Average Error: 0 → 0
Time: 628.0ms
Precision: 64
\[\left(x + x\right) - 1\]
↓
\[\left(x + x\right) - 1\]
\left(x + x\right) - 1
↓
\left(x + x\right) - 1
double f(double x) {
        double r168650 = x;
        double r168651 = r168650 + r168650;
        double r168652 = 1.0;
        double r168653 = r168651 - r168652;
        return r168653;
}
↓
double f(double x) {
        double r168654 = x;
        double r168655 = r168654 + r168654;
        double r168656 = 1.0;
        double r168657 = r168655 - r168656;
        return r168657;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

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

  2. Final simplification0

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

Reproduce

herbie shell --seed 2019323 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))