Average Error: 0.0 → 0.0
Time: 6.2s
Precision: 64
\[2 \cdot \left(x \cdot x - x \cdot y\right)\]
\[\left(2 \cdot x\right) \cdot \left(x - y\right)\]
2 \cdot \left(x \cdot x - x \cdot y\right)
\left(2 \cdot x\right) \cdot \left(x - y\right)
double f(double x, double y) {
        double r636486 = 2.0;
        double r636487 = x;
        double r636488 = r636487 * r636487;
        double r636489 = y;
        double r636490 = r636487 * r636489;
        double r636491 = r636488 - r636490;
        double r636492 = r636486 * r636491;
        return r636492;
}

double f(double x, double y) {
        double r636493 = 2.0;
        double r636494 = x;
        double r636495 = r636493 * r636494;
        double r636496 = y;
        double r636497 = r636494 - r636496;
        double r636498 = r636495 * r636497;
        return r636498;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.0
Target0.0
Herbie0.0
\[\left(x \cdot 2\right) \cdot \left(x - y\right)\]

Derivation

  1. Initial program 0.0

    \[2 \cdot \left(x \cdot x - x \cdot y\right)\]
  2. Using strategy rm
  3. Applied distribute-lft-out--0.0

    \[\leadsto 2 \cdot \color{blue}{\left(x \cdot \left(x - y\right)\right)}\]
  4. Applied associate-*r*0.0

    \[\leadsto \color{blue}{\left(2 \cdot x\right) \cdot \left(x - y\right)}\]
  5. Final simplification0.0

    \[\leadsto \left(2 \cdot x\right) \cdot \left(x - y\right)\]

Reproduce

herbie shell --seed 2020046 
(FPCore (x y)
  :name "Linear.Matrix:fromQuaternion from linear-1.19.1.3, A"
  :precision binary64

  :herbie-target
  (* (* x 2) (- x y))

  (* 2 (- (* x x) (* x y))))