Average Error: 0.1 → 0.1
Time: 6.5m
Precision: 64
\[\left(x \cdot y + z\right) \cdot y + t\]
↓
\[\left(x \cdot y + z\right) \cdot y + t\]
\left(x \cdot y + z\right) \cdot y + t
↓
\left(x \cdot y + z\right) \cdot y + t
double f(double x, double y, double z, double t) {
        double r236576590 = x;
        double r236576591 = y;
        double r236576592 = r236576590 * r236576591;
        double r236576593 = z;
        double r236576594 = r236576592 + r236576593;
        double r236576595 = r236576594 * r236576591;
        double r236576596 = t;
        double r236576597 = r236576595 + r236576596;
        return r236576597;
}
↓
double f(double x, double y, double z, double t) {
        double r236576598 = x;
        double r236576599 = y;
        double r236576600 = r236576598 * r236576599;
        double r236576601 = z;
        double r236576602 = r236576600 + r236576601;
        double r236576603 = r236576602 * r236576599;
        double r236576604 = t;
        double r236576605 = r236576603 + r236576604;
        return r236576605;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Bits error versus t

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.1

    \[\left(x \cdot y + z\right) \cdot y + t\]

  2. Final simplification0.1

    \[\leadsto \left(x \cdot y + z\right) \cdot y + t\]

Reproduce

herbie shell --seed 2019173 
(FPCore (x y z t)
  :name "Language.Haskell.HsColour.ColourHighlight:unbase from hscolour-1.23"
  (+ (* (+ (* x y) z) y) t))