a parameter of renormalized beta distribution

Percentage Accurate: 99.8% → 99.6%
Time: 8.0s
Alternatives: 11
Speedup: 1.0×

Specification

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

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

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

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

Accuracy vs Speed?

Herbie found 11 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: 99.6% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.25 \cdot 10^{-23}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.25e-23) (- (/ m (/ v m)) m) (* (/ m v) (* m (- 1.0 m)))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.25e-23) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = (m / v) * (m * (1.0 - m));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 1.25d-23) then
        tmp = (m / (v / m)) - m
    else
        tmp = (m / v) * (m * (1.0d0 - m))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.25e-23) {
		tmp = (m / (v / m)) - m;
	} else {
		tmp = (m / v) * (m * (1.0 - m));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.25e-23:
		tmp = (m / (v / m)) - m
	else:
		tmp = (m / v) * (m * (1.0 - m))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.25e-23)
		tmp = Float64(Float64(m / Float64(v / m)) - m);
	else
		tmp = Float64(Float64(m / v) * Float64(m * Float64(1.0 - m)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.25e-23)
		tmp = (m / (v / m)) - m;
	else
		tmp = (m / v) * (m * (1.0 - m));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.25e-23], N[(N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(N[(m / v), $MachinePrecision] * N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.25 \cdot 10^{-23}:\\
\;\;\;\;\frac{m}{\frac{v}{m}} - m\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.2500000000000001e-23

    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. associate-/l*99.7%

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg99.8%

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

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

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

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-199.8%

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

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*85.3%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow285.3%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified85.3%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Step-by-step derivation
      1. unpow285.3%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} - m \]
      2. add-sqr-sqrt85.1%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} - m \]
      3. sqrt-unprod47.8%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} - m \]
      4. sqr-neg47.8%

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

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} - m \]
      6. add-sqr-sqrt55.5%

        \[\leadsto \frac{m \cdot m}{\color{blue}{-v}} - m \]
      7. associate-*l/55.4%

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

        \[\leadsto \frac{m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \cdot m - m \]
      9. sqrt-unprod48.3%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \cdot m - m \]
      10. sqr-neg48.3%

        \[\leadsto \frac{m}{\sqrt{\color{blue}{v \cdot v}}} \cdot m - m \]
      11. sqrt-unprod99.5%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \cdot m - m \]
      12. add-sqr-sqrt99.8%

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

      \[\leadsto \color{blue}{\frac{m}{v} \cdot m} - m \]
    10. Step-by-step derivation
      1. *-commutative99.8%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v}} - m \]
      2. clear-num99.8%

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

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

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

    if 1.2500000000000001e-23 < 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-/l*99.9%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. clear-num99.9%

        \[\leadsto m \cdot \left(m \cdot \color{blue}{\frac{1}{\frac{v}{1 - m}}} + -1\right) \]
      2. un-div-inv99.9%

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

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

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

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

        \[\leadsto \color{blue}{\left(1 - m\right) \cdot \frac{{m}^{2}}{v}} \]
      3. *-lft-identity99.8%

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

        \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(\frac{1}{v} \cdot {m}^{2}\right)} \]
      5. associate-/r/99.8%

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

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

        \[\leadsto \frac{\color{blue}{\left(1 + \left(-m\right)\right)} \cdot 1}{\frac{v}{{m}^{2}}} \]
      8. +-commutative99.9%

        \[\leadsto \frac{\color{blue}{\left(\left(-m\right) + 1\right)} \cdot 1}{\frac{v}{{m}^{2}}} \]
      9. distribute-rgt1-in99.9%

        \[\leadsto \frac{\color{blue}{1 + \left(-m\right) \cdot 1}}{\frac{v}{{m}^{2}}} \]
      10. *-rgt-identity99.9%

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

        \[\leadsto \frac{\color{blue}{1 - m}}{\frac{v}{{m}^{2}}} \]
    9. Simplified99.9%

      \[\leadsto \color{blue}{\frac{1 - m}{\frac{v}{{m}^{2}}}} \]
    10. Step-by-step derivation
      1. clear-num99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{\frac{v}{{m}^{2}}}{1 - m}}} \]
      2. associate-/r/99.8%

        \[\leadsto \color{blue}{\frac{1}{\frac{v}{{m}^{2}}} \cdot \left(1 - m\right)} \]
      3. clear-num99.8%

        \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \cdot \left(1 - m\right) \]
      4. unpow299.8%

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

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

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

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

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

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

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

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

        \[\leadsto \color{blue}{\frac{\frac{m}{v}}{\frac{1}{1 - m}}} \cdot m \]
      13. associate-/r/99.9%

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.25 \cdot 10^{-23}:\\ \;\;\;\;\frac{m}{\frac{v}{m}} - m\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(m \cdot \left(1 - m\right)\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 2: 73.3% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.85 \cdot 10^{-177}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 2 \cdot 10^{-133}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{elif}\;m \leq 2.4 \cdot 10^{-125}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(-m\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.85e-177)
   (- m)
   (if (<= m 2e-133)
     (/ m (/ v m))
     (if (<= m 2.4e-125)
       (- m)
       (if (<= m 1.0) (* m (/ m v)) (* (/ m v) (- m)))))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.85e-177) {
		tmp = -m;
	} else if (m <= 2e-133) {
		tmp = m / (v / m);
	} else if (m <= 2.4e-125) {
		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 <= 1.85d-177) then
        tmp = -m
    else if (m <= 2d-133) then
        tmp = m / (v / m)
    else if (m <= 2.4d-125) 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 <= 1.85e-177) {
		tmp = -m;
	} else if (m <= 2e-133) {
		tmp = m / (v / m);
	} else if (m <= 2.4e-125) {
		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 <= 1.85e-177:
		tmp = -m
	elif m <= 2e-133:
		tmp = m / (v / m)
	elif m <= 2.4e-125:
		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 <= 1.85e-177)
		tmp = Float64(-m);
	elseif (m <= 2e-133)
		tmp = Float64(m / Float64(v / m));
	elseif (m <= 2.4e-125)
		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 <= 1.85e-177)
		tmp = -m;
	elseif (m <= 2e-133)
		tmp = m / (v / m);
	elseif (m <= 2.4e-125)
		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, 1.85e-177], (-m), If[LessEqual[m, 2e-133], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], If[LessEqual[m, 2.4e-125], (-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 1.85 \cdot 10^{-177}:\\
\;\;\;\;-m\\

\mathbf{elif}\;m \leq 2 \cdot 10^{-133}:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\

\mathbf{elif}\;m \leq 2.4 \cdot 10^{-125}:\\
\;\;\;\;-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 4 regimes
  2. if m < 1.84999999999999997e-177 or 2.0000000000000001e-133 < m < 2.4000000000000001e-125

    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. associate-/l*99.8%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 81.8%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    6. Step-by-step derivation
      1. neg-mul-181.8%

        \[\leadsto \color{blue}{-m} \]
    7. Simplified81.8%

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

    if 1.84999999999999997e-177 < m < 2.0000000000000001e-133

    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-/l*99.7%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 99.7%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg99.7%

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

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

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

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-199.7%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{\left(-m\right)} \]
      6. unsub-neg99.7%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*66.1%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow266.1%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified66.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Taylor expanded in m around inf 34.6%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    9. Step-by-step derivation
      1. *-un-lft-identity34.6%

        \[\leadsto \frac{\color{blue}{1 \cdot {m}^{2}}}{v} \]
      2. add-sqr-sqrt34.4%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      3. sqrt-unprod2.3%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{v \cdot v}}} \]
      4. sqr-neg2.3%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\sqrt{\color{blue}{\left(-v\right) \cdot \left(-v\right)}}} \]
      5. sqrt-unprod0.0%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      6. add-sqr-sqrt4.2%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-v}} \]
      7. neg-mul-14.2%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-1 \cdot v}} \]
      8. times-frac4.2%

        \[\leadsto \color{blue}{\frac{1}{-1} \cdot \frac{{m}^{2}}{v}} \]
      9. metadata-eval4.2%

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

        \[\leadsto -1 \cdot \frac{\color{blue}{m \cdot m}}{v} \]
      11. add-sqr-sqrt4.2%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      12. sqrt-unprod2.4%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} \]
      13. sqr-neg2.4%

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

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      15. add-sqr-sqrt34.6%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{-v}} \]
      16. associate-*r/67.8%

        \[\leadsto -1 \cdot \color{blue}{\left(m \cdot \frac{m}{-v}\right)} \]
      17. *-commutative67.8%

        \[\leadsto \color{blue}{\left(m \cdot \frac{m}{-v}\right) \cdot -1} \]
      18. *-commutative67.8%

        \[\leadsto \color{blue}{\left(\frac{m}{-v} \cdot m\right)} \cdot -1 \]
      19. associate-*l*67.8%

        \[\leadsto \color{blue}{\frac{m}{-v} \cdot \left(m \cdot -1\right)} \]
    10. Applied egg-rr3.7%

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

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(\sqrt{-m} \cdot \sqrt{-m}\right)} \]
      2. sqrt-unprod34.8%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\sqrt{\left(-m\right) \cdot \left(-m\right)}} \]
      3. sqr-neg34.8%

        \[\leadsto \frac{m}{v} \cdot \sqrt{\color{blue}{m \cdot m}} \]
      4. sqrt-unprod67.5%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(\sqrt{m} \cdot \sqrt{m}\right)} \]
      5. add-sqr-sqrt67.8%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{m} \]
      6. associate-/r/67.9%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Applied egg-rr67.9%

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

    if 2.4000000000000001e-125 < 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-/l*99.6%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 90.3%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg90.3%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval90.3%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in90.3%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative90.3%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-190.3%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{\left(-m\right)} \]
      6. unsub-neg90.3%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*90.4%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow290.4%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified90.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Taylor expanded in m around inf 78.5%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    9. Step-by-step derivation
      1. unpow290.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} - m \]
      2. add-sqr-sqrt89.8%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} - m \]
      3. sqrt-unprod44.2%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} - m \]
      4. sqr-neg44.2%

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

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} - m \]
      6. add-sqr-sqrt13.0%

        \[\leadsto \frac{m \cdot m}{\color{blue}{-v}} - m \]
      7. associate-*l/13.0%

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

        \[\leadsto \frac{m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \cdot m - m \]
      9. sqrt-unprod44.2%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \cdot m - m \]
      10. sqr-neg44.2%

        \[\leadsto \frac{m}{\sqrt{\color{blue}{v \cdot v}}} \cdot m - m \]
      11. sqrt-unprod89.7%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \cdot m - m \]
      12. add-sqr-sqrt90.3%

        \[\leadsto \frac{m}{\color{blue}{v}} \cdot m - m \]
    10. Applied egg-rr78.3%

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

    if 1 < m

    1. Initial program 99.9%

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

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

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

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg0.1%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval0.1%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in0.1%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative0.1%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-10.1%

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

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

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow20.1%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified0.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Taylor expanded in m around inf 0.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    9. Step-by-step derivation
      1. *-un-lft-identity0.1%

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

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      3. sqrt-unprod0.1%

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

        \[\leadsto \frac{1 \cdot {m}^{2}}{\sqrt{\color{blue}{\left(-v\right) \cdot \left(-v\right)}}} \]
      5. sqrt-unprod0.0%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      6. add-sqr-sqrt82.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-v}} \]
      7. neg-mul-182.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-1 \cdot v}} \]
      8. times-frac82.5%

        \[\leadsto \color{blue}{\frac{1}{-1} \cdot \frac{{m}^{2}}{v}} \]
      9. metadata-eval82.5%

        \[\leadsto \color{blue}{-1} \cdot \frac{{m}^{2}}{v} \]
      10. unpow282.5%

        \[\leadsto -1 \cdot \frac{\color{blue}{m \cdot m}}{v} \]
      11. add-sqr-sqrt82.5%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      12. sqrt-unprod83.7%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} \]
      13. sqr-neg83.7%

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

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

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{-v}} \]
      16. associate-*r/0.1%

        \[\leadsto -1 \cdot \color{blue}{\left(m \cdot \frac{m}{-v}\right)} \]
      17. *-commutative0.1%

        \[\leadsto \color{blue}{\left(m \cdot \frac{m}{-v}\right) \cdot -1} \]
      18. *-commutative0.1%

        \[\leadsto \color{blue}{\left(\frac{m}{-v} \cdot m\right)} \cdot -1 \]
      19. associate-*l*0.1%

        \[\leadsto \color{blue}{\frac{m}{-v} \cdot \left(m \cdot -1\right)} \]
    10. Applied egg-rr82.5%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
  3. Recombined 4 regimes into one program.
  4. Final simplification80.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.85 \cdot 10^{-177}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 2 \cdot 10^{-133}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{elif}\;m \leq 2.4 \cdot 10^{-125}:\\ \;\;\;\;-m\\ \mathbf{elif}\;m \leq 1:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v} \cdot \left(-m\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 3: 35.0% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 1.25 \cdot 10^{-238} \lor \neg \left(v \leq 2.65 \cdot 10^{-204}\right) \land v \leq 4.9 \cdot 10^{-191}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (or (<= v 1.25e-238) (and (not (<= v 2.65e-204)) (<= v 4.9e-191)))
   (/ m (/ v m))
   (- m)))
double code(double m, double v) {
	double tmp;
	if ((v <= 1.25e-238) || (!(v <= 2.65e-204) && (v <= 4.9e-191))) {
		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 <= 1.25d-238) .or. (.not. (v <= 2.65d-204)) .and. (v <= 4.9d-191)) 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 <= 1.25e-238) || (!(v <= 2.65e-204) && (v <= 4.9e-191))) {
		tmp = m / (v / m);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if (v <= 1.25e-238) or (not (v <= 2.65e-204) and (v <= 4.9e-191)):
		tmp = m / (v / m)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if ((v <= 1.25e-238) || (!(v <= 2.65e-204) && (v <= 4.9e-191)))
		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 <= 1.25e-238) || (~((v <= 2.65e-204)) && (v <= 4.9e-191)))
		tmp = m / (v / m);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[Or[LessEqual[v, 1.25e-238], And[N[Not[LessEqual[v, 2.65e-204]], $MachinePrecision], LessEqual[v, 4.9e-191]]], N[(m / N[(v / m), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 1.25 \cdot 10^{-238} \lor \neg \left(v \leq 2.65 \cdot 10^{-204}\right) \land v \leq 4.9 \cdot 10^{-191}:\\
\;\;\;\;\frac{m}{\frac{v}{m}}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 1.25e-238 or 2.6499999999999999e-204 < v < 4.9e-191

    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. associate-/l*99.7%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 51.4%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg51.4%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval51.4%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in51.4%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative51.4%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-151.4%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{\left(-m\right)} \]
      6. unsub-neg51.4%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*32.7%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow232.7%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified32.7%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Taylor expanded in m around inf 29.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    9. Step-by-step derivation
      1. *-un-lft-identity29.4%

        \[\leadsto \frac{\color{blue}{1 \cdot {m}^{2}}}{v} \]
      2. add-sqr-sqrt29.2%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      3. sqrt-unprod1.2%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{v \cdot v}}} \]
      4. sqr-neg1.2%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\sqrt{\color{blue}{\left(-v\right) \cdot \left(-v\right)}}} \]
      5. sqrt-unprod0.0%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      6. add-sqr-sqrt46.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-v}} \]
      7. neg-mul-146.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-1 \cdot v}} \]
      8. times-frac46.5%

        \[\leadsto \color{blue}{\frac{1}{-1} \cdot \frac{{m}^{2}}{v}} \]
      9. metadata-eval46.5%

        \[\leadsto \color{blue}{-1} \cdot \frac{{m}^{2}}{v} \]
      10. unpow246.5%

        \[\leadsto -1 \cdot \frac{\color{blue}{m \cdot m}}{v} \]
      11. add-sqr-sqrt46.5%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      12. sqrt-unprod45.2%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} \]
      13. sqr-neg45.2%

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

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      15. add-sqr-sqrt29.4%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{-v}} \]
      16. associate-*r/47.8%

        \[\leadsto -1 \cdot \color{blue}{\left(m \cdot \frac{m}{-v}\right)} \]
      17. *-commutative47.8%

        \[\leadsto \color{blue}{\left(m \cdot \frac{m}{-v}\right) \cdot -1} \]
      18. *-commutative47.8%

        \[\leadsto \color{blue}{\left(\frac{m}{-v} \cdot m\right)} \cdot -1 \]
      19. associate-*l*47.8%

        \[\leadsto \color{blue}{\frac{m}{-v} \cdot \left(m \cdot -1\right)} \]
    10. Applied egg-rr46.3%

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

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(\sqrt{-m} \cdot \sqrt{-m}\right)} \]
      2. sqrt-unprod29.3%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\sqrt{\left(-m\right) \cdot \left(-m\right)}} \]
      3. sqr-neg29.3%

        \[\leadsto \frac{m}{v} \cdot \sqrt{\color{blue}{m \cdot m}} \]
      4. sqrt-unprod47.7%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{\left(\sqrt{m} \cdot \sqrt{m}\right)} \]
      5. add-sqr-sqrt47.8%

        \[\leadsto \frac{m}{v} \cdot \color{blue}{m} \]
      6. associate-/r/47.9%

        \[\leadsto \color{blue}{\frac{m}{\frac{v}{m}}} \]
    12. Applied egg-rr47.9%

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

    if 1.25e-238 < v < 2.6499999999999999e-204 or 4.9e-191 < 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. associate-/l*99.9%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 33.9%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    6. Step-by-step derivation
      1. neg-mul-133.9%

        \[\leadsto \color{blue}{-m} \]
    7. Simplified33.9%

      \[\leadsto \color{blue}{-m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification38.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 1.25 \cdot 10^{-238} \lor \neg \left(v \leq 2.65 \cdot 10^{-204}\right) \land v \leq 4.9 \cdot 10^{-191}:\\ \;\;\;\;\frac{m}{\frac{v}{m}}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]
  5. Add Preprocessing

Alternative 4: 35.0% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;v \leq 1.25 \cdot 10^{-238} \lor \neg \left(v \leq 9.2 \cdot 10^{-205}\right) \land v \leq 10^{-190}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (or (<= v 1.25e-238) (and (not (<= v 9.2e-205)) (<= v 1e-190)))
   (* m (/ m v))
   (- m)))
double code(double m, double v) {
	double tmp;
	if ((v <= 1.25e-238) || (!(v <= 9.2e-205) && (v <= 1e-190))) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if ((v <= 1.25d-238) .or. (.not. (v <= 9.2d-205)) .and. (v <= 1d-190)) then
        tmp = m * (m / v)
    else
        tmp = -m
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if ((v <= 1.25e-238) || (!(v <= 9.2e-205) && (v <= 1e-190))) {
		tmp = m * (m / v);
	} else {
		tmp = -m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if (v <= 1.25e-238) or (not (v <= 9.2e-205) and (v <= 1e-190)):
		tmp = m * (m / v)
	else:
		tmp = -m
	return tmp
function code(m, v)
	tmp = 0.0
	if ((v <= 1.25e-238) || (!(v <= 9.2e-205) && (v <= 1e-190)))
		tmp = Float64(m * Float64(m / v));
	else
		tmp = Float64(-m);
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if ((v <= 1.25e-238) || (~((v <= 9.2e-205)) && (v <= 1e-190)))
		tmp = m * (m / v);
	else
		tmp = -m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[Or[LessEqual[v, 1.25e-238], And[N[Not[LessEqual[v, 9.2e-205]], $MachinePrecision], LessEqual[v, 1e-190]]], N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision], (-m)]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;v \leq 1.25 \cdot 10^{-238} \lor \neg \left(v \leq 9.2 \cdot 10^{-205}\right) \land v \leq 10^{-190}:\\
\;\;\;\;m \cdot \frac{m}{v}\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if v < 1.25e-238 or 9.1999999999999997e-205 < v < 1e-190

    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. associate-/l*99.7%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 51.4%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg51.4%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval51.4%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in51.4%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative51.4%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-151.4%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{\left(-m\right)} \]
      6. unsub-neg51.4%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*32.7%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow232.7%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified32.7%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Taylor expanded in m around inf 29.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    9. Step-by-step derivation
      1. unpow232.7%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} - m \]
      2. add-sqr-sqrt32.6%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} - m \]
      3. sqrt-unprod1.2%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} - m \]
      4. sqr-neg1.2%

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

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} - m \]
      6. add-sqr-sqrt49.9%

        \[\leadsto \frac{m \cdot m}{\color{blue}{-v}} - m \]
      7. associate-*l/49.8%

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

        \[\leadsto \frac{m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \cdot m - m \]
      9. sqrt-unprod1.7%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \cdot m - m \]
      10. sqr-neg1.7%

        \[\leadsto \frac{m}{\sqrt{\color{blue}{v \cdot v}}} \cdot m - m \]
      11. sqrt-unprod51.1%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \cdot m - m \]
      12. add-sqr-sqrt51.4%

        \[\leadsto \frac{m}{\color{blue}{v}} \cdot m - m \]
    10. Applied egg-rr47.8%

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

    if 1.25e-238 < v < 9.1999999999999997e-205 or 1e-190 < 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. associate-/l*99.9%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 33.9%

      \[\leadsto \color{blue}{-1 \cdot m} \]
    6. Step-by-step derivation
      1. neg-mul-133.9%

        \[\leadsto \color{blue}{-m} \]
    7. Simplified33.9%

      \[\leadsto \color{blue}{-m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification38.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;v \leq 1.25 \cdot 10^{-238} \lor \neg \left(v \leq 9.2 \cdot 10^{-205}\right) \land v \leq 10^{-190}:\\ \;\;\;\;m \cdot \frac{m}{v}\\ \mathbf{else}:\\ \;\;\;\;-m\\ \end{array} \]
  5. Add Preprocessing

Alternative 5: 99.7% accurate, 0.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.9 \cdot 10^{-15}:\\ \;\;\;\;m \cdot \frac{m}{v} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(m \cdot \frac{1 - m}{v}\right)\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2.9e-15) (- (* m (/ m v)) m) (* m (* m (/ (- 1.0 m) v)))))
double code(double m, double v) {
	double tmp;
	if (m <= 2.9e-15) {
		tmp = (m * (m / v)) - m;
	} else {
		tmp = m * (m * ((1.0 - m) / v));
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 2.9d-15) then
        tmp = (m * (m / v)) - m
    else
        tmp = m * (m * ((1.0d0 - m) / v))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.9e-15) {
		tmp = (m * (m / v)) - m;
	} else {
		tmp = m * (m * ((1.0 - m) / v));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.9e-15:
		tmp = (m * (m / v)) - m
	else:
		tmp = m * (m * ((1.0 - m) / v))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.9e-15)
		tmp = Float64(Float64(m * Float64(m / v)) - m);
	else
		tmp = Float64(m * Float64(m * Float64(Float64(1.0 - m) / v)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.9e-15)
		tmp = (m * (m / v)) - m;
	else
		tmp = m * (m * ((1.0 - m) / v));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.9e-15], N[(N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision] - m), $MachinePrecision], N[(m * N[(m * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.9 \cdot 10^{-15}:\\
\;\;\;\;m \cdot \frac{m}{v} - m\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.90000000000000019e-15

    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. associate-/l*99.7%

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg99.8%

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

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

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

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-199.8%

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

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*85.9%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow285.9%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified85.9%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Step-by-step derivation
      1. unpow285.9%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} - m \]
      2. add-sqr-sqrt85.7%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} - m \]
      3. sqrt-unprod49.3%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} - m \]
      4. sqr-neg49.3%

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

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} - m \]
      6. add-sqr-sqrt53.0%

        \[\leadsto \frac{m \cdot m}{\color{blue}{-v}} - m \]
      7. associate-*l/52.9%

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

        \[\leadsto \frac{m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \cdot m - m \]
      9. sqrt-unprod49.9%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \cdot m - m \]
      10. sqr-neg49.9%

        \[\leadsto \frac{m}{\sqrt{\color{blue}{v \cdot v}}} \cdot m - m \]
      11. sqrt-unprod99.5%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \cdot m - m \]
      12. add-sqr-sqrt99.8%

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

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

    if 2.90000000000000019e-15 < 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-/l*99.9%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. clear-num99.9%

        \[\leadsto m \cdot \left(m \cdot \color{blue}{\frac{1}{\frac{v}{1 - m}}} + -1\right) \]
      2. un-div-inv99.9%

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

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

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

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

        \[\leadsto \color{blue}{\left(1 - m\right) \cdot \frac{{m}^{2}}{v}} \]
      3. *-lft-identity99.8%

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

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

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

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

        \[\leadsto \frac{\color{blue}{\left(1 + \left(-m\right)\right)} \cdot 1}{\frac{v}{{m}^{2}}} \]
      8. +-commutative99.9%

        \[\leadsto \frac{\color{blue}{\left(\left(-m\right) + 1\right)} \cdot 1}{\frac{v}{{m}^{2}}} \]
      9. distribute-rgt1-in99.9%

        \[\leadsto \frac{\color{blue}{1 + \left(-m\right) \cdot 1}}{\frac{v}{{m}^{2}}} \]
      10. *-rgt-identity99.9%

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

        \[\leadsto \frac{\color{blue}{1 - m}}{\frac{v}{{m}^{2}}} \]
    9. Simplified99.9%

      \[\leadsto \color{blue}{\frac{1 - m}{\frac{v}{{m}^{2}}}} \]
    10. Step-by-step derivation
      1. associate-/r/99.9%

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.9 \cdot 10^{-15}:\\ \;\;\;\;m \cdot \frac{m}{v} - m\\ \mathbf{else}:\\ \;\;\;\;m \cdot \left(m \cdot \frac{1 - m}{v}\right)\\ \end{array} \]
  5. Add Preprocessing

Alternative 6: 97.9% accurate, 0.8× speedup?

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

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

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


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

    1. Initial program 99.8%

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 96.4%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg96.4%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval96.4%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in96.5%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative96.5%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-196.5%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{\left(-m\right)} \]
      6. unsub-neg96.5%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*83.4%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow283.4%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified83.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Step-by-step derivation
      1. unpow283.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} - m \]
      2. add-sqr-sqrt83.2%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} - m \]
      3. sqrt-unprod47.7%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} - m \]
      4. sqr-neg47.7%

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

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} - m \]
      6. add-sqr-sqrt49.8%

        \[\leadsto \frac{m \cdot m}{\color{blue}{-v}} - m \]
      7. associate-*l/49.7%

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

        \[\leadsto \frac{m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \cdot m - m \]
      9. sqrt-unprod48.2%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \cdot m - m \]
      10. sqr-neg48.2%

        \[\leadsto \frac{m}{\sqrt{\color{blue}{v \cdot v}}} \cdot m - m \]
      11. sqrt-unprod96.2%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \cdot m - m \]
      12. add-sqr-sqrt96.5%

        \[\leadsto \frac{m}{\color{blue}{v}} \cdot m - m \]
    9. Applied egg-rr96.5%

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

    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. associate-/l*99.9%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Step-by-step derivation
      1. clear-num99.9%

        \[\leadsto m \cdot \left(m \cdot \color{blue}{\frac{1}{\frac{v}{1 - m}}} + -1\right) \]
      2. un-div-inv100.0%

        \[\leadsto m \cdot \left(\color{blue}{\frac{m}{\frac{v}{1 - m}}} + -1\right) \]
    6. Applied egg-rr100.0%

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

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

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

        \[\leadsto \color{blue}{\left(1 - m\right) \cdot \frac{{m}^{2}}{v}} \]
      3. *-lft-identity99.9%

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

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

        \[\leadsto \left(1 - m\right) \cdot \color{blue}{\frac{1}{\frac{v}{{m}^{2}}}} \]
      6. associate-*r/100.0%

        \[\leadsto \color{blue}{\frac{\left(1 - m\right) \cdot 1}{\frac{v}{{m}^{2}}}} \]
      7. sub-neg100.0%

        \[\leadsto \frac{\color{blue}{\left(1 + \left(-m\right)\right)} \cdot 1}{\frac{v}{{m}^{2}}} \]
      8. +-commutative100.0%

        \[\leadsto \frac{\color{blue}{\left(\left(-m\right) + 1\right)} \cdot 1}{\frac{v}{{m}^{2}}} \]
      9. distribute-rgt1-in100.0%

        \[\leadsto \frac{\color{blue}{1 + \left(-m\right) \cdot 1}}{\frac{v}{{m}^{2}}} \]
      10. *-rgt-identity100.0%

        \[\leadsto \frac{1 + \color{blue}{\left(-m\right)}}{\frac{v}{{m}^{2}}} \]
      11. sub-neg100.0%

        \[\leadsto \frac{\color{blue}{1 - m}}{\frac{v}{{m}^{2}}} \]
    9. Simplified100.0%

      \[\leadsto \color{blue}{\frac{1 - m}{\frac{v}{{m}^{2}}}} \]
    10. Step-by-step derivation
      1. associate-/r/99.9%

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

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

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

      \[\leadsto \color{blue}{\left(\frac{1 - m}{v} \cdot m\right) \cdot m} \]
    12. Taylor expanded in m around inf 98.8%

      \[\leadsto \left(\color{blue}{\left(-1 \cdot \frac{m}{v}\right)} \cdot m\right) \cdot m \]
    13. Step-by-step derivation
      1. neg-mul-198.8%

        \[\leadsto \left(\color{blue}{\left(-\frac{m}{v}\right)} \cdot m\right) \cdot m \]
      2. distribute-neg-frac298.8%

        \[\leadsto \left(\color{blue}{\frac{m}{-v}} \cdot m\right) \cdot m \]
    14. Simplified98.8%

      \[\leadsto \left(\color{blue}{\frac{m}{-v}} \cdot m\right) \cdot m \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.7%

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

Alternative 7: 87.6% accurate, 0.9× 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. associate-/l*99.7%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 96.4%

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg96.4%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval96.4%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in96.5%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative96.5%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-196.5%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{\left(-m\right)} \]
      6. unsub-neg96.5%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} - m} \]
      7. associate-/l*83.4%

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow283.4%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified83.4%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Step-by-step derivation
      1. unpow283.4%

        \[\leadsto \frac{\color{blue}{m \cdot m}}{v} - m \]
      2. add-sqr-sqrt83.2%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} - m \]
      3. sqrt-unprod47.7%

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} - m \]
      4. sqr-neg47.7%

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

        \[\leadsto \frac{m \cdot m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} - m \]
      6. add-sqr-sqrt49.8%

        \[\leadsto \frac{m \cdot m}{\color{blue}{-v}} - m \]
      7. associate-*l/49.7%

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

        \[\leadsto \frac{m}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \cdot m - m \]
      9. sqrt-unprod48.2%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{\left(-v\right) \cdot \left(-v\right)}}} \cdot m - m \]
      10. sqr-neg48.2%

        \[\leadsto \frac{m}{\sqrt{\color{blue}{v \cdot v}}} \cdot m - m \]
      11. sqrt-unprod96.2%

        \[\leadsto \frac{m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \cdot m - m \]
      12. add-sqr-sqrt96.5%

        \[\leadsto \frac{m}{\color{blue}{v}} \cdot m - m \]
    9. Applied egg-rr96.5%

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

    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. associate-/l*99.9%

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg0.1%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval0.1%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in0.1%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative0.1%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-10.1%

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

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

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow20.1%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified0.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Taylor expanded in m around inf 0.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    9. Step-by-step derivation
      1. *-un-lft-identity0.1%

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

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      3. sqrt-unprod0.1%

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

        \[\leadsto \frac{1 \cdot {m}^{2}}{\sqrt{\color{blue}{\left(-v\right) \cdot \left(-v\right)}}} \]
      5. sqrt-unprod0.0%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      6. add-sqr-sqrt82.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-v}} \]
      7. neg-mul-182.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-1 \cdot v}} \]
      8. times-frac82.5%

        \[\leadsto \color{blue}{\frac{1}{-1} \cdot \frac{{m}^{2}}{v}} \]
      9. metadata-eval82.5%

        \[\leadsto \color{blue}{-1} \cdot \frac{{m}^{2}}{v} \]
      10. unpow282.5%

        \[\leadsto -1 \cdot \frac{\color{blue}{m \cdot m}}{v} \]
      11. add-sqr-sqrt82.5%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      12. sqrt-unprod83.7%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} \]
      13. sqr-neg83.7%

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

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

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{-v}} \]
      16. associate-*r/0.1%

        \[\leadsto -1 \cdot \color{blue}{\left(m \cdot \frac{m}{-v}\right)} \]
      17. *-commutative0.1%

        \[\leadsto \color{blue}{\left(m \cdot \frac{m}{-v}\right) \cdot -1} \]
      18. *-commutative0.1%

        \[\leadsto \color{blue}{\left(\frac{m}{-v} \cdot m\right)} \cdot -1 \]
      19. associate-*l*0.1%

        \[\leadsto \color{blue}{\frac{m}{-v} \cdot \left(m \cdot -1\right)} \]
    10. Applied egg-rr82.5%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification88.8%

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

Alternative 8: 87.6% accurate, 0.9× speedup?

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

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1:\\
\;\;\;\;m \cdot \left(-1 + \frac{m}{v}\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. 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. associate-/l*99.7%

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

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

      \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
    4. Add Preprocessing
    5. Taylor expanded in m around 0 96.4%

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

    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. associate-/l*99.9%

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

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

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

      \[\leadsto \color{blue}{m \cdot \left(\frac{m}{v} - 1\right)} \]
    6. Step-by-step derivation
      1. sub-neg0.1%

        \[\leadsto m \cdot \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      2. metadata-eval0.1%

        \[\leadsto m \cdot \left(\frac{m}{v} + \color{blue}{-1}\right) \]
      3. distribute-lft-in0.1%

        \[\leadsto \color{blue}{m \cdot \frac{m}{v} + m \cdot -1} \]
      4. *-commutative0.1%

        \[\leadsto m \cdot \frac{m}{v} + \color{blue}{-1 \cdot m} \]
      5. neg-mul-10.1%

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

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

        \[\leadsto \color{blue}{\frac{m \cdot m}{v}} - m \]
      8. unpow20.1%

        \[\leadsto \frac{\color{blue}{{m}^{2}}}{v} - m \]
    7. Simplified0.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v} - m} \]
    8. Taylor expanded in m around inf 0.1%

      \[\leadsto \color{blue}{\frac{{m}^{2}}{v}} \]
    9. Step-by-step derivation
      1. *-un-lft-identity0.1%

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

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      3. sqrt-unprod0.1%

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

        \[\leadsto \frac{1 \cdot {m}^{2}}{\sqrt{\color{blue}{\left(-v\right) \cdot \left(-v\right)}}} \]
      5. sqrt-unprod0.0%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{\sqrt{-v} \cdot \sqrt{-v}}} \]
      6. add-sqr-sqrt82.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-v}} \]
      7. neg-mul-182.5%

        \[\leadsto \frac{1 \cdot {m}^{2}}{\color{blue}{-1 \cdot v}} \]
      8. times-frac82.5%

        \[\leadsto \color{blue}{\frac{1}{-1} \cdot \frac{{m}^{2}}{v}} \]
      9. metadata-eval82.5%

        \[\leadsto \color{blue}{-1} \cdot \frac{{m}^{2}}{v} \]
      10. unpow282.5%

        \[\leadsto -1 \cdot \frac{\color{blue}{m \cdot m}}{v} \]
      11. add-sqr-sqrt82.5%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v} \cdot \sqrt{v}}} \]
      12. sqrt-unprod83.7%

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{\sqrt{v \cdot v}}} \]
      13. sqr-neg83.7%

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

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

        \[\leadsto -1 \cdot \frac{m \cdot m}{\color{blue}{-v}} \]
      16. associate-*r/0.1%

        \[\leadsto -1 \cdot \color{blue}{\left(m \cdot \frac{m}{-v}\right)} \]
      17. *-commutative0.1%

        \[\leadsto \color{blue}{\left(m \cdot \frac{m}{-v}\right) \cdot -1} \]
      18. *-commutative0.1%

        \[\leadsto \color{blue}{\left(\frac{m}{-v} \cdot m\right)} \cdot -1 \]
      19. associate-*l*0.1%

        \[\leadsto \color{blue}{\frac{m}{-v} \cdot \left(m \cdot -1\right)} \]
    10. Applied egg-rr82.5%

      \[\leadsto \color{blue}{\frac{m}{v} \cdot \left(-m\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification88.8%

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

Alternative 9: 99.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ m \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right) \end{array} \]
(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(m / Float64(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[(m / N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
m \cdot \left(\frac{m}{\frac{v}{1 - m}} + -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. associate-/l*99.8%

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

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

    \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
  4. Add Preprocessing
  5. Step-by-step derivation
    1. clear-num99.8%

      \[\leadsto m \cdot \left(m \cdot \color{blue}{\frac{1}{\frac{v}{1 - m}}} + -1\right) \]
    2. un-div-inv99.9%

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

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

Alternative 10: 99.8% accurate, 1.0× speedup?

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

\\
m \cdot \left(-1 + m \cdot \frac{1 - m}{v}\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. associate-/l*99.8%

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

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

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

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

Alternative 11: 27.0% 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. associate-/l*99.8%

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

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

    \[\leadsto \color{blue}{m \cdot \left(m \cdot \frac{1 - m}{v} + -1\right)} \]
  4. Add Preprocessing
  5. Taylor expanded in m around 0 25.8%

    \[\leadsto \color{blue}{-1 \cdot m} \]
  6. Step-by-step derivation
    1. neg-mul-125.8%

      \[\leadsto \color{blue}{-m} \]
  7. Simplified25.8%

    \[\leadsto \color{blue}{-m} \]
  8. Add Preprocessing

Reproduce

?
herbie shell --seed 2024089 
(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))