Average Error: 0 → 0
Time: 258.0ms
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 r226990 = x;
        double r226991 = r226990 + r226990;
        double r226992 = 1.0;
        double r226993 = r226991 - r226992;
        return r226993;
}
↓
double f(double x) {
        double r226994 = x;
        double r226995 = r226994 + r226994;
        double r226996 = 1.0;
        double r226997 = r226995 - r226996;
        return r226997;
}

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 2020064 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))