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 r119592 = x;
        double r119593 = r119592 + r119592;
        double r119594 = 1.0;
        double r119595 = r119593 - r119594;
        return r119595;
}
↓
double f(double x) {
        double r119596 = x;
        double r119597 = r119596 + r119596;
        double r119598 = 1.0;
        double r119599 = r119597 - r119598;
        return r119599;
}

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 2019306 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))