Average Error: 29.7 → 0
Time: 714.0ms
Precision: 64
\[\left(1 + x\right) - x\]
↓
\[1\]
double f(double x) {
        double r8081 = 1.0;
        double r8082 = x;
        double r8083 = r8081 + r8082;
        double r8084 = r8083 - r8082;
        return r8084;
}
↓
double f(double __attribute__((unused)) x) {
        double r8085 = 1.0;
        return r8085;
}


\left(1 + x\right) - x
↓
1

Error

Bits error versus x

Derivation

  1. Initial program 29.7

    \[\left(1 + x\right) - x\]

  2. Simplified0

    \[\leadsto \color{blue}{1}\]

  3. Final simplification0

    \[\leadsto 1\]

Reproduce

herbie shell --seed 2019102 
(FPCore (x)
  :name "Cancel like terms"
  (- (+ 1 x) x))