b parameter of renormalized beta distribution

Percentage Accurate: 99.9% → 99.9%

Time: 8.0s

Alternatives: 9

Speedup: 1.0×

• 42.5% of points produce a very large (infinite) output. You may want to add a precondition.

Specification

\[\left(0 < m \land 0 < v\right) \land v < 0.25\]

Math

\[\begin{array}{l} \\ \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \end{array} \]

FPCore

(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) (- 1.0 m)))

C

double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
}

Fortran

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

Java

public static double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
}

Python

def code(m, v):
	return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m)

Julia

function code(m, v)
	return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * Float64(1.0 - m))
end

MATLAB

function tmp = code(m, v)
	tmp = (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
end

Wolfram

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]

Initial Program: 99.9% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \end{array} \]

FPCore

(FPCore (m v) :precision binary64 (* (- (/ (* m (- 1.0 m)) v) 1.0) (- 1.0 m)))

C

double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
}

Fortran

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

Java

public static double code(double m, double v) {
	return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
}

Python

def code(m, v):
	return (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m)

Julia

function code(m, v)
	return Float64(Float64(Float64(Float64(m * Float64(1.0 - m)) / v) - 1.0) * Float64(1.0 - m))
end

MATLAB

function tmp = code(m, v)
	tmp = (((m * (1.0 - m)) / v) - 1.0) * (1.0 - m);
end

Wolfram

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]

Alternative 1: 99.9% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \left(1 - m\right) \cdot \left(\left(1 - m\right) \cdot \frac{m}{v} + -1\right) \end{array} \]

FPCore

(FPCore (m v) :precision binary64 (* (- 1.0 m) (+ (* (- 1.0 m) (/ m v)) -1.0)))

C

double code(double m, double v) {
	return (1.0 - m) * (((1.0 - m) * (m / v)) + -1.0);
}

Fortran

real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = (1.0d0 - m) * (((1.0d0 - m) * (m / v)) + (-1.0d0))
end function

Java

public static double code(double m, double v) {
	return (1.0 - m) * (((1.0 - m) * (m / v)) + -1.0);
}

Python

def code(m, v):
	return (1.0 - m) * (((1.0 - m) * (m / v)) + -1.0)

Julia

function code(m, v)
	return Float64(Float64(1.0 - m) * Float64(Float64(Float64(1.0 - m) * Float64(m / v)) + -1.0))
end

MATLAB

function tmp = code(m, v)
	tmp = (1.0 - m) * (((1.0 - m) * (m / v)) + -1.0);
end

Wolfram

code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(N[(N[(1.0 - m), $MachinePrecision] * N[(m / v), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 99.9%

   \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
2. Add Preprocessing
3. Step-by-step derivation

   1. *-commutative 99.9%

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

   2. associate-*r/ 99.9%

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

4. Applied egg-rr 99.9%

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

5. Final simplification 99.9%

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

Alternative 2: 87.9% accurate, 0.8× speedup

Math

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

FPCore

(FPCore (m v)
 :precision binary64
 (if (<= m 1.0)
   (+ -1.0 (+ m (/ (* m (- 1.0 m)) v)))
   (* (- 1.0 m) (- -1.0 (/ m v)))))

C

double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v));
	} else {
		tmp = (1.0 - m) * (-1.0 - (m / v));
	}
	return tmp;
}

Fortran

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 + ((m * (1.0d0 - m)) / v))
    else
        tmp = (1.0d0 - m) * ((-1.0d0) - (m / v))
    end if
    code = tmp
end function

Java

public static double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v));
	} else {
		tmp = (1.0 - m) * (-1.0 - (m / v));
	}
	return tmp;
}

Python

def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v))
	else:
		tmp = (1.0 - m) * (-1.0 - (m / v))
	return tmp

Julia

function code(m, v)
	tmp = 0.0
	if (m <= 1.0)
		tmp = Float64(-1.0 + Float64(m + Float64(Float64(m * Float64(1.0 - m)) / v)));
	else
		tmp = Float64(Float64(1.0 - m) * Float64(-1.0 - Float64(m / v)));
	end
	return tmp
end

MATLAB

function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.0)
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v));
	else
		tmp = (1.0 - m) * (-1.0 - (m / v));
	end
	tmp_2 = tmp;
end

Wolfram

code[m_, v_] := If[LessEqual[m, 1.0], N[(-1.0 + N[(m + N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 - m), $MachinePrecision] * N[(-1.0 - N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if m < 1

   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. *-commutative 100.0%

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

      2. sub-neg 100.0%

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

      3. associate-/l* 99.7%

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

      4. metadata-eval 99.7%

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

   3. Simplified 99.7%

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

      1. distribute-rgt-in 99.7%

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

      2. associate-*r/ 100.0%

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

      3. clear-num 99.8%

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

      4. associate-*l/ 99.8%

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

      5. *-un-lft-identity 99.8%

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

      6. associate-/r* 99.8%

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

      7. neg-mul-1 99.8%

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

   6. Applied egg-rr 99.8%

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

   7. Taylor expanded in m around 0 97.4%

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

   8. Taylor expanded in v around inf 97.6%

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

   if 1 < m

   1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
   2. Add Preprocessing
   3. Step-by-step derivation

      1. *-commutative 99.9%

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

      2. associate-*r/ 99.9%

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

   4. Applied egg-rr 99.9%

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

      1. associate-*r/ 99.9%

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

      2. clear-num 99.9%

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

      3. associate-/l/ 99.9%

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

      4. associate-/l/ 99.9%

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

      5. add-sqr-sqrt 99.8%

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

      6. sqrt-unprod 95.2%

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

      7. sqr-neg 95.2%

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

      8. sqrt-unprod 0.0%

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

      9. add-sqr-sqrt 0.1%

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

      10. distribute-neg-frac 0.1%

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

      11. associate-/l/ 0.1%

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

      12. associate-/l/ 0.1%

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

      13. distribute-neg-frac 0.1%

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

      14. add-sqr-sqrt 0.0%

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

      15. sqrt-unprod 95.2%

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

      16. sqr-neg 95.2%

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

      17. sqrt-unprod 99.8%

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

      18. add-sqr-sqrt 99.9%

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

      19. *-commutative 99.9%

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

   6. Applied egg-rr 99.9%

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

   7. Taylor expanded in m around 0 0.1%

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

      1. clear-num 0.1%

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

      2. add-sqr-sqrt 0.1%

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

      3. sqrt-unprod 0.1%

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

      4. sqr-neg 0.1%

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

      5. sqrt-unprod 0.0%

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

      6. add-sqr-sqrt 77.8%

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

      7. distribute-frac-neg2 77.8%

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

      8. clear-num 77.8%

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

      9. neg-sub0 77.8%

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

      10. clear-num 77.8%

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

   9. Applied egg-rr 77.8%

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

       1. neg-sub0 77.8%

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

       2. distribute-neg-frac2 77.8%

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

   11. Simplified 77.8%

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

4. Final simplification 88.4%

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

Alternative 3: 98.2% accurate, 0.8× speedup

Math

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

FPCore

(FPCore (m v)
 :precision binary64
 (if (<= m 1.0)
   (+ -1.0 (+ m (/ (* m (- 1.0 m)) v)))
   (* (+ m -1.0) (- (* m (/ m v)) -1.0))))

C

double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v));
	} else {
		tmp = (m + -1.0) * ((m * (m / v)) - -1.0);
	}
	return tmp;
}

Fortran

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 + ((m * (1.0d0 - m)) / v))
    else
        tmp = (m + (-1.0d0)) * ((m * (m / v)) - (-1.0d0))
    end if
    code = tmp
end function

Java

public static double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v));
	} else {
		tmp = (m + -1.0) * ((m * (m / v)) - -1.0);
	}
	return tmp;
}

Python

def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v))
	else:
		tmp = (m + -1.0) * ((m * (m / v)) - -1.0)
	return tmp

Julia

function code(m, v)
	tmp = 0.0
	if (m <= 1.0)
		tmp = Float64(-1.0 + Float64(m + Float64(Float64(m * Float64(1.0 - m)) / v)));
	else
		tmp = Float64(Float64(m + -1.0) * Float64(Float64(m * Float64(m / v)) - -1.0));
	end
	return tmp
end

MATLAB

function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.0)
		tmp = -1.0 + (m + ((m * (1.0 - m)) / v));
	else
		tmp = (m + -1.0) * ((m * (m / v)) - -1.0);
	end
	tmp_2 = tmp;
end

Wolfram

code[m_, v_] := If[LessEqual[m, 1.0], N[(-1.0 + N[(m + N[(N[(m * N[(1.0 - m), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(m + -1.0), $MachinePrecision] * N[(N[(m * N[(m / v), $MachinePrecision]), $MachinePrecision] - -1.0), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if m < 1

   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. *-commutative 100.0%

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

      2. sub-neg 100.0%

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

      3. associate-/l* 99.7%

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

      4. metadata-eval 99.7%

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

   3. Simplified 99.7%

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

      1. distribute-rgt-in 99.7%

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

      2. associate-*r/ 100.0%

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

      3. clear-num 99.8%

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

      4. associate-*l/ 99.8%

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

      5. *-un-lft-identity 99.8%

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

      6. associate-/r* 99.8%

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

      7. neg-mul-1 99.8%

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

   6. Applied egg-rr 99.8%

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

   7. Taylor expanded in m around 0 97.4%

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

   8. Taylor expanded in v around inf 97.6%

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

   if 1 < 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. *-commutative 99.9%

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

      2. sub-neg 99.9%

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

      3. associate-/l* 99.9%

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

      4. metadata-eval 99.9%

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

   3. Simplified 99.9%

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

   5. Taylor expanded in m around inf 96.4%

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

      1. neg-mul-1 96.4%

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

      2. distribute-neg-frac2 96.4%

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

   7. Simplified 96.4%

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

4. Final simplification 97.0%

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

Alternative 4: 87.9% accurate, 0.9× speedup

Math

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

FPCore

(FPCore (m v)
 :precision binary64
 (if (<= m 1.0) (* (- 1.0 m) (+ (/ m v) -1.0)) (* (- 1.0 m) (- -1.0 (/ m v)))))

C

double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (1.0 - m) * ((m / v) + -1.0);
	} else {
		tmp = (1.0 - m) * (-1.0 - (m / v));
	}
	return tmp;
}

Fortran

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) * ((m / v) + (-1.0d0))
    else
        tmp = (1.0d0 - m) * ((-1.0d0) - (m / v))
    end if
    code = tmp
end function

Java

public static double code(double m, double v) {
	double tmp;
	if (m <= 1.0) {
		tmp = (1.0 - m) * ((m / v) + -1.0);
	} else {
		tmp = (1.0 - m) * (-1.0 - (m / v));
	}
	return tmp;
}

Python

def code(m, v):
	tmp = 0
	if m <= 1.0:
		tmp = (1.0 - m) * ((m / v) + -1.0)
	else:
		tmp = (1.0 - m) * (-1.0 - (m / v))
	return tmp

Julia

function code(m, v)
	tmp = 0.0
	if (m <= 1.0)
		tmp = Float64(Float64(1.0 - m) * Float64(Float64(m / v) + -1.0));
	else
		tmp = Float64(Float64(1.0 - m) * Float64(-1.0 - Float64(m / v)));
	end
	return tmp
end

MATLAB

function tmp_2 = code(m, v)
	tmp = 0.0;
	if (m <= 1.0)
		tmp = (1.0 - m) * ((m / v) + -1.0);
	else
		tmp = (1.0 - m) * (-1.0 - (m / v));
	end
	tmp_2 = tmp;
end

Wolfram

code[m_, v_] := If[LessEqual[m, 1.0], N[(N[(1.0 - m), $MachinePrecision] * N[(N[(m / v), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision], N[(N[(1.0 - m), $MachinePrecision] * N[(-1.0 - N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if m < 1

   1. Initial program 100.0%

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

   3. Taylor expanded in m around 0 97.6%

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

   if 1 < m

   1. Initial program 99.9%

      \[\left(\frac{m \cdot \left(1 - m\right)}{v} - 1\right) \cdot \left(1 - m\right) \]
   2. Add Preprocessing
   3. Step-by-step derivation

      1. *-commutative 99.9%

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

      2. associate-*r/ 99.9%

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

   4. Applied egg-rr 99.9%

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

      1. associate-*r/ 99.9%

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

      2. clear-num 99.9%

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

      3. associate-/l/ 99.9%

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

      4. associate-/l/ 99.9%

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

      5. add-sqr-sqrt 99.8%

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

      6. sqrt-unprod 95.2%

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

      7. sqr-neg 95.2%

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

      8. sqrt-unprod 0.0%

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

      9. add-sqr-sqrt 0.1%

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

      10. distribute-neg-frac 0.1%

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

      11. associate-/l/ 0.1%

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

      12. associate-/l/ 0.1%

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

      13. distribute-neg-frac 0.1%

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

      14. add-sqr-sqrt 0.0%

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

      15. sqrt-unprod 95.2%

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

      16. sqr-neg 95.2%

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

      17. sqrt-unprod 99.8%

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

      18. add-sqr-sqrt 99.9%

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

      19. *-commutative 99.9%

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

   6. Applied egg-rr 99.9%

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

   7. Taylor expanded in m around 0 0.1%

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

      1. clear-num 0.1%

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

      2. add-sqr-sqrt 0.1%

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

      3. sqrt-unprod 0.1%

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

      4. sqr-neg 0.1%

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

      5. sqrt-unprod 0.0%

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

      6. add-sqr-sqrt 77.8%

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

      7. distribute-frac-neg2 77.8%

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

      8. clear-num 77.8%

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

      9. neg-sub0 77.8%

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

      10. clear-num 77.8%

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

   9. Applied egg-rr 77.8%

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

       1. neg-sub0 77.8%

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

       2. distribute-neg-frac2 77.8%

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

   11. Simplified 77.8%

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

4. Final simplification 88.4%

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

Alternative 5: 99.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \left(1 - m\right) \cdot \left(-1 + m \cdot \frac{1 - m}{v}\right) \end{array} \]

FPCore

(FPCore (m v) :precision binary64 (* (- 1.0 m) (+ -1.0 (* m (/ (- 1.0 m) v)))))

C

double code(double m, double v) {
	return (1.0 - m) * (-1.0 + (m * ((1.0 - m) / v)));
}

Fortran

real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = (1.0d0 - m) * ((-1.0d0) + (m * ((1.0d0 - m) / v)))
end function

Java

public static double code(double m, double v) {
	return (1.0 - m) * (-1.0 + (m * ((1.0 - m) / v)));
}

Python

def code(m, v):
	return (1.0 - m) * (-1.0 + (m * ((1.0 - m) / v)))

Julia

function code(m, v)
	return Float64(Float64(1.0 - m) * Float64(-1.0 + Float64(m * Float64(Float64(1.0 - m) / v))))
end

MATLAB

function tmp = code(m, v)
	tmp = (1.0 - m) * (-1.0 + (m * ((1.0 - m) / v)));
end

Wolfram

code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(-1.0 + N[(m * N[(N[(1.0 - m), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

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. *-commutative 99.9%

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

   2. sub-neg 99.9%

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

   3. associate-/l* 99.8%

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

   4. metadata-eval 99.8%

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

3. Simplified 99.8%

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

5. Final simplification 99.8%

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

Alternative 6: 99.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ \left(1 - m\right) \cdot \left(\frac{1 - m}{\frac{v}{m}} + -1\right) \end{array} \]

FPCore

(FPCore (m v) :precision binary64 (* (- 1.0 m) (+ (/ (- 1.0 m) (/ v m)) -1.0)))

C

double code(double m, double v) {
	return (1.0 - m) * (((1.0 - m) / (v / m)) + -1.0);
}

Fortran

real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = (1.0d0 - m) * (((1.0d0 - m) / (v / m)) + (-1.0d0))
end function

Java

public static double code(double m, double v) {
	return (1.0 - m) * (((1.0 - m) / (v / m)) + -1.0);
}

Python

def code(m, v):
	return (1.0 - m) * (((1.0 - m) / (v / m)) + -1.0)

Julia

function code(m, v)
	return Float64(Float64(1.0 - m) * Float64(Float64(Float64(1.0 - m) / Float64(v / m)) + -1.0))
end

MATLAB

function tmp = code(m, v)
	tmp = (1.0 - m) * (((1.0 - m) / (v / m)) + -1.0);
end

Wolfram

code[m_, v_] := N[(N[(1.0 - m), $MachinePrecision] * N[(N[(N[(1.0 - m), $MachinePrecision] / N[(v / m), $MachinePrecision]), $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision]

Derivation

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. *-commutative 99.9%

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

   2. sub-neg 99.9%

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

   3. associate-/l* 99.8%

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

   4. metadata-eval 99.8%

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

3. Simplified 99.8%

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

   1. *-commutative 99.8%

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

   2. div-inv 99.8%

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

   3. associate-*l* 99.8%

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

   4. associate-/r/ 99.8%

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

   5. un-div-inv 99.8%

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

6. Applied egg-rr 99.8%

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

7. Final simplification 99.8%

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

Alternative 7: 75.7% accurate, 1.9× speedup

Math

\[\begin{array}{l} \\ -1 + \left(m + \frac{m}{v}\right) \end{array} \]

FPCore

(FPCore (m v) :precision binary64 (+ -1.0 (+ m (/ m v))))

C

double code(double m, double v) {
	return -1.0 + (m + (m / v));
}

Fortran

real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = (-1.0d0) + (m + (m / v))
end function

Java

public static double code(double m, double v) {
	return -1.0 + (m + (m / v));
}

Python

def code(m, v):
	return -1.0 + (m + (m / v))

Julia

function code(m, v)
	return Float64(-1.0 + Float64(m + Float64(m / v)))
end

MATLAB

function tmp = code(m, v)
	tmp = -1.0 + (m + (m / v));
end

Wolfram

code[m_, v_] := N[(-1.0 + N[(m + N[(m / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

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. *-commutative 99.9%

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

   2. sub-neg 99.9%

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

   3. associate-/l* 99.8%

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

   4. metadata-eval 99.8%

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

3. Simplified 99.8%

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

5. Taylor expanded in m around 0 76.9%

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

   1. +-commutative 76.9%

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

   2. distribute-lft-in 76.9%

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

   3. div-inv 77.1%

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

   4. *-rgt-identity 77.1%

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

7. Applied egg-rr 77.1%

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

8. Final simplification 77.1%

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

Alternative 8: 27.6% accurate, 4.3× speedup

Math

\[\begin{array}{l} \\ m + -1 \end{array} \]

FPCore

(FPCore (m v) :precision binary64 (+ m -1.0))

C

double code(double m, double v) {
	return m + -1.0;
}

Fortran

real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = m + (-1.0d0)
end function

Java

public static double code(double m, double v) {
	return m + -1.0;
}

Python

def code(m, v):
	return m + -1.0

Julia

function code(m, v)
	return Float64(m + -1.0)
end

MATLAB

function tmp = code(m, v)
	tmp = m + -1.0;
end

Wolfram

code[m_, v_] := N[(m + -1.0), $MachinePrecision]

Derivation

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. *-commutative 99.9%

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

   2. sub-neg 99.9%

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

   3. associate-/l* 99.8%

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

   4. metadata-eval 99.8%

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

3. Simplified 99.8%

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

5. Taylor expanded in v around inf 31.2%

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

   1. neg-mul-1 31.2%

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

   2. sub-neg 31.2%

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

   3. +-commutative 31.2%

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

   4. distribute-neg-in 31.2%

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

   5. remove-double-neg 31.2%

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

   6. metadata-eval 31.2%

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

7. Simplified 31.2%

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

8. Final simplification 31.2%

   \[\leadsto m + -1 \]
9. Add Preprocessing

Alternative 9: 25.1% accurate, 13.0× speedup

Math

\[\begin{array}{l} \\ -1 \end{array} \]

FPCore

(FPCore (m v) :precision binary64 -1.0)

C

double code(double m, double v) {
	return -1.0;
}

Fortran

real(8) function code(m, v)
    real(8), intent (in) :: m
    real(8), intent (in) :: v
    code = -1.0d0
end function

Java

public static double code(double m, double v) {
	return -1.0;
}

Python

def code(m, v):
	return -1.0

Julia

function code(m, v)
	return -1.0
end

MATLAB

function tmp = code(m, v)
	tmp = -1.0;
end

Wolfram

code[m_, v_] := -1.0

Derivation

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. *-commutative 99.9%

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

   2. sub-neg 99.9%

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

   3. associate-/l* 99.8%

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

   4. metadata-eval 99.8%

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

3. Simplified 99.8%

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

5. Taylor expanded in m around 0 28.9%

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

6. Final simplification 28.9%

   \[\leadsto -1 \]
7. Add Preprocessing

Reproduce

herbie shell --seed 2024085 
(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)))