Average Error: 0.2 → 0.2
Time: 4.6s
Precision: 64
\[0.0 \lt m \land 0.0 \lt v \land v \lt 0.25\]
\[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m\]
\[\left(\frac{m}{\frac{v}{{1}^{3} - {m}^{3}} \cdot \left(1 \cdot 1 + \left(\left(-m\right) \cdot \left(-m\right) - 1 \cdot \left(-m\right)\right)\right)} - 1\right) \cdot m\]
\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m
\left(\frac{m}{\frac{v}{{1}^{3} - {m}^{3}} \cdot \left(1 \cdot 1 + \left(\left(-m\right) \cdot \left(-m\right) - 1 \cdot \left(-m\right)\right)\right)} - 1\right) \cdot m
double code(double m, double v) {
	return ((((m * (1.0 - m)) / v) - 1.0) * m);
}
double code(double m, double v) {
	return (((m / ((v / (pow(1.0, 3.0) - pow(m, 3.0))) * ((1.0 * 1.0) + ((-m * -m) - (1.0 * -m))))) - 1.0) * m);
}

Error

Bits error versus m

Bits error versus v

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.2

    \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot m\]
  2. Using strategy rm
  3. Applied sub-neg0.2

    \[\leadsto \left(\frac{m \cdot \color{blue}{\left(1 + \left(-m\right)\right)}}{v} - 1\right) \cdot m\]
  4. Applied distribute-lft-in0.2

    \[\leadsto \left(\frac{\color{blue}{m \cdot 1 + m \cdot \left(-m\right)}}{v} - 1\right) \cdot m\]
  5. Simplified0.2

    \[\leadsto \left(\frac{\color{blue}{1 \cdot m} + m \cdot \left(-m\right)}{v} - 1\right) \cdot m\]
  6. Simplified0.2

    \[\leadsto \left(\frac{1 \cdot m + \color{blue}{\left(-m\right) \cdot m}}{v} - 1\right) \cdot m\]
  7. Using strategy rm
  8. Applied distribute-rgt-out0.2

    \[\leadsto \left(\frac{\color{blue}{m \cdot \left(1 + \left(-m\right)\right)}}{v} - 1\right) \cdot m\]
  9. Applied associate-/l*0.2

    \[\leadsto \left(\color{blue}{\frac{m}{\frac{v}{1 + \left(-m\right)}}} - 1\right) \cdot m\]
  10. Using strategy rm
  11. Applied flip3-+0.2

    \[\leadsto \left(\frac{m}{\frac{v}{\color{blue}{\frac{{1}^{3} + {\left(-m\right)}^{3}}{1 \cdot 1 + \left(\left(-m\right) \cdot \left(-m\right) - 1 \cdot \left(-m\right)\right)}}}} - 1\right) \cdot m\]
  12. Applied associate-/r/0.2

    \[\leadsto \left(\frac{m}{\color{blue}{\frac{v}{{1}^{3} + {\left(-m\right)}^{3}} \cdot \left(1 \cdot 1 + \left(\left(-m\right) \cdot \left(-m\right) - 1 \cdot \left(-m\right)\right)\right)}} - 1\right) \cdot m\]
  13. Simplified0.2

    \[\leadsto \left(\frac{m}{\color{blue}{\frac{v}{{1}^{3} - {m}^{3}}} \cdot \left(1 \cdot 1 + \left(\left(-m\right) \cdot \left(-m\right) - 1 \cdot \left(-m\right)\right)\right)} - 1\right) \cdot m\]
  14. Final simplification0.2

    \[\leadsto \left(\frac{m}{\frac{v}{{1}^{3} - {m}^{3}} \cdot \left(1 \cdot 1 + \left(\left(-m\right) \cdot \left(-m\right) - 1 \cdot \left(-m\right)\right)\right)} - 1\right) \cdot m\]

Reproduce

herbie shell --seed 2020056 
(FPCore (m v)
  :name "a parameter of renormalized beta distribution"
  :precision binary64
  :pre (and (< 0.0 m) (< 0.0 v) (< v 0.25))
  (* (- (/ (* m (- 1 m)) v) 1) m))