Average Error: 0.1 → 0.2
Time: 3.6s
Precision: 64
\[x \cdot \frac{\sin y}{y}\]
\[\frac{x}{\frac{y}{\sin y}}\]
x \cdot \frac{\sin y}{y}
\frac{x}{\frac{y}{\sin y}}
double f(double x, double y) {
        double r149075 = x;
        double r149076 = y;
        double r149077 = sin(r149076);
        double r149078 = r149077 / r149076;
        double r149079 = r149075 * r149078;
        return r149079;
}

double f(double x, double y) {
        double r149080 = x;
        double r149081 = y;
        double r149082 = sin(r149081);
        double r149083 = r149081 / r149082;
        double r149084 = r149080 / r149083;
        return r149084;
}

Error

Bits error versus x

Bits error versus y

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.1

    \[x \cdot \frac{\sin y}{y}\]
  2. Using strategy rm
  3. Applied clear-num0.2

    \[\leadsto x \cdot \color{blue}{\frac{1}{\frac{y}{\sin y}}}\]
  4. Using strategy rm
  5. Applied *-un-lft-identity0.2

    \[\leadsto \color{blue}{\left(1 \cdot x\right)} \cdot \frac{1}{\frac{y}{\sin y}}\]
  6. Applied associate-*l*0.2

    \[\leadsto \color{blue}{1 \cdot \left(x \cdot \frac{1}{\frac{y}{\sin y}}\right)}\]
  7. Simplified0.2

    \[\leadsto 1 \cdot \color{blue}{\frac{x}{\frac{y}{\sin y}}}\]
  8. Final simplification0.2

    \[\leadsto \frac{x}{\frac{y}{\sin y}}\]

Reproduce

herbie shell --seed 2020034 
(FPCore (x y)
  :name "Linear.Quaternion:$cexp from linear-1.19.1.3"
  :precision binary64
  (* x (/ (sin y) y)))