8. Step-by-step derivation
      1. associate-*r/96.7%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-1 \cdot v}{m}}} \]
      2. neg-mul-196.7%

        \[\leadsto \frac{m \cdot m}{\frac{\color{blue}{-v}}{m}} \]
    9. Simplified96.7%

      \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-v}{m}}} \]
    10. Step-by-step derivation
      1. frac-2neg96.7%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-\left(-v\right)}{-m}}} \]
      2. remove-double-neg96.7%

        \[\leadsto \frac{m \cdot m}{\frac{\color{blue}{v}}{-m}} \]
      3. associate-/r/96.6%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v} \cdot \left(-m\right)} \]
      4. associate-*l/96.7%

        \[\leadsto \color{blue}{\left(\frac{m}{v} \cdot m\right)} \cdot \left(-m\right) \]
      5. *-commutative96.7%

        \[\leadsto \color{blue}{\left(m \cdot \frac{m}{v}\right)} \cdot \left(-m\right) \]
    11. Applied egg-rr96.7%

      \[\leadsto \color{blue}{\left(m \cdot \frac{m}{v}\right) \cdot \left(-m\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(-m \cdot \frac{m}{v}\right)\\ \end{array} \]

Alternative 6: 97.8% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;\frac{m \cdot m}{\frac{-v}{m}}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.0) (- (/ m (/ v m)) m) (/ (* m m) (/ (- v) m))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = (m * m) / (-v / m);
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 1.0d0) then
        tmp = (m / (v / m)) - m
    else
        tmp = (m * m) / (-v / m)
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = (m * m) / (-v / m);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = (m / (v / m)) - m
	else:
		tmp = (m * m) / (-v / m)
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.0)
		tmp = Float64(Float64(m / Float64(v / m)) - m);
	else
		tmp = Float64(Float64(m * m) / Float64(Float64(-v) / m));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.0)
		tmp = (m / (v / m)) - m;
	else
		tmp = (m * m) / (-v / m);
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(N[(m * m), $MachinePrecision] / N[((-v) / m), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;\frac{m}{\frac{v}{m}} - m\\

\mathbf{else}:\\
\;\;\;\;\frac{m \cdot m}{\frac{-v}{m}}\\


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

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.7%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.7%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/88.6%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.7%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.6%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.6%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.6%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.6%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.7%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.7%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Step-by-step derivation
      1. distribute-rgt-in99.7%

        \[\leadsto \color{blue}{\left(\frac{m}{v} \cdot \left(1 - m\right)\right) \cdot m + -1 \cdot m} \]
      2. associate-*l*99.7%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(\left(1 - m\right) \cdot m\right)} + -1 \cdot m \]
      3. *-commutative99.7%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.7%

        \[\leadsto \frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \color{blue}{\left(-m\right)} \]
    5. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \left(-m\right)} \]
    6. Taylor expanded in m around 0 86.9%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg86.9%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative86.9%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow286.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-/l*98.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} + \left(-m\right) \]
      5. sub-neg98.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]
    8. Simplified98.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]

    if 1 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/100.0%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.9%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow2100.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified100.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around inf 96.7%

      \[\leadsto \frac{m \cdot m}{\color{blue}{-1 \cdot \frac{v}{m}}} \]
    8. Step-by-step derivation
      1. associate-*r/96.7%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-1 \cdot v}{m}}} \]
      2. neg-mul-196.7%

        \[\leadsto \frac{m \cdot m}{\frac{\color{blue}{-v}}{m}} \]
    9. Simplified96.7%

      \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-v}{m}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;\frac{m \cdot m}{\frac{-v}{m}}\\ \end{array} \]

Alternative 7: 38.0% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.8 \cdot 10^{-165}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2.8e-165) (- m) (if (<= m 1.0) (* m (/ m v)) (- m))))
double code(double m, double v) {
	double tmp;
	if (m <= 2.8e-165) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 2.8d-165) then
        tmp = -m
    else if (m <= 1.0d0) then
        tmp = m * (m / v)
    else
        tmp = -m
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.8e-165) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.8e-165:
		tmp = -m
	elif m <= 1.0:
		tmp = m * (m / v)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.8e-165)
		tmp = Float64(-m);
	elseif (m <= 1.0)
		tmp = Float64(m * Float64(m / v));
	else
		tmp = Float64(-m);
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.8e-165)
		tmp = -m;
	elseif (m <= 1.0)
		tmp = m * (m / v);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.8e-165], (-m), If[LessEqual[m, 1.0], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], (-m)]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.8 \cdot 10^{-165}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 1:\\
\;\;\;\;m \cdot \frac{m}{v}\\

\mathbf{else}:\\
\;\;\;\;-m\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.7999999999999999e-165 or 1 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/93.8%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.9%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in m around 0 30.7%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-130.7%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified30.7%

      \[\leadsto \color{blue}{-m} \]

    if 2.7999999999999999e-165 < m < 1

    1. Initial program 99.5%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.5%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.5%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.5%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.5%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/94.2%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.6%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.6%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.5%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.5%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.5%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.5%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.5%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.5%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.5%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.6%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.6%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 68.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*69.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow269.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified69.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 66.6%

      \[\leadsto \frac{m \cdot m}{\color{blue}{v}} \]
    8. Step-by-step derivation
      1. associate-*l/72.0%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
    9. Applied egg-rr72.0%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification43.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.8 \cdot 10^{-165}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 8: 38.0% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.5 \cdot 10^{-165}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.5e-165) (- m) (if (<= m 1.0) (/ m (/ v m)) (- m))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.5e-165) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m / (v / m);
	} else {
		tmp = -m;
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 1.5d-165) then
        tmp = -m
    else if (m <= 1.0d0) then
        tmp = m / (v / m)
    else
        tmp = -m
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.5e-165) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m / (v / m);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.5e-165:
		tmp = -m
	elif m <= 1.0:
		tmp = m / (v / m)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.5e-165)
		tmp = Float64(-m);
	elseif (m <= 1.0)
		tmp = Float64(m / Float64(v / m));
	else
		tmp = Float64(-m);
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.5e-165)
		tmp = -m;
	elseif (m <= 1.0)
		tmp = m / (v / m);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.5e-165], (-m), If[LessEqual[m, 1.0], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], (-m)]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.5 \cdot 10^{-165}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 1:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\

\mathbf{else}:\\
\;\;\;\;-m\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.49999999999999989e-165 or 1 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/93.8%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.9%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in m around 0 30.7%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-130.7%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified30.7%

      \[\leadsto \color{blue}{-m} \]

    if 1.49999999999999989e-165 < m < 1

    1. Initial program 99.5%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.5%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.5%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.5%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.5%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/94.2%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.6%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.6%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.5%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.5%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.5%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.5%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.5%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.5%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.5%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.6%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.6%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.6%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 68.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*69.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow269.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified69.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 66.6%

      \[\leadsto \frac{m \cdot m}{\color{blue}{v}} \]
    8. Step-by-step derivation
      1. associate-*l/72.0%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
    9. Applied egg-rr72.0%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
    10. Step-by-step derivation
      1. associate-/r/72.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr72.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification43.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.5 \cdot 10^{-165}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 9: 87.4% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;-m \cdot \frac{m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.0) (* m (+ (/ m v) -1.0)) (- (* m (/ m v)))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = -(m * (m / v));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 1.0d0) then
        tmp = m * ((m / v) + (-1.0d0))
    else
        tmp = -(m * (m / v))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = -(m * (m / v));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = m * ((m / v) + -1.0)
	else:
		tmp = -(m * (m / v))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.0)
		tmp = Float64(m * Float64(Float64(m / v) + -1.0));
	else
		tmp = Float64(-Float64(m * Float64(m / v)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.0)
		tmp = m * ((m / v) + -1.0);
	else
		tmp = -(m * (m / v));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.0], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], (-N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision])]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\

\mathbf{else}:\\
\;\;\;\;-m \cdot \frac{m}{v}\\


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

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.7%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.7%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/88.6%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.7%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.6%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.6%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.6%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.6%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.7%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.7%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in m around 0 98.0%

      \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} - 1\right)} \]

    if 1 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/100.0%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.9%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow2100.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified100.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 0.1%

      \[\leadsto \frac{m \cdot m}{\color{blue}{v}} \]
    8. Step-by-step derivation
      1. frac-2neg0.1%

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-v}} \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      3. sqrt-unprod75.6%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      4. sqr-neg75.6%

        \[\leadsto \frac{-m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      5. sqrt-unprod74.3%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      6. add-sqr-sqrt74.3%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{v}} \]
      7. distribute-neg-frac74.3%

        \[\leadsto \color{blue}{-\frac{m \cdot m}{v}} \]
      8. associate-*l/74.3%

        \[\leadsto -\color{blue}{\frac{m}{v} \cdot m} \]
      9. distribute-rgt-neg-in74.3%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
    9. Applied egg-rr74.3%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;-m \cdot \frac{m}{v}\\ \end{array} \]

Alternative 10: 87.4% accurate, 1.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;-m \cdot \frac{m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.0) (- (/ m (/ v m)) m) (- (* m (/ m v)))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = -(m * (m / v));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 1.0d0) then
        tmp = (m / (v / m)) - m
    else
        tmp = -(m * (m / v))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = -(m * (m / v));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = (m / (v / m)) - m
	else:
		tmp = -(m * (m / v))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.0)
		tmp = Float64(Float64(m / Float64(v / m)) - m);
	else
		tmp = Float64(-Float64(m * Float64(m / v)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.0)
		tmp = (m / (v / m)) - m;
	else
		tmp = -(m * (m / v));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], (-N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision])]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;\frac{m}{\frac{v}{m}} - m\\

\mathbf{else}:\\
\;\;\;\;-m \cdot \frac{m}{v}\\


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

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.7%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.7%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.7%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.7%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/88.6%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.7%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.7%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.6%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.6%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.6%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.6%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.7%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.7%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.7%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.7%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Step-by-step derivation
      1. distribute-rgt-in99.7%

        \[\leadsto \color{blue}{\left(\frac{m}{v} \cdot \left(1 - m\right)\right) \cdot m + -1 \cdot m} \]
      2. associate-*l*99.7%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(\left(1 - m\right) \cdot m\right)} + -1 \cdot m \]
      3. *-commutative99.7%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.7%

        \[\leadsto \frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \color{blue}{\left(-m\right)} \]
    5. Applied egg-rr99.7%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right) + \left(-m\right)} \]
    6. Taylor expanded in m around 0 86.9%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg86.9%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative86.9%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow286.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-/l*98.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} + \left(-m\right) \]
      5. sub-neg98.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]
    8. Simplified98.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - m} \]

    if 1 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.9%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.9%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
      3. distribute-lft-in99.9%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
      4. *-commutative99.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/100.0%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      6. associate-*r/99.9%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.9%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      9. associate-*r*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      10. *-commutative99.9%

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.9%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      12. associate-*r/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      13. associate-/l*99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.9%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      15. associate-*l/99.9%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.9%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.9%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*100.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow2100.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified100.0%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 0.1%

      \[\leadsto \frac{m \cdot m}{\color{blue}{v}} \]
    8. Step-by-step derivation
      1. frac-2neg0.1%

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-v}} \]
      2. add-sqr-sqrt0.0%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      3. sqrt-unprod75.6%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      4. sqr-neg75.6%

        \[\leadsto \frac{-m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      5. sqrt-unprod74.3%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      6. add-sqr-sqrt74.3%

        \[\leadsto \frac{-m \cdot m}{\color{blue}{v}} \]
      7. distribute-neg-frac74.3%

        \[\leadsto \color{blue}{-\frac{m \cdot m}{v}} \]
      8. associate-*l/74.3%

        \[\leadsto -\color{blue}{\frac{m}{v} \cdot m} \]
      9. distribute-rgt-neg-in74.3%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
    9. Applied egg-rr74.3%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;-m \cdot \frac{m}{v}\\ \end{array} \]

Alternative 11: 27.5% accurate, 5.5× speedup?

\[\begin{array}{l} \\ -m \end{array} \]
(FPCore (m v) :precision binary64 (- m))
double code(double m, double v) {
	return -m;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = -m
end function
public static double code(double m, double v) {
	return -m;
}
def code(m, v):
	return -m
function code(m, v)
	return Float64(-m)
end
function tmp = code(m, v)
	tmp = -m;
end
code[m_, v_] := (-m)
\begin{array}{l}

\\
-m
\end{array}
Derivation
  1. Initial program 99.8%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
  2. Step-by-step derivation
    1. *-commutative99.8%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
    2. sub-neg99.8%

      \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
    3. distribute-lft-in99.8%

      \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
    4. *-commutative99.8%

      \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
    5. associate-*l/93.9%

      \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
    6. associate-*r/99.8%

      \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
    7. *-lft-identity99.8%

      \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
    8. associate-*l/99.8%

      \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
    9. associate-*r*99.8%

      \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
    10. *-commutative99.8%

      \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
    11. distribute-rgt-out99.8%

      \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
    12. associate-*r/99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
    13. associate-/l*99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
    14. /-rgt-identity99.8%

      \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
    15. associate-*l/99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
    16. metadata-eval99.8%

      \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
  3. Simplified99.8%

    \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
  4. Taylor expanded in m around 0 28.7%

    \[\leadsto \color{blue}{-1 \cdot m} \]
  5. Step-by-step derivation
    1. neg-mul-128.7%

      \[\leadsto \color{blue}{-m} \]
  6. Simplified28.7%

    \[\leadsto \color{blue}{-m} \]
  7. Final simplification28.7%

    \[\leadsto -m \]

Alternative 12: 3.0% accurate, 11.0× speedup?

\[\begin{array}{l} \\ m \end{array} \]
(FPCore (m v) :precision binary64 m)
double code(double m, double v) {
	return m;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = m
end function
public static double code(double m, double v) {
	return m;
}
def code(m, v):
	return m
function code(m, v)
	return m
end
function tmp = code(m, v)
	tmp = m;
end
code[m_, v_] := m
\begin{array}{l}

\\
m
\end{array}
Derivation
  1. Initial program 99.8%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
  2. Step-by-step derivation
    1. *-commutative99.8%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
    2. sub-neg99.8%

      \[\leadsto m \cdot \color{blue}{\left(\frac{m \cdot \left(1 - m\right)}{v} + \left(-1\right)\right)} \]
    3. distribute-lft-in99.8%

      \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v} + m \cdot \left(-1\right)} \]
    4. *-commutative99.8%

      \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
    5. associate-*l/93.9%

      \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
    6. associate-*r/99.8%

      \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
    7. *-lft-identity99.8%

      \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
    8. associate-*l/99.8%

      \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
    9. associate-*r*99.8%

      \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
    10. *-commutative99.8%

      \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
    11. distribute-rgt-out99.8%

      \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
    12. associate-*r/99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
    13. associate-/l*99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
    14. /-rgt-identity99.8%

      \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
    15. associate-*l/99.8%

      \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
    16. metadata-eval99.8%

      \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
  3. Simplified99.8%

    \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
  4. Taylor expanded in m around 0 46.2%

    \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
  5. Step-by-step derivation
    1. neg-mul-146.2%

      \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
    2. pow246.2%

      \[\leadsto \left(-m\right) + \frac{\color{blue}{m \cdot m}}{v} \]
    3. div-inv46.1%

      \[\leadsto \left(-m\right) + \color{blue}{\left(m \cdot m\right) \cdot \frac{1}{v}} \]
    4. add-sqr-sqrt46.1%

      \[\leadsto \left(-m\right) + \left(m \cdot \color{blue}{\left(\sqrt{m} \cdot \sqrt{m}\right)}\right) \cdot \frac{1}{v} \]
    5. sqrt-prod46.1%

      \[\leadsto \left(-m\right) + \left(m \cdot \color{blue}{\sqrt{m \cdot m}}\right) \cdot \frac{1}{v} \]
    6. sqr-neg46.1%

      \[\leadsto \left(-m\right) + \left(m \cdot \sqrt{\color{blue}{\left(-m\right) \cdot \left(-m\right)}}\right) \cdot \frac{1}{v} \]
    7. sqrt-unprod0.0%

      \[\leadsto \left(-m\right) + \left(m \cdot \color{blue}{\left(\sqrt{-m} \cdot \sqrt{-m}\right)}\right) \cdot \frac{1}{v} \]
    8. add-sqr-sqrt60.7%

      \[\leadsto \left(-m\right) + \left(m \cdot \color{blue}{\left(-m\right)}\right) \cdot \frac{1}{v} \]
    9. distribute-rgt-neg-in60.7%

      \[\leadsto \left(-m\right) + \color{blue}{\left(-m \cdot m\right)} \cdot \frac{1}{v} \]
    10. cancel-sign-sub-inv60.7%

      \[\leadsto \color{blue}{\left(-m\right) - \left(m \cdot m\right) \cdot \frac{1}{v}} \]
    11. add-sqr-sqrt0.0%

      \[\leadsto \color{blue}{\sqrt{-m} \cdot \sqrt{-m}} - \left(m \cdot m\right) \cdot \frac{1}{v} \]
    12. sqrt-unprod12.4%

      \[\leadsto \color{blue}{\sqrt{\left(-m\right) \cdot \left(-m\right)}} - \left(m \cdot m\right) \cdot \frac{1}{v} \]
    13. sqr-neg12.4%

      \[\leadsto \sqrt{\color{blue}{m \cdot m}} - \left(m \cdot m\right) \cdot \frac{1}{v} \]
    14. sqrt-prod36.9%

      \[\leadsto \color{blue}{\sqrt{m} \cdot \sqrt{m}} - \left(m \cdot m\right) \cdot \frac{1}{v} \]
    15. add-sqr-sqrt36.9%

      \[\leadsto \color{blue}{m} - \left(m \cdot m\right) \cdot \frac{1}{v} \]
    16. div-inv36.9%

      \[\leadsto m - \color{blue}{\frac{m \cdot m}{v}} \]
    17. associate-/l*36.6%

      \[\leadsto m - \color{blue}{\frac{m}{\frac{v}{m}}} \]
  6. Applied egg-rr36.6%

    \[\leadsto \color{blue}{m - \frac{m}{\frac{v}{m}}} \]
  7. Taylor expanded in m around 0 3.3%

    \[\leadsto \color{blue}{m} \]
  8. Final simplification3.3%

    \[\leadsto m \]

Reproduce

?
herbie shell --seed 2023250 
(FPCore (m v)
  :name "a parameter of renormalized beta distribution"
  :precision binary64
  :pre (and (and (< 0.0 m) (< 0.0 v)) (< v 0.25))
  (* (- (/ (* m (- 1.0 m)) v) 1.0) m))