Average Error: 0 → 0
Time: 265.0ms
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 r225665 = x;
        double r225666 = r225665 + r225665;
        double r225667 = 1.0;
        double r225668 = r225666 - r225667;
        return r225668;
}
↓
double f(double x) {
        double r225669 = x;
        double r225670 = r225669 + r225669;
        double r225671 = 1.0;
        double r225672 = r225670 - r225671;
        return r225672;
}

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 2020060 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))