Average Error: 0.0 → 0
Time: 3.1s
Precision: 64
\[\left(\left(x + y\right) + z\right) - \left(x + \left(y + z\right)\right)\]
\[0\]
\left(\left(x + y\right) + z\right) - \left(x + \left(y + z\right)\right)
0
double f(double x, double y, double z) {
        double r8079 = x;
        double r8080 = y;
        double r8081 = r8079 + r8080;
        double r8082 = z;
        double r8083 = r8081 + r8082;
        double r8084 = r8080 + r8082;
        double r8085 = r8079 + r8084;
        double r8086 = r8083 - r8085;
        return r8086;
}

double f(double __attribute__((unused)) x, double __attribute__((unused)) y, double __attribute__((unused)) z) {
        double r8087 = 0.0;
        return r8087;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\left(\left(x + y\right) + z\right) - \left(x + \left(y + z\right)\right)\]
  2. Simplified0

    \[\leadsto \color{blue}{0}\]
  3. Final simplification0

    \[\leadsto 0\]

Reproduce

herbie shell --seed 2019120 +o rules:numerics
(FPCore (x y z)
  :name "Commute and associate"
  (- (+ (+ x y) z) (+ x (+ y z))))