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

↓

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

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

↓

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

double f(double x, double y, double z) {
        double r1024190 = x;
        double r1024191 = y;
        double r1024192 = r1024190 + r1024191;
        double r1024193 = z;
        double r1024194 = r1024192 * r1024193;
        return r1024194;
}

↓

double f(double x, double y, double z) {
        double r1024195 = y;
        double r1024196 = x;
        double r1024197 = r1024195 + r1024196;
        double r1024198 = z;
        double r1024199 = r1024197 * r1024198;
        return r1024199;
}

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 2019162 +o rules:numerics
(FPCore (x y z)
  :name "Text.Parsec.Token:makeTokenParser from parsec-3.1.9, B"
  (* (+ x y) z))