Average Error: 0 → 0
Time: 272.0ms
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 r222987 = x;
        double r222988 = r222987 + r222987;
        double r222989 = 1.0;
        double r222990 = r222988 - r222989;
        return r222990;
}
↓
double f(double x) {
        double r222991 = x;
        double r222992 = r222991 + r222991;
        double r222993 = 1.0;
        double r222994 = r222992 - r222993;
        return r222994;
}

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 2020036 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))