Average Error: 0 → 0
Time: 655.0ms
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 r136665 = x;
        double r136666 = r136665 + r136665;
        double r136667 = 1.0;
        double r136668 = r136666 - r136667;
        return r136668;
}
↓
double f(double x) {
        double r136669 = x;
        double r136670 = r136669 + r136669;
        double r136671 = 1.0;
        double r136672 = r136670 - r136671;
        return r136672;
}

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))