Average Error: 0.0 → 0.0
Time: 1.7s
Precision: 64
\[\left(x + y\right) \cdot \left(x + y\right)\]
↓
\[x \cdot \left(\left(x + y\right) + y\right) + y \cdot y\]
\left(x + y\right) \cdot \left(x + y\right)
↓
x \cdot \left(\left(x + y\right) + y\right) + y \cdot y
double f(double x, double y) {
        double r874353 = x;
        double r874354 = y;
        double r874355 = r874353 + r874354;
        double r874356 = r874355 * r874355;
        return r874356;
}
↓
double f(double x, double y) {
        double r874357 = x;
        double r874358 = y;
        double r874359 = r874357 + r874358;
        double r874360 = r874359 + r874358;
        double r874361 = r874357 * r874360;
        double r874362 = r874358 * r874358;
        double r874363 = r874361 + r874362;
        return r874363;
}

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
\[x \cdot x + \left(y \cdot y + 2 \cdot \left(y \cdot x\right)\right)\]

Derivation

  1. Initial program 0.0

    \[\left(x + y\right) \cdot \left(x + y\right)\]
  2. Using strategy rm

  3. Applied distribute-lft-in0.0

    \[\leadsto \color{blue}{\left(x + y\right) \cdot x + \left(x + y\right) \cdot y}\]

  4. Simplified0.0

    \[\leadsto \color{blue}{x \cdot \left(x + y\right)} + \left(x + y\right) \cdot y\]

  5. Simplified0.0

    \[\leadsto x \cdot \left(x + y\right) + \color{blue}{y \cdot \left(x + y\right)}\]
  6. Using strategy rm

  7. Applied distribute-lft-in0.0

    \[\leadsto x \cdot \left(x + y\right) + \color{blue}{\left(y \cdot x + y \cdot y\right)}\]

  8. Applied associate-+r+0.0

    \[\leadsto \color{blue}{\left(x \cdot \left(x + y\right) + y \cdot x\right) + y \cdot y}\]

  9. Simplified0.0

    \[\leadsto \color{blue}{x \cdot \left(\left(x + y\right) + y\right)} + y \cdot y\]

  10. Final simplification0.0

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

Reproduce

herbie shell --seed 2020034 
(FPCore (x y)
  :name "Examples.Basics.BasicTests:f3 from sbv-4.4"
  :precision binary64

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

  (* (+ x y) (+ x y)))