b parameter of renormalized beta distribution

Percentage Accurate: 99.9% → 99.9%
Time: 6.2s
Alternatives: 16
Speedup: 1.0×

Specification

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

\\
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right)
\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 16 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: 99.9% accurate, 1.0× speedup?

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

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

Alternative 1: 99.9% accurate, 1.0× speedup?

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

\\
\left(\frac{m - m \cdot m}{v} + -1\right) \cdot \left(1 - m\right)
\end{array}
Derivation
  1. Initial program 100.0%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
  2. Step-by-step derivation
    1. sub-neg100.0%

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

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

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

    \[\leadsto \left(\frac{\color{blue}{m + \left(-m\right) \cdot m}}{v} - 1\right) \cdot \left(1 - m\right) \]
  4. Final simplification100.0%

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

Alternative 2: 97.9% accurate, 1.0× speedup?

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

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

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


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

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Taylor expanded in m around 0 95.9%

      \[\leadsto \left(\frac{\color{blue}{m}}{v} - 1\right) \cdot \left(1 - m\right) \]
    3. Taylor expanded in v around 0 95.9%

      \[\leadsto \color{blue}{-1 \cdot \left(1 - m\right) + \frac{m \cdot \left(1 - m\right)}{v}} \]
    4. Step-by-step derivation
      1. +-commutative95.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} + -1 \cdot \left(1 - m\right)} \]
      2. mul-1-neg95.9%

        \[\leadsto \frac{m \cdot \left(1 - m\right)}{v} + \color{blue}{\left(-\left(1 - m\right)\right)} \]
      3. unsub-neg95.9%

        \[\leadsto \color{blue}{\frac{m \cdot \left(1 - m\right)}{v} - \left(1 - m\right)} \]
    5. Simplified95.9%

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

    if 1 < m

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around inf 99.1%

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{-1 \cdot \frac{{m}^{2}}{v}} + -1\right) \]
    5. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(-m\right)} + -1\right) \]
    7. Taylor expanded in v around 0 99.1%

      \[\leadsto \color{blue}{-1 \cdot \frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    8. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

      \[\leadsto \color{blue}{-\frac{\left(1 - m\right) \cdot \left(m \cdot m\right)}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.6%

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

Alternative 3: 99.7% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.3 \cdot 10^{-25}:\\ \;\;\;\;m + \left(-1 + \frac{m}{v}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m - m \cdot m}{\frac{v}{1 - m}}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 1.3e-25) (+ m (+ -1.0 (/ m v))) (/ (- m (* m m)) (/ v (- 1.0 m)))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.3e-25) {
		tmp = m + (-1.0 + (m / v));
	} else {
		tmp = (m - (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 <= 1.3d-25) then
        tmp = m + ((-1.0d0) + (m / v))
    else
        tmp = (m - (m * m)) / (v / (1.0d0 - m))
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.3e-25) {
		tmp = m + (-1.0 + (m / v));
	} else {
		tmp = (m - (m * m)) / (v / (1.0 - m));
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.3e-25:
		tmp = m + (-1.0 + (m / v))
	else:
		tmp = (m - (m * m)) / (v / (1.0 - m))
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.3e-25)
		tmp = Float64(m + Float64(-1.0 + Float64(m / v)));
	else
		tmp = Float64(Float64(m - Float64(m * m)) / Float64(v / Float64(1.0 - m)));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.3e-25)
		tmp = m + (-1.0 + (m / v));
	else
		tmp = (m - (m * m)) / (v / (1.0 - m));
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.3e-25], N[(m + N[(-1.0 + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(m - N[(m * m), $MachinePrecision]), $MachinePrecision] / N[(v / N[(1.0 - m), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.3 \cdot 10^{-25}:\\
\;\;\;\;m + \left(-1 + \frac{m}{v}\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.3e-25

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    if 1.3e-25 < m

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. sub-neg99.9%

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

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

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

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

      \[\leadsto \color{blue}{\frac{\left(m + -1 \cdot {m}^{2}\right) \cdot \left(1 - m\right)}{v}} \]
    5. Step-by-step derivation
      1. associate-/l*99.9%

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

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

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.3 \cdot 10^{-25}:\\ \;\;\;\;m + \left(-1 + \frac{m}{v}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m - m \cdot m}{\frac{v}{1 - m}}\\ \end{array} \]

Alternative 4: 99.9% accurate, 1.0× speedup?

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

\\
\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)
\end{array}
Derivation
  1. Initial program 100.0%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
  2. Step-by-step derivation
    1. *-commutative100.0%

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

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

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

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

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

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

Alternative 5: 99.9% accurate, 1.0× speedup?

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

\\
\left(1 - m\right) \cdot \left(\frac{m \cdot \left(1 - m\right)}{v} + -1\right)
\end{array}
Derivation
  1. Initial program 100.0%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
  2. Final simplification100.0%

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

Alternative 6: 97.9% accurate, 1.2× speedup?

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

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

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


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

    1. Initial program 99.9%

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

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 95.6%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right) - 1} \]
    5. Step-by-step derivation
      1. distribute-rgt-in95.6%

        \[\leadsto \color{blue}{\left(1 \cdot m + \frac{1}{v} \cdot m\right)} - 1 \]
      2. *-lft-identity95.6%

        \[\leadsto \left(\color{blue}{m} + \frac{1}{v} \cdot m\right) - 1 \]
      3. associate--l+95.6%

        \[\leadsto \color{blue}{m + \left(\frac{1}{v} \cdot m - 1\right)} \]
      4. associate-*l/95.8%

        \[\leadsto m + \left(\color{blue}{\frac{1 \cdot m}{v}} - 1\right) \]
      5. *-lft-identity95.8%

        \[\leadsto m + \left(\frac{\color{blue}{m}}{v} - 1\right) \]
      6. sub-neg95.8%

        \[\leadsto m + \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      7. metadata-eval95.8%

        \[\leadsto m + \left(\frac{m}{v} + \color{blue}{-1}\right) \]
    6. Simplified95.8%

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

    if 1 < m

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around inf 99.1%

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{-1 \cdot \frac{{m}^{2}}{v}} + -1\right) \]
    5. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(-m\right)} + -1\right) \]
    7. Taylor expanded in m around 0 99.1%

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 \cdot \frac{{m}^{2}}{v} - 1\right)} \]
    8. Step-by-step derivation
      1. sub-neg99.1%

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

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(\frac{m \cdot m}{v} \cdot -1 + \color{blue}{-1}\right) \]
      5. distribute-lft1-in99.1%

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(-1 + \color{blue}{-1 \cdot \frac{m \cdot m}{v}}\right) \]
      8. neg-mul-199.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 - \frac{m}{v} \cdot m\right)} \]
    10. Taylor expanded in m around inf 28.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{{m}^{2}}{v} + \frac{{m}^{3}}{v}} \]
    11. Step-by-step derivation
      1. mul-1-neg28.7%

        \[\leadsto \color{blue}{\left(-\frac{{m}^{2}}{v}\right)} + \frac{{m}^{3}}{v} \]
      2. unpow228.7%

        \[\leadsto \left(-\frac{\color{blue}{m \cdot m}}{v}\right) + \frac{{m}^{3}}{v} \]
      3. associate-/l*28.7%

        \[\leadsto \left(-\color{blue}{\frac{m}{\frac{v}{m}}}\right) + \frac{{m}^{3}}{v} \]
      4. neg-sub028.7%

        \[\leadsto \color{blue}{\left(0 - \frac{m}{\frac{v}{m}}\right)} + \frac{{m}^{3}}{v} \]
      5. associate-+l-28.7%

        \[\leadsto \color{blue}{0 - \left(\frac{m}{\frac{v}{m}} - \frac{{m}^{3}}{v}\right)} \]
      6. cube-mult28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \frac{\color{blue}{m \cdot \left(m \cdot m\right)}}{v}\right) \]
      7. associate-*l/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \color{blue}{\frac{m}{v} \cdot \left(m \cdot m\right)}\right) \]
      8. cancel-sign-sub-inv28.7%

        \[\leadsto 0 - \color{blue}{\left(\frac{m}{\frac{v}{m}} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right)} \]
      9. *-rgt-identity28.7%

        \[\leadsto 0 - \left(\color{blue}{\frac{m}{\frac{v}{m}} \cdot 1} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right) \]
      10. distribute-lft-neg-in28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\left(-\frac{m}{v} \cdot \left(m \cdot m\right)\right)}\right) \]
      11. associate-*r*28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\left(\frac{m}{v} \cdot m\right) \cdot m}\right)\right) \]
      12. associate-/r/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\frac{m}{\frac{v}{m}}} \cdot m\right)\right) \]
      13. distribute-rgt-neg-out28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(-m\right)}\right) \]
      14. distribute-lft-in99.1%

        \[\leadsto 0 - \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(1 + \left(-m\right)\right)} \]
      15. sub-neg99.1%

        \[\leadsto 0 - \frac{m}{\frac{v}{m}} \cdot \color{blue}{\left(1 - m\right)} \]
      16. *-commutative99.1%

        \[\leadsto 0 - \color{blue}{\left(1 - m\right) \cdot \frac{m}{\frac{v}{m}}} \]
      17. neg-sub099.1%

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

        \[\leadsto \color{blue}{\left(-\left(1 - m\right)\right) \cdot \frac{m}{\frac{v}{m}}} \]
      19. associate-*r/99.0%

        \[\leadsto \color{blue}{\frac{\left(-\left(1 - m\right)\right) \cdot m}{\frac{v}{m}}} \]
    12. Simplified99.0%

      \[\leadsto \color{blue}{\frac{\left(-1 + m\right) \cdot m}{\frac{v}{m}}} \]
    13. Step-by-step derivation
      1. div-inv99.0%

        \[\leadsto \color{blue}{\left(\left(-1 + m\right) \cdot m\right) \cdot \frac{1}{\frac{v}{m}}} \]
      2. *-commutative99.0%

        \[\leadsto \color{blue}{\left(m \cdot \left(-1 + m\right)\right)} \cdot \frac{1}{\frac{v}{m}} \]
      3. clear-num99.0%

        \[\leadsto \left(m \cdot \left(-1 + m\right)\right) \cdot \color{blue}{\frac{m}{v}} \]
      4. associate-*l*99.0%

        \[\leadsto \color{blue}{m \cdot \left(\left(-1 + m\right) \cdot \frac{m}{v}\right)} \]
      5. +-commutative99.0%

        \[\leadsto m \cdot \left(\color{blue}{\left(m + -1\right)} \cdot \frac{m}{v}\right) \]
    14. Applied egg-rr99.0%

      \[\leadsto \color{blue}{m \cdot \left(\left(m + -1\right) \cdot \frac{m}{v}\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.5%

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

Alternative 7: 97.9% accurate, 1.2× speedup?

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

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

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


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

    1. Initial program 99.9%

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

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 95.6%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right) - 1} \]
    5. Step-by-step derivation
      1. distribute-rgt-in95.6%

        \[\leadsto \color{blue}{\left(1 \cdot m + \frac{1}{v} \cdot m\right)} - 1 \]
      2. *-lft-identity95.6%

        \[\leadsto \left(\color{blue}{m} + \frac{1}{v} \cdot m\right) - 1 \]
      3. associate--l+95.6%

        \[\leadsto \color{blue}{m + \left(\frac{1}{v} \cdot m - 1\right)} \]
      4. associate-*l/95.8%

        \[\leadsto m + \left(\color{blue}{\frac{1 \cdot m}{v}} - 1\right) \]
      5. *-lft-identity95.8%

        \[\leadsto m + \left(\frac{\color{blue}{m}}{v} - 1\right) \]
      6. sub-neg95.8%

        \[\leadsto m + \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      7. metadata-eval95.8%

        \[\leadsto m + \left(\frac{m}{v} + \color{blue}{-1}\right) \]
    6. Simplified95.8%

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

    if 1 < m

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around inf 99.1%

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{-1 \cdot \frac{{m}^{2}}{v}} + -1\right) \]
    5. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(-m\right)} + -1\right) \]
    7. Taylor expanded in m around 0 99.1%

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 \cdot \frac{{m}^{2}}{v} - 1\right)} \]
    8. Step-by-step derivation
      1. sub-neg99.1%

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

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(\frac{m \cdot m}{v} \cdot -1 + \color{blue}{-1}\right) \]
      5. distribute-lft1-in99.1%

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(-1 + \color{blue}{-1 \cdot \frac{m \cdot m}{v}}\right) \]
      8. neg-mul-199.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 - \frac{m}{v} \cdot m\right)} \]
    10. Taylor expanded in m around inf 28.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{{m}^{2}}{v} + \frac{{m}^{3}}{v}} \]
    11. Step-by-step derivation
      1. mul-1-neg28.7%

        \[\leadsto \color{blue}{\left(-\frac{{m}^{2}}{v}\right)} + \frac{{m}^{3}}{v} \]
      2. unpow228.7%

        \[\leadsto \left(-\frac{\color{blue}{m \cdot m}}{v}\right) + \frac{{m}^{3}}{v} \]
      3. associate-/l*28.7%

        \[\leadsto \left(-\color{blue}{\frac{m}{\frac{v}{m}}}\right) + \frac{{m}^{3}}{v} \]
      4. neg-sub028.7%

        \[\leadsto \color{blue}{\left(0 - \frac{m}{\frac{v}{m}}\right)} + \frac{{m}^{3}}{v} \]
      5. associate-+l-28.7%

        \[\leadsto \color{blue}{0 - \left(\frac{m}{\frac{v}{m}} - \frac{{m}^{3}}{v}\right)} \]
      6. cube-mult28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \frac{\color{blue}{m \cdot \left(m \cdot m\right)}}{v}\right) \]
      7. associate-*l/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \color{blue}{\frac{m}{v} \cdot \left(m \cdot m\right)}\right) \]
      8. cancel-sign-sub-inv28.7%

        \[\leadsto 0 - \color{blue}{\left(\frac{m}{\frac{v}{m}} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right)} \]
      9. *-rgt-identity28.7%

        \[\leadsto 0 - \left(\color{blue}{\frac{m}{\frac{v}{m}} \cdot 1} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right) \]
      10. distribute-lft-neg-in28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\left(-\frac{m}{v} \cdot \left(m \cdot m\right)\right)}\right) \]
      11. associate-*r*28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\left(\frac{m}{v} \cdot m\right) \cdot m}\right)\right) \]
      12. associate-/r/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\frac{m}{\frac{v}{m}}} \cdot m\right)\right) \]
      13. distribute-rgt-neg-out28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(-m\right)}\right) \]
      14. distribute-lft-in99.1%

        \[\leadsto 0 - \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(1 + \left(-m\right)\right)} \]
      15. sub-neg99.1%

        \[\leadsto 0 - \frac{m}{\frac{v}{m}} \cdot \color{blue}{\left(1 - m\right)} \]
      16. *-commutative99.1%

        \[\leadsto 0 - \color{blue}{\left(1 - m\right) \cdot \frac{m}{\frac{v}{m}}} \]
      17. neg-sub099.1%

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

        \[\leadsto \color{blue}{\left(-\left(1 - m\right)\right) \cdot \frac{m}{\frac{v}{m}}} \]
      19. associate-*r/99.0%

        \[\leadsto \color{blue}{\frac{\left(-\left(1 - m\right)\right) \cdot m}{\frac{v}{m}}} \]
    12. Simplified99.0%

      \[\leadsto \color{blue}{\frac{\left(-1 + m\right) \cdot m}{\frac{v}{m}}} \]
    13. Step-by-step derivation
      1. div-inv99.0%

        \[\leadsto \color{blue}{\left(\left(-1 + m\right) \cdot m\right) \cdot \frac{1}{\frac{v}{m}}} \]
      2. clear-num99.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(m + -1\right) \cdot \frac{m \cdot m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.5%

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

Alternative 8: 97.9% accurate, 1.2× speedup?

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

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

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


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

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Taylor expanded in m around 0 95.9%

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

    if 1 < m

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around inf 99.1%

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{-1 \cdot \frac{{m}^{2}}{v}} + -1\right) \]
    5. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(-m\right)} + -1\right) \]
    7. Taylor expanded in m around 0 99.1%

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 \cdot \frac{{m}^{2}}{v} - 1\right)} \]
    8. Step-by-step derivation
      1. sub-neg99.1%

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

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(\frac{m \cdot m}{v} \cdot -1 + \color{blue}{-1}\right) \]
      5. distribute-lft1-in99.1%

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(-1 + \color{blue}{-1 \cdot \frac{m \cdot m}{v}}\right) \]
      8. neg-mul-199.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 - \frac{m}{v} \cdot m\right)} \]
    10. Taylor expanded in m around inf 28.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{{m}^{2}}{v} + \frac{{m}^{3}}{v}} \]
    11. Step-by-step derivation
      1. mul-1-neg28.7%

        \[\leadsto \color{blue}{\left(-\frac{{m}^{2}}{v}\right)} + \frac{{m}^{3}}{v} \]
      2. unpow228.7%

        \[\leadsto \left(-\frac{\color{blue}{m \cdot m}}{v}\right) + \frac{{m}^{3}}{v} \]
      3. associate-/l*28.7%

        \[\leadsto \left(-\color{blue}{\frac{m}{\frac{v}{m}}}\right) + \frac{{m}^{3}}{v} \]
      4. neg-sub028.7%

        \[\leadsto \color{blue}{\left(0 - \frac{m}{\frac{v}{m}}\right)} + \frac{{m}^{3}}{v} \]
      5. associate-+l-28.7%

        \[\leadsto \color{blue}{0 - \left(\frac{m}{\frac{v}{m}} - \frac{{m}^{3}}{v}\right)} \]
      6. cube-mult28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \frac{\color{blue}{m \cdot \left(m \cdot m\right)}}{v}\right) \]
      7. associate-*l/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \color{blue}{\frac{m}{v} \cdot \left(m \cdot m\right)}\right) \]
      8. cancel-sign-sub-inv28.7%

        \[\leadsto 0 - \color{blue}{\left(\frac{m}{\frac{v}{m}} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right)} \]
      9. *-rgt-identity28.7%

        \[\leadsto 0 - \left(\color{blue}{\frac{m}{\frac{v}{m}} \cdot 1} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right) \]
      10. distribute-lft-neg-in28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\left(-\frac{m}{v} \cdot \left(m \cdot m\right)\right)}\right) \]
      11. associate-*r*28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\left(\frac{m}{v} \cdot m\right) \cdot m}\right)\right) \]
      12. associate-/r/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\frac{m}{\frac{v}{m}}} \cdot m\right)\right) \]
      13. distribute-rgt-neg-out28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(-m\right)}\right) \]
      14. distribute-lft-in99.1%

        \[\leadsto 0 - \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(1 + \left(-m\right)\right)} \]
      15. sub-neg99.1%

        \[\leadsto 0 - \frac{m}{\frac{v}{m}} \cdot \color{blue}{\left(1 - m\right)} \]
      16. *-commutative99.1%

        \[\leadsto 0 - \color{blue}{\left(1 - m\right) \cdot \frac{m}{\frac{v}{m}}} \]
      17. neg-sub099.1%

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

        \[\leadsto \color{blue}{\left(-\left(1 - m\right)\right) \cdot \frac{m}{\frac{v}{m}}} \]
      19. associate-*r/99.0%

        \[\leadsto \color{blue}{\frac{\left(-\left(1 - m\right)\right) \cdot m}{\frac{v}{m}}} \]
    12. Simplified99.0%

      \[\leadsto \color{blue}{\frac{\left(-1 + m\right) \cdot m}{\frac{v}{m}}} \]
    13. Step-by-step derivation
      1. div-inv99.0%

        \[\leadsto \color{blue}{\left(\left(-1 + m\right) \cdot m\right) \cdot \frac{1}{\frac{v}{m}}} \]
      2. clear-num99.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(m + -1\right) \cdot \frac{m \cdot m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.6%

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

Alternative 9: 97.9% accurate, 1.2× speedup?

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

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

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


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

    1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Taylor expanded in m around 0 95.9%

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

    if 1 < m

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around inf 99.1%

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{-1 \cdot \frac{{m}^{2}}{v}} + -1\right) \]
    5. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(-m\right)} + -1\right) \]
    7. Taylor expanded in v around 0 99.1%

      \[\leadsto \color{blue}{-1 \cdot \frac{{m}^{2} \cdot \left(1 - m\right)}{v}} \]
    8. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

      \[\leadsto \color{blue}{-\frac{\left(1 - m\right) \cdot \left(m \cdot m\right)}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification97.6%

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

Alternative 10: 97.8% accurate, 1.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.6:\\ \;\;\;\;m + \left(-1 + \frac{m}{v}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m \cdot m}{\frac{v}{m}}\\ \end{array} \end{array} \]
(FPCore (m v)
 :precision binary64
 (if (<= m 2.6) (+ m (+ -1.0 (/ m v))) (/ (* m m) (/ v m))))
double code(double m, double v) {
	double tmp;
	if (m <= 2.6) {
		tmp = m + (-1.0 + (m / v));
	} 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 <= 2.6d0) then
        tmp = m + ((-1.0d0) + (m / v))
    else
        tmp = (m * m) / (v / m)
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.6) {
		tmp = m + (-1.0 + (m / v));
	} else {
		tmp = (m * m) / (v / m);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.6:
		tmp = m + (-1.0 + (m / v))
	else:
		tmp = (m * m) / (v / m)
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.6)
		tmp = Float64(m + Float64(-1.0 + Float64(m / v)));
	else
		tmp = Float64(Float64(m * m) / Float64(v / m));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.6)
		tmp = m + (-1.0 + (m / v));
	else
		tmp = (m * m) / (v / m);
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.6], N[(m + N[(-1.0 + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(m * m), $MachinePrecision] / N[(v / m), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.6:\\
\;\;\;\;m + \left(-1 + \frac{m}{v}\right)\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.60000000000000009

    1. Initial program 99.9%

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

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 95.6%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right) - 1} \]
    5. Step-by-step derivation
      1. distribute-rgt-in95.6%

        \[\leadsto \color{blue}{\left(1 \cdot m + \frac{1}{v} \cdot m\right)} - 1 \]
      2. *-lft-identity95.6%

        \[\leadsto \left(\color{blue}{m} + \frac{1}{v} \cdot m\right) - 1 \]
      3. associate--l+95.6%

        \[\leadsto \color{blue}{m + \left(\frac{1}{v} \cdot m - 1\right)} \]
      4. associate-*l/95.8%

        \[\leadsto m + \left(\color{blue}{\frac{1 \cdot m}{v}} - 1\right) \]
      5. *-lft-identity95.8%

        \[\leadsto m + \left(\frac{\color{blue}{m}}{v} - 1\right) \]
      6. sub-neg95.8%

        \[\leadsto m + \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      7. metadata-eval95.8%

        \[\leadsto m + \left(\frac{m}{v} + \color{blue}{-1}\right) \]
    6. Simplified95.8%

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

    if 2.60000000000000009 < m

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around inf 99.1%

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{-1 \cdot \frac{{m}^{2}}{v}} + -1\right) \]
    5. Step-by-step derivation
      1. mul-1-neg99.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \left(\color{blue}{\frac{m}{v} \cdot \left(-m\right)} + -1\right) \]
    7. Taylor expanded in m around 0 99.1%

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 \cdot \frac{{m}^{2}}{v} - 1\right)} \]
    8. Step-by-step derivation
      1. sub-neg99.1%

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

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(\frac{m \cdot m}{v} \cdot -1 + \color{blue}{-1}\right) \]
      5. distribute-lft1-in99.1%

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

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

        \[\leadsto \left(1 - m\right) \cdot \left(-1 + \color{blue}{-1 \cdot \frac{m \cdot m}{v}}\right) \]
      8. neg-mul-199.1%

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

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

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

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

      \[\leadsto \left(1 - m\right) \cdot \color{blue}{\left(-1 - \frac{m}{v} \cdot m\right)} \]
    10. Taylor expanded in m around inf 28.7%

      \[\leadsto \color{blue}{-1 \cdot \frac{{m}^{2}}{v} + \frac{{m}^{3}}{v}} \]
    11. Step-by-step derivation
      1. mul-1-neg28.7%

        \[\leadsto \color{blue}{\left(-\frac{{m}^{2}}{v}\right)} + \frac{{m}^{3}}{v} \]
      2. unpow228.7%

        \[\leadsto \left(-\frac{\color{blue}{m \cdot m}}{v}\right) + \frac{{m}^{3}}{v} \]
      3. associate-/l*28.7%

        \[\leadsto \left(-\color{blue}{\frac{m}{\frac{v}{m}}}\right) + \frac{{m}^{3}}{v} \]
      4. neg-sub028.7%

        \[\leadsto \color{blue}{\left(0 - \frac{m}{\frac{v}{m}}\right)} + \frac{{m}^{3}}{v} \]
      5. associate-+l-28.7%

        \[\leadsto \color{blue}{0 - \left(\frac{m}{\frac{v}{m}} - \frac{{m}^{3}}{v}\right)} \]
      6. cube-mult28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \frac{\color{blue}{m \cdot \left(m \cdot m\right)}}{v}\right) \]
      7. associate-*l/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} - \color{blue}{\frac{m}{v} \cdot \left(m \cdot m\right)}\right) \]
      8. cancel-sign-sub-inv28.7%

        \[\leadsto 0 - \color{blue}{\left(\frac{m}{\frac{v}{m}} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right)} \]
      9. *-rgt-identity28.7%

        \[\leadsto 0 - \left(\color{blue}{\frac{m}{\frac{v}{m}} \cdot 1} + \left(-\frac{m}{v}\right) \cdot \left(m \cdot m\right)\right) \]
      10. distribute-lft-neg-in28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\left(-\frac{m}{v} \cdot \left(m \cdot m\right)\right)}\right) \]
      11. associate-*r*28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\left(\frac{m}{v} \cdot m\right) \cdot m}\right)\right) \]
      12. associate-/r/28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \left(-\color{blue}{\frac{m}{\frac{v}{m}}} \cdot m\right)\right) \]
      13. distribute-rgt-neg-out28.7%

        \[\leadsto 0 - \left(\frac{m}{\frac{v}{m}} \cdot 1 + \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(-m\right)}\right) \]
      14. distribute-lft-in99.1%

        \[\leadsto 0 - \color{blue}{\frac{m}{\frac{v}{m}} \cdot \left(1 + \left(-m\right)\right)} \]
      15. sub-neg99.1%

        \[\leadsto 0 - \frac{m}{\frac{v}{m}} \cdot \color{blue}{\left(1 - m\right)} \]
      16. *-commutative99.1%

        \[\leadsto 0 - \color{blue}{\left(1 - m\right) \cdot \frac{m}{\frac{v}{m}}} \]
      17. neg-sub099.1%

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

        \[\leadsto \color{blue}{\left(-\left(1 - m\right)\right) \cdot \frac{m}{\frac{v}{m}}} \]
      19. associate-*r/99.0%

        \[\leadsto \color{blue}{\frac{\left(-\left(1 - m\right)\right) \cdot m}{\frac{v}{m}}} \]
    12. Simplified99.0%

      \[\leadsto \color{blue}{\frac{\left(-1 + m\right) \cdot m}{\frac{v}{m}}} \]
    13. Taylor expanded in m around inf 98.9%

      \[\leadsto \frac{\color{blue}{{m}^{2}}}{\frac{v}{m}} \]
    14. Step-by-step derivation
      1. unpow298.9%

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

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

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.6:\\ \;\;\;\;m + \left(-1 + \frac{m}{v}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{m \cdot m}{\frac{v}{m}}\\ \end{array} \]

Alternative 11: 63.3% accurate, 1.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 1.85 \cdot 10^{-155}:\\ \;\;\;\;-1\\ \mathbf{else}:\\ \;\;\;\;m + \frac{m}{v}\\ \end{array} \end{array} \]
(FPCore (m v) :precision binary64 (if (<= m 1.85e-155) -1.0 (+ m (/ m v))))
double code(double m, double v) {
	double tmp;
	if (m <= 1.85e-155) {
		tmp = -1.0;
	} else {
		tmp = m + (m / v);
	}
	return tmp;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    real(8) :: tmp
    if (m <= 1.85d-155) then
        tmp = -1.0d0
    else
        tmp = m + (m / v)
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 1.85e-155) {
		tmp = -1.0;
	} else {
		tmp = m + (m / v);
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 1.85e-155:
		tmp = -1.0
	else:
		tmp = m + (m / v)
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 1.85e-155)
		tmp = -1.0;
	else
		tmp = Float64(m + Float64(m / v));
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.85e-155)
		tmp = -1.0;
	else
		tmp = m + (m / v);
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 1.85e-155], -1.0, N[(m + N[(m / v), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 1.85 \cdot 10^{-155}:\\
\;\;\;\;-1\\

\mathbf{else}:\\
\;\;\;\;m + \frac{m}{v}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 1.85e-155

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 80.6%

      \[\leadsto \color{blue}{-1} \]

    if 1.85e-155 < m

    1. Initial program 99.9%

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

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 63.0%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right) - 1} \]
    5. Step-by-step derivation
      1. distribute-rgt-in63.0%

        \[\leadsto \color{blue}{\left(1 \cdot m + \frac{1}{v} \cdot m\right)} - 1 \]
      2. *-lft-identity63.0%

        \[\leadsto \left(\color{blue}{m} + \frac{1}{v} \cdot m\right) - 1 \]
      3. associate--l+63.0%

        \[\leadsto \color{blue}{m + \left(\frac{1}{v} \cdot m - 1\right)} \]
      4. associate-*l/63.1%

        \[\leadsto m + \left(\color{blue}{\frac{1 \cdot m}{v}} - 1\right) \]
      5. *-lft-identity63.1%

        \[\leadsto m + \left(\frac{\color{blue}{m}}{v} - 1\right) \]
      6. sub-neg63.1%

        \[\leadsto m + \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      7. metadata-eval63.1%

        \[\leadsto m + \left(\frac{m}{v} + \color{blue}{-1}\right) \]
    6. Simplified63.1%

      \[\leadsto \color{blue}{m + \left(\frac{m}{v} + -1\right)} \]
    7. Taylor expanded in m around inf 55.5%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right)} \]
    8. Step-by-step derivation
      1. distribute-rgt-in55.5%

        \[\leadsto \color{blue}{1 \cdot m + \frac{1}{v} \cdot m} \]
      2. *-lft-identity55.5%

        \[\leadsto \color{blue}{m} + \frac{1}{v} \cdot m \]
      3. associate-*l/55.6%

        \[\leadsto m + \color{blue}{\frac{1 \cdot m}{v}} \]
      4. *-lft-identity55.6%

        \[\leadsto m + \frac{\color{blue}{m}}{v} \]
    9. Simplified55.6%

      \[\leadsto \color{blue}{m + \frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 1.85 \cdot 10^{-155}:\\ \;\;\;\;-1\\ \mathbf{else}:\\ \;\;\;\;m + \frac{m}{v}\\ \end{array} \]

Alternative 12: 76.7% accurate, 1.9× speedup?

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

\\
m + \left(-1 + \frac{m}{v}\right)
\end{array}
Derivation
  1. Initial program 100.0%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
  2. Step-by-step derivation
    1. *-commutative100.0%

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

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

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

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

    \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
  4. Taylor expanded in m around 0 71.1%

    \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right) - 1} \]
  5. Step-by-step derivation
    1. distribute-rgt-in71.1%

      \[\leadsto \color{blue}{\left(1 \cdot m + \frac{1}{v} \cdot m\right)} - 1 \]
    2. *-lft-identity71.1%

      \[\leadsto \left(\color{blue}{m} + \frac{1}{v} \cdot m\right) - 1 \]
    3. associate--l+71.1%

      \[\leadsto \color{blue}{m + \left(\frac{1}{v} \cdot m - 1\right)} \]
    4. associate-*l/71.2%

      \[\leadsto m + \left(\color{blue}{\frac{1 \cdot m}{v}} - 1\right) \]
    5. *-lft-identity71.2%

      \[\leadsto m + \left(\frac{\color{blue}{m}}{v} - 1\right) \]
    6. sub-neg71.2%

      \[\leadsto m + \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
    7. metadata-eval71.2%

      \[\leadsto m + \left(\frac{m}{v} + \color{blue}{-1}\right) \]
  6. Simplified71.2%

    \[\leadsto \color{blue}{m + \left(\frac{m}{v} + -1\right)} \]
  7. Final simplification71.2%

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

Alternative 13: 63.3% accurate, 2.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 2.05 \cdot 10^{-155}:\\ \;\;\;\;-1\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v}\\ \end{array} \end{array} \]
(FPCore (m v) :precision binary64 (if (<= m 2.05e-155) -1.0 (/ m v)))
double code(double m, double v) {
	double tmp;
	if (m <= 2.05e-155) {
		tmp = -1.0;
	} else {
		tmp = 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 <= 2.05d-155) then
        tmp = -1.0d0
    else
        tmp = m / v
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 2.05e-155) {
		tmp = -1.0;
	} else {
		tmp = m / v;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 2.05e-155:
		tmp = -1.0
	else:
		tmp = m / v
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 2.05e-155)
		tmp = -1.0;
	else
		tmp = Float64(m / v);
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 2.05e-155)
		tmp = -1.0;
	else
		tmp = m / v;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 2.05e-155], -1.0, N[(m / v), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 2.05 \cdot 10^{-155}:\\
\;\;\;\;-1\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 2.0499999999999999e-155

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 80.6%

      \[\leadsto \color{blue}{-1} \]

    if 2.0499999999999999e-155 < m

    1. Initial program 99.9%

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

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 63.0%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right) - 1} \]
    5. Step-by-step derivation
      1. distribute-rgt-in63.0%

        \[\leadsto \color{blue}{\left(1 \cdot m + \frac{1}{v} \cdot m\right)} - 1 \]
      2. *-lft-identity63.0%

        \[\leadsto \left(\color{blue}{m} + \frac{1}{v} \cdot m\right) - 1 \]
      3. associate--l+63.0%

        \[\leadsto \color{blue}{m + \left(\frac{1}{v} \cdot m - 1\right)} \]
      4. associate-*l/63.1%

        \[\leadsto m + \left(\color{blue}{\frac{1 \cdot m}{v}} - 1\right) \]
      5. *-lft-identity63.1%

        \[\leadsto m + \left(\frac{\color{blue}{m}}{v} - 1\right) \]
      6. sub-neg63.1%

        \[\leadsto m + \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      7. metadata-eval63.1%

        \[\leadsto m + \left(\frac{m}{v} + \color{blue}{-1}\right) \]
    6. Simplified63.1%

      \[\leadsto \color{blue}{m + \left(\frac{m}{v} + -1\right)} \]
    7. Taylor expanded in m around inf 55.5%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right)} \]
    8. Step-by-step derivation
      1. distribute-rgt-in55.5%

        \[\leadsto \color{blue}{1 \cdot m + \frac{1}{v} \cdot m} \]
      2. *-lft-identity55.5%

        \[\leadsto \color{blue}{m} + \frac{1}{v} \cdot m \]
      3. associate-*l/55.6%

        \[\leadsto m + \color{blue}{\frac{1 \cdot m}{v}} \]
      4. *-lft-identity55.6%

        \[\leadsto m + \frac{\color{blue}{m}}{v} \]
    9. Simplified55.6%

      \[\leadsto \color{blue}{m + \frac{m}{v}} \]
    10. Taylor expanded in v around 0 55.6%

      \[\leadsto \color{blue}{\frac{m}{v}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 2.05 \cdot 10^{-155}:\\ \;\;\;\;-1\\ \mathbf{else}:\\ \;\;\;\;\frac{m}{v}\\ \end{array} \]

Alternative 14: 27.6% accurate, 4.2× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;m \leq 7.8 \cdot 10^{-26}:\\ \;\;\;\;-1\\ \mathbf{else}:\\ \;\;\;\;m\\ \end{array} \end{array} \]
(FPCore (m v) :precision binary64 (if (<= m 7.8e-26) -1.0 m))
double code(double m, double v) {
	double tmp;
	if (m <= 7.8e-26) {
		tmp = -1.0;
	} 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 (m <= 7.8d-26) then
        tmp = -1.0d0
    else
        tmp = m
    end if
    code = tmp
end function
public static double code(double m, double v) {
	double tmp;
	if (m <= 7.8e-26) {
		tmp = -1.0;
	} else {
		tmp = m;
	}
	return tmp;
}
def code(m, v):
	tmp = 0
	if m <= 7.8e-26:
		tmp = -1.0
	else:
		tmp = m
	return tmp
function code(m, v)
	tmp = 0.0
	if (m <= 7.8e-26)
		tmp = -1.0;
	else
		tmp = m;
	end
	return tmp
end
function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 7.8e-26)
		tmp = -1.0;
	else
		tmp = m;
	end
	tmp_2 = tmp;
end
code[m_, v_] := If[LessEqual[m, 7.8e-26], -1.0, m]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;m \leq 7.8 \cdot 10^{-26}:\\
\;\;\;\;-1\\

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


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if m < 7.79999999999999973e-26

    1. Initial program 100.0%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
    2. Step-by-step derivation
      1. *-commutative100.0%

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 54.6%

      \[\leadsto \color{blue}{-1} \]

    if 7.79999999999999973e-26 < m

    1. Initial program 99.9%

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

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

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

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

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

      \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
    4. Taylor expanded in m around 0 50.2%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right) - 1} \]
    5. Step-by-step derivation
      1. distribute-rgt-in50.2%

        \[\leadsto \color{blue}{\left(1 \cdot m + \frac{1}{v} \cdot m\right)} - 1 \]
      2. *-lft-identity50.2%

        \[\leadsto \left(\color{blue}{m} + \frac{1}{v} \cdot m\right) - 1 \]
      3. associate--l+50.2%

        \[\leadsto \color{blue}{m + \left(\frac{1}{v} \cdot m - 1\right)} \]
      4. associate-*l/50.2%

        \[\leadsto m + \left(\color{blue}{\frac{1 \cdot m}{v}} - 1\right) \]
      5. *-lft-identity50.2%

        \[\leadsto m + \left(\frac{\color{blue}{m}}{v} - 1\right) \]
      6. sub-neg50.2%

        \[\leadsto m + \color{blue}{\left(\frac{m}{v} + \left(-1\right)\right)} \]
      7. metadata-eval50.2%

        \[\leadsto m + \left(\frac{m}{v} + \color{blue}{-1}\right) \]
    6. Simplified50.2%

      \[\leadsto \color{blue}{m + \left(\frac{m}{v} + -1\right)} \]
    7. Taylor expanded in m around inf 50.2%

      \[\leadsto \color{blue}{m \cdot \left(1 + \frac{1}{v}\right)} \]
    8. Step-by-step derivation
      1. distribute-rgt-in50.2%

        \[\leadsto \color{blue}{1 \cdot m + \frac{1}{v} \cdot m} \]
      2. *-lft-identity50.2%

        \[\leadsto \color{blue}{m} + \frac{1}{v} \cdot m \]
      3. associate-*l/50.2%

        \[\leadsto m + \color{blue}{\frac{1 \cdot m}{v}} \]
      4. *-lft-identity50.2%

        \[\leadsto m + \frac{\color{blue}{m}}{v} \]
    9. Simplified50.2%

      \[\leadsto \color{blue}{m + \frac{m}{v}} \]
    10. Taylor expanded in v around inf 5.4%

      \[\leadsto \color{blue}{m} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification26.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;m \leq 7.8 \cdot 10^{-26}:\\ \;\;\;\;-1\\ \mathbf{else}:\\ \;\;\;\;m\\ \end{array} \]

Alternative 15: 27.6% accurate, 4.3× speedup?

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

\\
m + -1
\end{array}
Derivation
  1. Initial program 100.0%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
  2. Step-by-step derivation
    1. *-commutative100.0%

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

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

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

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

    \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
  4. Taylor expanded in v around inf 25.9%

    \[\leadsto \color{blue}{-1 \cdot \left(1 - m\right)} \]
  5. Step-by-step derivation
    1. neg-mul-125.9%

      \[\leadsto \color{blue}{-\left(1 - m\right)} \]
    2. neg-sub025.9%

      \[\leadsto \color{blue}{0 - \left(1 - m\right)} \]
    3. associate--r-25.9%

      \[\leadsto \color{blue}{\left(0 - 1\right) + m} \]
    4. metadata-eval25.9%

      \[\leadsto \color{blue}{-1} + m \]
  6. Simplified25.9%

    \[\leadsto \color{blue}{-1 + m} \]
  7. Final simplification25.9%

    \[\leadsto m + -1 \]

Alternative 16: 25.1% accurate, 13.0× speedup?

\[\begin{array}{l} \\ -1 \end{array} \]
(FPCore (m v) :precision binary64 -1.0)
double code(double m, double v) {
	return -1.0;
}
real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = -1.0d0
end function
public static double code(double m, double v) {
	return -1.0;
}
def code(m, v):
	return -1.0
function code(m, v)
	return -1.0
end
function tmp = code(m, v)
	tmp = -1.0;
end
code[m_, v_] := -1.0
\begin{array}{l}

\\
-1
\end{array}
Derivation
  1. Initial program 100.0%

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
  2. Step-by-step derivation
    1. *-commutative100.0%

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

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

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

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

    \[\leadsto \color{blue}{\left(1 - m\right) \cdot \left(\frac{m}{\frac{v}{1 - m}} + -1\right)} \]
  4. Taylor expanded in m around 0 23.5%

    \[\leadsto \color{blue}{-1} \]
  5. Final simplification23.5%

    \[\leadsto -1 \]

Reproduce

?
herbie shell --seed 2023293 
(FPCore (m v)
  :name "b 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) (- 1.0 m)))