Quadratic roots, wide range

Percentage Accurate: 17.8% → 97.6%
Time: 15.8s
Alternatives: 13
Speedup: 29.0×

Specification

?
\[\left(\left(4.930380657631324 \cdot 10^{-32} < a \land a < 2.028240960365167 \cdot 10^{+31}\right) \land \left(4.930380657631324 \cdot 10^{-32} < b \land b < 2.028240960365167 \cdot 10^{+31}\right)\right) \land \left(4.930380657631324 \cdot 10^{-32} < c \land c < 2.028240960365167 \cdot 10^{+31}\right)\]
\[\begin{array}{l} \\ \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \end{array} \]
(FPCore (a b c)
 :precision binary64
 (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))
double code(double a, double b, double c) {
	return (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
real(8) function code(a, b, c)
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    code = (-b + sqrt(((b * b) - ((4.0d0 * a) * c)))) / (2.0d0 * a)
end function
public static double code(double a, double b, double c) {
	return (-b + Math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
def code(a, b, c):
	return (-b + math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a)
function code(a, b, c)
	return Float64(Float64(Float64(-b) + sqrt(Float64(Float64(b * b) - Float64(Float64(4.0 * a) * c)))) / Float64(2.0 * a))
end
function tmp = code(a, b, c)
	tmp = (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
end
code[a_, b_, c_] := N[(N[((-b) + N[Sqrt[N[(N[(b * b), $MachinePrecision] - N[(N[(4.0 * a), $MachinePrecision] * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(2.0 * a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a}
\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 13 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: 17.8% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \end{array} \]
(FPCore (a b c)
 :precision binary64
 (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))
double code(double a, double b, double c) {
	return (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
real(8) function code(a, b, c)
    real(8), intent (in) :: a
    real(8), intent (in) :: b
    real(8), intent (in) :: c
    code = (-b + sqrt(((b * b) - ((4.0d0 * a) * c)))) / (2.0d0 * a)
end function
public static double code(double a, double b, double c) {
	return (-b + Math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
def code(a, b, c):
	return (-b + math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a)
function code(a, b, c)
	return Float64(Float64(Float64(-b) + sqrt(Float64(Float64(b * b) - Float64(Float64(4.0 * a) * c)))) / Float64(2.0 * a))
end
function tmp = code(a, b, c)
	tmp = (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
end
code[a_, b_, c_] := N[(N[((-b) + N[Sqrt[N[(N[(b * b), $MachinePrecision] - N[(N[(4.0 * a), $MachinePrecision] * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(2.0 * a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a}
\end{array}

Alternative 1: 97.6% accurate, 0.1× speedup?

\[\begin{array}{l} \\ \frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, a \cdot \frac{-{c}^{2}}{{b}^{2}}\right) - c\right)}{b} \end{array} \]
(FPCore (a b c)
 :precision binary64
 (/
  (fma
   -2.0
   (* (pow a 2.0) (/ (pow c 3.0) (pow b 4.0)))
   (-
    (fma
     -0.25
     (* (/ (* (pow a 4.0) (pow c 4.0)) a) (/ 20.0 (pow b 6.0)))
     (* a (/ (- (pow c 2.0)) (pow b 2.0))))
    c))
  b))
double code(double a, double b, double c) {
	return fma(-2.0, (pow(a, 2.0) * (pow(c, 3.0) / pow(b, 4.0))), (fma(-0.25, (((pow(a, 4.0) * pow(c, 4.0)) / a) * (20.0 / pow(b, 6.0))), (a * (-pow(c, 2.0) / pow(b, 2.0)))) - c)) / b;
}
function code(a, b, c)
	return Float64(fma(-2.0, Float64((a ^ 2.0) * Float64((c ^ 3.0) / (b ^ 4.0))), Float64(fma(-0.25, Float64(Float64(Float64((a ^ 4.0) * (c ^ 4.0)) / a) * Float64(20.0 / (b ^ 6.0))), Float64(a * Float64(Float64(-(c ^ 2.0)) / (b ^ 2.0)))) - c)) / b)
end
code[a_, b_, c_] := N[(N[(-2.0 * N[(N[Power[a, 2.0], $MachinePrecision] * N[(N[Power[c, 3.0], $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(-0.25 * N[(N[(N[(N[Power[a, 4.0], $MachinePrecision] * N[Power[c, 4.0], $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision] * N[(20.0 / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(a * N[((-N[Power[c, 2.0], $MachinePrecision]) / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - c), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}

\\
\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, a \cdot \frac{-{c}^{2}}{{b}^{2}}\right) - c\right)}{b}
\end{array}
Derivation
  1. Initial program 17.7%

    \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
  2. Step-by-step derivation
    1. *-commutative17.7%

      \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
  3. Simplified17.7%

    \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
  4. Add Preprocessing
  5. Taylor expanded in b around inf 98.2%

    \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + \left(-1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}} + -0.25 \cdot \frac{4 \cdot \left({a}^{4} \cdot {c}^{4}\right) + 16 \cdot \left({a}^{4} \cdot {c}^{4}\right)}{a \cdot {b}^{6}}\right)\right)}{b}} \]
  6. Step-by-step derivation
    1. Simplified98.2%

      \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, \left(-a\right) \cdot \frac{{c}^{2}}{{b}^{2}}\right) - c\right)}{b}} \]
    2. Final simplification98.2%

      \[\leadsto \frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, a \cdot \frac{-{c}^{2}}{{b}^{2}}\right) - c\right)}{b} \]
    3. Add Preprocessing

    Alternative 2: 97.6% accurate, 0.1× speedup?

    \[\begin{array}{l} \\ \frac{-5 \cdot \frac{{c}^{4} \cdot {a}^{3}}{{b}^{6}} + \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)}{b} \end{array} \]
    (FPCore (a b c)
     :precision binary64
     (/
      (+
       (* -5.0 (/ (* (pow c 4.0) (pow a 3.0)) (pow b 6.0)))
       (-
        (* -2.0 (/ (* (pow a 2.0) (pow c 3.0)) (pow b 4.0)))
        (+ c (/ (* a (pow c 2.0)) (pow b 2.0)))))
      b))
    double code(double a, double b, double c) {
    	return ((-5.0 * ((pow(c, 4.0) * pow(a, 3.0)) / pow(b, 6.0))) + ((-2.0 * ((pow(a, 2.0) * pow(c, 3.0)) / pow(b, 4.0))) - (c + ((a * pow(c, 2.0)) / pow(b, 2.0))))) / b;
    }
    
    real(8) function code(a, b, c)
        real(8), intent (in) :: a
        real(8), intent (in) :: b
        real(8), intent (in) :: c
        code = (((-5.0d0) * (((c ** 4.0d0) * (a ** 3.0d0)) / (b ** 6.0d0))) + (((-2.0d0) * (((a ** 2.0d0) * (c ** 3.0d0)) / (b ** 4.0d0))) - (c + ((a * (c ** 2.0d0)) / (b ** 2.0d0))))) / b
    end function
    
    public static double code(double a, double b, double c) {
    	return ((-5.0 * ((Math.pow(c, 4.0) * Math.pow(a, 3.0)) / Math.pow(b, 6.0))) + ((-2.0 * ((Math.pow(a, 2.0) * Math.pow(c, 3.0)) / Math.pow(b, 4.0))) - (c + ((a * Math.pow(c, 2.0)) / Math.pow(b, 2.0))))) / b;
    }
    
    def code(a, b, c):
    	return ((-5.0 * ((math.pow(c, 4.0) * math.pow(a, 3.0)) / math.pow(b, 6.0))) + ((-2.0 * ((math.pow(a, 2.0) * math.pow(c, 3.0)) / math.pow(b, 4.0))) - (c + ((a * math.pow(c, 2.0)) / math.pow(b, 2.0))))) / b
    
    function code(a, b, c)
    	return Float64(Float64(Float64(-5.0 * Float64(Float64((c ^ 4.0) * (a ^ 3.0)) / (b ^ 6.0))) + Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - Float64(c + Float64(Float64(a * (c ^ 2.0)) / (b ^ 2.0))))) / b)
    end
    
    function tmp = code(a, b, c)
    	tmp = ((-5.0 * (((c ^ 4.0) * (a ^ 3.0)) / (b ^ 6.0))) + ((-2.0 * (((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - (c + ((a * (c ^ 2.0)) / (b ^ 2.0))))) / b;
    end
    
    code[a_, b_, c_] := N[(N[(N[(-5.0 * N[(N[(N[Power[c, 4.0], $MachinePrecision] * N[Power[a, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * N[Power[c, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(c + N[(N[(a * N[Power[c, 2.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
    
    \begin{array}{l}
    
    \\
    \frac{-5 \cdot \frac{{c}^{4} \cdot {a}^{3}}{{b}^{6}} + \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)}{b}
    \end{array}
    
    Derivation
    1. Initial program 17.7%

      \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
    2. Step-by-step derivation
      1. *-commutative17.7%

        \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
    3. Simplified17.7%

      \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
    4. Add Preprocessing
    5. Taylor expanded in b around inf 98.2%

      \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + \left(-1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}} + -0.25 \cdot \frac{4 \cdot \left({a}^{4} \cdot {c}^{4}\right) + 16 \cdot \left({a}^{4} \cdot {c}^{4}\right)}{a \cdot {b}^{6}}\right)\right)}{b}} \]
    6. Step-by-step derivation
      1. Simplified98.2%

        \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, \left(-a\right) \cdot \frac{{c}^{2}}{{b}^{2}}\right) - c\right)}{b}} \]
      2. Taylor expanded in b around inf 98.2%

        \[\leadsto \color{blue}{\frac{-5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}} + \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)}{b}} \]
      3. Final simplification98.2%

        \[\leadsto \frac{-5 \cdot \frac{{c}^{4} \cdot {a}^{3}}{{b}^{6}} + \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)}{b} \]
      4. Add Preprocessing

      Alternative 3: 97.6% accurate, 0.2× speedup?

      \[\begin{array}{l} \\ \frac{\left(\left(\frac{{c}^{3} \cdot \left(-2 \cdot {a}^{2}\right)}{{b}^{4}} - c\right) - a \cdot \left(\frac{c}{b} \cdot \frac{c}{b}\right)\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b} \end{array} \]
      (FPCore (a b c)
       :precision binary64
       (/
        (+
         (-
          (- (/ (* (pow c 3.0) (* -2.0 (pow a 2.0))) (pow b 4.0)) c)
          (* a (* (/ c b) (/ c b))))
         (* -5.0 (* (pow a 3.0) (/ (pow c 4.0) (pow b 6.0)))))
        b))
      double code(double a, double b, double c) {
      	return (((((pow(c, 3.0) * (-2.0 * pow(a, 2.0))) / pow(b, 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * (pow(a, 3.0) * (pow(c, 4.0) / pow(b, 6.0))))) / b;
      }
      
      real(8) function code(a, b, c)
          real(8), intent (in) :: a
          real(8), intent (in) :: b
          real(8), intent (in) :: c
          code = ((((((c ** 3.0d0) * ((-2.0d0) * (a ** 2.0d0))) / (b ** 4.0d0)) - c) - (a * ((c / b) * (c / b)))) + ((-5.0d0) * ((a ** 3.0d0) * ((c ** 4.0d0) / (b ** 6.0d0))))) / b
      end function
      
      public static double code(double a, double b, double c) {
      	return (((((Math.pow(c, 3.0) * (-2.0 * Math.pow(a, 2.0))) / Math.pow(b, 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * (Math.pow(a, 3.0) * (Math.pow(c, 4.0) / Math.pow(b, 6.0))))) / b;
      }
      
      def code(a, b, c):
      	return (((((math.pow(c, 3.0) * (-2.0 * math.pow(a, 2.0))) / math.pow(b, 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * (math.pow(a, 3.0) * (math.pow(c, 4.0) / math.pow(b, 6.0))))) / b
      
      function code(a, b, c)
      	return Float64(Float64(Float64(Float64(Float64(Float64((c ^ 3.0) * Float64(-2.0 * (a ^ 2.0))) / (b ^ 4.0)) - c) - Float64(a * Float64(Float64(c / b) * Float64(c / b)))) + Float64(-5.0 * Float64((a ^ 3.0) * Float64((c ^ 4.0) / (b ^ 6.0))))) / b)
      end
      
      function tmp = code(a, b, c)
      	tmp = ((((((c ^ 3.0) * (-2.0 * (a ^ 2.0))) / (b ^ 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * ((a ^ 3.0) * ((c ^ 4.0) / (b ^ 6.0))))) / b;
      end
      
      code[a_, b_, c_] := N[(N[(N[(N[(N[(N[(N[Power[c, 3.0], $MachinePrecision] * N[(-2.0 * N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision] - c), $MachinePrecision] - N[(a * N[(N[(c / b), $MachinePrecision] * N[(c / b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-5.0 * N[(N[Power[a, 3.0], $MachinePrecision] * N[(N[Power[c, 4.0], $MachinePrecision] / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
      
      \begin{array}{l}
      
      \\
      \frac{\left(\left(\frac{{c}^{3} \cdot \left(-2 \cdot {a}^{2}\right)}{{b}^{4}} - c\right) - a \cdot \left(\frac{c}{b} \cdot \frac{c}{b}\right)\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b}
      \end{array}
      
      Derivation
      1. Initial program 17.7%

        \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
      2. Step-by-step derivation
        1. *-commutative17.7%

          \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
      3. Simplified17.7%

        \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
      4. Add Preprocessing
      5. Taylor expanded in b around inf 98.2%

        \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + \left(-1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}} + -0.25 \cdot \frac{4 \cdot \left({a}^{4} \cdot {c}^{4}\right) + 16 \cdot \left({a}^{4} \cdot {c}^{4}\right)}{a \cdot {b}^{6}}\right)\right)}{b}} \]
      6. Step-by-step derivation
        1. Simplified98.2%

          \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, \left(-a\right) \cdot \frac{{c}^{2}}{{b}^{2}}\right) - c\right)}{b}} \]
        2. Taylor expanded in b around inf 98.2%

          \[\leadsto \color{blue}{\frac{-5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}} + \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)}{b}} \]
        3. Step-by-step derivation
          1. +-commutative98.2%

            \[\leadsto \frac{\color{blue}{\left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right) + -5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}}}}{b} \]
          2. *-un-lft-identity98.2%

            \[\leadsto \frac{\color{blue}{1 \cdot \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)} + -5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}}}{b} \]
          3. fma-define98.2%

            \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(1, -2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right), -5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}}\right)}}{b} \]
        4. Applied egg-rr98.2%

          \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(1, \mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \left(-c\right) - a \cdot \frac{{c}^{2}}{{b}^{2}}\right), \frac{-5 \cdot \left({a}^{3} \cdot {c}^{4}\right)}{{b}^{6}}\right)}}{b} \]
        5. Simplified98.2%

          \[\leadsto \frac{\color{blue}{\left(\left(\frac{\left(-2 \cdot {a}^{2}\right) \cdot {c}^{3}}{{b}^{4}} - c\right) - a \cdot {\left(\frac{c}{-b}\right)}^{2}\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}}{b} \]
        6. Step-by-step derivation
          1. unpow298.2%

            \[\leadsto \frac{\left(\left(\frac{\left(-2 \cdot {a}^{2}\right) \cdot {c}^{3}}{{b}^{4}} - c\right) - a \cdot \color{blue}{\left(\frac{c}{-b} \cdot \frac{c}{-b}\right)}\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b} \]
          2. distribute-frac-neg298.2%

            \[\leadsto \frac{\left(\left(\frac{\left(-2 \cdot {a}^{2}\right) \cdot {c}^{3}}{{b}^{4}} - c\right) - a \cdot \left(\color{blue}{\left(-\frac{c}{b}\right)} \cdot \frac{c}{-b}\right)\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b} \]
          3. distribute-frac-neg298.2%

            \[\leadsto \frac{\left(\left(\frac{\left(-2 \cdot {a}^{2}\right) \cdot {c}^{3}}{{b}^{4}} - c\right) - a \cdot \left(\left(-\frac{c}{b}\right) \cdot \color{blue}{\left(-\frac{c}{b}\right)}\right)\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b} \]
        7. Applied egg-rr98.2%

          \[\leadsto \frac{\left(\left(\frac{\left(-2 \cdot {a}^{2}\right) \cdot {c}^{3}}{{b}^{4}} - c\right) - a \cdot \color{blue}{\left(\left(-\frac{c}{b}\right) \cdot \left(-\frac{c}{b}\right)\right)}\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b} \]
        8. Final simplification98.2%

          \[\leadsto \frac{\left(\left(\frac{{c}^{3} \cdot \left(-2 \cdot {a}^{2}\right)}{{b}^{4}} - c\right) - a \cdot \left(\frac{c}{b} \cdot \frac{c}{b}\right)\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b} \]
        9. Add Preprocessing

        Alternative 4: 97.6% accurate, 0.2× speedup?

        \[\begin{array}{l} \\ \frac{c \cdot \left(-1 + c \cdot \left(c \cdot \left(-5 \cdot \frac{c \cdot {a}^{3}}{{b}^{6}} + -2 \cdot \frac{{a}^{2}}{{b}^{4}}\right) - \frac{a}{{b}^{2}}\right)\right)}{b} \end{array} \]
        (FPCore (a b c)
         :precision binary64
         (/
          (*
           c
           (+
            -1.0
            (*
             c
             (-
              (*
               c
               (+
                (* -5.0 (/ (* c (pow a 3.0)) (pow b 6.0)))
                (* -2.0 (/ (pow a 2.0) (pow b 4.0)))))
              (/ a (pow b 2.0))))))
          b))
        double code(double a, double b, double c) {
        	return (c * (-1.0 + (c * ((c * ((-5.0 * ((c * pow(a, 3.0)) / pow(b, 6.0))) + (-2.0 * (pow(a, 2.0) / pow(b, 4.0))))) - (a / pow(b, 2.0)))))) / b;
        }
        
        real(8) function code(a, b, c)
            real(8), intent (in) :: a
            real(8), intent (in) :: b
            real(8), intent (in) :: c
            code = (c * ((-1.0d0) + (c * ((c * (((-5.0d0) * ((c * (a ** 3.0d0)) / (b ** 6.0d0))) + ((-2.0d0) * ((a ** 2.0d0) / (b ** 4.0d0))))) - (a / (b ** 2.0d0)))))) / b
        end function
        
        public static double code(double a, double b, double c) {
        	return (c * (-1.0 + (c * ((c * ((-5.0 * ((c * Math.pow(a, 3.0)) / Math.pow(b, 6.0))) + (-2.0 * (Math.pow(a, 2.0) / Math.pow(b, 4.0))))) - (a / Math.pow(b, 2.0)))))) / b;
        }
        
        def code(a, b, c):
        	return (c * (-1.0 + (c * ((c * ((-5.0 * ((c * math.pow(a, 3.0)) / math.pow(b, 6.0))) + (-2.0 * (math.pow(a, 2.0) / math.pow(b, 4.0))))) - (a / math.pow(b, 2.0)))))) / b
        
        function code(a, b, c)
        	return Float64(Float64(c * Float64(-1.0 + Float64(c * Float64(Float64(c * Float64(Float64(-5.0 * Float64(Float64(c * (a ^ 3.0)) / (b ^ 6.0))) + Float64(-2.0 * Float64((a ^ 2.0) / (b ^ 4.0))))) - Float64(a / (b ^ 2.0)))))) / b)
        end
        
        function tmp = code(a, b, c)
        	tmp = (c * (-1.0 + (c * ((c * ((-5.0 * ((c * (a ^ 3.0)) / (b ^ 6.0))) + (-2.0 * ((a ^ 2.0) / (b ^ 4.0))))) - (a / (b ^ 2.0)))))) / b;
        end
        
        code[a_, b_, c_] := N[(N[(c * N[(-1.0 + N[(c * N[(N[(c * N[(N[(-5.0 * N[(N[(c * N[Power[a, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-2.0 * N[(N[Power[a, 2.0], $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(a / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
        
        \begin{array}{l}
        
        \\
        \frac{c \cdot \left(-1 + c \cdot \left(c \cdot \left(-5 \cdot \frac{c \cdot {a}^{3}}{{b}^{6}} + -2 \cdot \frac{{a}^{2}}{{b}^{4}}\right) - \frac{a}{{b}^{2}}\right)\right)}{b}
        \end{array}
        
        Derivation
        1. Initial program 17.7%

          \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
        2. Step-by-step derivation
          1. *-commutative17.7%

            \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
        3. Simplified17.7%

          \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
        4. Add Preprocessing
        5. Taylor expanded in b around inf 98.2%

          \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + \left(-1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}} + -0.25 \cdot \frac{4 \cdot \left({a}^{4} \cdot {c}^{4}\right) + 16 \cdot \left({a}^{4} \cdot {c}^{4}\right)}{a \cdot {b}^{6}}\right)\right)}{b}} \]
        6. Step-by-step derivation
          1. Simplified98.2%

            \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, \left(-a\right) \cdot \frac{{c}^{2}}{{b}^{2}}\right) - c\right)}{b}} \]
          2. Taylor expanded in b around inf 98.2%

            \[\leadsto \color{blue}{\frac{-5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}} + \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)}{b}} \]
          3. Step-by-step derivation
            1. +-commutative98.2%

              \[\leadsto \frac{\color{blue}{\left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right) + -5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}}}}{b} \]
            2. *-un-lft-identity98.2%

              \[\leadsto \frac{\color{blue}{1 \cdot \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)} + -5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}}}{b} \]
            3. fma-define98.2%

              \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(1, -2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right), -5 \cdot \frac{{a}^{3} \cdot {c}^{4}}{{b}^{6}}\right)}}{b} \]
          4. Applied egg-rr98.2%

            \[\leadsto \frac{\color{blue}{\mathsf{fma}\left(1, \mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \left(-c\right) - a \cdot \frac{{c}^{2}}{{b}^{2}}\right), \frac{-5 \cdot \left({a}^{3} \cdot {c}^{4}\right)}{{b}^{6}}\right)}}{b} \]
          5. Simplified98.2%

            \[\leadsto \frac{\color{blue}{\left(\left(\frac{\left(-2 \cdot {a}^{2}\right) \cdot {c}^{3}}{{b}^{4}} - c\right) - a \cdot {\left(\frac{c}{-b}\right)}^{2}\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}}{b} \]
          6. Taylor expanded in c around 0 98.2%

            \[\leadsto \frac{\color{blue}{c \cdot \left(c \cdot \left(c \cdot \left(-5 \cdot \frac{{a}^{3} \cdot c}{{b}^{6}} + -2 \cdot \frac{{a}^{2}}{{b}^{4}}\right) - \frac{a}{{b}^{2}}\right) - 1\right)}}{b} \]
          7. Final simplification98.2%

            \[\leadsto \frac{c \cdot \left(-1 + c \cdot \left(c \cdot \left(-5 \cdot \frac{c \cdot {a}^{3}}{{b}^{6}} + -2 \cdot \frac{{a}^{2}}{{b}^{4}}\right) - \frac{a}{{b}^{2}}\right)\right)}{b} \]
          8. Add Preprocessing

          Alternative 5: 96.9% accurate, 0.2× speedup?

          \[\begin{array}{l} \\ \frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)}{b} \end{array} \]
          (FPCore (a b c)
           :precision binary64
           (/
            (-
             (* -2.0 (/ (* (pow a 2.0) (pow c 3.0)) (pow b 4.0)))
             (+ c (/ (* a (pow c 2.0)) (pow b 2.0))))
            b))
          double code(double a, double b, double c) {
          	return ((-2.0 * ((pow(a, 2.0) * pow(c, 3.0)) / pow(b, 4.0))) - (c + ((a * pow(c, 2.0)) / pow(b, 2.0)))) / b;
          }
          
          real(8) function code(a, b, c)
              real(8), intent (in) :: a
              real(8), intent (in) :: b
              real(8), intent (in) :: c
              code = (((-2.0d0) * (((a ** 2.0d0) * (c ** 3.0d0)) / (b ** 4.0d0))) - (c + ((a * (c ** 2.0d0)) / (b ** 2.0d0)))) / b
          end function
          
          public static double code(double a, double b, double c) {
          	return ((-2.0 * ((Math.pow(a, 2.0) * Math.pow(c, 3.0)) / Math.pow(b, 4.0))) - (c + ((a * Math.pow(c, 2.0)) / Math.pow(b, 2.0)))) / b;
          }
          
          def code(a, b, c):
          	return ((-2.0 * ((math.pow(a, 2.0) * math.pow(c, 3.0)) / math.pow(b, 4.0))) - (c + ((a * math.pow(c, 2.0)) / math.pow(b, 2.0)))) / b
          
          function code(a, b, c)
          	return Float64(Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - Float64(c + Float64(Float64(a * (c ^ 2.0)) / (b ^ 2.0)))) / b)
          end
          
          function tmp = code(a, b, c)
          	tmp = ((-2.0 * (((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - (c + ((a * (c ^ 2.0)) / (b ^ 2.0)))) / b;
          end
          
          code[a_, b_, c_] := N[(N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * N[Power[c, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(c + N[(N[(a * N[Power[c, 2.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
          
          \begin{array}{l}
          
          \\
          \frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)}{b}
          \end{array}
          
          Derivation
          1. Initial program 17.7%

            \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
          2. Step-by-step derivation
            1. *-commutative17.7%

              \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
          3. Simplified17.7%

            \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
          4. Add Preprocessing
          5. Taylor expanded in b around inf 97.5%

            \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}\right)}{b}} \]
          6. Final simplification97.5%

            \[\leadsto \frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)}{b} \]
          7. Add Preprocessing

          Alternative 6: 96.8% accurate, 0.4× speedup?

          \[\begin{array}{l} \\ \frac{c \cdot \left(-1 + c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{4}} - \frac{a}{{b}^{2}}\right)\right)}{b} \end{array} \]
          (FPCore (a b c)
           :precision binary64
           (/
            (*
             c
             (+
              -1.0
              (* c (- (* -2.0 (/ (* (pow a 2.0) c) (pow b 4.0))) (/ a (pow b 2.0))))))
            b))
          double code(double a, double b, double c) {
          	return (c * (-1.0 + (c * ((-2.0 * ((pow(a, 2.0) * c) / pow(b, 4.0))) - (a / pow(b, 2.0)))))) / b;
          }
          
          real(8) function code(a, b, c)
              real(8), intent (in) :: a
              real(8), intent (in) :: b
              real(8), intent (in) :: c
              code = (c * ((-1.0d0) + (c * (((-2.0d0) * (((a ** 2.0d0) * c) / (b ** 4.0d0))) - (a / (b ** 2.0d0)))))) / b
          end function
          
          public static double code(double a, double b, double c) {
          	return (c * (-1.0 + (c * ((-2.0 * ((Math.pow(a, 2.0) * c) / Math.pow(b, 4.0))) - (a / Math.pow(b, 2.0)))))) / b;
          }
          
          def code(a, b, c):
          	return (c * (-1.0 + (c * ((-2.0 * ((math.pow(a, 2.0) * c) / math.pow(b, 4.0))) - (a / math.pow(b, 2.0)))))) / b
          
          function code(a, b, c)
          	return Float64(Float64(c * Float64(-1.0 + Float64(c * Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * c) / (b ^ 4.0))) - Float64(a / (b ^ 2.0)))))) / b)
          end
          
          function tmp = code(a, b, c)
          	tmp = (c * (-1.0 + (c * ((-2.0 * (((a ^ 2.0) * c) / (b ^ 4.0))) - (a / (b ^ 2.0)))))) / b;
          end
          
          code[a_, b_, c_] := N[(N[(c * N[(-1.0 + N[(c * N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * c), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(a / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
          
          \begin{array}{l}
          
          \\
          \frac{c \cdot \left(-1 + c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{4}} - \frac{a}{{b}^{2}}\right)\right)}{b}
          \end{array}
          
          Derivation
          1. Initial program 17.7%

            \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
          2. Step-by-step derivation
            1. *-commutative17.7%

              \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
          3. Simplified17.7%

            \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
          4. Add Preprocessing
          5. Taylor expanded in b around inf 98.2%

            \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + \left(-1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}} + -0.25 \cdot \frac{4 \cdot \left({a}^{4} \cdot {c}^{4}\right) + 16 \cdot \left({a}^{4} \cdot {c}^{4}\right)}{a \cdot {b}^{6}}\right)\right)}{b}} \]
          6. Step-by-step derivation
            1. Simplified98.2%

              \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, \left(-a\right) \cdot \frac{{c}^{2}}{{b}^{2}}\right) - c\right)}{b}} \]
            2. Taylor expanded in c around 0 97.5%

              \[\leadsto \frac{\color{blue}{c \cdot \left(c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{4}} + -1 \cdot \frac{a}{{b}^{2}}\right) - 1\right)}}{b} \]
            3. Final simplification97.5%

              \[\leadsto \frac{c \cdot \left(-1 + c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{4}} - \frac{a}{{b}^{2}}\right)\right)}{b} \]
            4. Add Preprocessing

            Alternative 7: 96.9% accurate, 0.4× speedup?

            \[\begin{array}{l} \\ a \cdot \left({c}^{3} \cdot \left(-2 \cdot \frac{a}{{b}^{5}} + \frac{-1}{c \cdot {b}^{3}}\right)\right) - \frac{c}{b} \end{array} \]
            (FPCore (a b c)
             :precision binary64
             (-
              (*
               a
               (* (pow c 3.0) (+ (* -2.0 (/ a (pow b 5.0))) (/ -1.0 (* c (pow b 3.0))))))
              (/ c b)))
            double code(double a, double b, double c) {
            	return (a * (pow(c, 3.0) * ((-2.0 * (a / pow(b, 5.0))) + (-1.0 / (c * pow(b, 3.0)))))) - (c / b);
            }
            
            real(8) function code(a, b, c)
                real(8), intent (in) :: a
                real(8), intent (in) :: b
                real(8), intent (in) :: c
                code = (a * ((c ** 3.0d0) * (((-2.0d0) * (a / (b ** 5.0d0))) + ((-1.0d0) / (c * (b ** 3.0d0)))))) - (c / b)
            end function
            
            public static double code(double a, double b, double c) {
            	return (a * (Math.pow(c, 3.0) * ((-2.0 * (a / Math.pow(b, 5.0))) + (-1.0 / (c * Math.pow(b, 3.0)))))) - (c / b);
            }
            
            def code(a, b, c):
            	return (a * (math.pow(c, 3.0) * ((-2.0 * (a / math.pow(b, 5.0))) + (-1.0 / (c * math.pow(b, 3.0)))))) - (c / b)
            
            function code(a, b, c)
            	return Float64(Float64(a * Float64((c ^ 3.0) * Float64(Float64(-2.0 * Float64(a / (b ^ 5.0))) + Float64(-1.0 / Float64(c * (b ^ 3.0)))))) - Float64(c / b))
            end
            
            function tmp = code(a, b, c)
            	tmp = (a * ((c ^ 3.0) * ((-2.0 * (a / (b ^ 5.0))) + (-1.0 / (c * (b ^ 3.0)))))) - (c / b);
            end
            
            code[a_, b_, c_] := N[(N[(a * N[(N[Power[c, 3.0], $MachinePrecision] * N[(N[(-2.0 * N[(a / N[Power[b, 5.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-1.0 / N[(c * N[Power[b, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(c / b), $MachinePrecision]), $MachinePrecision]
            
            \begin{array}{l}
            
            \\
            a \cdot \left({c}^{3} \cdot \left(-2 \cdot \frac{a}{{b}^{5}} + \frac{-1}{c \cdot {b}^{3}}\right)\right) - \frac{c}{b}
            \end{array}
            
            Derivation
            1. Initial program 17.7%

              \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
            2. Step-by-step derivation
              1. *-commutative17.7%

                \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
            3. Simplified17.7%

              \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
            4. Add Preprocessing
            5. Taylor expanded in a around 0 97.5%

              \[\leadsto \color{blue}{-1 \cdot \frac{c}{b} + a \cdot \left(-2 \cdot \frac{a \cdot {c}^{3}}{{b}^{5}} + -1 \cdot \frac{{c}^{2}}{{b}^{3}}\right)} \]
            6. Taylor expanded in c around inf 97.5%

              \[\leadsto -1 \cdot \frac{c}{b} + a \cdot \color{blue}{\left({c}^{3} \cdot \left(-2 \cdot \frac{a}{{b}^{5}} - \frac{1}{{b}^{3} \cdot c}\right)\right)} \]
            7. Final simplification97.5%

              \[\leadsto a \cdot \left({c}^{3} \cdot \left(-2 \cdot \frac{a}{{b}^{5}} + \frac{-1}{c \cdot {b}^{3}}\right)\right) - \frac{c}{b} \]
            8. Add Preprocessing

            Alternative 8: 96.5% accurate, 0.4× speedup?

            \[\begin{array}{l} \\ c \cdot \left(c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{5}} - \frac{a}{{b}^{3}}\right) + \frac{-1}{b}\right) \end{array} \]
            (FPCore (a b c)
             :precision binary64
             (*
              c
              (+
               (* c (- (* -2.0 (/ (* (pow a 2.0) c) (pow b 5.0))) (/ a (pow b 3.0))))
               (/ -1.0 b))))
            double code(double a, double b, double c) {
            	return c * ((c * ((-2.0 * ((pow(a, 2.0) * c) / pow(b, 5.0))) - (a / pow(b, 3.0)))) + (-1.0 / b));
            }
            
            real(8) function code(a, b, c)
                real(8), intent (in) :: a
                real(8), intent (in) :: b
                real(8), intent (in) :: c
                code = c * ((c * (((-2.0d0) * (((a ** 2.0d0) * c) / (b ** 5.0d0))) - (a / (b ** 3.0d0)))) + ((-1.0d0) / b))
            end function
            
            public static double code(double a, double b, double c) {
            	return c * ((c * ((-2.0 * ((Math.pow(a, 2.0) * c) / Math.pow(b, 5.0))) - (a / Math.pow(b, 3.0)))) + (-1.0 / b));
            }
            
            def code(a, b, c):
            	return c * ((c * ((-2.0 * ((math.pow(a, 2.0) * c) / math.pow(b, 5.0))) - (a / math.pow(b, 3.0)))) + (-1.0 / b))
            
            function code(a, b, c)
            	return Float64(c * Float64(Float64(c * Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * c) / (b ^ 5.0))) - Float64(a / (b ^ 3.0)))) + Float64(-1.0 / b)))
            end
            
            function tmp = code(a, b, c)
            	tmp = c * ((c * ((-2.0 * (((a ^ 2.0) * c) / (b ^ 5.0))) - (a / (b ^ 3.0)))) + (-1.0 / b));
            end
            
            code[a_, b_, c_] := N[(c * N[(N[(c * N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * c), $MachinePrecision] / N[Power[b, 5.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(a / N[Power[b, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-1.0 / b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
            
            \begin{array}{l}
            
            \\
            c \cdot \left(c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{5}} - \frac{a}{{b}^{3}}\right) + \frac{-1}{b}\right)
            \end{array}
            
            Derivation
            1. Initial program 17.7%

              \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
            2. Step-by-step derivation
              1. *-commutative17.7%

                \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
            3. Simplified17.7%

              \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
            4. Add Preprocessing
            5. Taylor expanded in c around 0 97.1%

              \[\leadsto \color{blue}{c \cdot \left(c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{5}} + -1 \cdot \frac{a}{{b}^{3}}\right) - \frac{1}{b}\right)} \]
            6. Final simplification97.1%

              \[\leadsto c \cdot \left(c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{5}} - \frac{a}{{b}^{3}}\right) + \frac{-1}{b}\right) \]
            7. Add Preprocessing

            Alternative 9: 95.3% accurate, 0.5× speedup?

            \[\begin{array}{l} \\ \frac{a \cdot \frac{-{c}^{2}}{{b}^{2}} - c}{b} \end{array} \]
            (FPCore (a b c)
             :precision binary64
             (/ (- (* a (/ (- (pow c 2.0)) (pow b 2.0))) c) b))
            double code(double a, double b, double c) {
            	return ((a * (-pow(c, 2.0) / pow(b, 2.0))) - c) / b;
            }
            
            real(8) function code(a, b, c)
                real(8), intent (in) :: a
                real(8), intent (in) :: b
                real(8), intent (in) :: c
                code = ((a * (-(c ** 2.0d0) / (b ** 2.0d0))) - c) / b
            end function
            
            public static double code(double a, double b, double c) {
            	return ((a * (-Math.pow(c, 2.0) / Math.pow(b, 2.0))) - c) / b;
            }
            
            def code(a, b, c):
            	return ((a * (-math.pow(c, 2.0) / math.pow(b, 2.0))) - c) / b
            
            function code(a, b, c)
            	return Float64(Float64(Float64(a * Float64(Float64(-(c ^ 2.0)) / (b ^ 2.0))) - c) / b)
            end
            
            function tmp = code(a, b, c)
            	tmp = ((a * (-(c ^ 2.0) / (b ^ 2.0))) - c) / b;
            end
            
            code[a_, b_, c_] := N[(N[(N[(a * N[((-N[Power[c, 2.0], $MachinePrecision]) / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - c), $MachinePrecision] / b), $MachinePrecision]
            
            \begin{array}{l}
            
            \\
            \frac{a \cdot \frac{-{c}^{2}}{{b}^{2}} - c}{b}
            \end{array}
            
            Derivation
            1. Initial program 17.7%

              \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
            2. Step-by-step derivation
              1. *-commutative17.7%

                \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
            3. Simplified17.7%

              \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
            4. Add Preprocessing
            5. Taylor expanded in b around inf 95.9%

              \[\leadsto \color{blue}{\frac{-1 \cdot c + -1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}}}{b}} \]
            6. Step-by-step derivation
              1. mul-1-neg95.9%

                \[\leadsto \frac{-1 \cdot c + \color{blue}{\left(-\frac{a \cdot {c}^{2}}{{b}^{2}}\right)}}{b} \]
              2. unsub-neg95.9%

                \[\leadsto \frac{\color{blue}{-1 \cdot c - \frac{a \cdot {c}^{2}}{{b}^{2}}}}{b} \]
              3. mul-1-neg95.9%

                \[\leadsto \frac{\color{blue}{\left(-c\right)} - \frac{a \cdot {c}^{2}}{{b}^{2}}}{b} \]
              4. associate-/l*95.9%

                \[\leadsto \frac{\left(-c\right) - \color{blue}{a \cdot \frac{{c}^{2}}{{b}^{2}}}}{b} \]
            7. Simplified95.9%

              \[\leadsto \color{blue}{\frac{\left(-c\right) - a \cdot \frac{{c}^{2}}{{b}^{2}}}{b}} \]
            8. Final simplification95.9%

              \[\leadsto \frac{a \cdot \frac{-{c}^{2}}{{b}^{2}} - c}{b} \]
            9. Add Preprocessing

            Alternative 10: 95.2% accurate, 1.0× speedup?

            \[\begin{array}{l} \\ \frac{c \cdot \left(-1 - {b}^{-2} \cdot \left(a \cdot c\right)\right)}{b} \end{array} \]
            (FPCore (a b c)
             :precision binary64
             (/ (* c (- -1.0 (* (pow b -2.0) (* a c)))) b))
            double code(double a, double b, double c) {
            	return (c * (-1.0 - (pow(b, -2.0) * (a * c)))) / b;
            }
            
            real(8) function code(a, b, c)
                real(8), intent (in) :: a
                real(8), intent (in) :: b
                real(8), intent (in) :: c
                code = (c * ((-1.0d0) - ((b ** (-2.0d0)) * (a * c)))) / b
            end function
            
            public static double code(double a, double b, double c) {
            	return (c * (-1.0 - (Math.pow(b, -2.0) * (a * c)))) / b;
            }
            
            def code(a, b, c):
            	return (c * (-1.0 - (math.pow(b, -2.0) * (a * c)))) / b
            
            function code(a, b, c)
            	return Float64(Float64(c * Float64(-1.0 - Float64((b ^ -2.0) * Float64(a * c)))) / b)
            end
            
            function tmp = code(a, b, c)
            	tmp = (c * (-1.0 - ((b ^ -2.0) * (a * c)))) / b;
            end
            
            code[a_, b_, c_] := N[(N[(c * N[(-1.0 - N[(N[Power[b, -2.0], $MachinePrecision] * N[(a * c), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
            
            \begin{array}{l}
            
            \\
            \frac{c \cdot \left(-1 - {b}^{-2} \cdot \left(a \cdot c\right)\right)}{b}
            \end{array}
            
            Derivation
            1. Initial program 17.7%

              \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
            2. Step-by-step derivation
              1. *-commutative17.7%

                \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
            3. Simplified17.7%

              \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
            4. Add Preprocessing
            5. Taylor expanded in b around inf 98.2%

              \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + \left(-1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}} + -0.25 \cdot \frac{4 \cdot \left({a}^{4} \cdot {c}^{4}\right) + 16 \cdot \left({a}^{4} \cdot {c}^{4}\right)}{a \cdot {b}^{6}}\right)\right)}{b}} \]
            6. Step-by-step derivation
              1. Simplified98.2%

                \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, \left(-a\right) \cdot \frac{{c}^{2}}{{b}^{2}}\right) - c\right)}{b}} \]
              2. Taylor expanded in c around 0 95.9%

                \[\leadsto \frac{\color{blue}{c \cdot \left(-1 \cdot \frac{a \cdot c}{{b}^{2}} - 1\right)}}{b} \]
              3. Step-by-step derivation
                1. pow195.9%

                  \[\leadsto \frac{c \cdot \left(\color{blue}{{\left(-1 \cdot \frac{a \cdot c}{{b}^{2}}\right)}^{1}} - 1\right)}{b} \]
                2. mul-1-neg95.9%

                  \[\leadsto \frac{c \cdot \left({\color{blue}{\left(-\frac{a \cdot c}{{b}^{2}}\right)}}^{1} - 1\right)}{b} \]
                3. div-inv95.9%

                  \[\leadsto \frac{c \cdot \left({\left(-\color{blue}{\left(a \cdot c\right) \cdot \frac{1}{{b}^{2}}}\right)}^{1} - 1\right)}{b} \]
                4. pow-flip95.9%

                  \[\leadsto \frac{c \cdot \left({\left(-\left(a \cdot c\right) \cdot \color{blue}{{b}^{\left(-2\right)}}\right)}^{1} - 1\right)}{b} \]
                5. metadata-eval95.9%

                  \[\leadsto \frac{c \cdot \left({\left(-\left(a \cdot c\right) \cdot {b}^{\color{blue}{-2}}\right)}^{1} - 1\right)}{b} \]
              4. Applied egg-rr95.9%

                \[\leadsto \frac{c \cdot \left(\color{blue}{{\left(-\left(a \cdot c\right) \cdot {b}^{-2}\right)}^{1}} - 1\right)}{b} \]
              5. Step-by-step derivation
                1. unpow195.9%

                  \[\leadsto \frac{c \cdot \left(\color{blue}{\left(-\left(a \cdot c\right) \cdot {b}^{-2}\right)} - 1\right)}{b} \]
                2. distribute-lft-neg-in95.9%

                  \[\leadsto \frac{c \cdot \left(\color{blue}{\left(-a \cdot c\right) \cdot {b}^{-2}} - 1\right)}{b} \]
                3. *-commutative95.9%

                  \[\leadsto \frac{c \cdot \left(\left(-\color{blue}{c \cdot a}\right) \cdot {b}^{-2} - 1\right)}{b} \]
                4. distribute-rgt-neg-in95.9%

                  \[\leadsto \frac{c \cdot \left(\color{blue}{\left(c \cdot \left(-a\right)\right)} \cdot {b}^{-2} - 1\right)}{b} \]
              6. Simplified95.9%

                \[\leadsto \frac{c \cdot \left(\color{blue}{\left(c \cdot \left(-a\right)\right) \cdot {b}^{-2}} - 1\right)}{b} \]
              7. Final simplification95.9%

                \[\leadsto \frac{c \cdot \left(-1 - {b}^{-2} \cdot \left(a \cdot c\right)\right)}{b} \]
              8. Add Preprocessing

              Alternative 11: 94.9% accurate, 1.0× speedup?

              \[\begin{array}{l} \\ c \cdot \left(\frac{-1}{b} - a \cdot \frac{c}{{b}^{3}}\right) \end{array} \]
              (FPCore (a b c)
               :precision binary64
               (* c (- (/ -1.0 b) (* a (/ c (pow b 3.0))))))
              double code(double a, double b, double c) {
              	return c * ((-1.0 / b) - (a * (c / pow(b, 3.0))));
              }
              
              real(8) function code(a, b, c)
                  real(8), intent (in) :: a
                  real(8), intent (in) :: b
                  real(8), intent (in) :: c
                  code = c * (((-1.0d0) / b) - (a * (c / (b ** 3.0d0))))
              end function
              
              public static double code(double a, double b, double c) {
              	return c * ((-1.0 / b) - (a * (c / Math.pow(b, 3.0))));
              }
              
              def code(a, b, c):
              	return c * ((-1.0 / b) - (a * (c / math.pow(b, 3.0))))
              
              function code(a, b, c)
              	return Float64(c * Float64(Float64(-1.0 / b) - Float64(a * Float64(c / (b ^ 3.0)))))
              end
              
              function tmp = code(a, b, c)
              	tmp = c * ((-1.0 / b) - (a * (c / (b ^ 3.0))));
              end
              
              code[a_, b_, c_] := N[(c * N[(N[(-1.0 / b), $MachinePrecision] - N[(a * N[(c / N[Power[b, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
              
              \begin{array}{l}
              
              \\
              c \cdot \left(\frac{-1}{b} - a \cdot \frac{c}{{b}^{3}}\right)
              \end{array}
              
              Derivation
              1. Initial program 17.7%

                \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
              2. Step-by-step derivation
                1. *-commutative17.7%

                  \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
              3. Simplified17.7%

                \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
              4. Add Preprocessing
              5. Taylor expanded in b around inf 98.2%

                \[\leadsto \color{blue}{\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} + \left(-1 \cdot c + \left(-1 \cdot \frac{a \cdot {c}^{2}}{{b}^{2}} + -0.25 \cdot \frac{4 \cdot \left({a}^{4} \cdot {c}^{4}\right) + 16 \cdot \left({a}^{4} \cdot {c}^{4}\right)}{a \cdot {b}^{6}}\right)\right)}{b}} \]
              6. Step-by-step derivation
                1. Simplified98.2%

                  \[\leadsto \color{blue}{\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, \left(-a\right) \cdot \frac{{c}^{2}}{{b}^{2}}\right) - c\right)}{b}} \]
                2. Taylor expanded in c around 0 95.5%

                  \[\leadsto \color{blue}{c \cdot \left(-1 \cdot \frac{a \cdot c}{{b}^{3}} - \frac{1}{b}\right)} \]
                3. Step-by-step derivation
                  1. sub-neg95.5%

                    \[\leadsto c \cdot \color{blue}{\left(-1 \cdot \frac{a \cdot c}{{b}^{3}} + \left(-\frac{1}{b}\right)\right)} \]
                  2. mul-1-neg95.5%

                    \[\leadsto c \cdot \left(\color{blue}{\left(-\frac{a \cdot c}{{b}^{3}}\right)} + \left(-\frac{1}{b}\right)\right) \]
                  3. distribute-neg-out95.5%

                    \[\leadsto c \cdot \color{blue}{\left(-\left(\frac{a \cdot c}{{b}^{3}} + \frac{1}{b}\right)\right)} \]
                  4. +-commutative95.5%

                    \[\leadsto c \cdot \left(-\color{blue}{\left(\frac{1}{b} + \frac{a \cdot c}{{b}^{3}}\right)}\right) \]
                  5. distribute-neg-out95.5%

                    \[\leadsto c \cdot \color{blue}{\left(\left(-\frac{1}{b}\right) + \left(-\frac{a \cdot c}{{b}^{3}}\right)\right)} \]
                  6. unsub-neg95.5%

                    \[\leadsto c \cdot \color{blue}{\left(\left(-\frac{1}{b}\right) - \frac{a \cdot c}{{b}^{3}}\right)} \]
                  7. distribute-neg-frac95.5%

                    \[\leadsto c \cdot \left(\color{blue}{\frac{-1}{b}} - \frac{a \cdot c}{{b}^{3}}\right) \]
                  8. metadata-eval95.5%

                    \[\leadsto c \cdot \left(\frac{\color{blue}{-1}}{b} - \frac{a \cdot c}{{b}^{3}}\right) \]
                  9. associate-/l*95.5%

                    \[\leadsto c \cdot \left(\frac{-1}{b} - \color{blue}{a \cdot \frac{c}{{b}^{3}}}\right) \]
                4. Simplified95.5%

                  \[\leadsto \color{blue}{c \cdot \left(\frac{-1}{b} - a \cdot \frac{c}{{b}^{3}}\right)} \]
                5. Add Preprocessing

                Alternative 12: 90.4% accurate, 29.0× speedup?

                \[\begin{array}{l} \\ \frac{c}{-b} \end{array} \]
                (FPCore (a b c) :precision binary64 (/ c (- b)))
                double code(double a, double b, double c) {
                	return c / -b;
                }
                
                real(8) function code(a, b, c)
                    real(8), intent (in) :: a
                    real(8), intent (in) :: b
                    real(8), intent (in) :: c
                    code = c / -b
                end function
                
                public static double code(double a, double b, double c) {
                	return c / -b;
                }
                
                def code(a, b, c):
                	return c / -b
                
                function code(a, b, c)
                	return Float64(c / Float64(-b))
                end
                
                function tmp = code(a, b, c)
                	tmp = c / -b;
                end
                
                code[a_, b_, c_] := N[(c / (-b)), $MachinePrecision]
                
                \begin{array}{l}
                
                \\
                \frac{c}{-b}
                \end{array}
                
                Derivation
                1. Initial program 17.7%

                  \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
                2. Step-by-step derivation
                  1. *-commutative17.7%

                    \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
                3. Simplified17.7%

                  \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
                4. Add Preprocessing
                5. Taylor expanded in b around inf 90.7%

                  \[\leadsto \color{blue}{-1 \cdot \frac{c}{b}} \]
                6. Step-by-step derivation
                  1. associate-*r/90.7%

                    \[\leadsto \color{blue}{\frac{-1 \cdot c}{b}} \]
                  2. mul-1-neg90.7%

                    \[\leadsto \frac{\color{blue}{-c}}{b} \]
                7. Simplified90.7%

                  \[\leadsto \color{blue}{\frac{-c}{b}} \]
                8. Final simplification90.7%

                  \[\leadsto \frac{c}{-b} \]
                9. Add Preprocessing

                Alternative 13: 3.3% accurate, 116.0× speedup?

                \[\begin{array}{l} \\ 0 \end{array} \]
                (FPCore (a b c) :precision binary64 0.0)
                double code(double a, double b, double c) {
                	return 0.0;
                }
                
                real(8) function code(a, b, c)
                    real(8), intent (in) :: a
                    real(8), intent (in) :: b
                    real(8), intent (in) :: c
                    code = 0.0d0
                end function
                
                public static double code(double a, double b, double c) {
                	return 0.0;
                }
                
                def code(a, b, c):
                	return 0.0
                
                function code(a, b, c)
                	return 0.0
                end
                
                function tmp = code(a, b, c)
                	tmp = 0.0;
                end
                
                code[a_, b_, c_] := 0.0
                
                \begin{array}{l}
                
                \\
                0
                \end{array}
                
                Derivation
                1. Initial program 17.7%

                  \[\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a} \]
                2. Step-by-step derivation
                  1. *-commutative17.7%

                    \[\leadsto \frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{\color{blue}{a \cdot 2}} \]
                3. Simplified17.7%

                  \[\leadsto \color{blue}{\frac{\sqrt{\mathsf{fma}\left(b, b, c \cdot \left(a \cdot -4\right)\right)} - b}{a \cdot 2}} \]
                4. Add Preprocessing
                5. Taylor expanded in b around inf 90.7%

                  \[\leadsto \color{blue}{-1 \cdot \frac{c}{b}} \]
                6. Step-by-step derivation
                  1. associate-*r/90.7%

                    \[\leadsto \color{blue}{\frac{-1 \cdot c}{b}} \]
                  2. mul-1-neg90.7%

                    \[\leadsto \frac{\color{blue}{-c}}{b} \]
                7. Simplified90.7%

                  \[\leadsto \color{blue}{\frac{-c}{b}} \]
                8. Step-by-step derivation
                  1. distribute-frac-neg90.7%

                    \[\leadsto \color{blue}{-\frac{c}{b}} \]
                  2. mul-1-neg90.7%

                    \[\leadsto \color{blue}{-1 \cdot \frac{c}{b}} \]
                  3. expm1-log1p-u80.0%

                    \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(-1 \cdot \frac{c}{b}\right)\right)} \]
                  4. expm1-undefine19.7%

                    \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(-1 \cdot \frac{c}{b}\right)} - 1} \]
                  5. mul-1-neg19.7%

                    \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{-\frac{c}{b}}\right)} - 1 \]
                  6. distribute-frac-neg19.7%

                    \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{\frac{-c}{b}}\right)} - 1 \]
                9. Applied egg-rr19.7%

                  \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{-c}{b}\right)} - 1} \]
                10. Step-by-step derivation
                  1. sub-neg19.7%

                    \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\frac{-c}{b}\right)} + \left(-1\right)} \]
                  2. log1p-undefine19.7%

                    \[\leadsto e^{\color{blue}{\log \left(1 + \frac{-c}{b}\right)}} + \left(-1\right) \]
                  3. rem-exp-log30.4%

                    \[\leadsto \color{blue}{\left(1 + \frac{-c}{b}\right)} + \left(-1\right) \]
                  4. distribute-frac-neg30.4%

                    \[\leadsto \left(1 + \color{blue}{\left(-\frac{c}{b}\right)}\right) + \left(-1\right) \]
                  5. unsub-neg30.4%

                    \[\leadsto \color{blue}{\left(1 - \frac{c}{b}\right)} + \left(-1\right) \]
                  6. metadata-eval30.4%

                    \[\leadsto \left(1 - \frac{c}{b}\right) + \color{blue}{-1} \]
                11. Simplified30.4%

                  \[\leadsto \color{blue}{\left(1 - \frac{c}{b}\right) + -1} \]
                12. Taylor expanded in c around 0 3.3%

                  \[\leadsto \color{blue}{1} + -1 \]
                13. Final simplification3.3%

                  \[\leadsto 0 \]
                14. Add Preprocessing

                Reproduce

                ?
                herbie shell --seed 2024156 
                (FPCore (a b c)
                  :name "Quadratic roots, wide range"
                  :precision binary64
                  :pre (and (and (and (< 4.930380657631324e-32 a) (< a 2.028240960365167e+31)) (and (< 4.930380657631324e-32 b) (< b 2.028240960365167e+31))) (and (< 4.930380657631324e-32 c) (< c 2.028240960365167e+31)))
                  (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))