a parameter of renormalized beta distribution

Percentage Accurate: 99.8% → 99.8%
Time: 6.3s
Alternatives: 10
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 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: 99.8% 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/94.1%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Alternative 2: 74.4% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.7 \cdot 10^{-154}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 2.8 \cdot 10^{-128}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{elif}\;m \leq 1.95 \cdot 10^{-118}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(-m\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2.7e-154)
   (- m)
   (if (<= m 2.8e-128)
     (* m (/ m v))
     (if (<= m 1.95e-118)
       (- m)
       (if (<= m 1.0) (/ m (/ v m)) (* (/ m v) (- m)))))))
double code(double m, double v) {
	double tmp;
	if (m <= 2.7e-154) {
		tmp = -m;
	} else if (m <= 2.8e-128) {
		tmp = m * (m / v);
	} else if (m <= 1.95e-118) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m / (v / m);
	} else {
		tmp = (m / v) * -m;
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 2.7d-154) then
        tmp = -m
    else if (m <= 2.8d-128) then
        tmp = m * (m / v)
    else if (m <= 1.95d-118) then
        tmp = -m
    else if (m <= 1.0d0) then
        tmp = m / (v / m)
    else
        tmp = (m / v) * -m
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.7e-154) {
		tmp = -m;
	} else if (m <= 2.8e-128) {
		tmp = m * (m / v);
	} else if (m <= 1.95e-118) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m / (v / m);
	} else {
		tmp = (m / v) * -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.7e-154:
		tmp = -m
	elif m <= 2.8e-128:
		tmp = m * (m / v)
	elif m <= 1.95e-118:
		tmp = -m
	elif m <= 1.0:
		tmp = m / (v / m)
	else:
		tmp = (m / v) * -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.7e-154)
		tmp = Float64(-m);
	elseif (m <= 2.8e-128)
		tmp = Float64(m * Float64(m / v));
	elseif (m <= 1.95e-118)
		tmp = Float64(-m);
	elseif (m <= 1.0)
		tmp = Float64(m / Float64(v / m));
	else
		tmp = Float64(Float64(m / v) * Float64(-m));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.7e-154)
		tmp = -m;
	elseif (m <= 2.8e-128)
		tmp = m * (m / v);
	elseif (m <= 1.95e-118)
		tmp = -m;
	elseif (m <= 1.0)
		tmp = m / (v / m);
	else
		tmp = (m / v) * -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.7e-154], (-m), If[LessEqual[m, 2.8e-128], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 1.95e-118], (-m), If[LessEqual[m, 1.0], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * (-m)), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.7 \cdot 10^{-154}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 2.8 \cdot 10^{-128}:\\
\;\;\;\;m \cdot \frac{m}{v}\\

\mathbf{elif}\;m \leq 1.95 \cdot 10^{-118}:\\
\;\;\;\;-m\\

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 4 regimes
  2. if m < 2.69999999999999989e-154 or 2.7999999999999998e-128 < m < 1.95e-118

    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/80.9%

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 78.1%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-178.1%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified78.1%

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

    if 2.69999999999999989e-154 < m < 2.7999999999999998e-128

    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/99.7%

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{\left(m \cdot \left(1 - m\right)\right) \cdot 1}{v}} + \left(-1\right)\right) \]
      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 68.9%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. unpow268.9%

        \[\leadsto \frac{\color{blue}{\left(m \cdot m\right)} \cdot \left(1 - m\right)}{v} \]
      2. sqr-neg68.9%

        \[\leadsto \frac{\color{blue}{\left(\left(-m\right) \cdot \left(-m\right)\right)} \cdot \left(1 - m\right)}{v} \]
      3. associate-/l*68.9%

        \[\leadsto \color{blue}{\frac{\left(-m\right) \cdot \left(-m\right)}{\frac{v}{1 - m}}} \]
      4. sqr-neg68.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified68.9%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 68.9%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow268.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/69.0%

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

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

    if 1.95e-118 < m < 1

    1. Initial program 99.5%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval99.5%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified99.5%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    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. unpow278.4%

        \[\leadsto \frac{\color{blue}{\left(m \cdot m\right)} \cdot \left(1 - m\right)}{v} \]
      2. sqr-neg78.4%

        \[\leadsto \frac{\color{blue}{\left(\left(-m\right) \cdot \left(-m\right)\right)} \cdot \left(1 - m\right)}{v} \]
      3. associate-/l*78.4%

        \[\leadsto \color{blue}{\frac{\left(-m\right) \cdot \left(-m\right)}{\frac{v}{1 - m}}} \]
      4. sqr-neg78.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified78.4%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 73.3%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow273.3%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/73.1%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified73.1%

      \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    10. Step-by-step derivation
      1. clear-num73.2%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv73.4%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr73.4%

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

    if 1 < m

    1. Initial program 99.9%

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified100.0%

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

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

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    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. Step-by-step derivation
      1. clear-num0.1%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv0.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr0.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Step-by-step derivation
      1. associate-/l*0.1%

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

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

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

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      5. sqrt-unprod77.8%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      6. sqr-neg77.8%

        \[\leadsto -\frac{m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      7. sqrt-unprod74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      8. add-sqr-sqrt74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{v}} \]
      9. associate-*l/74.2%

        \[\leadsto -\color{blue}{\frac{m}{v} \cdot m} \]
      10. *-commutative74.2%

        \[\leadsto -\color{blue}{m \cdot \frac{m}{v}} \]
    13. Applied egg-rr74.2%

      \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification75.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.7 \cdot 10^{-154}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 2.8 \cdot 10^{-128}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{elif}\;m \leq 1.95 \cdot 10^{-118}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(-m\right)\\ \end{array} \]

Alternative 3: 99.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.55 \cdot 10^{-14}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \frac{m}{\frac{v}{1 - m}}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2.55e-14) (- (/ m (/ v m)) m) (* m (/ m (/ v (- 1.0 m))))))
double code(double m, double v) {
	double tmp;
	if (m <= 2.55e-14) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = m * (m / (v / (1.0 - m)));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 2.55d-14) then
        tmp = (m / (v / m)) - m
    else
        tmp = m * (m / (v / (1.0d0 - m)))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.55e-14) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = m * (m / (v / (1.0 - m)));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.55e-14:
		tmp = (m / (v / m)) - m
	else:
		tmp = m * (m / (v / (1.0 - m)))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.55e-14)
		tmp = Float64(Float64(m / Float64(v / m)) - m);
	else
		tmp = Float64(m * Float64(m / Float64(v / Float64(1.0 - m))));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.55e-14)
		tmp = (m / (v / m)) - m;
	else
		tmp = m * (m / (v / (1.0 - m)));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.55e-14], N[(N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(m * N[(m / N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.55 \cdot 10^{-14}:\\
\;\;\;\;\frac{m}{\frac{v}{m}} - m\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.5499999999999999e-14

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. associate-*r/99.7%

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

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

      \[\leadsto \left(\color{blue}{\frac{1 - m}{v} \cdot m} - 1\right) \cdot m \]
    4. Taylor expanded in m around 0 88.4%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    5. Step-by-step derivation
      1. mul-1-neg88.4%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative88.4%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow288.4%

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

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

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

      \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
    7. Step-by-step derivation
      1. clear-num42.4%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv42.5%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    8. Applied egg-rr99.8%

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

    if 2.5499999999999999e-14 < 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/99.9%

        \[\leadsto m \cdot \left(\color{blue}{m \cdot \frac{1 - m}{v}} + \left(-1\right)\right) \]
      4. fma-def99.9%

        \[\leadsto m \cdot \color{blue}{\mathsf{fma}\left(m, \frac{1 - m}{v}, -1\right)} \]
      5. metadata-eval99.9%

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

      \[\leadsto \color{blue}{m \cdot \mathsf{fma}\left(m, \frac{1 - m}{v}, -1\right)} \]
    4. Step-by-step derivation
      1. metadata-eval99.9%

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

        \[\leadsto m \cdot \color{blue}{\left(m \cdot \frac{1 - m}{v} - 1\right)} \]
      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 m around inf 30.9%

      \[\leadsto \color{blue}{-1 \cdot \frac{{m}^{3}}{v} + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. +-commutative30.9%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + -1 \cdot \frac{{m}^{3}}{v}} \]
      2. unpow230.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + -1 \cdot \frac{{m}^{3}}{v} \]
      3. associate-/l*30.9%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} + -1 \cdot \frac{{m}^{3}}{v} \]
      4. mul-1-neg30.9%

        \[\leadsto \frac{m}{\frac{v}{m}} + \color{blue}{\left(-\frac{{m}^{3}}{v}\right)} \]
      5. unsub-neg30.9%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}} - \frac{{m}^{3}}{v}} \]
      6. associate-/l*30.9%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - \frac{{m}^{3}}{v} \]
      7. *-lft-identity30.9%

        \[\leadsto \frac{\color{blue}{1 \cdot \left(m \cdot m\right)}}{v} - \frac{{m}^{3}}{v} \]
      8. associate-*l/30.9%

        \[\leadsto \color{blue}{\frac{1}{v} \cdot \left(m \cdot m\right)} - \frac{{m}^{3}}{v} \]
      9. associate-/r/30.9%

        \[\leadsto \color{blue}{\frac{1}{\frac{v}{m \cdot m}}} - \frac{{m}^{3}}{v} \]
      10. cube-mult30.9%

        \[\leadsto \frac{1}{\frac{v}{m \cdot m}} - \frac{\color{blue}{m \cdot \left(m \cdot m\right)}}{v} \]
      11. associate-/l*30.9%

        \[\leadsto \frac{1}{\frac{v}{m \cdot m}} - \color{blue}{\frac{m}{\frac{v}{m \cdot m}}} \]
      12. div-sub99.1%

        \[\leadsto \color{blue}{\frac{1 - m}{\frac{v}{m \cdot m}}} \]
      13. associate-/l*99.1%

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

        \[\leadsto \frac{\color{blue}{\left(m \cdot m\right) \cdot \left(1 - m\right)}}{v} \]
      15. associate-*l*99.1%

        \[\leadsto \frac{\color{blue}{m \cdot \left(m \cdot \left(1 - m\right)\right)}}{v} \]
      16. associate-*r/99.1%

        \[\leadsto \color{blue}{m \cdot \frac{m \cdot \left(1 - m\right)}{v}} \]
      17. associate-/l*99.1%

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

      \[\leadsto \color{blue}{m \cdot \frac{m}{\frac{v}{1 - m}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification99.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.55 \cdot 10^{-14}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \frac{m}{\frac{v}{1 - m}}\\ \end{array} \]

Alternative 4: 97.8% accurate, 1.1× speedup?

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

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

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


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

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. associate-*r/99.7%

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

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

      \[\leadsto \left(\color{blue}{\frac{1 - m}{v} \cdot m} - 1\right) \cdot m \]
    4. Taylor expanded in m around 0 87.0%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    5. Step-by-step derivation
      1. mul-1-neg87.0%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative87.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow287.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-*r/97.8%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} + \left(-m\right) \]
      5. unsub-neg97.8%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
    6. Simplified97.8%

      \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
    7. Step-by-step derivation
      1. clear-num42.5%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv42.6%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    8. Applied egg-rr97.9%

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

    if 1 < m

    1. Initial program 99.9%

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified100.0%

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

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

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

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

      \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-v}{m}}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification98.0%

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

Alternative 5: 87.5% accurate, 1.2× speedup?

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


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

    1. Initial program 99.7%

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{m \cdot \frac{1 - m}{v}} + \left(-1\right)\right) \]
      4. fma-def99.7%

        \[\leadsto m \cdot \color{blue}{\mathsf{fma}\left(m, \frac{1 - m}{v}, -1\right)} \]
      5. metadata-eval99.7%

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

      \[\leadsto \color{blue}{m \cdot \mathsf{fma}\left(m, \frac{1 - m}{v}, -1\right)} \]
    4. Taylor expanded in m around 0 97.8%

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

    if 1 < m

    1. Initial program 99.9%

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified100.0%

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

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

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    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. Step-by-step derivation
      1. clear-num0.1%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv0.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr0.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Step-by-step derivation
      1. associate-/l*0.1%

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

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

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

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      5. sqrt-unprod77.8%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      6. sqr-neg77.8%

        \[\leadsto -\frac{m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      7. sqrt-unprod74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      8. add-sqr-sqrt74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{v}} \]
      9. associate-*l/74.2%

        \[\leadsto -\color{blue}{\frac{m}{v} \cdot m} \]
      10. *-commutative74.2%

        \[\leadsto -\color{blue}{m \cdot \frac{m}{v}} \]
    13. Applied egg-rr74.2%

      \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.7%

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

Alternative 6: 87.5% accurate, 1.2× speedup?

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

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

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


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

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. associate-*r/99.7%

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

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

      \[\leadsto \left(\color{blue}{\frac{1 - m}{v} \cdot m} - 1\right) \cdot m \]
    4. Taylor expanded in m around 0 87.0%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    5. Step-by-step derivation
      1. mul-1-neg87.0%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative87.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow287.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-*r/97.8%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} + \left(-m\right) \]
      5. unsub-neg97.8%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
    6. Simplified97.8%

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

    if 1 < m

    1. Initial program 99.9%

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified100.0%

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

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

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    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. Step-by-step derivation
      1. clear-num0.1%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv0.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr0.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Step-by-step derivation
      1. associate-/l*0.1%

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

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

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

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      5. sqrt-unprod77.8%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      6. sqr-neg77.8%

        \[\leadsto -\frac{m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      7. sqrt-unprod74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      8. add-sqr-sqrt74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{v}} \]
      9. associate-*l/74.2%

        \[\leadsto -\color{blue}{\frac{m}{v} \cdot m} \]
      10. *-commutative74.2%

        \[\leadsto -\color{blue}{m \cdot \frac{m}{v}} \]
    13. Applied egg-rr74.2%

      \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.7%

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

Alternative 7: 87.5% accurate, 1.2× speedup?

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

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

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


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

    1. Initial program 99.7%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. associate-*r/99.7%

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

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

      \[\leadsto \left(\color{blue}{\frac{1 - m}{v} \cdot m} - 1\right) \cdot m \]
    4. Taylor expanded in m around 0 87.0%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    5. Step-by-step derivation
      1. mul-1-neg87.0%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative87.0%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow287.0%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-*r/97.8%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} + \left(-m\right) \]
      5. unsub-neg97.8%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
    6. Simplified97.8%

      \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
    7. Step-by-step derivation
      1. clear-num42.5%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv42.6%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    8. Applied egg-rr97.9%

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

    if 1 < m

    1. Initial program 99.9%

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      16. metadata-eval100.0%

        \[\leadsto m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + \color{blue}{-1}\right) \]
    3. Simplified100.0%

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

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

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

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    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. Step-by-step derivation
      1. clear-num0.1%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv0.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr0.1%

      \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Step-by-step derivation
      1. associate-/l*0.1%

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

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

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

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      5. sqrt-unprod77.8%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \]
      6. sqr-neg77.8%

        \[\leadsto -\frac{m \cdot m}{\sqrt{\color{blue}{v \cdot v}}} \]
      7. sqrt-unprod74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      8. add-sqr-sqrt74.2%

        \[\leadsto -\frac{m \cdot m}{\color{blue}{v}} \]
      9. associate-*l/74.2%

        \[\leadsto -\color{blue}{\frac{m}{v} \cdot m} \]
      10. *-commutative74.2%

        \[\leadsto -\color{blue}{m \cdot \frac{m}{v}} \]
    13. Applied egg-rr74.2%

      \[\leadsto \color{blue}{-m \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.8%

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

Alternative 8: 36.5% accurate, 1.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 6.6 \cdot 10^{-198}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v) :precision binary64 (if (<= v 6.6e-198) (* m (/ m v)) (- m)))
double code(double m, double v) {
	double tmp;
	if (v <= 6.6e-198) {
		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 <= 6.6d-198) 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 <= 6.6e-198) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if v <= 6.6e-198:
		tmp = m * (m / v)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (v <= 6.6e-198)
		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 <= 6.6e-198)
		tmp = m * (m / v);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[v, 6.6e-198], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 6.6 \cdot 10^{-198}:\\
\;\;\;\;m \cdot \frac{m}{v}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 6.6000000000000001e-198

    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/86.9%

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

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

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

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

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

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 83.1%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. unpow283.1%

        \[\leadsto \frac{\color{blue}{\left(m \cdot m\right)} \cdot \left(1 - m\right)}{v} \]
      2. sqr-neg83.1%

        \[\leadsto \frac{\color{blue}{\left(\left(-m\right) \cdot \left(-m\right)\right)} \cdot \left(1 - m\right)}{v} \]
      3. associate-/l*83.1%

        \[\leadsto \color{blue}{\frac{\left(-m\right) \cdot \left(-m\right)}{\frac{v}{1 - m}}} \]
      4. sqr-neg83.1%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified83.1%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 34.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow234.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/43.0%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified43.0%

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

    if 6.6000000000000001e-198 < 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/98.2%

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

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      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 44.5%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-144.5%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified44.5%

      \[\leadsto \color{blue}{-m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification44.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 6.6 \cdot 10^{-198}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 9: 36.5% accurate, 1.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 2.2 \cdot 10^{-196}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v) :precision binary64 (if (<= v 2.2e-196) (/ m (/ v m)) (- m)))
double code(double m, double v) {
	double tmp;
	if (v <= 2.2e-196) {
		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-196) 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-196) {
		tmp = m / (v / m);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if v <= 2.2e-196:
		tmp = m / (v / m)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (v <= 2.2e-196)
		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-196)
		tmp = m / (v / m);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[v, 2.2e-196], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 2.2 \cdot 10^{-196}:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 2.20000000000000015e-196

    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/86.9%

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

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

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

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

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

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 83.1%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. unpow283.1%

        \[\leadsto \frac{\color{blue}{\left(m \cdot m\right)} \cdot \left(1 - m\right)}{v} \]
      2. sqr-neg83.1%

        \[\leadsto \frac{\color{blue}{\left(\left(-m\right) \cdot \left(-m\right)\right)} \cdot \left(1 - m\right)}{v} \]
      3. associate-/l*83.1%

        \[\leadsto \color{blue}{\frac{\left(-m\right) \cdot \left(-m\right)}{\frac{v}{1 - m}}} \]
      4. sqr-neg83.1%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified83.1%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 34.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow234.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/43.0%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified43.0%

      \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    10. Step-by-step derivation
      1. clear-num43.0%

        \[\leadsto m \cdot \color{blue}{\frac{1}{\frac{v}{m}}} \]
      2. div-inv43.1%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    11. Applied egg-rr43.1%

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

    if 2.20000000000000015e-196 < 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/98.2%

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

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      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 44.5%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-144.5%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified44.5%

      \[\leadsto \color{blue}{-m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification44.0%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 2.2 \cdot 10^{-196}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 10: 26.6% 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 99.8%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
  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/94.1%

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

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

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

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

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

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

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

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

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

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

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

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

    \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
  4. Taylor expanded in m around 0 31.1%

    \[\leadsto \color{blue}{-1 \cdot m} \]
  5. Step-by-step derivation
    1. neg-mul-131.1%

      \[\leadsto \color{blue}{-m} \]
  6. Simplified31.1%

    \[\leadsto \color{blue}{-m} \]
  7. Final simplification31.1%

    \[\leadsto -m \]

Reproduce

?
herbie shell --seed 2023229 
(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))