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

↓

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

\left(x + y\right) \cdot z

↓

\left(y + x\right) \cdot z

double f(double x, double y, double z) {
        double r585359 = x;
        double r585360 = y;
        double r585361 = r585359 + r585360;
        double r585362 = z;
        double r585363 = r585361 * r585362;
        return r585363;
}

↓

double f(double x, double y, double z) {
        double r585364 = y;
        double r585365 = x;
        double r585366 = r585364 + r585365;
        double r585367 = z;
        double r585368 = r585366 * r585367;
        return r585368;
}

Error

The X axis uses an exponential scale — Bits error versus `x`

Try it out

In
Out

Enter valid numbers for all inputs

Derivation

Initial program 0.0
\[\left(x + y\right) \cdot z\]
Final simplification0.0
\[\leadsto \left(y + x\right) \cdot z\]

Reproduce

herbie shell --seed 2019170 
(FPCore (x y z)
  :name "Text.Parsec.Token:makeTokenParser from parsec-3.1.9, B"
  (* (+ x y) z))