Average Error: 0 → 0
Time: 260.0ms
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 r170831 = x;
        double r170832 = r170831 + r170831;
        double r170833 = 1.0;
        double r170834 = r170832 - r170833;
        return r170834;
}
↓
double f(double x) {
        double r170835 = x;
        double r170836 = r170835 + r170835;
        double r170837 = 1.0;
        double r170838 = r170836 - r170837;
        return r170838;
}

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 2020056 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))