a parameter of renormalized beta distribution

Percentage Accurate: 99.8% → 99.5%
Time: 6.0s
Alternatives: 8
Speedup: N/A×

Specification

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

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

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 8 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 99.8% accurate, 1.0× speedup?

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

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

Alternative 1: 99.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2 \cdot 10^{-27}:\\ \;\;\;\;m \cdot \frac{m}{v} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right)\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2e-27) (- (* m (/ m v)) m) (* m (* (/ m v) (- 1.0 m)))))
double code(double m, double v) {
	double tmp;
	if (m <= 2e-27) {
		tmp = (m * (m / v)) - 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 <= 2d-27) then
        tmp = (m * (m / v)) - 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 <= 2e-27) {
		tmp = (m * (m / v)) - m;
	} else {
		tmp = m * ((m / v) * (1.0 - m));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2e-27:
		tmp = (m * (m / v)) - m
	else:
		tmp = m * ((m / v) * (1.0 - m))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2e-27)
		tmp = Float64(Float64(m * Float64(m / v)) - m);
	else
		tmp = Float64(m * Float64(Float64(m / v) * Float64(1.0 - m)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2e-27)
		tmp = (m * (m / v)) - m;
	else
		tmp = m * ((m / v) * (1.0 - m));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2e-27], N[(N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(m * N[(N[(m / v), $MachinePrecision] * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2 \cdot 10^{-27}:\\
\;\;\;\;m \cdot \frac{m}{v} - m\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.0000000000000001e-27

    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-in99.9%

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

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
      5. associate-*l/84.1%

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

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

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

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

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

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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. Step-by-step derivation
      1. distribute-rgt-in99.9%

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

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

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.9%

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

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

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{m}{v}, m \cdot \left(1 - m\right), -m\right)} \]
    6. Taylor expanded in m around 0 84.1%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg84.1%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative84.1%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow284.1%

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

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

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

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

    if 2.0000000000000001e-27 < m

    1. Initial program 99.9%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in v around 0 99.8%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*99.8%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow299.8%

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

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Step-by-step derivation
      1. frac-2neg99.8%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\frac{-v}{-\left(1 - m\right)}}} \]
      2. div-inv99.8%

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

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

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

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

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \left(-\color{blue}{\sqrt{-m} \cdot \sqrt{-m}}\right)}} \]
      7. sqrt-unprod8.3%

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \left(-\color{blue}{\sqrt{\left(-m\right) \cdot \left(-m\right)}}\right)}} \]
      8. sqr-neg8.3%

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \left(-\sqrt{\color{blue}{m \cdot m}}\right)}} \]
      9. sqrt-prod8.3%

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \left(-\color{blue}{\sqrt{m} \cdot \sqrt{m}}\right)}} \]
      10. add-sqr-sqrt8.3%

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

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \color{blue}{\sqrt{-m} \cdot \sqrt{-m}}}} \]
      12. sqrt-unprod99.8%

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \color{blue}{\sqrt{\left(-m\right) \cdot \left(-m\right)}}}} \]
      13. sqr-neg99.8%

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \sqrt{\color{blue}{m \cdot m}}}} \]
      14. sqrt-prod99.8%

        \[\leadsto \frac{m \cdot m}{\left(-v\right) \cdot \frac{1}{-1 + \color{blue}{\sqrt{m} \cdot \sqrt{m}}}} \]
      15. add-sqr-sqrt99.8%

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

      \[\leadsto \frac{m \cdot m}{\color{blue}{\left(-v\right) \cdot \frac{1}{-1 + m}}} \]
    9. Step-by-step derivation
      1. div-inv99.8%

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

        \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1}{\left(-v\right) \cdot \frac{1}{-1 + m}}\right)} \]
      3. un-div-inv99.8%

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

        \[\leadsto m \cdot \left(m \cdot \frac{1}{\color{blue}{\frac{-\left(-v\right)}{-\left(-1 + m\right)}}}\right) \]
      5. remove-double-neg99.8%

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

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

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

        \[\leadsto m \cdot \left(m \cdot \frac{1}{\frac{v}{\color{blue}{1 - m}}}\right) \]
      9. clear-num99.9%

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

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2 \cdot 10^{-27}:\\ \;\;\;\;m \cdot \frac{m}{v} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right)\right)\\ \end{array} \]

Alternative 2: 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-in99.9%

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

      \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
    5. associate-*l/92.8%

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

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

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

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

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

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

    \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
  4. Final simplification99.9%

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

Alternative 3: 74.6% accurate, 1.1× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.5 \cdot 10^{-128}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(-m\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.5e-128) (- m) (if (<= m 1.0) (* m (/ m v)) (* (/ m v) (- m)))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.5e-128) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m * (m / v);
	} 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 <= 1.5d-128) then
        tmp = -m
    else if (m <= 1.0d0) then
        tmp = m * (m / v)
    else
        tmp = (m / v) * -m
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.5e-128) {
		tmp = -m;
	} else if (m <= 1.0) {
		tmp = m * (m / v);
	} else {
		tmp = (m / v) * -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.5e-128:
		tmp = -m
	elif m <= 1.0:
		tmp = m * (m / v)
	else:
		tmp = (m / v) * -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.5e-128)
		tmp = Float64(-m);
	elseif (m <= 1.0)
		tmp = Float64(m * Float64(m / v));
	else
		tmp = Float64(Float64(m / v) * Float64(-m));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.5e-128)
		tmp = -m;
	elseif (m <= 1.0)
		tmp = m * (m / v);
	else
		tmp = (m / v) * -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.5e-128], (-m), If[LessEqual[m, 1.0], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * (-m)), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.5 \cdot 10^{-128}:\\
\;\;\;\;-m\\

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

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


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if m < 1.49999999999999989e-128

    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/75.9%

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(1 - m\right)} + \left(-1\right)\right) \]
      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 66.2%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-166.2%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified66.2%

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

    if 1.49999999999999989e-128 < m < 1

    1. Initial program 99.6%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Step-by-step derivation
      1. *-commutative99.6%

        \[\leadsto \color{blue}{m \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right)} \]
      2. sub-neg99.6%

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

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

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

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

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

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

        \[\leadsto m \cdot \left(\color{blue}{\frac{m \cdot \left(1 - m\right)}{\frac{v}{1}}} + \left(-1\right)\right) \]
      14. /-rgt-identity99.6%

        \[\leadsto m \cdot \left(\frac{m \cdot \left(1 - m\right)}{\color{blue}{v}} + \left(-1\right)\right) \]
      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 83.2%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*83.2%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow283.2%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified83.2%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 77.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow277.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/77.6%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified77.6%

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

    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/99.8%

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in 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. 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. frac-2neg0.1%

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

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

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

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{m}} \]
      5. sqrt-unprod75.4%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{m}} \]
      6. sqr-neg75.4%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\sqrt{\color{blue}{v \cdot v}}}{m}} \]
      7. sqrt-unprod71.2%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{m}} \]
      8. add-sqr-sqrt71.2%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{v}}{m}} \]
      9. clear-num71.2%

        \[\leadsto \left(-m\right) \cdot \color{blue}{\frac{m}{v}} \]
    13. Applied egg-rr71.2%

      \[\leadsto \color{blue}{\left(-m\right) \cdot \frac{m}{v}} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification71.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.5 \cdot 10^{-128}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(-m\right)\\ \end{array} \]

Alternative 4: 98.0% accurate, 1.1× speedup?

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


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

    1. Initial program 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. 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/85.9%

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

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      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. Step-by-step derivation
      1. distribute-rgt-in99.8%

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

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

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.8%

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

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

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{m}{v}, m \cdot \left(1 - m\right), -m\right)} \]
    6. Taylor expanded in m around 0 83.5%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg83.5%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative83.5%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow283.5%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-*r/97.4%

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

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

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

    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/99.8%

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in 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 96.7%

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

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

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

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

        \[\leadsto \color{blue}{\frac{-m \cdot m}{-\frac{-v}{m}}} \]
      2. div-inv96.7%

        \[\leadsto \color{blue}{\left(-m \cdot m\right) \cdot \frac{1}{-\frac{-v}{m}}} \]
      3. distribute-rgt-neg-in96.7%

        \[\leadsto \color{blue}{\left(m \cdot \left(-m\right)\right)} \cdot \frac{1}{-\frac{-v}{m}} \]
      4. distribute-frac-neg96.7%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \frac{1}{-\color{blue}{\left(-\frac{v}{m}\right)}} \]
      5. remove-double-neg96.7%

        \[\leadsto \left(m \cdot \left(-m\right)\right) \cdot \frac{1}{\color{blue}{\frac{v}{m}}} \]
      6. clear-num96.7%

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

      \[\leadsto \color{blue}{\left(m \cdot \left(-m\right)\right) \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.0%

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

Alternative 5: 88.0% 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 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    2. Taylor expanded in m around 0 97.4%

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

    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/99.8%

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in 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. 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. frac-2neg0.1%

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

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

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

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{m}} \]
      5. sqrt-unprod75.4%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{m}} \]
      6. sqr-neg75.4%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\sqrt{\color{blue}{v \cdot v}}}{m}} \]
      7. sqrt-unprod71.2%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{m}} \]
      8. add-sqr-sqrt71.2%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{v}}{m}} \]
      9. clear-num71.2%

        \[\leadsto \left(-m\right) \cdot \color{blue}{\frac{m}{v}} \]
    13. Applied egg-rr71.2%

      \[\leadsto \color{blue}{\left(-m\right) \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.5%

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

Alternative 6: 88.0% 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 99.8%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m \]
    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/85.9%

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

        \[\leadsto \color{blue}{m \cdot \left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v} + \left(-1\right)\right)} \]
      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. Step-by-step derivation
      1. distribute-rgt-in99.8%

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

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

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(m \cdot \left(1 - m\right)\right)} + -1 \cdot m \]
      4. neg-mul-199.8%

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

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

      \[\leadsto \color{blue}{\mathsf{fma}\left(\frac{m}{v}, m \cdot \left(1 - m\right), -m\right)} \]
    6. Taylor expanded in m around 0 83.5%

      \[\leadsto \color{blue}{-1 \cdot m + \frac{{m}^{2}}{v}} \]
    7. Step-by-step derivation
      1. mul-1-neg83.5%

        \[\leadsto \color{blue}{\left(-m\right)} + \frac{{m}^{2}}{v} \]
      2. +-commutative83.5%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v} + \left(-m\right)} \]
      3. unpow283.5%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} + \left(-m\right) \]
      4. associate-*r/97.4%

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

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

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

    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/99.8%

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

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

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

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

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

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

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
    4. Taylor expanded in 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. 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. frac-2neg0.1%

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

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

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

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}}{m}} \]
      5. sqrt-unprod75.4%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}}{m}} \]
      6. sqr-neg75.4%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\sqrt{\color{blue}{v \cdot v}}}{m}} \]
      7. sqrt-unprod71.2%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{\sqrt{v} \cdot \sqrt{v}}}{m}} \]
      8. add-sqr-sqrt71.2%

        \[\leadsto \left(-m\right) \cdot \frac{1}{\frac{\color{blue}{v}}{m}} \]
      9. clear-num71.2%

        \[\leadsto \left(-m\right) \cdot \color{blue}{\frac{m}{v}} \]
    13. Applied egg-rr71.2%

      \[\leadsto \color{blue}{\left(-m\right) \cdot \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification84.5%

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

Alternative 7: 37.5% accurate, 1.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 2 \cdot 10^{-158}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v) :precision binary64 (if (<= v 2e-158) (* m (/ m v)) (- m)))
double code(double m, double v) {
	double tmp;
	if (v <= 2e-158) {
		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 <= 2d-158) 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 <= 2e-158) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if v <= 2e-158:
		tmp = m * (m / v)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if (v <= 2e-158)
		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 <= 2e-158)
		tmp = m * (m / v);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[v, 2e-158], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 2 \cdot 10^{-158}:\\
\;\;\;\;m \cdot \frac{m}{v}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 2.00000000000000013e-158

    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/87.3%

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

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

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

        \[\leadsto \color{blue}{\left(\left(m \cdot \left(1 - m\right)\right) \cdot \frac{1}{v}\right) \cdot m} + m \cdot \left(-1\right) \]
      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 79.2%

      \[\leadsto \color{blue}{\frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*79.2%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{\frac{v}{1 - m}}} \]
      2. unpow279.2%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{\frac{v}{1 - m}} \]
    6. Simplified79.2%

      \[\leadsto \color{blue}{\frac{m \cdot m}{\frac{v}{1 - m}}} \]
    7. Taylor expanded in m around 0 28.3%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    8. Step-by-step derivation
      1. unpow228.3%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} \]
      2. associate-*r/38.2%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} \]
    9. Simplified38.2%

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

    if 2.00000000000000013e-158 < v

    1. Initial program 99.9%

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

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

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

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

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

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

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

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

        \[\leadsto \left(m \cdot \left(1 - m\right)\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot m\right)} + m \cdot \left(-1\right) \]
      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 42.1%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    5. Step-by-step derivation
      1. neg-mul-142.1%

        \[\leadsto \color{blue}{-m} \]
    6. Simplified42.1%

      \[\leadsto \color{blue}{-m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification39.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 2 \cdot 10^{-158}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]

Alternative 8: 27.1% 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-in99.9%

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

      \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} \cdot m} + m \cdot \left(-1\right) \]
    5. associate-*l/92.8%

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

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

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

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

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

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

    \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} \cdot \left(1 - m\right) + -1\right)} \]
  4. Taylor expanded in m around 0 25.2%

    \[\leadsto \color{blue}{-1 \cdot m} \]
  5. Step-by-step derivation
    1. neg-mul-125.2%

      \[\leadsto \color{blue}{-m} \]
  6. Simplified25.2%

    \[\leadsto \color{blue}{-m} \]
  7. Final simplification25.2%

    \[\leadsto -m \]

Reproduce

?
herbie shell --seed 2023199 
(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))