a parameter of renormalized beta distribution

Percentage Accurate: 99.8% → 99.2%
Time: 6.0s
Alternatives: 10
Speedup: 1.0×

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 10 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: 99.2% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 6.3 \cdot 10^{-46}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{\frac{\frac{v}{1 - m}}{m}}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 6.3e-46) (* m (+ (/ m v) -1.0)) (/ m (/ (/ v (- 1.0 m)) m))))
double code(double m, double v) {
	double tmp;
	if (m <= 6.3e-46) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = m / ((v / (1.0 - 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 <= 6.3d-46) then
        tmp = m * ((m / v) + (-1.0d0))
    else
        tmp = m / ((v / (1.0d0 - m)) / m)
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 6.3e-46) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = m / ((v / (1.0 - m)) / m);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 6.3e-46:
		tmp = m * ((m / v) + -1.0)
	else:
		tmp = m / ((v / (1.0 - m)) / m)
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 6.3e-46)
		tmp = Float64(m * Float64(Float64(m / v) + -1.0));
	else
		tmp = Float64(m / Float64(Float64(v / Float64(1.0 - m)) / m));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 6.3e-46)
		tmp = m * ((m / v) + -1.0);
	else
		tmp = m / ((v / (1.0 - m)) / m);
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 6.3e-46], N[(m * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(m / N[(N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / m), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 6.3 \cdot 10^{-46}:\\
\;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 6.30000000000000001e-46

    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 6.30000000000000001e-46 < 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. associate-*r/99.8%

        \[\leadsto m \cdot \left(\color{blue}{m \cdot \frac{1 - m}{v}} + \left(-1\right)\right) \]
      4. fma-def99.8%

        \[\leadsto m \cdot \color{blue}{\mathsf{fma}\left(m, \frac{1 - m}{v}, -1\right)} \]
      5. metadata-eval99.8%

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

      \[\leadsto \color{blue}{m \cdot \mathsf{fma}\left(m, \frac{1 - m}{v}, -1\right)} \]
    4. Step-by-step derivation
      1. metadata-eval99.8%

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{1 - m}{\frac{v}{m}}} - 1\right) \]
    5. Applied egg-rr99.9%

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

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    7. Step-by-step derivation
      1. unpow299.9%

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

        \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
      3. associate-/l*99.9%

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

      \[\leadsto \color{blue}{\frac{m}{\frac{\frac{v}{1 - m}}{m}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 6.3 \cdot 10^{-46}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{\frac{\frac{v}{1 - m}}{m}}\\ \end{array} \]

Alternative 2: 74.1% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 5.5 \cdot 10^{-205}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1.8 \cdot 10^{-195}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{elif}\;m \leq 1.5 \cdot 10^{-160}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;m \cdot \frac{-m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 5.5e-205)
   (- m)
   (if (<= m 1.8e-195)
     (/ m (/ v m))
     (if (<= m 1.5e-160)
       (- m)
       (if (<= m 1.0) (* m (/ m v)) (* m (/ (- m) v)))))))
double code(double m, double v) {
	double tmp;
	if (m <= 5.5e-205) {
		tmp = -m;
	} else if (m <= 1.8e-195) {
		tmp = m / (v / m);
	} else if (m <= 1.5e-160) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m * (m / v);
	} 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 <= 5.5d-205) then
        tmp = -m
    else if (m <= 1.8d-195) then
        tmp = m / (v / m)
    else if (m <= 1.5d-160) then
        tmp = -m
    else if (m <= 1.0d0) then
        tmp = m * (m / v)
    else
        tmp = m * (-m / v)
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 5.5e-205) {
		tmp = -m;
	} else if (m <= 1.8e-195) {
		tmp = m / (v / m);
	} else if (m <= 1.5e-160) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m * (m / v);
	} else {
		tmp = m * (-m / v);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 5.5e-205:
		tmp = -m
	elif m <= 1.8e-195:
		tmp = m / (v / m)
	elif m <= 1.5e-160:
		tmp = -m
	elif m <= 1.0:
		tmp = m * (m / v)
	else:
		tmp = m * (-m / v)
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 5.5e-205)
		tmp = Float64(-m);
	elseif (m <= 1.8e-195)
		tmp = Float64(m / Float64(v / m));
	elseif (m <= 1.5e-160)
		tmp = Float64(-m);
	elseif (m <= 1.0)
		tmp = Float64(m * Float64(m / v));
	else
		tmp = Float64(m * Float64(Float64(-m) / v));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 5.5e-205)
		tmp = -m;
	elseif (m <= 1.8e-195)
		tmp = m / (v / m);
	elseif (m <= 1.5e-160)
		tmp = -m;
	elseif (m <= 1.0)
		tmp = m * (m / v);
	else
		tmp = m * (-m / v);
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 5.5e-205], (-m), If[LessEqual[m, 1.8e-195], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 1.5e-160], (-m), If[LessEqual[m, 1.0], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], N[(m * N[((-m) / v), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 5.5 \cdot 10^{-205}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 1.8 \cdot 10^{-195}:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\

\mathbf{elif}\;m \leq 1.5 \cdot 10^{-160}:\\
\;\;\;\;-m\\

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if m < 5.4999999999999996e-205 or 1.8e-195 < m < 1.49999999999999998e-160

    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/77.8%

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

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      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 77.8%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-177.8%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified77.8%

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

    if 5.4999999999999996e-205 < m < 1.8e-195

    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-in99.4%

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

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/3.4%

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

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      7. *-lft-identity99.4%

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \frac{\color{blue}{1 \cdot m}}{v} + m \cdot \left(-1\right) \]
      8. associate-*l/99.4%

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

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

        \[\leadsto \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m + \color{blue}{\left(-1\right) \cdot m} \]
      11. distribute-rgt-out99.4%

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      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 4.5%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*4.5%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow24.5%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified4.5%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 4.5%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow24.5%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/99.2%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified99.2%

      \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    10. Taylor expanded in m around 0 4.5%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    11. Step-by-step derivation
      1. unpow24.5%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-/l*99.4%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Simplified99.4%

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

    if 1.49999999999999998e-160 < 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-in99.8%

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

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/98.7%

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

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

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      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. Taylor expanded in v around 0 64.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*64.9%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow264.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified64.9%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 63.8%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow263.8%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/64.9%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified64.9%

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

    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/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/99.8%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 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 0 0.1%

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/0.1%

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

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

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-/l*0.1%

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

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    13. Step-by-step derivation
      1. div-inv0.1%

        \[\leadsto \color{blue}{m \cdot \frac{1}{\frac{v}{m}}} \]
      2. add-sqr-sqrt0.1%

        \[\leadsto \color{blue}{\left(\sqrt{m} \cdot \sqrt{m}\right)} \cdot \frac{1}{\frac{v}{m}} \]
      3. sqrt-prod0.1%

        \[\leadsto \color{blue}{\sqrt{m \cdot m}} \cdot \frac{1}{\frac{v}{m}} \]
      4. sqr-neg0.1%

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

        \[\leadsto \color{blue}{\left(\sqrt{-m} \cdot \sqrt{-m}\right)} \cdot \frac{1}{\frac{v}{m}} \]
      6. add-sqr-sqrt72.4%

        \[\leadsto \color{blue}{\left(-m\right)} \cdot \frac{1}{\frac{v}{m}} \]
      7. clear-num72.4%

        \[\leadsto \left(-m\right) \cdot \color{blue}{\frac{m}{v}} \]
      8. distribute-lft-neg-out72.4%

        \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
    14. Applied egg-rr72.4%

      \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification72.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 5.5 \cdot 10^{-205}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1.8 \cdot 10^{-195}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{elif}\;m \leq 1.5 \cdot 10^{-160}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;m \cdot \frac{-m}{v}\\ \end{array} \]

Alternative 3: 36.6% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 1.8 \cdot 10^{-204} \lor \neg \left(v \leq 4.2 \cdot 10^{-129}\right) \land v \leq 3.8 \cdot 10^{-116}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (or (<= v 1.8e-204) (and (not (<= v 4.2e-129)) (<= v 3.8e-116)))
   (* m (/ m v))
   (- m)))
double code(double m, double v) {
	double tmp;
	if ((v <= 1.8e-204) || (!(v <= 4.2e-129) && (v <= 3.8e-116))) {
		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 <= 1.8d-204) .or. (.not. (v <= 4.2d-129)) .and. (v <= 3.8d-116)) 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 <= 1.8e-204) || (!(v <= 4.2e-129) && (v <= 3.8e-116))) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if (v <= 1.8e-204) or (not (v <= 4.2e-129) and (v <= 3.8e-116)):
		tmp = m * (m / v)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if ((v <= 1.8e-204) || (!(v <= 4.2e-129) && (v <= 3.8e-116)))
		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 <= 1.8e-204) || (~((v <= 4.2e-129)) && (v <= 3.8e-116)))
		tmp = m * (m / v);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[Or[LessEqual[v, 1.8e-204], And[N[Not[LessEqual[v, 4.2e-129]], $MachinePrecision], LessEqual[v, 3.8e-116]]], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 1.8 \cdot 10^{-204} \lor \neg \left(v \leq 4.2 \cdot 10^{-129}\right) \land v \leq 3.8 \cdot 10^{-116}:\\
\;\;\;\;m \cdot \frac{m}{v}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 1.79999999999999982e-204 or 4.2e-129 < v < 3.8000000000000001e-116

    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/79.5%

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

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      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 v around 0 71.6%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*71.6%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow271.6%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified71.6%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 25.7%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow225.7%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/42.9%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified42.9%

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

    if 1.79999999999999982e-204 < v < 4.2e-129 or 3.8000000000000001e-116 < 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/99.3%

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 40.4%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-140.4%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified40.4%

      \[\leadsto \color{blue}{-m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification41.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 1.8 \cdot 10^{-204} \lor \neg \left(v \leq 4.2 \cdot 10^{-129}\right) \land v \leq 3.8 \cdot 10^{-116}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 4: 36.4% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 2.2 \cdot 10^{-204}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{elif}\;v \leq 1.75 \cdot 10^{-128}:\\ \;\;\;\;-m\\ \mathbf{elif}\;v \leq 3.7 \cdot 10^{-112}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= v 2.2e-204)
   (* m (/ m v))
   (if (<= v 1.75e-128) (- m) (if (<= v 3.7e-112) (/ m (/ v m)) (- m)))))
double code(double m, double v) {
	double tmp;
	if (v <= 2.2e-204) {
		tmp = m * (m / v);
	} else if (v <= 1.75e-128) {
		tmp = -m;
	} else if (v <= 3.7e-112) {
		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 (v <= 2.2d-204) then
        tmp = m * (m / v)
    else if (v <= 1.75d-128) then
        tmp = -m
    else if (v <= 3.7d-112) 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 (v <= 2.2e-204) {
		tmp = m * (m / v);
	} else if (v <= 1.75e-128) {
		tmp = -m;
	} else if (v <= 3.7e-112) {
		tmp = m / (v / m);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if v <= 2.2e-204:
		tmp = m * (m / v)
	elif v <= 1.75e-128:
		tmp = -m
	elif v <= 3.7e-112:
		tmp = m / (v / m)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (v <= 2.2e-204)
		tmp = Float64(m * Float64(m / v));
	elseif (v <= 1.75e-128)
		tmp = Float64(-m);
	elseif (v <= 3.7e-112)
		tmp = Float64(m / Float64(v / m));
	else
		tmp = Float64(-m);
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (v <= 2.2e-204)
		tmp = m * (m / v);
	elseif (v <= 1.75e-128)
		tmp = -m;
	elseif (v <= 3.7e-112)
		tmp = m / (v / m);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[v, 2.2e-204], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], If[LessEqual[v, 1.75e-128], (-m), If[LessEqual[v, 3.7e-112], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], (-m)]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 2.2 \cdot 10^{-204}:\\
\;\;\;\;m \cdot \frac{m}{v}\\

\mathbf{elif}\;v \leq 1.75 \cdot 10^{-128}:\\
\;\;\;\;-m\\

\mathbf{elif}\;v \leq 3.7 \cdot 10^{-112}:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if v < 2.1999999999999998e-204

    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/75.4%

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      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 70.2%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*70.2%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow270.2%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified70.2%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 22.6%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow222.6%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/43.3%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified43.3%

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

    if 2.1999999999999998e-204 < v < 1.75e-128 or 3.6999999999999998e-112 < 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/99.3%

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 40.8%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-140.8%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified40.8%

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

    if 1.75e-128 < v < 3.6999999999999998e-112

    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/99.8%

        \[\leadsto \color{blue}{\left(m \cdot \left(1 - m\right)\right) \cdot \frac{m}{v}} + m \cdot \left(-1\right) \]
      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 v around 0 78.4%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*78.3%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow278.3%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified78.3%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 38.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow238.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/38.3%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified38.3%

      \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    10. Taylor expanded in m around 0 38.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    11. Step-by-step derivation
      1. unpow238.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-/l*38.4%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Simplified38.4%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification41.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 2.2 \cdot 10^{-204}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{elif}\;v \leq 1.75 \cdot 10^{-128}:\\ \;\;\;\;-m\\ \mathbf{elif}\;v \leq 3.7 \cdot 10^{-112}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 5: 99.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 6.3 \cdot 10^{-46}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\left(m \cdot m\right) \cdot \frac{1 - m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 6.3e-46) (* m (+ (/ m v) -1.0)) (* (* m m) (/ (- 1.0 m) v))))
double code(double m, double v) {
	double tmp;
	if (m <= 6.3e-46) {
		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 <= 6.3d-46) 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 <= 6.3e-46) {
		tmp = m * ((m / v) + -1.0);
	} else {
		tmp = (m * m) * ((1.0 - m) / v);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 6.3e-46:
		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 <= 6.3e-46)
		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 <= 6.3e-46)
		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, 6.3e-46], 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 6.3 \cdot 10^{-46}:\\
\;\;\;\;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 < 6.30000000000000001e-46

    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 6.30000000000000001e-46 < 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/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/99.9%

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

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

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. unpow299.9%

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

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

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

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

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

      \[\leadsto \color{blue}{\left(m \cdot m\right) \cdot \frac{1 - m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 6.3 \cdot 10^{-46}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\left(m \cdot m\right) \cdot \frac{1 - m}{v}\\ \end{array} \]

Alternative 6: 99.8% accurate, 1.0× speedup?

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

\\
m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} + -1\right)
\end{array}
Derivation
  1. Initial program 99.9%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
  2. Final simplification99.9%

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

Alternative 7: 99.8% accurate, 1.0× speedup?

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

\\
m \cdot \left(\left(1 - m\right) \cdot \frac{m}{v} + -1\right)
\end{array}
Derivation
  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-in99.8%

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

      \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
    5. associate-*l/91.8%

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

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

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

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

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

Alternative 8: 97.7% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1:\\ \;\;\;\;m \cdot \left(\frac{m}{v} + -1\right)\\ \mathbf{else}:\\ \;\;\;\;\left(m \cdot m\right) \cdot \frac{-m}{v}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.0) (* m (+ (/ m v) -1.0)) (* (* m 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) * (-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) * (-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) * (-m / v);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = m * ((m / v) + -1.0)
	else:
		tmp = (m * 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 * 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) * (-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[(N[(m * m), $MachinePrecision] * 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}:\\
\;\;\;\;\left(m \cdot m\right) \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 99.3%

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

    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/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/99.8%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 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 98.2%

      \[\leadsto \frac{m \cdot m}{\color{blue}{-1 \cdot \frac{v}{m}}} \]
    8. Step-by-step derivation
      1. associate-*r/98.2%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-1 \cdot v}{m}}} \]
      2. neg-mul-198.2%

        \[\leadsto \frac{m \cdot m}{\frac{\color{blue}{-v}}{m}} \]
    9. Simplified98.2%

      \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-v}{m}}} \]
    10. Step-by-step derivation
      1. frac-2neg98.2%

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-\frac{-v}{m}}} \]
      2. div-inv98.2%

        \[\leadsto \color{blue}{\left(-m \cdot m\right) \cdot \frac{1}{-\frac{-v}{m}}} \]
      3. distribute-rgt-neg-in98.2%

        \[\leadsto \color{blue}{\left(m \cdot \left(-m\right)\right)} \cdot \frac{1}{-\frac{-v}{m}} \]
      4. distribute-frac-neg98.2%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \frac{1}{-\color{blue}{\left(-\frac{v}{m}\right)}} \]
      5. remove-double-neg98.2%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \frac{1}{\color{blue}{\frac{v}{m}}} \]
      6. clear-num98.2%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \color{blue}{\frac{m}{v}} \]
    11. Applied egg-rr98.2%

      \[\leadsto \color{blue}{\left(m \cdot \left(-m\right)\right) \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.8%

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

Alternative 9: 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 99.3%

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

    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/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/99.8%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 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 0 0.1%

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/0.1%

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

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

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-/l*0.1%

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

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    13. Step-by-step derivation
      1. div-inv0.1%

        \[\leadsto \color{blue}{m \cdot \frac{1}{\frac{v}{m}}} \]
      2. add-sqr-sqrt0.1%

        \[\leadsto \color{blue}{\left(\sqrt{m} \cdot \sqrt{m}\right)} \cdot \frac{1}{\frac{v}{m}} \]
      3. sqrt-prod0.1%

        \[\leadsto \color{blue}{\sqrt{m \cdot m}} \cdot \frac{1}{\frac{v}{m}} \]
      4. sqr-neg0.1%

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

        \[\leadsto \color{blue}{\left(\sqrt{-m} \cdot \sqrt{-m}\right)} \cdot \frac{1}{\frac{v}{m}} \]
      6. add-sqr-sqrt72.4%

        \[\leadsto \color{blue}{\left(-m\right)} \cdot \frac{1}{\frac{v}{m}} \]
      7. clear-num72.4%

        \[\leadsto \left(-m\right) \cdot \color{blue}{\frac{m}{v}} \]
      8. distribute-lft-neg-out72.4%

        \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
    14. Applied egg-rr72.4%

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

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

Alternative 10: 27.6% 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 99.9%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
  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-in99.8%

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

      \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
    5. associate-*l/91.8%

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

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

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

      \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
    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 29.2%

    \[\leadsto \color{blue}{-1 \cdot m} \]
  5. Step-by-step derivation
    1. neg-mul-129.2%

      \[\leadsto \color{blue}{-m} \]
  6. Simplified29.2%

    \[\leadsto \color{blue}{-m} \]
  7. Final simplification29.2%

    \[\leadsto -m \]

Reproduce

?
herbie shell --seed 2023238 
(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))