a parameter of renormalized beta distribution

Percentage Accurate: 99.8% → 99.8%
Time: 6.4s
Alternatives: 8
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 8 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/92.2%

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

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

      \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
    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: 71.3% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_0 := m \cdot \frac{m}{v}\\ \mathbf{if}\;m \leq 1.45 \cdot 10^{-238}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 6.2 \cdot 10^{-217}:\\ \;\;\;\;t_0\\ \mathbf{elif}\;m \leq 6.8 \cdot 10^{-209}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;t_0\\ \mathbf{else}:\\ \;\;\;\;m \cdot \frac{-m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (let* ((t_0 (* m (/ m v))))
   (if (<= m 1.45e-238)
     (- m)
     (if (<= m 6.2e-217)
       t_0
       (if (<= m 6.8e-209) (- m) (if (<= m 1.0) t_0 (* m (/ (- m) v))))))))
double code(double m, double v) {
	double t_0 = m * (m / v);
	double tmp;
	if (m <= 1.45e-238) {
		tmp = -m;
	} else if (m <= 6.2e-217) {
		tmp = t_0;
	} else if (m <= 6.8e-209) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = t_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) :: t_0
    real(8) :: tmp
    t_0 = m * (m / v)
    if (m <= 1.45d-238) then
        tmp = -m
    else if (m <= 6.2d-217) then
        tmp = t_0
    else if (m <= 6.8d-209) then
        tmp = -m
    else if (m <= 1.0d0) then
        tmp = t_0
    else
        tmp = m * (-m / v)
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double t_0 = m * (m / v);
	double tmp;
	if (m <= 1.45e-238) {
		tmp = -m;
	} else if (m <= 6.2e-217) {
		tmp = t_0;
	} else if (m <= 6.8e-209) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = t_0;
	} else {
		tmp = m * (-m / v);
	}
	return tmp;
}
def code(m, v):
	t_0 = m * (m / v)
	tmp = 0
	if m <= 1.45e-238:
		tmp = -m
	elif m <= 6.2e-217:
		tmp = t_0
	elif m <= 6.8e-209:
		tmp = -m
	elif m <= 1.0:
		tmp = t_0
	else:
		tmp = m * (-m / v)
	return tmp
function code(m, v)
	t_0 = Float64(m * Float64(m / v))
	tmp = 0.0
	if (m <= 1.45e-238)
		tmp = Float64(-m);
	elseif (m <= 6.2e-217)
		tmp = t_0;
	elseif (m <= 6.8e-209)
		tmp = Float64(-m);
	elseif (m <= 1.0)
		tmp = t_0;
	else
		tmp = Float64(m * Float64(Float64(-m) / v));
	end
	return tmp
end
function tmp_2 = code(m, v)
	t_0 = m * (m / v);
	tmp = 0.0;
	if (m <= 1.45e-238)
		tmp = -m;
	elseif (m <= 6.2e-217)
		tmp = t_0;
	elseif (m <= 6.8e-209)
		tmp = -m;
	elseif (m <= 1.0)
		tmp = t_0;
	else
		tmp = m * (-m / v);
	end
	tmp_2 = tmp;
end
code[m_, v_] := Block[{t$95$0 = N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[m, 1.45e-238], (-m), If[LessEqual[m, 6.2e-217], t$95$0, If[LessEqual[m, 6.8e-209], (-m), If[LessEqual[m, 1.0], t$95$0, N[(m * N[((-m) / v), $MachinePrecision]), $MachinePrecision]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_0 := m \cdot \frac{m}{v}\\
\mathbf{if}\;m \leq 1.45 \cdot 10^{-238}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 6.2 \cdot 10^{-217}:\\
\;\;\;\;t_0\\

\mathbf{elif}\;m \leq 6.8 \cdot 10^{-209}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 1:\\
\;\;\;\;t_0\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < 1.4499999999999999e-238 or 6.1999999999999997e-217 < m < 6.79999999999999976e-209

    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/89.4%

        \[\leadsto \color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot m}{v}} + m \cdot \left(-1\right) \]
      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 89.4%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-189.4%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified89.4%

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

    if 1.4499999999999999e-238 < m < 6.1999999999999997e-217 or 6.79999999999999976e-209 < 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/82.7%

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      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 v around 0 55.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-*r/55.8%

        \[\leadsto \color{blue}{{m}^{2} \cdot \frac{1 - m}{v}} \]
      2. unpow255.8%

        \[\leadsto \color{blue}{\left(m \cdot m\right)} \cdot \frac{1 - m}{v} \]
    6. Simplified55.8%

      \[\leadsto \color{blue}{\left(m \cdot m\right) \cdot \frac{1 - m}{v}} \]
    7. Taylor expanded in m around 0 55.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow255.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
    9. Simplified55.4%

      \[\leadsto \color{blue}{\frac{m \cdot m}{v}} \]
    10. Step-by-step derivation
      1. associate-/l*69.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
      2. associate-/r/69.2%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
    11. Applied egg-rr69.2%

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

    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/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/100.0%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity100.0%

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

        \[\leadsto \color{blue}{{m}^{2} \cdot \frac{1 - m}{v}} \]
      2. unpow299.9%

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

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

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow20.1%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
    9. Simplified0.1%

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

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-v}} \]
      2. distribute-frac-neg0.1%

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

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      4. sqrt-unprod80.4%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      5. sqr-neg80.4%

        \[\leadsto -\frac{m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      6. sqrt-unprod77.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      7. add-sqr-sqrt77.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{v}} \]
      8. associate-/l*77.2%

        \[\leadsto -\color{blue}{\frac{m}{\frac{v}{m}}} \]
      9. div-inv77.2%

        \[\leadsto -\color{blue}{m \cdot \frac{1}{\frac{v}{m}}} \]
      10. clear-num77.2%

        \[\leadsto -m \cdot \color{blue}{\frac{m}{v}} \]
    11. Applied egg-rr77.2%

      \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification75.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.45 \cdot 10^{-238}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 6.2 \cdot 10^{-217}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{elif}\;m \leq 6.8 \cdot 10^{-209}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;m \cdot \frac{-m}{v}\\ \end{array} \]

Alternative 3: 99.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 4 \cdot 10^{-16}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\left(m \cdot m\right) \cdot \frac{1 - m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 4e-16) (* m (+ (/ m v) -1.0)) (* (* m m) (/ (- 1.0 m) v))))
double code(double m, double v) {
	double tmp;
	if (m <= 4e-16) {
		tmp = m * ((m / v) + -1.0);
	} 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 <= 4d-16) then
        tmp = m * ((m / v) + (-1.0d0))
    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 <= 4e-16) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = (m * m) * ((1.0 - m) / v);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 4e-16:
		tmp = m * ((m / v) + -1.0)
	else:
		tmp = (m * m) * ((1.0 - m) / v)
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 4e-16)
		tmp = Float64(m * Float64(Float64(m / v) + -1.0));
	else
		tmp = Float64(Float64(m * m) * Float64(Float64(1.0 - m) / v));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 4e-16)
		tmp = m * ((m / v) + -1.0);
	else
		tmp = (m * m) * ((1.0 - m) / v);
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 4e-16], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(m * m), $MachinePrecision] * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 4 \cdot 10^{-16}:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 3.9999999999999999e-16

    1. Initial program 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Taylor expanded in m around 0 99.8%

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

    if 3.9999999999999999e-16 < 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/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/100.0%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity100.0%

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

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-*r/99.6%

        \[\leadsto \color{blue}{{m}^{2} \cdot \frac{1 - m}{v}} \]
      2. unpow299.6%

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

      \[\leadsto \color{blue}{\left(m \cdot m\right) \cdot \frac{1 - m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 4 \cdot 10^{-16}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\left(m \cdot m\right) \cdot \frac{1 - m}{v}\\ \end{array} \]

Alternative 4: 99.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 10^{-27}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1e-27) (* m (+ (/ m v) -1.0)) (* (/ m v) (* m (- 1.0 m)))))
double code(double m, double v) {
	double tmp;
	if (m <= 1e-27) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = (m / v) * (m * (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 <= 1d-27) then
        tmp = m * ((m / v) + (-1.0d0))
    else
        tmp = (m / v) * (m * (1.0d0 - m))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1e-27) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = (m / v) * (m * (1.0 - m));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1e-27:
		tmp = m * ((m / v) + -1.0)
	else:
		tmp = (m / v) * (m * (1.0 - m))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1e-27)
		tmp = Float64(m * Float64(Float64(m / v) + -1.0));
	else
		tmp = Float64(Float64(m / v) * Float64(m * Float64(1.0 - m)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1e-27)
		tmp = m * ((m / v) + -1.0);
	else
		tmp = (m / v) * (m * (1.0 - m));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1e-27], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 10^{-27}:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1e-27

    1. Initial program 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Taylor expanded in m around 0 99.8%

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

    if 1e-27 < 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/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/100.0%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity100.0%

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

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*99.6%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow299.6%

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

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Step-by-step derivation
      1. associate-/r/99.6%

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

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

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

        \[\leadsto \color{blue}{m \cdot \frac{1 - m}{\frac{v}{m}}} \]
      5. div-inv99.6%

        \[\leadsto m \cdot \color{blue}{\left(\left(1 - m\right) \cdot \frac{1}{\frac{v}{m}}\right)} \]
      6. clear-num99.6%

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

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} \]
    8. Applied egg-rr99.6%

      \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 10^{-27}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right)\\ \end{array} \]

Alternative 5: 97.8% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(m \cdot \left(-m\right)\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.0) (* m (+ (/ m v) -1.0)) (* (/ m v) (* m (- m)))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = (m / v) * (m * -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 * ((m / v) + (-1.0d0))
    else
        tmp = (m / v) * (m * -m)
    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 / v) * (m * -m);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = m * ((m / v) + -1.0)
	else:
		tmp = (m / v) * (m * -m)
	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 / v) * Float64(m * Float64(-m)));
	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 / v) * (m * -m);
	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[(N[(m / v), $MachinePrecision] * N[(m * (-m)), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

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

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


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

    1. Initial program 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Taylor expanded in m around 0 99.1%

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

    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/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/100.0%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity100.0%

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

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow299.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified99.9%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around inf 97.4%

      \[\leadsto \frac{m \cdot m}{\color{blue}{-1 \cdot \frac{v}{m}}} \]
    8. Step-by-step derivation
      1. associate-*r/97.4%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-1 \cdot v}{m}}} \]
      2. neg-mul-197.4%

        \[\leadsto \frac{m \cdot m}{\frac{\color{blue}{-v}}{m}} \]
    9. Simplified97.4%

      \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-v}{m}}} \]
    10. Step-by-step derivation
      1. frac-2neg97.4%

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-\frac{-v}{m}}} \]
      2. div-inv97.4%

        \[\leadsto \color{blue}{\left(-m \cdot m\right) \cdot \frac{1}{-\frac{-v}{m}}} \]
      3. distribute-rgt-neg-in97.4%

        \[\leadsto \color{blue}{\left(m \cdot \left(-m\right)\right)} \cdot \frac{1}{-\frac{-v}{m}} \]
      4. distribute-frac-neg97.4%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \frac{1}{-\color{blue}{\left(-\frac{v}{m}\right)}} \]
      5. remove-double-neg97.4%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \frac{1}{\color{blue}{\frac{v}{m}}} \]
      6. clear-num97.4%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \color{blue}{\frac{m}{v}} \]
    11. Applied egg-rr97.4%

      \[\leadsto \color{blue}{\left(m \cdot \left(-m\right)\right) \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.2%

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

Alternative 6: 87.6% 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(m * Float64(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 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Taylor expanded in m around 0 99.1%

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

    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/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/100.0%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity100.0%

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

        \[\leadsto \color{blue}{{m}^{2} \cdot \frac{1 - m}{v}} \]
      2. unpow299.9%

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

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

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow20.1%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
    9. Simplified0.1%

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

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-v}} \]
      2. distribute-frac-neg0.1%

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

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      4. sqrt-unprod80.4%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      5. sqr-neg80.4%

        \[\leadsto -\frac{m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      6. sqrt-unprod77.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      7. add-sqr-sqrt77.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{v}} \]
      8. associate-/l*77.2%

        \[\leadsto -\color{blue}{\frac{m}{\frac{v}{m}}} \]
      9. div-inv77.2%

        \[\leadsto -\color{blue}{m \cdot \frac{1}{\frac{v}{m}}} \]
      10. clear-num77.2%

        \[\leadsto -m \cdot \color{blue}{\frac{m}{v}} \]
    11. Applied egg-rr77.2%

      \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification87.9%

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

Alternative 7: 36.0% accurate, 1.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 8 \cdot 10^{-106}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v) :precision binary64 (if (<= v 8e-106) (* m (/ m v)) (- m)))
double code(double m, double v) {
	double tmp;
	if (v <= 8e-106) {
		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 (v <= 8d-106) 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 (v <= 8e-106) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if v <= 8e-106:
		tmp = m * (m / v)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (v <= 8e-106)
		tmp = Float64(m * Float64(m / v));
	else
		tmp = Float64(-m);
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (v <= 8e-106)
		tmp = m * (m / v);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[v, 8e-106], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 8 \cdot 10^{-106}:\\
\;\;\;\;m \cdot \frac{m}{v}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 7.99999999999999953e-106

    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/88.9%

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      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 v around 0 78.5%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-*r/78.5%

        \[\leadsto \color{blue}{{m}^{2} \cdot \frac{1 - m}{v}} \]
      2. unpow278.5%

        \[\leadsto \color{blue}{\left(m \cdot m\right)} \cdot \frac{1 - m}{v} \]
    6. Simplified78.5%

      \[\leadsto \color{blue}{\left(m \cdot m\right) \cdot \frac{1 - m}{v}} \]
    7. Taylor expanded in m around 0 27.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow227.1%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
    9. Simplified27.1%

      \[\leadsto \color{blue}{\frac{m \cdot m}{v}} \]
    10. Step-by-step derivation
      1. associate-/l*35.2%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
      2. associate-/r/35.3%

        \[\leadsto \color{blue}{\frac{m}{v} \cdot m} \]
    11. Applied egg-rr35.3%

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

    if 7.99999999999999953e-106 < v

    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/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*99.9%

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      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 38.5%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-138.5%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified38.5%

      \[\leadsto \color{blue}{-m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification36.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 8 \cdot 10^{-106}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 8: 27.3% 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/92.2%

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

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

      \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
    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 21.7%

    \[\leadsto \color{blue}{-1 \cdot m} \]
  5. Step-by-step derivation
    1. neg-mul-121.7%

      \[\leadsto \color{blue}{-m} \]
  6. Simplified21.7%

    \[\leadsto \color{blue}{-m} \]
  7. Final simplification21.7%

    \[\leadsto -m \]

Reproduce

?
herbie shell --seed 2023214 
(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))